Class / Patent application number | Description | Number of patent applications / Date published |
320164000 | Detection of current and voltage amplitude | 40 |
20080258691 | OVER VOLTAGE AND OVER CURRENT PROTECTION INTEGRATED CIRCUIT - An integrated circuit is disclosed including a primary input for receiving an input voltage, a battery voltage input for receiving a battery voltage signal and an output for providing an output voltage higher than the battery voltage. First circuitry responsive to the input voltage is provided for turning off the output voltage responsive to an input over voltage condition. Second circuitry responsive to the battery voltage signal is provided for turning off the output voltage responsive to a battery over voltage condition. Third circuitry provides for over current protection. | 10-23-2008 |
20080284383 | Charge Detector - The subject matter of this specification can be embodied in, among other things, an apparatus that includes a battery system, which includes at least one cell and a charge enable device to couple the at least one cell to a charging voltage. The apparatus also includes an excessive voltage detector to output a signal to control the charge enable device. The signal prevents charging of the at least one cell if an excessive charging voltage is detected based on an activation of a clamping component. | 11-20-2008 |
20080309294 | PORTABLE TELECOMMUNICATIONS DEVICE - A portable telecommunications device comprises a charging interface for connection to an external power supply, a voltage and current ratio converter configured to convert an input voltage at the charging interface into an output voltage for charging a battery; and a controller configured to control the converter. | 12-18-2008 |
20080315846 | BATTERY PACK, BATTERY CHARGER AND CHARGING METHOD - A battery pack, a battery charger, a method for charging a battery pack are provided. The battery pack includes a secondary battery, a switch element for controlling charging and discharging the secondary battery, a controller for controlling the switch element, and a communication unit for performing with a battery charger. During charging, an initial charging is switched to a quick charging when a voltage of the secondary battery reaches a predetermined voltage, and the battery charger judges the battery pack as abnormal when the voltage does not reach the predetermined voltage within a timeout period after the initial charging is started. At least one of the timeout period and the predetermined is stored. At least one of the timeout period and the predetermined voltage to be read out is transmitted through the communication unit to the battery charger. | 12-25-2008 |
20090021223 | BATTERY CHARGER FOR PREVENTING BOTH OVERSHOOT CHARGING CURRENT AND OVERCHARGED BATTERY VOLTAGE DURING CHARGING MODE TRANSITION - A battery charger for charging a battery through controlling a charging regulation circuit is provided. The battery charger includes a current sensing unit and an operational amplifier. The current sensing unit monitors a charging current applied to the battery when the battery charger operates under a constant current mode, thereby generating a first regulation signal to the charging regulation circuit. The operational amplifier compares a battery voltage of the battery with a first reference voltage to generate a comparison result. When the battery charger operates under the constant current mode, the comparison result controls a charging mode transition from the constant current mode to a constant voltage mode. When the battery charger operates under the constant voltage mode, the comparison result acts as a second regulation signal to control the charging regulation circuit. | 01-22-2009 |
20090033293 | VOLTAGE CONVERTER WITH COMBINED CAPACITIVE VOLTAGE DIVIDER, BUCK CONVERTER AND BATTERY CHARGER - A voltage converter including a capacitive voltage divider combined with a buck converter and battery charger. The converter includes four capacitors, a switch circuit, an inductor and a controller. The capacitors form a capacitor loop between an input node and a reference node and include a fly capacitor controlled by the switch circuit, which is controlled by a PWM signal to half the input voltage to provide a first output voltage on a first output node, and to convert the first output voltage to the second output voltage via the inductor. The controller controls the PWM signal to regulate the second output voltage, and provides a voltage control signal to control the input voltage to maintain the first output node between a predetermined minimum and maximum battery voltage levels. A battery charge path is coupled to the reference node and battery charge mode depends upon the battery voltage. | 02-05-2009 |
20090051329 | METHOD AND CHARGE-UP CIRCUIT CAPABLE OF ADJUSTING CHARGE-UP CURRENT - A charge-up circuit includes a charge-up transistor configured to supply a charge-up current to a secondary battery in accordance with a control signal, a detection resistor connected in series with the charge-up transistor to detect the charge-up current, a current-to-voltage conversion circuit configured to generate and output a monitor voltage in accordance with the charge-up current based on each voltage at both end terminals of the detection resistor, a reference voltage generator configured to generate a predetermined reference voltage and including a voltage adjusting mechanism to generate the reference voltage from the constant voltage so that the charge-up current becomes a desired current, and a charge-up current control circuit configured to control the charge-up transistor so that the monitor voltage becomes the reference voltage. | 02-26-2009 |
