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AC/DC & DC/DC converters (integrated FET)

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

Iout (max) (A) 12 Vin (min) (V) 1.5 Vin (max) (V) 18 Topology Buck Type Converter Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 1000 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Enable, Light Load Efficiency, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable, Voltage Margining Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00135
Iout (max) (A) 12 Vin (min) (V) 1.5 Vin (max) (V) 18 Topology Buck Type Converter Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 1000 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Enable, Light Load Efficiency, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO adjustable, Voltage Margining Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.00135
VQFN-CLIP (RVE) 28 15.75 mm² 4.5 x 3.5
  • 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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類型 標題 日期
* Data sheet TPS53915 1.5 to 18-V (4.5 to 25-V Bias) Input, 12-A Synchronous Step-Down SWIFT™ Converter With PMBus™ datasheet (Rev. B) PDF | HTML 2014年 12月 8日
User guide TPS53915 Step-Down Converter Evaluation Module User's Guide (Rev. C) PDF | HTML 2021年 11月 8日
Application note DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications (Rev. A) PDF | HTML 2021年 5月 4日
Selection guide Buck Converter Quick Reference Guide (Rev. B) 2021年 4月 8日
Application note Point-of-Load Solutions for Data Center App Implementing VR13.HC Vccin Spec (Rev. A) PDF | HTML 2020年 1月 8日
Selection guide SWIFT DC/DC Converters Selector Guide (Rev. G) 2019年 2月 6日
Application note Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 2017年 1月 25日
Application note Accuracy-Enhanced Ramp-Generation Design for D-CAP3 Modulation (Rev. A) 2016年 4月 25日
Application note SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 2016年 2月 22日
White paper Choosing the Right Variable Frequency Buck Regulator Control Strategy 2015年 10月 2日
Technical article Select the correct PMBus POL solution for your application PDF | HTML 2015年 8月 3日
Application note Not All Jitter Is Created Equal (Rev. A) 2015年 7月 4日
Technical article D-CAP3 – A sequel better than the original PDF | HTML 2015年 5月 7日
Application note D-CAP(TM) Mode With All-Ceramic Output Capacitor Application 2011年 2月 3日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

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™ graphical user interface (GUI) software is used to configure and monitor select Texas Instruments digital power controllers and sequencer/health monitors. The application uses the PMBus protocol to communicate with the device over serial bus by way of a TI USB adapter.
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模擬型號

TPS53915 PSpice Transient Model

SLUM411.ZIP (129 KB) - PSpice Model
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模擬型號

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

SLUM412A.TSC (235 KB) - TINA-TI Reference Design
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模擬型號

TPS53915 TINA-TI Steady State Transient Reference Design

SLUM556.TSC (239 KB) - TINA-TI Reference Design
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模擬型號

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

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

SLURB03 — TPS53513 TPS53515 TPS53915 Excel Calculator and Layout Checklist

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產品
AC/DC & DC/DC converters (integrated FET)
TPS53513 — 1.5-V 至 18-V，8-A 同步 SWIFT™ 降壓轉換器 TPS53515 — 1.5-V 至 18-V，12-A 同步 SWIFT™ 降壓轉換器 TPS53915 — 具 PMBus 的 1.5-V 至 18-V、12-A 同步 SWIFT™ 降壓轉換器
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參考設計

PMP10961 — 12V 輸入 1.2V/10A 高功率密度、PMBus 降壓式 DC-DC 轉換器參考設計

The PMP10961 is a high power density, 10A buck converter with PMBus interface. The layout is optimized for small form factor utilizing both sides of board and fits in a 0.6"x0.78" area. It enables 86.5% efficiency at 10Vin, 1.2V/10Aout, 400kHz. Due to DCAP3 control mode, it also provides fast load (...)
Test report: PDF
電路圖: PDF
參考設計

PMP9703 — 適用於企業儲存裝置 SSD ASIC 控制器的 PMBus 控制電壓穩壓器參考設計

The PMP9703 reference design uses the TPS53915 12A PMBus SWIFT step down converter to provide complete voltage regulation, and system protection of an Enterprise Storage SSD Controller ASIC typically used to control and expand traffic flow in/out of SSDs. The output voltage can be dynamically (...)
Test report: PDF
電路圖: PDF
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