전력 관리 AC/DC 및 DC/DC 컨트롤러(외장 FET)

TPS51117

활성

저부하 효율성을 지원하는 1.8~28V, 동기형 D-CAP 벅 컨트롤러

이 제품의 최신 버전이 있습니다

open-in-new 대안 비교
비교 대상 장치와 유사한 기능
TPS51388 활성 조정식 출력을 지원하는 4.5V~24V 입력, 12A 동기형 벅 컨버터 Higher Efficiency and integrated FETs for smaller solution size

제품 상세 정보

Rating Catalog Topology Buck Iout (max) (A) 10 Vin (max) (V) 28 Vin (min) (V) 1.8 Vout (max) (V) 5.5 Vout (min) (V) 0.76 Control mode D-CAP Features Enable, Power good, Prebias startup, Synchronous rectification Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 400 Duty cycle (max) (%) 95 Number of phases 1
Rating Catalog Topology Buck Iout (max) (A) 10 Vin (max) (V) 28 Vin (min) (V) 1.8 Vout (max) (V) 5.5 Vout (min) (V) 0.76 Control mode D-CAP Features Enable, Power good, Prebias startup, Synchronous rectification Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 400 Duty cycle (max) (%) 95 Number of phases 1
TSSOP (PW) 14 32 mm² 5 x 6.4 VQFN (RGY) 14 12.25 mm² 3.5 x 3.5
  • High Efficiency, Low Power Consumption, 4.5-µA
    Typical Shutdown Current
  • Fixed Frequency Emulated On-Time Control,
    Adjustable from 100 kHz to 550 kHz
  • D-CAP™ Mode With 100-ns Load Step Response
  • < 1% Initial Reference Accuracy
  • Output Voltage Range: 0.75 V to 5.5 V
  • Wide Input Voltage Range: 1.8 V to 28 V
  • Selectable Auto-Skip/PWM-Only Operation
  • Temperature Compensated (4500 ppm/°C)
    Low-Side RDS(on) Overcurrent Sensing
  • Negative Overcurrent Limit
  • Integrated Boost Diode
  • Integrated OVP/UVP and Thermal Shutdown
  • Powergood Signal
  • Internal 1.2-ms Voltage Soft-Start
  • Integrated Output Discharge (Soft-Stop)
  • APPLICATIONS
    • Notebook Computers
    • I/O Supplies
    • System Power Supplies

All other trademarks are the property of their respective owners

  • High Efficiency, Low Power Consumption, 4.5-µA
    Typical Shutdown Current
  • Fixed Frequency Emulated On-Time Control,
    Adjustable from 100 kHz to 550 kHz
  • D-CAP™ Mode With 100-ns Load Step Response
  • < 1% Initial Reference Accuracy
  • Output Voltage Range: 0.75 V to 5.5 V
  • Wide Input Voltage Range: 1.8 V to 28 V
  • Selectable Auto-Skip/PWM-Only Operation
  • Temperature Compensated (4500 ppm/°C)
    Low-Side RDS(on) Overcurrent Sensing
  • Negative Overcurrent Limit
  • Integrated Boost Diode
  • Integrated OVP/UVP and Thermal Shutdown
  • Powergood Signal
  • Internal 1.2-ms Voltage Soft-Start
  • Integrated Output Discharge (Soft-Stop)
  • APPLICATIONS
    • Notebook Computers
    • I/O Supplies
    • System Power Supplies

All other trademarks are the property of their respective owners

The TPS51117 device is a cost-effective, synchronous buck controller for POL voltage regulation in notebook PC applications. The controller is dedicated for the operation of the Adaptive On-Time D-CAP mode. This mode provides ease-of-use, low external component count, and fast transient response. Auto-skip mode for high efficiency down to the milliampere load range, or PWM-only mode for low-noise operation is selectable.

The current-sensing scheme for positive overcurrent and negative overcurrent protection is loss-less low-side RDS(on) sensing plus temperature compensation. The device receives a 5-V (4.5 V to 5.5 V) supply from another regulator such as the TPS51120 or TPS51020. The conversion input can be either VBAT or a 5-V rail, ranging from 1.8 V to 28 V, and the output voltage range is from 0.75 V to 5.5 V.

The TPS51117 is available in a 14-pin VQFN or a 14-pin TSSOP package and is specified from –40°C to 85°C.

The TPS51117 device is a cost-effective, synchronous buck controller for POL voltage regulation in notebook PC applications. The controller is dedicated for the operation of the Adaptive On-Time D-CAP mode. This mode provides ease-of-use, low external component count, and fast transient response. Auto-skip mode for high efficiency down to the milliampere load range, or PWM-only mode for low-noise operation is selectable.

The current-sensing scheme for positive overcurrent and negative overcurrent protection is loss-less low-side RDS(on) sensing plus temperature compensation. The device receives a 5-V (4.5 V to 5.5 V) supply from another regulator such as the TPS51120 or TPS51020. The conversion input can be either VBAT or a 5-V rail, ranging from 1.8 V to 28 V, and the output voltage range is from 0.75 V to 5.5 V.

The TPS51117 is available in a 14-pin VQFN or a 14-pin TSSOP package and is specified from –40°C to 85°C.

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기술 자료

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2개 모두 보기
유형 직함 날짜
* Data sheet TPS51117 Single Synchronous Step-Down Controller datasheet (Rev. C) PDF | HTML 2015/05/15
User guide TPS51117 Buck Controller Evaluation Module User's Guide (Rev. B) PDF | HTML 2022/02/01

설계 및 개발

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시뮬레이션 모델

TPS51117 TINA-TI Transient Reference Design (Rev. C)

SLVJ002C.TSC (403 KB) - TINA-TI Reference Design
시뮬레이션 모델

TPS51117 TINA-TI Transient Spice Model (Rev. A)

SLVM020A.ZIP (35 KB) - TINA-TI Spice Model
시뮬레이션 모델

TPS51117 Unencrypted PSpice Transient Model Package (Rev. D)

SLVJ001D.ZIP (43 KB) - PSpice Model
패키지 CAD 기호, 풋프린트 및 3D 모델
TSSOP (PW) 14 Ultra Librarian
VQFN (RGY) 14 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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지원 및 교육

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