20090072796 | USB Charger Circuit - A USB charger circuit includes at least a converter, a control circuitry, a first resistor, a second resistor, an error amplifier, a sense resistor and a diode. The converter has a transistor. The control circuitry is coupled to the transistor. The control circuitry is used for producing a drive signal to the transistor. The first resistor is connected between the output node of the converter and a first node. The second resistor is connected between the first node and a second node. The error amplifier is coupled to receive a voltage divided by the first resistor and the second resistor to compare to a reference voltage. The sense resistor is connected between the second node and ground. The diode is connected between the output node of the converter and a first node. | 03-19-2009 |
20090160408 | BATTERY CHARGING DEVICE, THREE-PHASE VOLTAGE GENERATING CIRCUIT, THREE-PHASE VOLTAGE GENERATION METHOD AND DELAY ANGLE CONTROL METHOD - In the battery charging device of the present invention, a U, V, W phase voltage generating circuit detects a voltage signal of a U phase sub-coil of a three-phase alternating current generator, and generates a signal of a triangular wave that is in synchronization with the U phase. Moreover, a first triangular wave is generated in synchronization with a phase from 0° to 180° of the U phase rectangular wave, and a second triangular wave is generated in synchronization with a phase from 180° to 360° of the U phase. In addition, a V phase rectangular wave is generated in which the level is inverted at a voltage point of two thirds the peak voltage of the first triangular wave, and in which the level is inverted at a voltage point of two thirds the peak voltage of the second triangular wave, and a W phase rectangular wave is generated in which the level is inverted at a voltage point of one third the peak voltage of the first triangular wave, and in which the level is inverted at a voltage point of one third the peak voltage of the second triangular wave. | 06-25-2009 |
20090256530 | BATTERY CHARGING CONTROL CIRCUIT - The present invention provides a charging control circuit for a rechargeable battery. The charging control circuit includes: a constant-current charging unit and a trickle charging unit. The charging control circuit further includes a branch switch, a detection switch, a control unit, and a detection unit. The branch switch is connected between a power source and the rechargeable battery for enabling or disabling the constant-current charging unit, the detection switch is turned on or off depending on the enable or disable state of the constant-current charging unit. The control unit is connected between the detection switch and the branch switch for controlling the branch switch to turn on or off depending on the off or on state of the detection switch. | 10-15-2009 |
20090302805 | CHARGE-CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT - Disclosed is a charge-controlling semiconductor integrated circuit including: a current-controlling MOS transistor; a current detection circuit including a 1/N size current-detecting MOS transistor; and a gate voltage control circuit, wherein the current detection circuit includes an operational amplifier circuit, a bias condition of the current-detecting MOS transistor becomes same as the current-controlling MOS transistor based on an operational amplifier circuit output, voltage drops in lines from drain electrode to a corresponding input point of the operational amplifier circuit become the same by a parasitic resistance, and when the output of the operational amplifier circuit is applied to a control terminal of the bias condition controlling transistor, the drain voltages become the same potential, and the line from the drain electrode of the current-detecting MOS transistor to the input point is formed to be redundantly arranged inside the chip so that a parasitic resistance becomes a predetermined value. | 12-10-2009 |
20100090662 | CHARGER SYSTEM FOR RECHARGEABLE LITHIUM BATTERIES UTILIZING POWER SUPPLY TERMINAL AS INITIAL CHARGING MEANS, AND COMPLETING CHARGING VIA INTERNAL CONSTANT-VOLTAGE CHARGER - The present invention discloses a charger system for rechargeable lithium batteries, which comprises a power supply terminal, a first switch device, a second switch device, a charging unit, a DC/DC converter, and a controller. The power supply terminal provides power with two ends thereof respectively coupled to the first switch device and a protection circuit. The first switch device is coupled to the second switch device. The first switch device and the second switch device are respectively coupled to the protection circuit. The charging unit is coupled to the protection circuit and the second switch device and has a plurality of charging bays. The charging bays respectively receive lithium batteries and are respectively parallel coupled to constant-voltage chargers to charge the lithium batteries. The DC/DC converter is coupled to the constant-voltage chargers. The controller is coupled to the DC/DC converter, the charging unit and the protection circuit respectively. | 04-15-2010 |
