Patents Assigned to ENERGY PASS INCORPORATION
  • Patent number: 9197097
    Abstract: A temperature-controlled power supply system is disclosed. The temperature-controlled power supply system comprises a power source, for supplying input power; a rechargeable battery module, for receiving the input power for power storage; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module; and a current control unit, coupled to the temperature sensing unit and the charging unit, for controlling a current for charging the rechargeable battery module according to the temperature of the rechargeable battery module.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: November 24, 2015
    Assignee: Energy Pass Incorporation
    Inventors: Chao-Hsuan Liu, Hsueh-Wen Tseng, Chia-Hsieh Wu, Ying-Che Lo
  • Patent number: 9142974
    Abstract: A configurable power supply system is disclosed. The configurable power supply system comprises a power source for providing input power, a switch, coupled to the power source, for enabling a bypass path for outputting the input power to an output node as an output power when turned on; a rechargeable battery module for storing the input power for outputting a battery power; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a converting unit, coupled to the rechargeable battery module, for converting the battery power to generate the output power; and a control unit, coupled to the switch, the charging unit, and the converting unit, for controlling functions of the switch, the charging unit, and the converting unit.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: September 22, 2015
    Assignee: Energy Pass Incorporation
    Inventors: Hsueh-Wen Tseng, Chia-Hsieh Wu, Chao-Hsuan Liu, Ying-Che Lo
  • Publication number: 20150234420
    Abstract: A clock switching circuit for an analog-to-digital converter includes a plurality of clock sources for generating a plurality of clock signals, a plurality of fail-detecting units, coupled to the plurality of clock sources, for generating a plurality of detecting results, and a priority selecting and switching circuit, for selecting and switching one of the plurality of the clock sources as an input clock of the analog-to-digital according to the plurality of detecting results.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 20, 2015
    Applicant: ENERGY PASS INCORPORATION
    Inventor: Ming-Wei Lin
  • Publication number: 20150231987
    Abstract: An adjustment module for an analog to digital converter (ADC) of a battery management system (BMS) includes a detection unit, for detecting a slop of an input current, to generate a sampling control signal; and a sampling frequency adjustment unit, for adjusting a sampling frequency of the ADC according to the sampling control signal.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 20, 2015
    Applicant: Energy Pass Incorporation
    Inventor: Ming-Wei Lin
  • Publication number: 20150234028
    Abstract: A state of charge (SOC) gauge device for a battery includes a voltage variation detection unit, for detecting whether a variation of a battery voltage of the battery reaches a predefined threshold, to generate a detection result; and a coulometer, for calibrating a SOC of the battery according to the detection result.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 20, 2015
    Applicant: Energy Pass Incorporation
    Inventor: Ming-Wei Lin
  • Publication number: 20150200586
    Abstract: A boost DC-DC converter with an inrush current protection device is disclosed. The boost DC-DC converter includes an output stage, including a high-side transistor for providing an output current, a low-side transistor for sinking the output current, a pass transistor for passing through the output current to an output node, an inductor coupled to the high-side transistor, the low-side transistor, and the pass transistor for passing through the output current, and an output capacitor coupled to the pass transistor for boosting an output voltage at the output node, and a protection diode parallel connected to the inductor and the low-side transistor for preventing an inrush current from passing through the inductor and the pass transistor to the output node.
