홈 전원 관리 AC/DC & DC/DC converters (integrated FET)
홈
전원 관리
AC/DC & DC/DC converters (integrated FET)

TPS54418

활성

2.95V~6V 입력, 4A 동기형 스텝다운 SWIFT™ 컨버터

지금 주문
데이터시트

이 제품의 최신 버전이 있습니다

open-in-new 대안 비교
비교 대상 장치와 유사한 기능
TPS62865 활성 1.5mm × 2.5mm QFN 패키지의 2.4V~5.5V 입력, 4A 동기 스텝다운 컨버터 Next generation of 4-A PoL buck.

TPS54418

활성
데이터시트 지금 주문

제품 상세 정보

Iout (max) (A) 4 Vin (min) (V) 2.95 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 4.5 Rating Catalog Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.00035
Iout (max) (A) 4 Vin (min) (V) 2.95 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 4.5 Rating Catalog Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.00035
WQFN (RTE) 16 9 mm² 3 x 3
  • Two, 30-mΩ (typical) MOSFETs for High-Efficiency at 4-A loads
  • Switching Frequency: 200 kHz to 2 MHz
  • Voltage Reference Over Temperature: 0.8 V ± 1%
  • Synchronizes to External Clock
  • Adjustable Soft Start/Sequencing
  • UV and OV Power-Good Output
  • Low Operating and Shutdown Quiescent Current
  • Safe Start-Up into Prebiased Output
  • Cycle-by-Cycle Current Limit, Thermal and Frequency Foldback Protection
  • Operating Junction Temperature Range: –40°C to 150°C
  • Thermally Enhanced 3 mm × 3 mm 16-pin WQFN Package
  • Create a Custom Design Using the TPS54418 With the WEBENCH® Power Designer
  • Two, 30-mΩ (typical) MOSFETs for High-Efficiency at 4-A loads
  • Switching Frequency: 200 kHz to 2 MHz
  • Voltage Reference Over Temperature: 0.8 V ± 1%
  • Synchronizes to External Clock
  • Adjustable Soft Start/Sequencing
  • UV and OV Power-Good Output
  • Low Operating and Shutdown Quiescent Current
  • Safe Start-Up into Prebiased Output
  • Cycle-by-Cycle Current Limit, Thermal and Frequency Foldback Protection
  • Operating Junction Temperature Range: –40°C to 150°C
  • Thermally Enhanced 3 mm × 3 mm 16-pin WQFN Package
  • Create a Custom Design Using the TPS54418 With the WEBENCH® Power Designer

TheTPS54418 device is a full-featured, 6-V, 4-A, synchronous, step-down current-mode converter with two integrated MOSFETs.

The TPS54418 device enables small designs by integrating the MOSFETs, implementing current mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the device footprint with a small, 3 mm x 3 mm, thermally enhanced, QFN package.

The TPS54418 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated 30-mΩ MOSFETs and a 350-µA typical supply current. Using the EN pin, shutdown supply current is reduced to 2 µA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output voltage startup ramp is controlled by the soft-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage. Frequency foldback and thermal shutdown protects the device during an overcurrent condition.

For more SWIFT™ documentation, see the TI website at www.ti.com/swift.

TheTPS54418 device is a full-featured, 6-V, 4-A, synchronous, step-down current-mode converter with two integrated MOSFETs.

The TPS54418 device enables small designs by integrating the MOSFETs, implementing current mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the device footprint with a small, 3 mm x 3 mm, thermally enhanced, QFN package.

The TPS54418 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated 30-mΩ MOSFETs and a 350-µA typical supply current. Using the EN pin, shutdown supply current is reduced to 2 µA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output voltage startup ramp is controlled by the soft-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage. Frequency foldback and thermal shutdown protects the device during an overcurrent condition.

For more SWIFT™ documentation, see the TI website at www.ti.com/swift.