20100231179 | POWER MANAGEMENT CIRCUIT TO MANAGE DISTRIBUTION OF RECEIVED POWER AND A PORTABLE APPARATUS HAVING THE SAME - A portable apparatus includes a system configured to receive a system current and perform a function, a charging battery configured to be charged with a charging battery current and supply power to the system, and a power management circuit configured to receive an externally supplied power, supply the system current to the system, and supply the charging battery current to the charging battery based on a sensed level of the system current, wherein the charging battery current decreases in proportion to the system current. | 09-16-2010 |
20100253293 | SWITCH EMBEDDED INTEGRATED CIRCUIT AND METHOD FOR BATTERY PROTECTION - A switch embedded integrated circuit for battery protection includes a first pin to be connected with one terminal of a battery, a second pin to be connected with a load or charger, a third pin to be connected with another terminal of the battery, a MOSFET having a body diode thereof and connected between the first and second pins, a control logic circuit and a detection circuit. The detection circuit monitors the voltage between the first pin and the third pin to determine a detection signal for the control logic circuit to turn on or off the MOSFET and switch the direction of the body diode, thereby providing an over charging and an over discharging protection functions. | 10-07-2010 |
20100308777 | CIRCUIT AND METHOD OF OPERATION FOR AN ELECTRICAL POWER SUPPLY - A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power. | 12-09-2010 |
20110175578 | Power Management Unit For A Wireless Device - A method and apparatus is disclosed to restore or recharge one or more cells of a battery. A switching module sources an element charging current from a first input voltage to the battery when a charging control signal is at a first logical level or sinks an element discharging current from the battery to a second input voltage when the charging control signal is at a second logical level. A controller module provides the charging control signal based upon a comparison of a reference voltage and a control voltage pulse, the control voltage pulse being generated by the controller module in response to a replica current, the replica current being proportional to the element charging current. A feedback module compares a voltage of the battery to a reference voltage to provide a charging error signal. A reference voltage generator module provides the reference voltage in response to the charging error signal, the reference voltage being proportional to a constant current and a duty-cycle of the switching charger when the charging error signal indicates a first mode of operation or a scaled representation of the constant current when the charging error signal indicates a second mode of operation. | 07-21-2011 |
20110210704 | MULTIPLE BAY BATTERY CHARGERS AND CIRCUITRY - A multi-bay battery charger comprises a power supply ( | 09-01-2011 |
20110234175 | PEDAL GENERATOR ASSEMBLY - A generator assembly for converting human generated mechanical energy into electrical power for charging at least one rechargeable device is provided herein. The generator assembly generally includes a housing, a primary gear supported within the housing, an input mechanism mounted to the primary gear for receiving the human generated mechanical energy, an alternator for converting the mechanical energy converting the mechanical energy into electrical power, and a charging mechanism mounted to the housing with the charging mechanism directly connected to the alternator, where the charging mechanism has at least one rechargeable interface for transferring the electrical power to the rechargeable device. A method of charging at least one rechargeable device with a generator assembly and a method of authorizing use of a generator assembly are also provided. | 09-29-2011 |
20110279095 | UNIVERSAL SERIAL BUS DEVICE AND RELATED METHOD - A universal serial bus device includes: a core circuit having a first pin and a second pin, and having an input impedance looking into the core circuit from the first pin and the second pin; and a charging control circuit, coupled to the core circuit, arranged for selectively providing a voltage source to one of the first pin and the second pin; wherein the input impedance of the core circuit is configured to make the voltage source substantially intact when the voltage source is coupled to one of the first pin and the second pin. | 11-17-2011 |
20110316488 | Circuit Arrangement for the Energy Supply of a Battery and Associated Method - A circuit arrangement for supplying energy, comprising: a first input adapted to receive a first voltage from a first terminal of a control component, a second input adapted to receive a second voltage from a second terminal of the control component, a first output adapted to receive output a control signal to a control terminal of the control component for controlling an energy supply of an electrical load; and a power determining arrangement, comprising a switched-capacitor arrangement having an input coupled to the first and the second input of the circuit arrangement and an output coupled to the first output of the circuit arrangement. | 12-29-2011 |
