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DC/DC 轉換器

TPS53915

現行

具 PMBus 的 1.5-V 至 18-V、12-A 同步 SWIFT™ 降壓轉換器

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產品規格表

TPS53915

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 12 Vin (max) (V) 18 Vin (min) (V) 1.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Adjustable soft start, Enable, Light-load efficiency, Overcurrent protection, PMBus, Power good, Prebias startup, Synchronous rectification, UVLO adjustable, Voltage Margining Control mode D-CAP3 Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00135 Duty cycle (max) (%) 80
Rating Catalog Topology Buck Iout (max) (A) 12 Vin (max) (V) 18 Vin (min) (V) 1.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Adjustable soft start, Enable, Light-load efficiency, Overcurrent protection, PMBus, Power good, Prebias startup, Synchronous rectification, UVLO adjustable, Voltage Margining Control mode D-CAP3 Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00135 Duty cycle (max) (%) 80
VQFN-CLIP (RVE) 28 15.75 mm² (4.5 mm × 3.5 mm)
  • Integrated 13.8- and 5.9-mΩ MOSFETs Support
    12-A Continuous Output Current
  • Adjustments Available Through PMBus™
    • Voltage Margin and Adjustment
    • Soft-Start Time
    • Power-On Delay
    • VDD UVLO Level
    • Fault Reporting
    • Switching Frequency
    • Supports All Ceramic Output Capacitors
    • Reference Voltage 600 mV ±0.5% Tolerance
    • Output Voltage Range: 0.6 V to 5.5 V
    • D-CAP3™ Control Mode With Fast Load-Step
      Response
    • Auto-Skipping Eco-Mode™ for High Light-
      Load Efficiency
    • FCCM for Tight Output Ripple and Voltage
      Requirements
    • Eight Selectable Frequency Settings from
      200 kHz to 1 MHz
    • 3.5 mm × 4.5 mm, 28-Pin, QFN Package
  • Integrated 13.8- and 5.9-mΩ MOSFETs Support
    12-A Continuous Output Current
  • Adjustments Available Through PMBus™
    • Voltage Margin and Adjustment
    • Soft-Start Time
    • Power-On Delay
    • VDD UVLO Level
    • Fault Reporting
    • Switching Frequency
    • Supports All Ceramic Output Capacitors
    • Reference Voltage 600 mV ±0.5% Tolerance
    • Output Voltage Range: 0.6 V to 5.5 V
    • D-CAP3™ Control Mode With Fast Load-Step
      Response
    • Auto-Skipping Eco-Mode™ for High Light-
      Load Efficiency
    • FCCM for Tight Output Ripple and Voltage
      Requirements
    • Eight Selectable Frequency Settings from
      200 kHz to 1 MHz
    • 3.5 mm × 4.5 mm, 28-Pin, QFN Package

The TPS53915 is a small-sized, synchronous buck converter with an adaptive on-time D-CAP3 control mode. The device offers ease-of-use and low external-component count for space-conscious power systems.

This device features high-performance integrated MOSFETs, accurate 0.5% 0.6-V reference, and an integrated boost switch. Competitive features include very-low external-component count, fast load-transient response, auto-skip mode operation, internal soft-start control, and no requirement for compensation. The device also features programmability and fault report via PMBus™ to simplify the power supply design.

A forced continuous conduction mode helps meet tight voltage regulation accuracy requirements for performance DSPs and FPGAs. The TPS53915 is available in a 28-pin QFN package and is specified from –40°C to 85°C ambient temperature.

The TPS53915 is a small-sized, synchronous buck converter with an adaptive on-time D-CAP3 control mode. The device offers ease-of-use and low external-component count for space-conscious power systems.

This device features high-performance integrated MOSFETs, accurate 0.5% 0.6-V reference, and an integrated boost switch. Competitive features include very-low external-component count, fast load-transient response, auto-skip mode operation, internal soft-start control, and no requirement for compensation. The device also features programmability and fault report via PMBus™ to simplify the power supply design.

A forced continuous conduction mode helps meet tight voltage regulation accuracy requirements for performance DSPs and FPGAs. The TPS53915 is available in a 28-pin QFN package and is specified from –40°C to 85°C ambient temperature.
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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 1.5 to 18 V (4.5 to 25 V bias) Input, 12-A Single Synchronous Step-Down SWIFT™ datasheet (Rev. B) PDF | HTML 2014/12/8
應用說明 DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications (Rev. A) PDF | HTML 2021/5/4
選擇指南 Buck Converter Quick Reference Guide (Rev. B) 2021/4/8
應用說明 Point-of-Load Solutions for Data Center App Implementing VR13.HC Vccin Spec (Rev. A) PDF | HTML 2020/1/8
選擇指南 SWIFT DC/DC Converters Selector Guide (Rev. G) 2019/2/6
應用說明 Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 2017/1/25
應用說明 Accuracy-Enhanced Ramp-Generation Design for D-CAP3 Modulation (Rev. A) 2016/4/25
應用說明 SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 2016/2/22
白皮書 Choosing the Right Variable Frequency Buck Regulator Control Strategy 2015/10/2
技術文章 Select the correct PMBus POL solution for your application PDF | HTML 2015/8/3
應用說明 Not All Jitter Is Created Equal (Rev. A) 2015/7/4
技術文章 D-CAP3 – A sequel better than the original PDF | HTML 2015/5/7
應用說明 D-CAP(TM) Mode With All-Ceramic Output Capacitor Application 2011/2/3

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開發板

TPS53915EVM-587 — TPS53915EVM-587 單同步降壓轉換器評估模組

The TPS53915EVM-587 is designed to help the user easily evaluate and test the operation and functionality of the TPS53915 buck converter. The EVM converts a 1.5-V to 18-V input voltage to a regulated 1.2-V output voltage that delivers up to 12 A in a 4.5x3.5mm QFN package. This board includes (...)

使用指南: PDF | HTML
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應用軟體及架構

FUSION_DIGITAL_POWER_DESIGNER — 數位電源軟體

Fusion Digital Power™ 圖形使用者介面 (GUI) 軟體用於配置和監控選擇的德州儀器數位電源控制器和序列器/健康狀態監控器。該應用程式使用 PMBus 協定，透過 TI USB 轉接器經由序列匯流排與裝置通訊。

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模擬型號

TPS53915 PSpice Transient Model

SLUM411.ZIP (129 KB) - PSpice 模型
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模擬型號

TPS53915 TINA-TI Startup Transient Reference Design (Rev. A)

SLUM412A.TSC (235 KB) - TINA-TI 參考設計
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模擬型號

TPS53915 TINA-TI Steady State Transient Reference Design

SLUM556.TSC (239 KB) - TINA-TI 參考設計
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模擬型號

TPS53915 TINA-TI Transient Spice Model (Rev. A)

SLUM413A.ZIP (77 KB) - TINA-TI Spice 模型
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計算工具

SLURB03 — TPS53513 TPS53515 TPS53915 Excel Calculator and Layout Checklist

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN-CLIP (RVE) 28 Ultra Librarian
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