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Portable power station

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Block diagram

Portable power station

Block diagram

Overview

Our integrated circuits and reference designs help you create safe and more efficient portable power stations. Whether with bidirectional AC/DC or standalone charger products, we have the right solutions to secure battery safety, high-efficiency power conversion and light weight of your portable power station.

Design requirements

Portable power station requires:

  • Smart charge consisting of bidirectional, compact size and light weight.
  • Battery safety under normal and abnormal conditions.
  • High efficiency across wide voltage and load range.
  • Multi-out port with incorporated USB power delivery (PD) for fast charging.
Explore applications similar in function and design

Block diagram

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Portable power station with bidirectional AC/DC

Portable power station with standalone charger

Portable power station with bidirectional AC/DC

Cell balancing MOSFETs Cell balancingMOSFETs …… …… …… …… …… …… BAT- BAT- BAT+ BAT+ PACK+ PACK+ PACK- PACK- USB A USB A USB C USB C Solar panel Solar panel Car charging port Car charging port ... ... ... ... EMI filter EMI filter ~ ~ ~ ~ DATA DATA Fan PWM Fan PWM Fan power Fan power AC line or load AC line or load HV aux power HV aux power LV Aux Power LV Aux Power HV aux power HV aux power HV DC link rail HV DC link rail Battery rail Battery rail EMI filter EMI filter DATA DATA Fan power Fan power LV aux power LV aux power PFC inverter stage PFC inverter stage HV-MOSFET(2X) HV-MOSFET(2X) Gate driver Gate driver Transformer driver Transformer driver Iso amp Iso amp Amp Amp Comp Comp Isolated DC/DC stage Isolated DC/DC stage HV-MOSFET(4X) HV-MOSFET(4X) SR driver(2X) SR driver(2X) LV-MOSFET(12X) LV-MOSFET(12X) Transformer driver Transformer driver Amp Amp Comp Comp Auxiliary power from DC link Auxiliary power from DC link LDO LDO Flyback controller Flyback controller Buck converter Buck converter PFC inverter control unit PFC inverter control unit C2000 C2000 Temp sensor Temp sensor Supervisor Supervisor VREF VREF Isolator(2X) Isolator(2X) Isolation Isolation Isolator Isolator Iso amp Iso amp DC/DC control unit DC/DC control unit Isolator(4X) Isolator(4X) C2000 C2000 Temp sensor Temp sensor Supervisor Supervisor VREF VREF Battery charging Battery charging Battery charger Battery charger LV-MOSFET LV-MOSFET Charge, discharge power stage Charge, discharge power stage LV-MOSFET LV-MOSFET Gate driver Gate driver Fuse Fuse Battery charging with MPPT Battery charging with MPPT Battery charger with MPPT Battery charger with MPPT LV-MOSFET LV-MOSFET DC/DC power stage for USB DC/DC power stage for USB Buck converter Buck converter LDO LDO Battery management controller Battery management controller MCU MCU Fuel gauge Fuel gauge ESD ESD DC/DC power stage DC/DC power stage Buck controller Buck controller LV-MOSFET LV-MOSFET Monitor, protector, cell balancing Monitor, protector, cell balancing AFE, monitor AFE, monitor Temp sensor Temp sensor Secondary protector Secondary protector HMI HMI MCU MCU LCD LCD Button Button LDO LDO Buzzer Buzzer LCD driver LCD driver LED driver LED driver Auxiliary power from battery Auxiliary power from battery Buck converter (2X) Buck converter (2X) LDO LDO USB interface USB interface USB Type-C® controller USB Type-C® controller USB Type-A controller USB Type-A controller ESD ESD AC/DC EMI filter AC/DC EMI filter EMI filter EMI filter

Battery charging with MPPT

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The battery charging with MPPT subsystem provides efficient transfer of power from a solar module to the rest of the string modules in series. The MPPT stage of the controller tracks the maximum power point of the module while maintaining the output voltage appropriate for the solar string.

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Battery management ICs (2)
Battery charger ICs
  • BQ25758—I²C controlled 60-V bi-directional buck-boost controller with USB PD EPR and PPS support
    Data sheet: PDF | HTML
  • BQ25756—Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with MPPT
    Data sheet: PDF | HTML
  • TIDA-010042—400-W GaN-based MPPT charge controller and power optimizer reference design
    Design guide: PDF | HTML Schematic: PDF

Technical documentation

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Type Title Date
Application brief 단일 종단 입력 ADC에 차동 출력(절연) 증폭기 인터페이싱 (Rev. B) PDF | HTML 27 Jun 2024
Application brief Anschluss eines Differenzialausgangsverstärkers (isoliert) an einen A/D-Wandler mit unsymmetrischem Eingang (Rev. B) PDF | HTML 27 Jun 2024
White paper 산업용 배터리 팩을 통해 수송 수단에 대체 전력 공급 22 Apr 2020
White paper 以工業電池組為運輸替代方案提供電源 21 Apr 2020
White paper 신뢰할 수 있는 합리적 가격대의 절연 기술 개발과 관련한 고전압 설계 문제의 해결 (Rev. C) PDF | HTML 16 May 2024
Technical article Get more from your GaN-based digital power designs with a C2000 real-time MCU PDF | HTML 14 Sep 2023
Technical article Next-generation battery monitors: how to improve battery safety while improving ac PDF | HTML 14 Jul 2023
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 14 Feb 2024
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 14 Feb 2024
Technical article System trade-offs for high- and low-side current measurements PDF | HTML 11 Sep 2023
Application note Digitally Controlled Bridgeless Power Factor Correction (BL PFC) using C2000 MCU (Rev. A) PDF | HTML 11 May 2022
Application note Multiple FETs with the BQ76952, BQ76942 Battery Monitors (Rev. A) 11 May 2022
Application note Thermal Considerations for Designing a GaN Power Stage (Rev. B) 11 May 2022
White paper Powering Alternative Forms of Transportation with Industrial Battery Packs 11 Mar 2020
White paper Powering Alternative Forms of Transportation with Industrial Battery Packs 11 Mar 2020
White paper An overview of conducted EMI specifications for power supplies 08 Feb 2018
White paper 以可靠且經濟實惠的隔離技術解決高電壓設計挑戰 (Rev. C) PDF | HTML 07 Mar 2024
Application brief Scaling accurate battery management designs across energy storage systems PDF | HTML 07 Mar 2024
Application note bq769x0 Family Top 10 Design Considerations (Rev. A) PDF | HTML 05 Jul 2018
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 02 Jun 2023
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 02 Jun 2023

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