20120105015 | Battery Pack Overcharge Protection System - An overcharge protection device (OPD) is provided that may be used alone, or in combination with conventional charging protection systems, to protect a battery pack from the occurrence of a potentially damaging overcharging event. The OPD is designed to be coupled to, and interposed between, the terminals of the battery pack. During normal system operation, the OPD has no effect on the operation of the charging system or the battery pack. During an overcharging event, if overcharging is not prevented by another conventional system, the OPD of the invention creates a short across the terminals of the battery pack causing a battery pack fuse designed to provide battery pack short circuit protection to blow, thereby interrupting the current path from the charger to the battery pack and preventing the battery pack from being overcharged. | 05-03-2012 |
20120133340 | CHARGING CONTROL CIRCUIT - A charging control apparatus controls charging of a battery connected to a battery terminal and supplies a voltage and a current necessary for a system circuit through an output terminal. The charging control apparatus has a switching control circuit that controls a DC-DC converter, the DC-DC converter performing DC-DC conversion with respect to an input voltage input through an input terminal and outputting an obtained output voltage to the output terminal. The charging control apparatus has an output voltage detection circuit that detects the output voltage. The charging control apparatus has a battery voltage detection circuit that detects a battery voltage of the battery terminal. The charging control apparatus has a first switch MOS transistor connected between the output terminal and the battery terminal. The charging control apparatus has a voltage control circuit that controls an operation of the first switch MOS transistor according to the battery voltage. | 05-31-2012 |
20120146591 | CHARGING CIRCUIT AND CHARGING METHOD EMPLOYING THE SAME - A charging circuit includes a transistor, a current regulating resistor, a field effect transistor (FET) and a main controller. The transistor includes an emitter, a base and a collector, the FET includes a source, a gate and a drain. The emitter is connected to the battery charger; the drain is connected to the battery. The main controller includes a current control unit, a charge control unit and a voltage detection unit. The current control unit transmits current signals to the base of the transistor to turn on the transistor and regulate the current values of the collector, the voltage detection unit detects the voltage of the battery and controls the charge control unit according to detection result, and the charge control unit sends a command signal to the gate to switch the FET on or off. | 06-14-2012 |
20120212189 | SYSTEM AND METHOD FOR ELECTRONIC DEVICE CHARGING - An electronic device which is able to be charged via a universal serial bus (USB) interface which connects to a computer. A first voltage of a battery of the electronic device, a second voltage and an electric current of the USB interface are determined. If a difference between the first voltage and a saturation voltage of the battery is greater than a predefined value, the electronic device is charged with a first electric current. If the second voltage is not lower than a threshold voltage and the electric current of the USB interface is not lower than the electrical energy consumption of the electronic device, the first electric current is decreased. | 08-23-2012 |
20120223682 | System and Method of Charging a Battery Using a Switching Regulator - In one embodiment the present invention includes a system and method of charging a battery using a switching regulator. In one embodiment, a switching regulator receives an input voltage and input current. The output of the switching regulator is coupled to a battery to be charged. The switching regulator provides a current into the battery that is larger than the current into the switching regulator. As the voltage on the battery increases, the current provided by the switching regulator is reduced. The present invention may be implemented using either analog or digital techniques for reducing the current into the battery as the battery voltage increases. | 09-06-2012 |
20120249086 | STATE OF CHARGE DETERMINATION SYSTEMS AND METHODS - In one embodiment, a method implemented by a processor, comprising receiving voltage values corresponding to a battery system, receiving charge values corresponding to charge flowing through the battery system, and determining a state of charge based on specified anchoring points of a charge integration, the anchoring points based on the received voltage and time. | 10-04-2012 |
