전원 관리 DC/DC 전력 모듈 벅 모듈(통합 인덕터)

TPSM828512

활성

2.7V~6V, 2A 저잡음 스텝다운 모듈, QFN 패키지 내 일체형 인덕터 포함

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 125 Type Converter Iout (max) (A) 2 Vin (min) (V) 2.7 Vin (max) (V) 6 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 4000 Switching frequency (max) (kHz) 1800 Features 1% accuracy, Enable, Forced PWM, Frequency synchronization, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable Control mode current mode Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Type Converter Iout (max) (A) 2 Vin (min) (V) 2.7 Vin (max) (V) 6 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 4000 Switching frequency (max) (kHz) 1800 Features 1% accuracy, Enable, Forced PWM, Frequency synchronization, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable Control mode current mode Duty cycle (max) (%) 100
QFN-FCMOD (RDY) 9 8.1 mm² 2.7 x 3
  • 2.7-V to 6-V input voltage range
  • 0.6-V to 5.5-V output voltage range
  • Family of 0.5-A, 1-A and 2-A devices
  • 20-µA typical quiescent current
  • ±1% feedback voltage accuracy (PWM operation)
  • 2.25-MHz switching frequency (PWM operation)
  • 1.8-MHz to 4-MHz external synchronization
  • Selectable forced PWM or PFM/PWM operation
  • Adjustable soft start-up to 10 ms or tracking
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle mode
  • Active output discharge
  • Power-good output with window comparator
  • –40°C to 125°C operating temperature range
  • 2.7-mm × 3.0-mm QFN package with 0.5-mm pitch
  • 2.7-V to 6-V input voltage range
  • 0.6-V to 5.5-V output voltage range
  • Family of 0.5-A, 1-A and 2-A devices
  • 20-µA typical quiescent current
  • ±1% feedback voltage accuracy (PWM operation)
  • 2.25-MHz switching frequency (PWM operation)
  • 1.8-MHz to 4-MHz external synchronization
  • Selectable forced PWM or PFM/PWM operation
  • Adjustable soft start-up to 10 ms or tracking
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle mode
  • Active output discharge
  • Power-good output with window comparator
  • –40°C to 125°C operating temperature range
  • 2.7-mm × 3.0-mm QFN package with 0.5-mm pitch

TPSM82851x is a family of pin-to-pin compatible, 0.5-A, 1-A, and 2-A high-efficiency and easy to use synchronous step-down DC/DC power modules with integrated inductors. The devices are based on a fixed-frequency peak current-mode control topology and they can be used in telecommunication, test and measurement, and medical applications with high power density and ease of use requirements. Low resistance switches allow up to 2-A continuous output current at high ambient temperatures. The switching frequency is internally fixed at 2.25 MHz and can also be synchronized to an external clock in the range from 1.8 MHz to 4 MHz. In PFM/PWM mode, the TPSM82851x automatically enters power save mode at light loads to maintain high efficiency across the whole load range. The TPSM82851x provides a 1% feedback voltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy. The SS/TR pin sets the start-up time or tracks the output voltage to an external source. This feature allows external sequencing of different supply rails and limits the inrush current during start-up.

TPSM82851x is a family of pin-to-pin compatible, 0.5-A, 1-A, and 2-A high-efficiency and easy to use synchronous step-down DC/DC power modules with integrated inductors. The devices are based on a fixed-frequency peak current-mode control topology and they can be used in telecommunication, test and measurement, and medical applications with high power density and ease of use requirements. Low resistance switches allow up to 2-A continuous output current at high ambient temperatures. The switching frequency is internally fixed at 2.25 MHz and can also be synchronized to an external clock in the range from 1.8 MHz to 4 MHz. In PFM/PWM mode, the TPSM82851x automatically enters power save mode at light loads to maintain high efficiency across the whole load range. The TPSM82851x provides a 1% feedback voltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy. The SS/TR pin sets the start-up time or tracks the output voltage to an external source. This feature allows external sequencing of different supply rails and limits the inrush current during start-up.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀
신규 TPSM828511 활성 2.7V~6V, 1A 저잡음 스텝다운 모듈, QFN 패키지 내 일체형 인덕터 포함 Lower output current alternative.

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
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3개 모두 보기
유형 직함 날짜
* Data sheet TPSM82851x 2.7-V to 6-V Input, 0.5-A/1-A/2-A Step-Down Power Module With Integrated Inductor datasheet PDF | HTML 2023/11/08
Certificate TPSM828512EVM EU Declaration of Conformity (DoC) 2023/06/15
EVM User's guide TPSM82851xEVM Evaluation Module User's Guide PDF | HTML 2023/06/13

설계 및 개발

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

평가 보드

TPSM828512EVM — 통합 인덕터를 지원하는 2.7V~6V, 2A 스텝다운 컨버터 TPSM828512 평가 보드

TPSM828512 평가 모듈(EVM)은 2.7mm × 3mm × 2mm 오버 몰디드 QFN 패키지의 TPSM828512, 2A 스텝다운 컨버터 전원 모듈의 평가를 지원합니다. EVM은 2.7V~6V 범위의 입력 전압으로 출력 전압을 1.8V로 조정합니다. TPSM828512 디바이스는 소형 솔루션 크기 및 고효율에 최적화된 동기식 스텝다운 컨버터입니다. 내부 보상 회로를 통해 소형 외부 부품이 있는 소형 솔루션이 가능합니다.

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

TPSM828512 PSpice Unencrypted Transient Model

SLUM913.ZIP (129 KB) - PSpice Model
패키지 CAD 기호, 풋프린트 및 3D 모델
QFN-FCMOD (RDY) 9 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

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