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기술 문서

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모두 보기11
유형 직함 날짜
* Data sheet TPS54418 2.95-V to 6-V Input, 4-A Output, 2-MHz, Synchronous Step-Down SWIFT™ Converter datasheet (Rev. E) PDF | HTML 2018/04/06
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 2024/03/25
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 2021/07/26
Selection guide Buck Converter Quick Reference Guide (Rev. B) 2021/04/08
Application note Calculating Efficiency (Rev. A) 2020/03/06
Application note Solve Point-of-Load Power Design Challenges: Single Board Computer Applications 2018/08/24
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
Application note Not All Jitter Is Created Equal (Rev. A) 2015/07/04
Application note Understanding Thermal Dissipation and Design of a Heatsink 2011/05/04
Application note Designing Type III Compensation for Current Mode Step-Down Converters (Rev. A) 2010/09/15
EVM User's guide TPS54418EVM-375 4-A, SWIFT™ Regulator Evaluation 2009/05/19

설계 및 개발

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

평가 보드

TPS54418EVM-375 — TPS54418 3.3V 입력, 1.8V 출력, 4A SWIFT™ 평가 모듈

The TPS54418EVM-375 evaluation module is designed to demonstrate the small printed-circuit-board areas that may be achieved when designing with the TPS54418 regulator. The TPS54418 dc/dc converter is designed to provide up to a 4A output from an input voltage source of2.95V to 6V. Rated input (...)
사용 설명서: PDF
TI.com에서 구매할 수 없습니다
시뮬레이션 모델

TPS54418 TINA-TI Average Reference Design

SLVM588.TSC (239 KB) - TINA-TI Reference Design
다운로드
시뮬레이션 모델

TPS54418 TINA-TI Average Spice Model (Rev. A)

SLVM587A.ZIP (7 KB) - TINA-TI Spice Model
다운로드
시뮬레이션 모델

TPS54418 Unencrypted PSpice Average Model Package (Rev. A)

SLVM584A.ZIP (22 KB) - PSpice Model
다운로드
시뮬레이션 모델

TPS54418 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM036B.ZIP (44 KB) - PSpice Model
다운로드
계산 툴

TPS54620DESIGN-CALC — TPS54620 and TPS54XXX Current-Mode Step-Down Converter Design Calculator

The Design Calculator Plus Application Note (SLVA352A) Calculator Tool calculates the critical external component values for the TPS54620/TPS54622/TPS54521/TPS54320/TPS54618/TPS54418/TPS54318/TPS54218/TPS54319. The calculator includes power stage design, feature design and Type II and Type III (...)
지원되는 제품 및 하드웨어

지원되는 제품 및 하드웨어

제품
AC/DC & DC/DC converters (integrated FET)
TPS54218 — 2.95V~6V 입력, 2A 동기형 스텝다운 SWIFT™ 컨버터 TPS54318 — 2.95V~6V 입력, 3A 동기형 스텝다운 SWIFT™ 컨버터 TPS54319 — 3mm x 3mm QFN 패키지, 2.95V~6V 입력, 3A, 2MHz SWIFT™ 동기형 스텝다운 컨버터 TPS54320 — 4.5V~17V 입력, 3A 동기형 스텝다운 SWIFT™ 컨버터 TPS54418 — 2.95V~6V 입력, 4A 동기형 스텝다운 SWIFT™ 컨버터 TPS54521 — 17V 입력, 5A 동기형 스텝다운 컨버터 TPS54618 — 2.95~6V 입력, 6A, 동기형 스텝다운 SWIFT™ 컨버터 TPS54620 — 4.5V~17V, 6A 동기형 SWIFT™ 벅 컨버터 TPS54622 — 히컵 전류 제한을 지원하는 4.5V~17V, 6A 동기형 SWIFT™ 벅 컨버터 TPS54821 — 4.5V~17V, 8A 동기 벅 컨버터(히컵 전류 제한 지원) TPS56921 — VID 제어를 지원하는 4.5V~17V, 9A 동기형 벅 컨버터
하드웨어 개발
평가 보드
TPS54418EVM-375 — TPS54418 3.3V 입력, 1.8V 출력, 4A SWIFT™ 평가 모듈 TPS54620EVM-374 — TPS54620 8V~17V, 6A SWIFT™ 컨버터 평가 모듈
소프트웨어
계산 툴
TPS54620DESIGN-CALC — TPS54620 및 TPS54XXX 전류 모드 스텝다운 컨버터 설계 계산기
다운로드
패키지 핀 다운로드
WQFN (RTE) 16 옵션 보기
TI의 평가 항목에 대한 표준 약관이 적용됩니다.

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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