전원 관리 AC/DC 및 DC/DC 컨버터(통합 FET)

TPS549B22

활성

차동 원격 감지 및 PMBus를 지원하는 1.5V~18V, 25A 동기 SWIFT™ 벅 컨버터

이 제품의 최신 버전이 있습니다

open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
TPS546B24A 활성 핀 스트래핑 및 PMBus가 포함된 2.95V~18V 입력, 적층형 20A, 동기형 SWIFT™ 벅 컨버터 Stackable (x4) converter with PMBus.

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 25 Vin (min) (V) 1.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 315 Switching frequency (max) (kHz) 1125 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Light Load Efficiency, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable, Voltage Margining Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 2000 Duty cycle (max) (%) 80
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 25 Vin (min) (V) 1.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 315 Switching frequency (max) (kHz) 1125 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Light Load Efficiency, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable, Voltage Margining Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 2000 Duty cycle (max) (%) 80
LQFN-CLIP (RVF) 40 35 mm² 7 x 5
  • Input voltage (PVIN): 1.5V to 18V
  • Input bias voltage (VDD) range: 4.5V to 22V
  • Output voltage range: 0.6V to 5.5V
  • Integrated, 4.1mΩ and 1.9mΩ power MOSFETs with 25A continuous output current
  • Voltage reference 0.6V to 1.2V in 50mV steps using VSEL pin
  • ±0.5%, 0.9VREF tolerance range: –40°C to +125°C junction temperature
  • True differential remote sense amplifier
  • D-CAP3™ control mode
  • Adaptive on-time control with 8 PMBus frequencies: 315kHz, 425kHz, 550kHz, 650kHz, 825kHz, 900kHz, 1.025MHz, 1.125MHz
  • Temperature compensated and programmable current limit with RILIM and OC clamp
  • Choice of hiccup or latch-off OVP or UVP
  • VDD UVLO External Adjustment by Precision EN
  • Prebias start-up support
  • Eco-mode and FCCM selectable
  • Full suite of fault protection and PGOOD
  • Standard VOUT_COMMAND and VOUT_MARGIN (HIGH and LOW)
  • Pin-strapping and on-the-fly programming
  • Fault reporting and warning
  • NVM backup for selected commands
  • 1MHz PMBus with PEC and SMB_ALRT#
  • Create a custom design using the TPS549B22 with the WEBENCH Power Designer
  • Input voltage (PVIN): 1.5V to 18V
  • Input bias voltage (VDD) range: 4.5V to 22V
  • Output voltage range: 0.6V to 5.5V
  • Integrated, 4.1mΩ and 1.9mΩ power MOSFETs with 25A continuous output current
  • Voltage reference 0.6V to 1.2V in 50mV steps using VSEL pin
  • ±0.5%, 0.9VREF tolerance range: –40°C to +125°C junction temperature
  • True differential remote sense amplifier
  • D-CAP3™ control mode
  • Adaptive on-time control with 8 PMBus frequencies: 315kHz, 425kHz, 550kHz, 650kHz, 825kHz, 900kHz, 1.025MHz, 1.125MHz
  • Temperature compensated and programmable current limit with RILIM and OC clamp
  • Choice of hiccup or latch-off OVP or UVP
  • VDD UVLO External Adjustment by Precision EN
  • Prebias start-up support
  • Eco-mode and FCCM selectable
  • Full suite of fault protection and PGOOD
  • Standard VOUT_COMMAND and VOUT_MARGIN (HIGH and LOW)
  • Pin-strapping and on-the-fly programming
  • Fault reporting and warning
  • NVM backup for selected commands
  • 1MHz PMBus with PEC and SMB_ALRT#
  • Create a custom design using the TPS549B22 with the WEBENCH Power Designer

The TPS549B22 device is a compact single buck converter with adaptive on-time, D-CAP3 control mode. The device is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.

This device features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.

The TPS549B22 device is available in 7mm × 5mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).

The TPS549B22 device is a compact single buck converter with adaptive on-time, D-CAP3 control mode. The device is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.

This device features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.

The TPS549B22 device is available in 7mm × 5mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).

다운로드 스크립트와 함께 비디오 보기 동영상

관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀
TPS548B22 활성 차동 원격 감지를 지원하는 1.5V~18V, 25A 동기 SWIFT™ 벅 컨버터 Offers same functionality without PMBus.
TPS549D22 활성 차동 원격 감지 및 PMBus를 지원하는 1.5V~16V, 40A 동기 SWIFT™ 벅 컨버터 Higher current equivalent.

설계 및 개발

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

평가 보드

TPS549B22EVM-847 — TPS549B22 DCAP3 고성능, 25A 단일 동기 스텝다운 컨버터 평가 모듈

The TPS549B22EVM-847 is designed to help the user easily evaluate and test the operation and functionality of the TPS549B22 buck converter. The EVM converts a 1.5-V to 18-V input voltage to a regulated 1.0-V output voltage that delivers up to 25 A in a 5-mm x 7-mm QFN package. This board has test (...)

사용 설명서: PDF | HTML
TI.com에서 구매 불가
시뮬레이션 모델

TPS549B22 PSpice Transient Model

SNVMBB5.ZIP (237 KB) - PSpice Model
패키지 CAD 기호, 풋프린트 및 3D 모델
LQFN-CLIP (RVF) 40 Ultra Librarian

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

지원 및 교육

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