전력 관리 DC/DC 스위칭 레귤레이터 DC/DC 컨버터

TPS54229E

활성

Eco-Mode를 지원하는 4.5V~18V 입력, 2A 동기형 스텝 다운 컨버터

제품 상세 정보

Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 7 Vout (min) (V) 0.76 Features Enable, Light Load Efficiency, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP2 Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00085 Duty cycle (max) (%) 90
Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 7 Vout (min) (V) 0.76 Features Enable, Light Load Efficiency, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP2 Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00085 Duty cycle (max) (%) 90
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm)
  • D-CAP2™ Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 7.0 V
  • Highly Efficient Integrated FETs Optimized
    for Lower Duty Cycle Applications
    – 160 mΩ (High Side) and 110 mΩ (Low Side)
  • High Efficiency, less than 10 µA at shutdown
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle By Cycle Over Current Limit
  • Auto-Skip Eco-mode™ for High Efficiency at Light Load
  • D-CAP2™ Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.76 V to 7.0 V
  • Highly Efficient Integrated FETs Optimized
    for Lower Duty Cycle Applications
    – 160 mΩ (High Side) and 110 mΩ (Low Side)
  • High Efficiency, less than 10 µA at shutdown
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle By Cycle Over Current Limit
  • Auto-Skip Eco-mode™ for High Efficiency at Light Load

The TPS54229E is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54229E enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54229E uses the D-CAP2 mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode™ operation at light loads. Eco-mode™ allows the TPS54229E to maintain high efficiency during lighter load conditions. The TPS54229E also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54229E is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.

The TPS54229E is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54229E enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54229E uses the D-CAP2 mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode™ operation at light loads. Eco-mode™ allows the TPS54229E to maintain high efficiency during lighter load conditions. The TPS54229E also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54229E is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 유사한 기능.
TPS562242 활성 SOT563의 3V~17V 입력 전압, 2A, 1.4MHz 동기식 벅 컨버터 This product is single output with 1.2MHz switching frequency
TPS562203 활성 에코 모드를 지원하는 SOT563의 4.2V~17V 입력, 2A 동기 벅 컨버터 This product has a smaller package with less external component count
TPS562211 활성 SOT583에서 1% 정확도, PG/SS 및 PFM/강제-PWM을 지원하는 4.2V~18V, 2A, 동기 벅 컨버터 This product is single output, selectable power good or soft start feature

기술 자료

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3개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 4.5-V to 18-V Input, 2-A Synchronous Step-Down Converter with Eco-mode™ datasheet (Rev. A) 2012. 3. 23
애플리케이션 노트 D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On- 2013. 1. 2
추가 자료 TPS54229EEVM-056, 2-A, SWIFT(TM) Regulator Evaluation Module 2011. 10. 21

설계 및 개발

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

시뮬레이션 모델

TPS54229E Unencrypted PSpice Transient Model Package (Rev. B)

SLVM416B.ZIP (43 KB) - PSpice 모델
지원되는 제품 및 하드웨어
패키지 CAD 기호, 풋프린트 및 3D 모델
HSOIC (DDA) 8 Ultra Librarian

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