    Type: Application
    Filed: January 12, 2014
    Publication date: July 16, 2015
    Applicant: Energy Pass Incorporation
    Inventors: Meng-Yin Liao, Chao-Hsuan Liu, Ying-Che Lo
  • Patent number: 9059594
    Abstract: A battery switching charger includes a PWM signal generator, a switching circuit, an inductor, a resistor and an analog-to-digital converter. The PWM signal generator is utilized for generating a PWM signal. The switching circuit includes cascoded transistors controlled by the PWM signal for generating an output voltage. The inductor is utilized for receiving the output voltage. The resistor is coupled between the inductor and a charge terminal of the battery switching charger, where the charge terminal is connected to a battery when the battery is being charged by the battery switching charger. The analog-to-digital converter is coupled to the PWM signal generator and the resistor, and is utilized for receiving voltages of two terminals of the resistor to generate control data to the PWM signal generator. In addition, the PWM signal generator adjusts a duty cycle of the PWM signal according to the control data.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: June 16, 2015
    Assignee: Energy Pass Incorporation
    Inventor: Chao-Hsuan Liu
  • Patent number: 9007067
    Abstract: A battery condition estimating apparatus for a battery pack having a plurality of battery cells connected in series includes an analog channel switching circuit and a battery gas gauge circuit. The analog channel switching circuit has a plurality of input ports and an output port, wherein the input ports are coupled to the battery cells via a plurality of analog channels, respectively, and the analog channel switching circuit is arranged to couple the output port to a selected input port of the input ports for allowing the output port N5 to be coupled to a selected battery via a selected analog channel. The battery gas gauge circuit is coupled to the output port of the analog channel switching circuit, and used for estimating a battery condition of the battery pack by monitoring the selected battery cell via the selected analog channel.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: April 14, 2015
    Assignee: Energy Pass Incorporation
    Inventors: Ming-Wei Lin, Ming-Hsien Lee, Ching-Liang Lin
  • Patent number: 8990594
    Abstract: An apparatus for measuring a remaining power of a battery unit includes a first memory unit, a second memory unit, and a processor. The first memory unit stores a first program code. The second memory unit stores a second program code. The second memory unit is accessed at a second speed that is lower than a first speed at which the first memory unit is accessed. The processor is utilized for reading the first program code from the first memory unit to execute calculation for current of the battery unit during a normal operation mode and reading the second program code from the second memory unit to execute an exception during the normal operation mode if required.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: March 24, 2015
    Assignee: Energy Pass Incorporation
    Inventors: Chia-Hsieh Wu, Ying-Che Lo
  • Patent number: 8880367
    Abstract: A method for accurately performing power estimation on a battery of an electronic device includes: monitoring a charging current of the battery to obtain charging current data of the charging current with respect to time; and performing curve mapping according to the charging current data and according to a plurality of sets of predetermined curve characteristic data, in order to determine an estimation parameter corresponding to one of a plurality of predetermined cycle counts, wherein the estimation parameter is utilized for performing power estimation, and the sets of predetermined curve characteristic data respectively correspond to the predetermined cycle counts, which represent estimated ages of the battery, respectively. At least one associated apparatus is also provided.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: November 4, 2014
    Assignee: Energy Pass Incorporation
    Inventors: Chi-Yu Yang, Ming-Hsien Lee
  • Patent number: 8766596
    Abstract: A battery management system (BMS) for managing discharging of a plurality of battery cells is disclosed. The battery management system comprises a battery monitoring unit, for monitoring statuses of the plurality of battery cells; and a discharge control unit, for controlling the plurality of battery cells to output a plurality of output powers to a load according to the statuses of the plurality of battery cells.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: July 1, 2014
    Assignee: Energy Pass Incorporation
    Inventor: Ming-Hsien Lee
  • Publication number: 20140145671
    Abstract: A battery switching charger includes a PWM signal generator, a switching circuit, an inductor, a resistor and an analog-to-digital converter. The PWM signal generator is utilized for generating a PWM signal. The switching circuit includes cascoded transistors controlled by the PWM signal for generating an output voltage. The inductor is utilized for receiving the output voltage. The resistor is coupled between the inductor and a charge terminal of the battery switching charger, where the charge terminal is connected to a battery when the battery is being charged by the battery switching charger. The analog-to-digital converter is coupled to the PWM signal generator and the resistor, and is utilized for receiving voltages of two terminals of the resistor to generate control data to the PWM signal generator. In addition, the PWM signal generator adjusts a duty cycle of the PWM signal according to the control data.
