전원 관리 AC/DC 및 DC/DC 컨버터(통합 FET)

TPS65283-1

활성

4.5V~18V 입력, 3.5A/2.5A, 동기 듀얼 벅 컨버터(Eco-mode 지원)

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Iout (max) (A) 3.5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 600 Features Adjustable current limit, Enable, Frequency synchronization, Light-load efficiency, Power good, Soft-start fixed, Synchronous rectification, UVLO adjustable Vout (min) (V) 0.6 Vout (max) (V) 16 Iq (typ) (µA) 500
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Iout (max) (A) 3.5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 600 Features Adjustable current limit, Enable, Frequency synchronization, Light-load efficiency, Power good, Soft-start fixed, Synchronous rectification, UVLO adjustable Vout (min) (V) 0.6 Vout (max) (V) 16 Iq (typ) (µA) 500
VQFN (RGE) 24 16 mm² 4 x 4
  • Buck Converter
    • Wide input voltage range 4.5 to 18 V
    • Integrated dual buck converter, maximum continuous current 3.5 A (Buck1) / 2.5 A (Buck2)
    • Feedback reference voltage 0.6 V ±1%
    • Adjustable switching frequency 200 kHz to
      2 MHz
    • Internal built soft start time 2.4 ms
    • External clock synchronization
    • Cycle-by-cycle current limit
    • Power good indicator for each buck
    • Continuous current mode (TPS65283) or pulse skipping mode (PSM) (TPS65283-1) at light load
  • Power distribution switch
    • Integrated a power distribution switch with on-resistance 60 mΩ
    • Operating input voltage range 2.4 to 6 V
    • Adjustable current limiting up to 2.7 A
    • Current-limit accuracy ±10% at 1.25 A (typical)
    • Auto recovery overcurrent protection
    • Reverse input to output voltage protection
    • Overtemperature protection
    • 24-lead VQFN (RGE) 4-mm × 4-mm package
  • Buck Converter
    • Wide input voltage range 4.5 to 18 V
    • Integrated dual buck converter, maximum continuous current 3.5 A (Buck1) / 2.5 A (Buck2)
    • Feedback reference voltage 0.6 V ±1%
    • Adjustable switching frequency 200 kHz to
      2 MHz
    • Internal built soft start time 2.4 ms
    • External clock synchronization
    • Cycle-by-cycle current limit
    • Power good indicator for each buck
    • Continuous current mode (TPS65283) or pulse skipping mode (PSM) (TPS65283-1) at light load
  • Power distribution switch
    • Integrated a power distribution switch with on-resistance 60 mΩ
    • Operating input voltage range 2.4 to 6 V
    • Adjustable current limiting up to 2.7 A
    • Current-limit accuracy ±10% at 1.25 A (typical)
    • Auto recovery overcurrent protection
    • Reverse input to output voltage protection
    • Overtemperature protection
    • 24-lead VQFN (RGE) 4-mm × 4-mm package

The TPS65283, TPS65283-1 in thermally-enhanced 4-mm × 4-mm VQFN package is a full featured
4.5- to 18-V Vin, 3.5-A/2.5-A output current synchronous step down DC-DC converter, which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. The device also incorporates one N-channel MOSFET power switches for power distribution systems. This device provides a total power distribution solution, where precision current limiting and fast protection response are required.

The 60-mΩ independent power distribution switch limits the output current to a programmable current limit threshold by using an external resistor. The current limit accuracy can be achieved as tight as ±10% at typical 1.25 A. The nFAULT output asserts low under overcurrent and reverse-voltage conditions.

Constant frequency peak current mode control in DC-DC converter simplifies the compensation and optimizes transient response. Cycle-by-cycle overcurrent protection and operating in hiccup mode limit MOSFET power dissipation during buck output short circuit or over loading conditions. When die temperature exceeds thermal over loading threshold, the overtemperature protection shuts down the device.

The TPS65283, TPS65283-1 in thermally-enhanced 4-mm × 4-mm VQFN package is a full featured
4.5- to 18-V Vin, 3.5-A/2.5-A output current synchronous step down DC-DC converter, which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. The device also incorporates one N-channel MOSFET power switches for power distribution systems. This device provides a total power distribution solution, where precision current limiting and fast protection response are required.

The 60-mΩ independent power distribution switch limits the output current to a programmable current limit threshold by using an external resistor. The current limit accuracy can be achieved as tight as ±10% at typical 1.25 A. The nFAULT output asserts low under overcurrent and reverse-voltage conditions.

Constant frequency peak current mode control in DC-DC converter simplifies the compensation and optimizes transient response. Cycle-by-cycle overcurrent protection and operating in hiccup mode limit MOSFET power dissipation during buck output short circuit or over loading conditions. When die temperature exceeds thermal over loading threshold, the overtemperature protection shuts down the device.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀
TPS65283 활성 FCCM 모드의 4.5V~18V 입력, 3.5A/2.5A, 동기 듀얼 벅 컨버터 Same functionality, pint-to-pin but PWM mode

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
1개 모두 보기
유형 직함 날짜
* Data sheet TPS65283, TPS65283-1 4.5-V to 18-V Input Voltage, Maximum 3.5-A and 2.5-A Current, Synchronous Dual Buck Converter With Power Distribution Switch datasheet (Rev. E) PDF | HTML 2019/01/27

설계 및 개발

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

평가 보드

TPS65283EVM-646 — TPS65283EVM 평가 모듈

The TPS65283EVM-646 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS65283. The max DC output current of this EVM is 3.5A and 2.5A. -The EVM contains input and output connectors as well as control jumpers to ease evaluation of device features. -It also has EN1, (...)

사용 설명서: PDF
TI.com에서 구매 불가
패키지 CAD 기호, 풋프린트 및 3D 모델
VQFN (RGE) 24 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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