홈 전력 관리 DC/DC 스위칭 레귤레이터 DC/DC 컨버터
홈
전력 관리
DC/DC 스위칭 레귤레이터
DC/DC 컨버터

TPS57040-Q1

활성

Eco-Mode™를 지원하는 차량용 3.5V~42V, 500mA 벅 컨버터

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LMR34206-Q1 활성 4.2V~42V, 0.6A 초소형 동기 강압 컨버터 Spread spectrum and wettable flank QFN packaging.

TPS57040-Q1

활성
데이터 시트 지금 주문하기

제품 상세 정보

Rating Automotive Topology Buck Iout (max) (A) 0.5 Vin (max) (V) 42 Vin (min) (V) 3.5 Vout (max) (V) 39 Vout (min) (V) 0.8 Features Adjustable soft start, Enable, Frequency synchronization, Light-load efficiency, Power good, UVLO adjustable Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000116 Duty cycle (max) (%) 100
Rating Automotive Topology Buck Iout (max) (A) 0.5 Vin (max) (V) 42 Vin (min) (V) 3.5 Vout (max) (V) 39 Vout (min) (V) 0.8 Features Adjustable soft start, Enable, Frequency synchronization, Light-load efficiency, Power good, UVLO adjustable Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000116 Duty cycle (max) (%) 100
HVSSOP (DGQ) 10 14.7 mm² (3 mm × 4.9 mm) VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • 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 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 a 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/Sequencing
  • Undervoltage and Overvoltage Power-good Output
  • Adjustable Undervoltage Lockout Voltage and Hysteresis
  • 0.8-V Internal Voltage Reference
  • Supported by SwitcherPro™ Software Tool
    (http://focus.ti.com/docs/toolsw/folders/print/switcherpro.html)
  • 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 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 a 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/Sequencing
  • Undervoltage and Overvoltage Power-good Output
  • Adjustable Undervoltage Lockout Voltage and Hysteresis
  • 0.8-V Internal Voltage Reference
  • Supported by SwitcherPro™ Software Tool
    (http://focus.ti.com/docs/toolsw/folders/print/switcherpro.html)

The TPS57040-Q1 device is a 42-V 0.5-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, input supply current to 116 µA. Using the enable pin, shutdown supply current is reduced to 1.5 µA, when the enable pin is low.

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/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 efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

The TPS57040-Q1 is available in a 10-pin thermally enhanced MSOP PowerPAD™ package (DGQ) and a 10-pin SON package (DRC).

The TPS57040-Q1 device is a 42-V 0.5-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, input supply current to 116 µA. Using the enable pin, shutdown supply current is reduced to 1.5 µA, when the enable pin is low.

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/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 efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

The TPS57040-Q1 is available in a 10-pin thermally enhanced MSOP PowerPAD™ package (DGQ) and a 10-pin SON package (DRC).
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기술 자료

검색된 결과가 없습니다. 검색어를 지우고 다시 시도하세요.
6개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 TPS57040-Q1 0.5-A 42-V Step-Down DC-DC Converter With Eco-mode™ datasheet (Rev. D) PDF | HTML 2014. 12. 23
애플리케이션 노트 Passing CISPR25 Radiated Emissions Using the TPS54160-Q1 (Rev. A) 2019. 5. 23
애플리케이션 노트 Interfacing TPS57xxx-Q1 and TPS65320-Q1 Family Devices With Low Impendence Exter 2015. 12. 8
애플리케이션 노트 TPS54xxx-Q1 and TPS57xxx-Q1 Devices EMC Performance Comparison Study 2015. 11. 17
애플리케이션 노트 TPS54xx0-Q1 and TPS57xx0-Q1 Pin Open and Short Test Results (Rev. B) 2015. 11. 3
애플리케이션 노트 Design Considerations for DC-DC Converters in Fast-Input Slew Rate Applications 2015. 3. 5

설계 및 개발

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시뮬레이션 모델

TPS57040-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM815A.ZIP (77 KB) - PSpice 모델
지원되는 제품 및 하드웨어
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 (...)
지원되는 제품 및 하드웨어
패키지 핀 CAD 기호, 풋프린트 및 3D 모델
HVSSOP (DGQ) 10 Ultra Librarian
VSON (DRC) 10 Ultra Librarian
TI의 평가 항목에 대한 표준 약관이 적용됩니다.

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