    Type: Application
    Filed: November 28, 2012
    Publication date: May 29, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventor: Chao-Hsuan Liu
  • Publication number: 20140114593
    Abstract: A method for calculating electrical charge/discharge quantity for a battery unit includes: utilizing an oscillator for generating a clock signal; providing a storage unit for storing a calibration parameter that is used for adjusting or calibrating a time interval of electrical charge/discharge calculation; determining when to generate an interrupt signal to a controller according to the clock signal and the calibration parameter; and measuring a current associated with the battery unit and calculating the electrical charge/discharge quantity for the battery unit when the interrupt signal is generated.
    Type: Application
    Filed: October 18, 2012
    Publication date: April 24, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventors: Chia-Hsieh Wu, Ying-Che Lo
  • Publication number: 20140100802
    Abstract: A method for measuring a remaining capacity of a chargeable magnetic material includes determining a discharging parameter, obtaining an open-circuit-voltage state-of-charge (OCV SOC) curve according to the discharging parameter, obtaining a discharging curve according to the OCV SOC curve and the discharging parameter, and processing an interpolation operation to measure the remaining capacity according to the OCV SOC curve and the discharging curve.
    Type: Application
    Filed: October 8, 2012
    Publication date: April 10, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventors: Ming-Hsien Lee, Chi-Yu Yang
  • Publication number: 20140084847
    Abstract: A configurable power supply system is disclosed. The configurable power supply system comprises a power source for providing input power, a switch, coupled to the power source, for enabling a bypass path for outputting the input power to an output node as an output power when turned on; a rechargeable battery module for storing the input power for outputting a battery power; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a converting unit, coupled to the rechargeable battery module, for converting the battery power to generate the output power; and a control unit, coupled to the switch, the charging unit, and the converting unit, for controlling functions of the switch, the charging unit, and the converting unit.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventors: Hsueh-Wen Tseng, Chia-Hsieh Wu, Chao-Hsuan Liu, Ying-Che Lo
  • Publication number: 20140084848
    Abstract: A temperature-controlled power supply system is disclosed. The temperature-controlled power supply system comprises a power source, for supplying input power; a rechargeable battery module, for receiving the input power for power storage; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module; and a current control unit, coupled to the temperature sensing unit and the charging unit, for controlling a current for charging the rechargeable battery module according to the temperature of the rechargeable battery module.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventors: Chao-Hsuan Liu, Hsueh-Wen Tseng, Chia-Hsieh Wu, Ying-Che Lo
  • Publication number: 20140084897
    Abstract: A current detection device for a buck-boost DC-DC converter is disclosed. The current detection device comprises a detecting terminal coupled to two low-side transistors of the buck-boost DC-DC converter, and only one current sensing unit for detecting a current flowing through the detecting terminal, to detect an output current of the buck-boost DC-DC converter.
    Type: Application
    Filed: September 27, 2012
    Publication date: March 27, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventors: Meng-Yin Liao, Chao-Hsuan Liu, Ying-Che Lo
  • Publication number: 20140084895
    Abstract: A method for performing refreshing control of a direct current (DC)-to-DC converter includes: monitoring at least one duration of a control signal of a switching unit of the DC-to-DC converter to determine a statistics result, the duration corresponding to a duty cycle of the control signal; and based upon the statistics result, performing refreshing control on a bootstrap capacitor within the DC-to-DC converter. In particular, the step of monitoring the duration of the control signal of the switching unit of the DC-to-DC converter to determine the statistics result further includes monitoring whether a length of the duration falls within a predetermined range, wherein the statistics result represents a number of times that the length of the duration falls within the predetermined range. For example, the statistics result represents the number of times that the length of the duration successively falls within the predetermined range. An associated apparatus is also provided.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: ENERGY PASS INCORPORATION
    Inventors: Ming-Wei Lin, Chao-Hsuan Liu