홈 전력 관리 DC/DC 스위칭 레귤레이터 DC/DC 컨버터
홈
전력 관리
DC/DC 스위칭 레귤레이터
DC/DC 컨버터

TPS56520

활성

전압 스케일링이 가능한 17V 입력, 5A 동기 스텝다운 레귤레이터

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데이터 시트

TPS56520

활성
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제품 상세 정보

Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 17 Vin (min) (V) 4.5 Vout (max) (V) 1.87 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Enable, Forced PWM, I2C, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO Fixed, Voltage Margining Control mode D-CAP2 Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00092 Duty cycle (max) (%) 80
Rating Catalog Topology Buck Iout (max) (A) 5 Vin (max) (V) 17 Vin (min) (V) 4.5 Vout (max) (V) 1.87 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Enable, Forced PWM, I2C, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO Fixed, Voltage Margining Control mode D-CAP2 Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00092 Duty cycle (max) (%) 80
HTSSOP (PWP) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • D-CAP2™ Control
    • Input Voltage Range: 4.5V to 17V
    • Switching Frequency: 500kHz
    • Optimized for a 1.0µH to 2.2µH Inductor
  • ±1% Output Voltage Accuracy
  • Features via I2C Compatible Interface
    • Output Voltage (VID): 0.6V to 1.87V in 10mV
    • Auto-Skip Eco-mode™ ON/OFF (Light-load)
    • Current Limit Target: 40% to 160%
    • Enabling IC, Reading-back Power-good
    • Hiccup Mode Protection ON/OFF
  • IC Terminal Features
    • Start-up by Using External Resistors
      Output Voltage with VFB Pin: 0.6V to 1.87V
    • Adjustable Soft-start,
      Monotonic Pre-Biased Start-up
    • Power-good
    • I2C Address Programming (2bits)
  • Cycle-by-Cycle Overcurrent Limiting Control
  • Thermal Shutdown (TSD)
  • Undervoltage Lockout (UVLO)
  • TSSOP Package (PWP) with PowerPAD™
  • D-CAP2™ Control
    • Input Voltage Range: 4.5V to 17V
    • Switching Frequency: 500kHz
    • Optimized for a 1.0µH to 2.2µH Inductor
  • ±1% Output Voltage Accuracy
  • Features via I2C Compatible Interface
    • Output Voltage (VID): 0.6V to 1.87V in 10mV
    • Auto-Skip Eco-mode™ ON/OFF (Light-load)
    • Current Limit Target: 40% to 160%
    • Enabling IC, Reading-back Power-good
    • Hiccup Mode Protection ON/OFF
  • IC Terminal Features
    • Start-up by Using External Resistors
      Output Voltage with VFB Pin: 0.6V to 1.87V
    • Adjustable Soft-start,
      Monotonic Pre-Biased Start-up
    • Power-good
    • I2C Address Programming (2bits)
  • Cycle-by-Cycle Overcurrent Limiting Control
  • Thermal Shutdown (TSD)
  • Undervoltage Lockout (UVLO)
  • TSSOP Package (PWP) with PowerPAD™

The TPS56X20 is a synchronous DC-DC converter IC (integrated circuit) with a voltage scaling control to power up micro-processors (MCUs) requiring core voltage (VCORE) tune-ups. After the initial power-up, the output voltage can be programmed/scaled by VID codes sent over an I2C compatible bus.

This step-down (buck) converter employs an adaptive on-time D-CAP2 mode control which provides a very fast transient response with no external components. Unlike traditional voltage-/current-mode controls, the D-CAP2 supports seamless transition between PWM mode for higher load and Eco-mode™ for light load. Eco-mode maintains high efficiency in light-load.

The TPS56X20 supports both ultra-low ESR ceramic capacitors and low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP. The device is optimized for a small 1.0µH to 2.2µH inductor saving PCB area.

The TPS56X20 devices are available in the HTSSOP package.

The TPS56X20 is a synchronous DC-DC converter IC (integrated circuit) with a voltage scaling control to power up micro-processors (MCUs) requiring core voltage (VCORE) tune-ups. After the initial power-up, the output voltage can be programmed/scaled by VID codes sent over an I2C compatible bus.

This step-down (buck) converter employs an adaptive on-time D-CAP2 mode control which provides a very fast transient response with no external components. Unlike traditional voltage-/current-mode controls, the D-CAP2 supports seamless transition between PWM mode for higher load and Eco-mode™ for light load. Eco-mode maintains high efficiency in light-load.

The TPS56X20 supports both ultra-low ESR ceramic capacitors and low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP. The device is optimized for a small 1.0µH to 2.2µH inductor saving PCB area.

The TPS56X20 devices are available in the HTSSOP package.
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기술 자료

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2개 모두 보기
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* 데이터 시트 TPS56x20 4.5V to 17V Input, 12A/9A/7A/5A Output, Synchronous Step-Down Voltage Regulator with Voltage Scaling datasheet (Rev. E) PDF | HTML 2017. 12. 27
애플리케이션 노트 A Practical Approach to Higher Output Voltage Applications for I2C Based DC/DC C 2017. 4. 21

설계 및 개발

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평가 보드

TPS56C20EVM-614 — TPS56X20 5A/7A/9A/12A 동기 스텝다운 컨버터 평가 모듈

The TPS56X20EVM-614 is an evaluation module for TPS56X20 series Step-Down voltage regulator family. This board supports four different output current converters TPS56520 (5A), TPS56720 (7A), TPS56920 (9A), and TPS56C20 (12A); the board is shipped with 12A version TPS56C20 mounted. By replacing IC (...)

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시뮬레이션 모델

TPS56520 IBIS Model

SLVMBV8.ZIP (29 KB) - IBIS 모델
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시뮬레이션 모델

TPS56520 PSpice Transient Model

SLVMA67.ZIP (108 KB) - PSpice 모델
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패키지 핀 CAD 기호, 풋프린트 및 3D 모델
HTSSOP (PWP) 20 Ultra Librarian
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