전력 관리 DC/DC 스위칭 레귤레이터 DC/DC 컨버터

TPS61382A-Q1

활성

Automotive, 2.2MHz, 36V, 15A boost converter with buck/LDO charger and battery health detection

제품 상세 정보

Rating Automotive Topology Buck/Boost Vin (max) (V) 12 Vin (min) (V) 0.5 Vout (max) (V) 12 Vout (min) (V) 5 Switch current limit (typ) (A) 15 Features Adjustable current limit, Bidirectional, Enable, I2C interface, Spread Spectrum, Synchronous rectification EMI features Frequency Dithering, Spread Spectrum Control mode Peak current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 90
Rating Automotive Topology Buck/Boost Vin (max) (V) 12 Vin (min) (V) 0.5 Vout (max) (V) 12 Vout (min) (V) 5 Switch current limit (typ) (A) 15 Features Adjustable current limit, Bidirectional, Enable, I2C interface, Spread Spectrum, Synchronous rectification EMI features Frequency Dithering, Spread Spectrum Control mode Peak current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 90
WQFN-FCRLF (RAV) 24 12 mm² 4 x 3
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
  • Functional Safety-Capable
  • I2C programmable buck/LDO charger
    • Supports charger input voltage (VOUT Pin) up to 20V, absolute maximum value of up to 40V to withstand load dump
    • Supports multi-chemistry battery charging profile of from 1 to 5cell NiMH, from 1 to 2cell Li-Ion, LiFePO4
    • Programmable charging current up to 500mA
    • Wide battery voltage operating range from 0V to 12V
    • Programmable charging timer up to 32h
    • NTC thermistor input to monitor battery temperature
  • Programmable boost converter supporting 12V car battery back-up power system
    • Programmable output voltage range: 5V to 12V
    • Programmable boost average input current limit from 5A to 15A
    • Back-up battery (BUB) voltage in boost mode: 0.5V to 12V
      • Minimum 3V for start-up
      • Can start up at 1V when Vout > 5V
    • < 20us automatic transition into the boost mode when 12V system voltage drops
  • Backup battery State-of-Health (SOH) detection
    • Adjustable discharge current from 0A to 1.5A
    • Multi-signal analog output (AVI pin) of battery voltage, discharge current and battery temperature
  • Lower quiescent current and leakage current
    • 20µA quiescent current in standby mode
    • < 1µA shutdown current
    • < 1µA leakage current for pins connected to the back up battery
  • EMI mitigation
    • 2.2MHz fix switching frequency
    • Programmable spread spectrum
  • 3mm × 4mm, 25-pin package with wettable flank
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
  • Functional Safety-Capable
  • I2C programmable buck/LDO charger
    • Supports charger input voltage (VOUT Pin) up to 20V, absolute maximum value of up to 40V to withstand load dump
    • Supports multi-chemistry battery charging profile of from 1 to 5cell NiMH, from 1 to 2cell Li-Ion, LiFePO4
    • Programmable charging current up to 500mA
    • Wide battery voltage operating range from 0V to 12V
    • Programmable charging timer up to 32h
    • NTC thermistor input to monitor battery temperature
  • Programmable boost converter supporting 12V car battery back-up power system
    • Programmable output voltage range: 5V to 12V
    • Programmable boost average input current limit from 5A to 15A
    • Back-up battery (BUB) voltage in boost mode: 0.5V to 12V
      • Minimum 3V for start-up
      • Can start up at 1V when Vout > 5V
    • < 20us automatic transition into the boost mode when 12V system voltage drops
  • Backup battery State-of-Health (SOH) detection
    • Adjustable discharge current from 0A to 1.5A
    • Multi-signal analog output (AVI pin) of battery voltage, discharge current and battery temperature
  • Lower quiescent current and leakage current
    • 20µA quiescent current in standby mode
    • < 1µA shutdown current
    • < 1µA leakage current for pins connected to the back up battery
  • EMI mitigation
    • 2.2MHz fix switching frequency
    • Programmable spread spectrum
  • 3mm × 4mm, 25-pin package with wettable flank

The TPS61382A-Q1 is 2.2MHz, 40V, 15A automotive bi-directional boost converter, buck charger with battery health detection function for back-up power like TBOX. The device supports 40V absolute maximum voltage on VOUT pin to withstand load-dump condition and supports direct connection with 12V car battery.

The TPS61382A-Q1 integrates I2C configurable buck/LDO charger supporting NiMH, Li-Ion, LiFePO4.

TPS61382A-Q1 integrates boost function that operates over 0.5V-12V BUB voltage and 5V-12V output voltage. The device applies fix frequency peak current control scheme with optional spread spectrum to minimize EMI. The boost function supports 5A to 15A programmable average current limit.

The TPS61382A-Q1 integrates battery health detection feature which discharge the battery with a constant current and detects the voltage drop across the battery internal resistance.

The TPS61382A-Q1 is available in a 3mm × 4mm QFN package with wettable flank. Care must be taken when designing the PCB with TPS61382A-Q1. See also Layout Example.

The TPS61382A-Q1 is 2.2MHz, 40V, 15A automotive bi-directional boost converter, buck charger with battery health detection function for back-up power like TBOX. The device supports 40V absolute maximum voltage on VOUT pin to withstand load-dump condition and supports direct connection with 12V car battery.

The TPS61382A-Q1 integrates I2C configurable buck/LDO charger supporting NiMH, Li-Ion, LiFePO4.

TPS61382A-Q1 integrates boost function that operates over 0.5V-12V BUB voltage and 5V-12V output voltage. The device applies fix frequency peak current control scheme with optional spread spectrum to minimize EMI. The boost function supports 5A to 15A programmable average current limit.

The TPS61382A-Q1 integrates battery health detection feature which discharge the battery with a constant current and detects the voltage drop across the battery internal resistance.

The TPS61382A-Q1 is available in a 3mm × 4mm QFN package with wettable flank. Care must be taken when designing the PCB with TPS61382A-Q1. See also Layout Example.

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기술 자료

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* Data sheet TPS61382A-Q1 Automotive 2.2MHz, 36V, 15A Boost Converter With Buck/LDO Charger and Battery State of Health Detection datasheet PDF | HTML 2026/04/22
Certificate TPS61382AQEVM-158 EU Declaration of Conformity (DoC) 2025/12/23

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

TPS61382AQEVM-158 — TPS61382A-Q1 평가 모듈

TPS61382AQEVM-158은 0V~12V의 백업 배터리 전압 범위와 최대 40V의 주 배터리 전압에서 작동하여 양방향 작동을 달성합니다. 이 EVM은 부스트 모드에서 최대 5.5A(3.6V BUB 기준) 및 6.2V 출력을 지원하며, 충전기 모드에서는 50~500mA의 충전 전류를 지원합니다. 장치 기능은 I2C 인터페이스를 사용하여 조정할 수 있습니다.
사용 설명서: PDF | HTML
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