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DC/DC 轉換器

TPS544B20

現行

具 PMBus 可編程性與監控功能的 4.5-V 至 18-V 20-A 同步 SWIFT™ 降壓轉換器

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產品規格表

TPS544B20

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 20 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, Voltage Margining Control mode D-CAP, D-CAP2 Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.008 Duty cycle (max) (%) 80
Rating Catalog Topology Buck Iout (max) (A) 20 Vin (max) (V) 18 Vin (min) (V) 4.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Over Current Protection, PMBus, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, Voltage Margining Control mode D-CAP, D-CAP2 Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.008 Duty cycle (max) (%) 80
LQFN-CLIP (RVF) 40 35 mm² (7 mm × 5 mm)
  • PMBus-Enabled Converters: 20 A, 30 A
  • 4.5-V to 18-V input, 0.6-V to 5.5-V Output
  • 5 mm × 7 mm LQFN Package with 0.5-mm Pitch
  • Single Thermal Pad
  • Integrated 4.5-mΩ and 2.0-mΩ Stacked NexFET™ Power Stage
  • 600-mV, 0.5% Reference
  • Lossless, Low-Side MOSFET Current Sensing
  • Selectable D-CAP™ and D-CAP2™ Mode Control
  • Differential Remote Sensing
  • Monotonic Start-Up into Pre-Biased Output
  • Output Voltage Margin and Trim
  • Output Voltage and Output Current Reporting
  • External Temperature Monitoring with 2N3904
  • Programmable via PMBus
    • Overcurrent Protection
    • UVLO, Soft-Start
    • PGOOD, OV, UV, OT Levels
    • Fault Responses
    • Turn-On and Turn-Off Delays
  • Thermal Shutdown
  • Pin Compatible 20-A, 30-A Converters
  • PMBus-Enabled Converters: 20 A, 30 A
  • 4.5-V to 18-V input, 0.6-V to 5.5-V Output
  • 5 mm × 7 mm LQFN Package with 0.5-mm Pitch
  • Single Thermal Pad
  • Integrated 4.5-mΩ and 2.0-mΩ Stacked NexFET™ Power Stage
  • 600-mV, 0.5% Reference
  • Lossless, Low-Side MOSFET Current Sensing
  • Selectable D-CAP™ and D-CAP2™ Mode Control
  • Differential Remote Sensing
  • Monotonic Start-Up into Pre-Biased Output
  • Output Voltage Margin and Trim
  • Output Voltage and Output Current Reporting
  • External Temperature Monitoring with 2N3904
  • Programmable via PMBus
    • Overcurrent Protection
    • UVLO, Soft-Start
    • PGOOD, OV, UV, OT Levels
    • Fault Responses
    • Turn-On and Turn-Off Delays
  • Thermal Shutdown
  • Pin Compatible 20-A, 30-A Converters

The TPS544B20 and TPS544C20 devices are PMBus compatible, non-isolated DC-DC Integrated FET converters, capable of high-frequency operation and delivering 20-A , or 30-A current output from a 5 mm × 7 mm package, enabling high-power density and fast transient performance with minimal PCB area. The PMBus interface provides for converter configuration as well as monitoring of key parameters including output voltage, current and an optional external temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high-density power solutions and reduced inductor and filter capacitor sizes. Response to fault conditions can be set to either restart or latch off depending on system requirements.

The TPS544B20 and TPS544C20 devices are PMBus compatible, non-isolated DC-DC Integrated FET converters, capable of high-frequency operation and delivering 20-A , or 30-A current output from a 5 mm × 7 mm package, enabling high-power density and fast transient performance with minimal PCB area. The PMBus interface provides for converter configuration as well as monitoring of key parameters including output voltage, current and an optional external temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high-density power solutions and reduced inductor and filter capacitor sizes. Response to fault conditions can be set to either restart or latch off depending on system requirements.
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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 TPS544x20 4.5-V to 18-V, 20-A, and 30-A SWIFT Synchronous Buck Converters with PMBus datasheet (Rev. B) PDF | HTML 2016/4/29
應用說明 DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications (Rev. A) PDF | HTML 2021/5/4
應用說明 Point-of-Load Solutions for Data Center App Implementing VR13.HC Vccin Spec (Rev. A) PDF | HTML 2020/1/8
應用說明 Programming the NVM of PMBus Buck Converters to Support Mass-Production Needs (Rev. B) 2019/5/13
應用說明 Practical Tips to Get Accurate Readouts 2018/6/12
應用說明 SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 2016/2/22
Product overview TPS544B20 and TPS544C20 Quick Reference Guide 2015/11/9
技術文章 Select the correct PMBus POL solution for your application PDF | HTML 2015/8/3
技術文章 Control your power device with PMBus™ PDF | HTML 2015/6/12
技術文章 How to tighten PMBus output current measurement accuracy PDF | HTML 2015/6/5
類比設計期刊 System telemetry: What, why and how? 2014/4/11
應用說明 D-CAP(TM) Mode With All-Ceramic Output Capacitor Application 2011/2/3

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

TPS544B20EVM-634 — 具備 PMBus™ 與電壓、電流、溫度遙測技術的 20A D-CAP/D-CAP2 SWIFT™ 轉換器

TPS544B20EVM-634 的設計旨在幫助使用者輕鬆評估及測試 TPS544B20 降壓轉換器的運作及功能。EVM 將 4.5V 至 18V 輸入電壓轉換為穩定的 1.0V 輸出電壓，可在 5mm x 7mm QFN 封裝中提供高達 20A 的電流。此板上的輸出電壓可設定容差範圍，並可使用 Fusion Digital Power™ Designer 透過 PMBus 進行微調。

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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驅動程式或資料庫

PMBUSSW-LINUX — 適用於 PMBUS 的 Linux 驅動程式

The Linux driver supports PMBus controlled Buck Controllers. The Linux driver supports communication through the PMBus and interfaces with the HWMon framework.

 

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:

  • tps40400
  • tps40422
  • tps544b20
  • tps544b25
  • (...)
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模擬型號

TPS544B20 PSpice Transient Model

SLUM540.ZIP (85 KB) - PSpice 模型
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模擬型號

TPS544C20 IBIS MODEL

SLVMBI2.ZIP (19 KB) - IBIS 模型
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
LQFN-CLIP (RVF) 40 Ultra Librarian
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