홈 전원 관리 AC/DC & DC/DC converters (integrated FET)
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전원 관리
AC/DC & DC/DC converters (integrated FET)

TPS57140-Q1

활성

Eco-Mode™를 지원하는 차량용 3.5V~42V, 1.5A 벅 컨버터

지금 주문
데이터시트

이 제품의 최신 버전이 있습니다

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다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
LMR43620-Q1 활성 저 IQ를 지원하는 오토모티브 3V~36V, 2A 저 EMI 동기 벅 레귤레이터 Smaller footprint, higher efficiency, lower EMI, lower IQ and spread-spectrum.

TPS57140-Q1

활성
데이터시트 지금 주문

제품 상세 정보

Iout (max) (A) 1.5 Vin (min) (V) 3.5 Vin (max) (V) 42 Topology Buck Type Converter Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Adjustable, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 39 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000116
Iout (max) (A) 1.5 Vin (min) (V) 3.5 Vin (max) (V) 42 Topology Buck Type Converter Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Adjustable, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 39 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000116
HVSSOP (DGQ) 10 14.7 mm² 3 x 4.9 VSON (DRC) 10 9 mm² 3 x 3
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • 3.5-V to 42-V Input Voltage Range
  • 200-mΩ High-Side MOSFET
  • High Efficiency at Light Loads With Pulse-Skipping Eco-mode Control Scheme
  • 116-μA Operating Quiescent Current
  • 1.5-μA Shutdown Current
  • 100-kHz to 2.5-MHz Switching Frequency
  • Synchronizes to External Clock
  • Adjustable Slow Start and Sequencing
  • Undervoltage and Overvoltage Power-Good Output
  • Adjustable Undervoltage Lockout Voltage and Hysteresis
  • 0.8-V Internal Voltage Reference
  • Supported by SwitcherPro Software Tool
    (www.ti.com/tool/switcherpro)

All trademarks are the property of their respective owners.

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • 3.5-V to 42-V Input Voltage Range
  • 200-mΩ High-Side MOSFET
  • High Efficiency at Light Loads With Pulse-Skipping Eco-mode Control Scheme
  • 116-μA Operating Quiescent Current
  • 1.5-μA Shutdown Current
  • 100-kHz to 2.5-MHz Switching Frequency
  • Synchronizes to External Clock
  • Adjustable Slow Start and Sequencing
  • Undervoltage and Overvoltage Power-Good Output
  • Adjustable Undervoltage Lockout Voltage and Hysteresis
  • 0.8-V Internal Voltage Reference
  • Supported by SwitcherPro Software Tool
    (www.ti.com/tool/switcherpro)

All trademarks are the property of their respective owners.

The TPS57140-Q1 device is a 42-V, 1.5-A step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no-load, regulated output supply current to 116 μA. When the enable pin is in the low state, the shutdown current is reduced to 1.5 µA.

Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow-start pin that can also be configured for sequencing or tracking. An open-drain power-good signal indicates the output is within 92% to 109% of its nominal voltage.

A wide switching-frequency range allows optimization of efficiency and external component size. Frequency foldback and thermal shutdown protect the part during an overload condition.

The TPS57140-Q1 is available in a 10-pin thermally enhanced MSOP-PowerPAD package (DGQ) and a 10-pin VSON package (DRC).

For all available packages, see the orderable addendum at the end of the data sheet.

The TPS57140-Q1 device is a 42-V, 1.5-A step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no-load, regulated output supply current to 116 μA. When the enable pin is in the low state, the shutdown current is reduced to 1.5 µA.

Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow-start pin that can also be configured for sequencing or tracking. An open-drain power-good signal indicates the output is within 92% to 109% of its nominal voltage.

A wide switching-frequency range allows optimization of efficiency and external component size. Frequency foldback and thermal shutdown protect the part during an overload condition.

The TPS57140-Q1 is available in a 10-pin thermally enhanced MSOP-PowerPAD package (DGQ) and a 10-pin VSON package (DRC).

For all available packages, see the orderable addendum at the end of the data sheet.
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기술 문서

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모두 보기7
유형 직함 날짜
* Data sheet TPS57140-Q1 1.5-A 42-V Step-Down DC-DC Converter With Eco-mode™ Control datasheet (Rev. D) PDF | HTML 2016/02/05
Selection guide Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) 2021/04/15
Application note Passing CISPR25 Radiated Emissions Using the TPS54160-Q1 (Rev. A) 2019/05/23
Application note Interfacing TPS57xxx-Q1 and TPS65320-Q1 Family Devices With Low Impendence Exter 2015/12/08
Application note TPS54xxx-Q1 and TPS57xxx-Q1 Devices EMC Performance Comparison Study 2015/11/17
Application note TPS54xx0-Q1 and TPS57xx0-Q1 Pin Open and Short Test Results (Rev. B) 2015/11/03
Application note Design Considerations for DC-DC Converters in Fast-Input Slew Rate Applications 2015/03/05

설계 및 개발

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

시뮬레이션 모델

TPS57140-Q1 PSpice Transient Model

SLVM820.ZIP (86 KB) - PSpice Model
다운로드
시뮬레이션 모델

TPS57140-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMCV1A.ZIP (62 KB) - PSpice Model
다운로드
계산 툴

TPS54-57XX0-CALC — TPS54xx0-Q1 and TPS57xx0-Q1 Design Calculation Tool

This worksheet is designed for use with Microsoft Excel 2002 or later. It intends to assist circuit designers in their day-to-day calculations

This worksheet includes two sections:

  • Recommendations: Calculates the maximum requirements for different components to guarantee the input voltage, output (...)
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지원되는 제품 및 하드웨어

제품
AC/DC & DC/DC converters (integrated FET)
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다운로드
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The PMP10233 reference design is a non-synchronous buck converter for automotive applications with an input voltage range of 9 to 42V. It uses the TPS54140-Q1 to deliver an output of 8.0V@1.0A.
Test report: PDF
회로도: PDF
패키지 핀 다운로드
HVSSOP (DGQ) 10 옵션 보기
VSON (DRC) 10 옵션 보기
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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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