전원 관리 AC/DC 및 DC/DC 컨버터(통합 FET)

TPS54526

활성

Eco-Mode™를 지원하는 4.5V~18V 입력, 5.5A 동기 스텝다운 컨버터

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 5.5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Light Load Efficiency, Power good, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP2 Vout (min) (V) 0.76 Vout (max) (V) 5.5 Iq (typ) (µA) 900 Duty cycle (max) (%) 95
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 5.5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Light Load Efficiency, Power good, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP2 Vout (min) (V) 0.76 Vout (max) (V) 5.5 Iq (typ) (µA) 900 Duty cycle (max) (%) 95
HTSSOP (PWP) 14 32 mm² 5 x 6.4 VQFN (RSA) 16 16 mm² 4 x 4
  • 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 5.5 V
  • Highly efficient integrated FETs optimized for lower duty cycle applications – 63 mΩ (high side) and 33 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
  • Power good output
  • 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 5.5 V
  • Highly efficient integrated FETs optimized for lower duty cycle applications – 63 mΩ (high side) and 33 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
  • Power good output
  • Auto-skip Eco-mode™ for high efficiency at light load

The TPS54526 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54526 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54526 uses the D-CAP2™ mode control which provides a very 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 TPS54526 to maintain high efficiency during lighter load conditions. The TPS54526 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP, 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 0.76V and 5.5V. The device also features an adjustable soft start time and a power good function. The TPS54526 is available in the 14-pin HTSSOP package and the 16 pin QFN package, designed to operate from –40°C to 85°C.

The TPS54526 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54526 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54526 uses the D-CAP2™ mode control which provides a very 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 TPS54526 to maintain high efficiency during lighter load conditions. The TPS54526 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP, 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 0.76V and 5.5V. The device also features an adjustable soft start time and a power good function. The TPS54526 is available in the 14-pin HTSSOP package and the 16 pin QFN package, 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 동일한 기능을 지원하는 핀 대 핀
TPS54429E 활성 Eco-Mode를 지원하는 7V~18V 입력, 4.5A 동기형 스텝 다운 DCAP2 모드 컨버터 This product offers lower current (4.5 A).
TPS54626 활성 HTSSOP 패키지의 4.5V~18V, 6.5A 동기 벅 컨버터(eco-mode 지원) This product offers higher current (6.5 A).
비교 대상 장치와 유사한 기능
TPS565242 활성 SOT-563 패키지의 3V~16V 입력 전압, 5A 에코 모드, 동기 벅 컨버터 This product has a smaller package with 5A current
TPS566242 활성 SOT-563 패키지의 3V~16V 입력 전압, 6A 에코 모드, 동기 벅 컨버터 This product has smaller package, simplified design, and offers 6A current

기술 자료

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4개 모두 보기
유형 직함 날짜
* Data sheet TPS54526 4.5-V to 18-V Input, 5.5-A Synchronous Step-Down Converter with Eco-mode™ datasheet (Rev. D) PDF | HTML 2021/04/07
EVM User's guide TPS54526 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 2021/08/26
Selection guide SWIFT DC/DC Converters Selector Guide (Rev. G) 2019/02/06
Application note D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On- 2013/01/02

설계 및 개발

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평가 보드

TPS54526EVM-608 — TPS54526 평가 모듈

The TPS54526EVM-608 evaluation module (EVM) helps designers evaluate the performance of the TPS54526 Synchronous Step-Down Converter with D-CAP2™ Mode and Auto-Skip Eco-Mode. The EVM is a single, synchronous buck converter providing a 1.05 V output at 5.5 A from a 4.5-V to 18-V input. Terminal (...)
사용 설명서: PDF | HTML
TI.com에서 구매 불가
시뮬레이션 모델

TPS54526 PSpice Transient Model

SLVM593.ZIP (93 KB) - PSpice Model
시뮬레이션 모델

TPS54526 TINA-TI Transient Reference Design

SLVM950.TSC (610 KB) - TINA-TI Reference Design
시뮬레이션 모델

TPS54526 TINA-TI Transient Spice Model

SLVM951.ZIP (42 KB) - TINA-TI Spice Model
패키지 CAD 기호, 풋프린트 및 3D 모델
HTSSOP (PWP) 14 Ultra Librarian
VQFN (RSA) 16 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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