20120249087 | BATTERY PROTECTION CIRCUIT, BATTERY PROTECTION DEVICE, AND BATTERY PACK - A battery protection circuit for protecting a secondary battery composed of a first cell and a second cell, includes a reference voltage supply circuit that outputs a first reference voltage and a second reference voltage generated based on cell voltages of the first cell and the second cell, respectively; a first detection circuit that outputs a signal prohibiting charging when at least one of the cell voltages of the first cell and the second cell exceeds a predetermined overcharge indication value; a second detection circuit that outputs a signal prohibiting charging when at least one of the first reference voltage and the second reference voltage is not within a predetermined target range; and a control circuit that controls to prohibit charging when at least one of the outputs from the first detection circuit and the second detection circuit is the signal prohibiting charging. | 10-04-2012 |
20120249088 | POWER STORAGE DEVICE, POWER STORAGE METHOD, AND PROGRAM - A power storage device including: a secondary battery; an acquisition unit that acquires charging period information for charging the secondary battery; and a charge control unit that calculates a charging power on the basis of the charging period information and controls charging power used for charging the secondary battery so that of the charging power is equal to the calculated charging power. | 10-04-2012 |
20130049705 | REGULATOR, BATTERY CHARGING APPARATUS AND BATTERY CHARGING SYSTEM - A regulator comprises a rectifying circuit that rectifies an alternating current output from an output terminal of each phase of the three-phase alternating-current generator “ | 02-28-2013 |
20130082665 | Charger Calibrating Device and Calibrating Method Thereof - A charger calibrating device and a calibrating method thereof. The device comprises a control module and a processing module. The control module controls a charger to be calibrated to perform a first stage charging and a second stage charging on an electronic device. The processing module performs an adjusting process according to the second stage charging time for adjusting the high level period of the PWM signal in the charging circuit of the charger. In the adjusting process, generating an updated high level period by adding or decreasing a preset adjusting amplitude, and decrease the preset adjusting amplitude by half to generate an updated adjusting amplitude. The processing module terminates the calibrating process after repeating the aforementioned calibrating loop a preset number of times. | 04-04-2013 |
20130099758 | APPARATUS AND METHOD FOR CONTROLLING CHARGE CURRENT IN PORTABLE TERMINAL - An apparatus and method enable a charging power supply for a battery charge in a portable terminal regardless of the charge capacity of a charge cable for an external power supply. The apparatus for controlling a charge current in the portable terminal includes a detector for detecting power supplied to a battery and a charge capacity of a charge cable when the charge cable is connected to supply external power, and a charge integrated circuit (IC) for resetting a charge capacity of the portable terminal according to the capacity of the charge cable and controlling the power supplied to the battery according to an operation of the detector, when the charge capacity of the charge cable detected by the detector is not equal to the charge capacity of the portable terminal. | 04-25-2013 |
20130154578 | CHARGE CIRCUIT, AND BATTERY-CHARGER ASSEMBLAGE WITH THE CHARGE CIRCUIT - A charge circuit is composed of a first circuit and a second circuit. Said second circuit is provided at a battery pack in which a secondary battery is comprised. Said first circuit is provided at a charger for charging said secondary battery. Said charge circuit comprises: an output power supply section; a control section configured to control said output power supply section to perform a charging operation; a memory provided at said second circuit and storing a number of charging; and a threshold current setting section. Said control section is configured to, in said charging operation, perform firstly a constant current charging operation, and then perform a constant voltage charging operation, and finish the charging operation when a charging current reaches a charge stop current value. Said threshold current setting section is configured to decrease said charge stop current value along with the increase of said number of charging. | 06-20-2013 |
20130234677 | Battery Charger Voltage Control Method For Instant Boot-Up - A battery charger voltage control method dynamically adjusts the system voltage generated by a battery charger circuit based on the operating conditions to ensure that sufficient power is supplied to power up the circuitry of the electronic device when the battery charger circuit is connected to a current-limited power source and the battery of the electronic device is deeply depleted or is missing. In embodiments of the present invention, the battery charger voltage control method sets the system voltage to an elevated voltage value to maximize the energy transfer from the power source to the circuitry of the electronic device. In this manner, the battery charger voltage control method enables a near instant boot-up of the electronic device, even under the operating conditions where the battery of the electronic device is deeply depleted or missing and the switching battery charger circuit can only receive power from a current-limited power source. | 09-12-2013 |
