홈 전원 관리 AC/DC 및 DC/DC 컨버터(통합 FET)
홈
전원 관리
AC/DC 및 DC/DC 컨버터(통합 FET)

TPS54540B-Q1

활성

Eco-mode™를 지원하는 4.5~42V 입력, 5A, 스텝다운 DC/DC 컨버터

지금 주문
데이터 시트

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이 제품은 기존 고객을 위해 계속 제공됩니다. 새로운 설계는 대체 제품을 고려해야 합니다.
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
LM61460-Q1 활성 오토모티브 3V~36V, 6A 저잡음 동기 스텝다운 컨버터 Smaller solution size, higher efficiency, lower EMI and spread spectrum.

TPS54540B-Q1

활성
데이터 시트 지금 주문

제품 상세 정보

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 4.5 Vin (max) (V) 42 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Soft Start Adjustable, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 41.1 Iq (typ) (µA) 146 Duty cycle (max) (%) 98
Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 4.5 Vin (max) (V) 42 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Soft Start Adjustable, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 41.1 Iq (typ) (µA) 146 Duty cycle (max) (%) 98
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H1C
    • Device CDM ESD Classification Level C3B
  • High-Efficiency at Light Loads With Pulse-Skipping Eco-mode™
  • 92-mΩ High-Side MOSFET
  • 146-µA Operating Quiescent Current and 2-µA Shutdown Current
  • 100-kHz to 2.5-MHz Adjustable Switching Frequency
  • Synchronizes to External Clock
  • Low Dropout at Light Loads With Integrated BOOT Recharge FET
  • Adjustable UVLO Voltage and Hysteresis
  • 0.8-V 1% Internal Voltage Reference
  • 8-Pin HSOP PowerPAD™ Package
  • –40°C to 150°C TJ Operating Range
  • Supported by WEBENCH Software Tool
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H1C
    • Device CDM ESD Classification Level C3B
  • High-Efficiency at Light Loads With Pulse-Skipping Eco-mode™
  • 92-mΩ High-Side MOSFET
  • 146-µA Operating Quiescent Current and 2-µA Shutdown Current
  • 100-kHz to 2.5-MHz Adjustable Switching Frequency
  • Synchronizes to External Clock
  • Low Dropout at Light Loads With Integrated BOOT Recharge FET
  • Adjustable UVLO Voltage and Hysteresis
  • 0.8-V 1% Internal Voltage Reference
  • 8-Pin HSOP PowerPAD™ Package
  • –40°C to 150°C TJ Operating Range
  • Supported by WEBENCH Software Tool

The TPS54540B-Q1 device is a 42-V, 5-A, step-down regulator with an integrated high-side MOSFET. The device survives load-dump pulses up to 65 V per ISO 7637. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the enable pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using an external resistor divider at the enable pin. The output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.

A wide adjustable frequency range allows either efficiency or external component size to be optimized. Output current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protect internal and external components during an overload condition.

The TPS54540B-Q1 is available in an 8-pin thermally-enhanced HSOP PowerPAD package.

The TPS54540B-Q1 device is a 42-V, 5-A, step-down regulator with an integrated high-side MOSFET. The device survives load-dump pulses up to 65 V per ISO 7637. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the enable pin is pulled low.

Undervoltage lockout is internally set at 4.3 V but can be increased using an external resistor divider at the enable pin. The output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.

A wide adjustable frequency range allows either efficiency or external component size to be optimized. Output current is limited cycle-by-cycle. Frequency foldback and thermal shutdown protect internal and external components during an overload condition.

The TPS54540B-Q1 is available in an 8-pin thermally-enhanced HSOP PowerPAD package.
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기술 자료

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2개 모두 보기
유형 직함 날짜
* Data sheet TPS54540B-Q1 4.5-V to 42-V Input, 5-A, Step-Down DC-DC Converter With Eco-mode™ datasheet PDF | HTML 2017/01/25
Application note NRND & Differences TPS54340/360/540/560 and TPS54340B/360B/540B/560B 2019/04/05

설계 및 개발

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평가 보드

TPS54540-Q1EVM-593 — TPS54540-Q1EVM-593 차량용 등급 스텝다운 컨버터 7V ~ 42V 입력

The TPS54540-Q1EVM-593 is a fully assembled and tested circuit for evaluating the automotive qualified TPS54540-Q1 step-down converter. The TPS54540-Q1EVM-593 operates from a 7V to 42V input (12V nominal) and provides a 5V output at 5A. Additional input filtering is used for reducing conducted (...)

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주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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