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TPS5430-Q1

現行

車用 5.5V 至 36V、500kHz 固定頻率 3A 降壓轉換器

現在提供此產品的更新版本

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功能相同,但針腳輸出與所比較的裝置不同。
LMR33630AP-Q1 現行 汽車 3.8-V 至 36-V、3-A 同步降壓轉換器 Smaller footprint, higher efficiency, lower IQ and lower EMI.

產品詳細資料

Rating Automotive Topology Buck Iout (max) (A) 3 Vin (max) (V) 36 Vin (min) (V) 5.5 Vout (max) (V) 31 Vout (min) (V) 1.22 Features Enable, Fixed soft start, Overcurrent protection Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.003 Duty cycle (max) (%) 89
Rating Automotive Topology Buck Iout (max) (A) 3 Vin (max) (V) 36 Vin (min) (V) 5.5 Vout (max) (V) 31 Vout (min) (V) 1.22 Features Enable, Fixed soft start, Overcurrent protection Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.003 Duty cycle (max) (%) 89
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm)
  • Qualified for automotive applications
  • Wide input voltage range: 5.5V to 36V
  • Up to 3A continuous (4A peak) output current
  • High efficiency up to 95% enabled by 100mΩ integrated MOSFET switch
  • Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
  • Internal compensation minimizes external parts count
  • Fixed 500kHz switching frequency for small filter size
  • Improved line regulation and transient response by input voltage feed forward
  • System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
  • –40°C to 125°C operating junction temperature range
  • Available in small thermally enhanced 8-pin SOIC PowerPAD™ integrated circuit package
  • Create a custom regulator design using the TPS5430-Q1 with the WEBENCH Power Designer
  • Qualified for automotive applications
  • Wide input voltage range: 5.5V to 36V
  • Up to 3A continuous (4A peak) output current
  • High efficiency up to 95% enabled by 100mΩ integrated MOSFET switch
  • Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
  • Internal compensation minimizes external parts count
  • Fixed 500kHz switching frequency for small filter size
  • Improved line regulation and transient response by input voltage feed forward
  • System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
  • –40°C to 125°C operating junction temperature range
  • Available in small thermally enhanced 8-pin SOIC PowerPAD™ integrated circuit package
  • Create a custom regulator design using the TPS5430-Q1 with the WEBENCH Power Designer

The TPS5430-Q1 is a high-output current PWM converter that integrates a low-resistance high side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage lockout (UVLO) circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the enable (ENA) pin, shutdown supply current is reduced to 15µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection (OVP), and thermal shutdown. To reduce design complexity and external component count, the TPS5430-Q1 feedback loop is internally compensated. The TPS5430-Q1 regulates a wide variety of power sources including 24V buses.

The TPS5430-Q1 device is available in a thermally enhanced, easy-to-use 8-pin SOIC PowerPAD integrated circuit package. TI provides evaluation modules and the WEBENCH software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

The TPS5430-Q1 is a high-output current PWM converter that integrates a low-resistance high side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage lockout (UVLO) circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the enable (ENA) pin, shutdown supply current is reduced to 15µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection (OVP), and thermal shutdown. To reduce design complexity and external component count, the TPS5430-Q1 feedback loop is internally compensated. The TPS5430-Q1 regulates a wide variety of power sources including 24V buses.

The TPS5430-Q1 device is available in a thermally enhanced, easy-to-use 8-pin SOIC PowerPAD integrated circuit package. TI provides evaluation modules and the WEBENCH software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

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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 TPS5430-Q1 Automotive, 3A, Wide-Input-Range Step-Down Converter datasheet (Rev. F) PDF | HTML 2026/4/15

設計與開發

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開發板

TPS5430EVM-173 — TPS5430 35V 輸入、5V 輸出、3A 評估模組

The TPS5430EVM-173 evaluation module allows the designer to evaluate the TPS5430 SWIFT DC/DC converter and is designed with external components to operate over a wide input voltage range. The input voltage range of this module is 9.0 V to 36 V and the output voltage is pre-set to (...)

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模擬型號

TPS5430 PSpice Transient Model

SLVMAC8.ZIP (359 KB) - PSpice 模型
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TPS5430 TINA-TI Transient Inverting Reference Design

SLVM096.TSC (2089 KB) - TINA-TI 參考設計
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TPS5430 TINA-TI Transient Spice Model

SLVM095.TSM (12 KB) - TINA-TI Spice 模型
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TPS5430 TINA-TI Transient Start-up 5V Buck Reference Design (Rev. A)

SLVM006 (25 KB) - TINA-TI 參考設計
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TPS5430 TINA-TI Transient Start-up LED Driver Reference Design (Rev. A)

SLVM008 (20 KB) - TINA-TI 參考設計
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TPS5430 Unencrypted PSpice Transient Model

SLVMCU8.ZIP (5 KB) - PSpice 模型
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
HSOIC (DDA) 8 Ultra Librarian

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