20140152270 | CURRENT COMPENSATION MODULE, CHARGING APPARATUS, AND CHARGING APPARATUS CONTROLLING METHOD - A current compensation module, a charging apparatus, and a charging apparatus controlling method are disclosed. The current compensation module is used for controlling an outputted charging current in order to charge a battery module. The current compensation module includes a transition unit, a proportional controlling unit, and an integral controlling unit. The transition unit allows an internal signal of the current compensation module increasing from a first voltage. When the internal signal attains to a second voltage, the proportional controlling unit will output a proportional controlling signal to adjust the charging current. When the charging current attains to a rated output current, the integral controlling unit incorporates with the proportional controlling unit to output a proportional-integral controlling signal in order to control and adjust the charging current for the battery module, and to suppress the output overshoot current of the charging apparatus. | 06-05-2014 |
20140184173 | Battery Charging Method and Circuit - A method and apparatus for controlling a composite battery charger including a switching regulator and a linear charger charging a battery connected to it, whereby the switching regulator provides the supply voltage for the linear charger and Device Circuits. The control method and circuit fully turns on the pass device of the linear charger in a constant current operating mode and the switching regulator is controlled to maintain a constant charge current through the pass device while also supplying device current to the Device Circuits. The device current may vary. The method and circuit limits the dissipation of the pass device of the linear charger by reducing the supply voltage as a function of the charge current in the CC/CV transition region of the battery charger and by reducing the charge current as a function of the battery voltage if the battery voltage is below a predetermined value related to a predetermined minimum supply voltage value. | 07-03-2014 |
20140266072 | SYSTEM AND METHODS FOR BATTERY BALANCING - A battery system includes multiple battery cells having multiple cell voltages, and a balancing module. The battery module coupled to multiple battery cells and configured to specify a first voltage threshold according to an amount of a charging current supplied to the battery cells in constant current charging mode, and to initiate a balance check of the battery cells if the first voltage threshold is not satisfied by a cell voltage of the plurality of cell voltages | 09-18-2014 |
20150069976 | CHARGING CONTROLLING CIRCUIT AND CHARGING CONTROLLING SYSTEM - A charging controlling system includes an input terminal, an output terminal, a battery terminal, and a switch terminal. The charging controlling system includes a coil connected to the switch terminal at a first end thereof. The charging controlling system includes a resistor connected to a second end of the coil at a first end thereof and to the battery terminal at a second end thereof. The charging controlling system includes a capacitor connected between the second end of the coil and the ground. The charging controlling system includes a diode connected to the switch terminal at a cathode thereof and to the ground at an anode thereof. The charging controlling system includes a charging controlling circuit that controls charging of the battery. | 03-12-2015 |
20160020629 | APPARATUS, SYSTEM, AND METHOD OF PREVENTING BATTERY RACK DAMAGE BY MEASURING CURRENT - The present invention relates to an apparatus, a system, and a method of preventing a battery rack from being damaged by measuring a current, which, when a battery module is abnormally connected with a relay in some battery racks in installing the relay, which conducts or blocks a current flowing in the battery rack including a plurality of battery modules so that a current exceeding a predetermined current limit value flows in the battery rack, prevent a short-circuit phenomenon, by controlling an operation state of the relay before the battery rack and the relay form a short circuit, and prevent capacitance imbalance between the battery racks by controlling an operation state of the relay when a voltage difference between a plurality of battery racks exceeds a predetermined voltage difference. | 01-21-2016 |
20160072322 | PROTECTION SWITCH CIRCUIT, CHARGING CIRCUIT, AND ELECTRONIC DEVICE - A protection switch circuit includes: an input terminal configured to receive a DC input voltage; an output terminal; a switch provided between the input terminal and the output terminal; a determination circuit configured to compare the input voltage with N threshold voltages (N is a natural number); and a gate controller configured to control the switch based on a comparison result of the determination circuit, wherein the determination circuit includes: an OTPROM (One Time Programmable Read Only Memory) to which N pieces of setting data indicative of each of the N threshold voltages are written under software control, and a comparison circuit configured to compare the input voltage with each of the N threshold voltages according to the N pieces of the setting data written to the OTPROM. | 03-10-2016 |
20160254688 | Electronic Device and Method For Controlling Charging of the Same | 09-01-2016 |