TPS57040-Q1

正在供貨

具有 Eco-Mode? 的汽車類 3.5V 至 42V、500mA 降壓轉換器

可提供此產品的更新版本

open-in-new 比較替代產品
功能與比較器件相同，但引腳排列有所不同
LMR34206-Q1 正在供貨 4.2V 至 42V、0.6A 超小型同步降壓轉換器 Spread spectrum and wettable flank QFN packaging.

產品詳情

Rating Automotive Topology Buck Iout (max) (A) 0.5 Vin (max) (V) 42 Vin (min) (V) 3.5 Vout (max) (V) 39 Vout (min) (V) 0.8 Features Adjustable soft start, Enable, Frequency synchronization, Light-load efficiency, Power good, UVLO adjustable Control mode current mode Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Operating temperature range (°C) -40 to 125 Iq (typ) (μA) 116 Duty cycle (max) (%) 100 Type Converter
Rating Automotive Topology Buck Iout (max) (A) 0.5 Vin (max) (V) 42 Vin (min) (V) 3.5 Vout (max) (V) 39 Vout (min) (V) 0.8 Features Adjustable soft start, Enable, Frequency synchronization, Light-load efficiency, Power good, UVLO adjustable Control mode current mode Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Operating temperature range (°C) -40 to 125 Iq (typ) (μA) 116 Duty cycle (max) (%) 100 Type Converter
HVSSOP (DGQ) 10 14.7 mm2 3 x 4.9 VSON (DRC) 10 9 mm2 3 x 3
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • 3.5-V to 42-V Input Voltage Range
  • 200-mΩ High-Side MOSFET
  • High Efficiency at Light Loads with a Pulse
    Skipping Eco-mode? Control Scheme
  • 116-μA Operating Quiescent Current
  • 1.5-μA Shutdown Current
  • 100-kHz to 2.5-MHz Switching Frequency
  • Synchronizes to External Clock
  • Adjustable Slow Start/Sequencing
  • Undervoltage and Overvoltage Power-good Output
  • Adjustable Undervoltage Lockout Voltage and Hysteresis
  • 0.8-V Internal Voltage Reference
  • Supported by SwitcherPro? Software Tool
    (http://focus.ti.com/docs/toolsw/folders/print/switcherpro.html)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • 3.5-V to 42-V Input Voltage Range
  • 200-mΩ High-Side MOSFET
  • High Efficiency at Light Loads with a Pulse
    Skipping Eco-mode? Control Scheme
  • 116-μA Operating Quiescent Current
  • 1.5-μA Shutdown Current
  • 100-kHz to 2.5-MHz Switching Frequency
  • Synchronizes to External Clock
  • Adjustable Slow Start/Sequencing
  • Undervoltage and Overvoltage Power-good Output
  • Adjustable Undervoltage Lockout Voltage and Hysteresis
  • 0.8-V Internal Voltage Reference
  • Supported by SwitcherPro? Software Tool
    (http://focus.ti.com/docs/toolsw/folders/print/switcherpro.html)

The TPS57040-Q1 device is a 42-V 0.5-A step-down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load, input supply current to 116 µA. Using the enable pin, shutdown supply current is reduced to 1.5 µA, when the enable pin is low.

Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power-good signal indicates the output is within 92% to 109% of its nominal voltage.

A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

The TPS57040-Q1 is available in a 10-pin thermally enhanced MSOP PowerPAD™ package (DGQ) and a 10-pin SON package (DRC).

The TPS57040-Q1 device is a 42-V 0.5-A step-down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load, input supply current to 116 µA. Using the enable pin, shutdown supply current is reduced to 1.5 µA, when the enable pin is low.

Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power-good signal indicates the output is within 92% to 109% of its nominal voltage.

A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

The TPS57040-Q1 is available in a 10-pin thermally enhanced MSOP PowerPAD™ package (DGQ) and a 10-pin SON package (DRC).
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類型 標題 下載最新的英語版本 日期
* 數據表 TPS57040-Q1 0.5-A 42-V Step-Down DC-DC Converter With Eco-mode? 數據表 (Rev. D) PDF | HTML 2014年 12月 23日
應用手冊 Passing CISPR25 Radiated Emissions Using the TPS54160-Q1 (Rev. A) 2019年 5月 23日
應用手冊 Interfacing TPS57xxx-Q1 and TPS65320-Q1 Family Devices With Low Impendence Exter 2015年 12月 8日
應用手冊 TPS54xxx-Q1 and TPS57xxx-Q1 Devices EMC Performance Comparison Study 2015年 11月 17日
應用手冊 TPS54xx0-Q1 and TPS57xx0-Q1 Pin Open and Short Test Results (Rev. B) 2015年 11月 3日
應用手冊 Design Considerations for DC-DC Converters in Fast-Input Slew Rate Applications 2015年 3月 5日

設計和開發

如需其他信息或資源，請點擊以下任一標題進入詳情頁面查看（如有）。

仿真模型

TPS57040-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM815A.ZIP (77 KB) - PSpice Model
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計算工具

TPS54-57XX0-CALC — TPS54xx0-Q1 and TPS57xx0-Q1 Design Calculation Tool

This worksheet is designed for use with Microsoft Excel 2002 or later. It intends to assist circuit designers in their day-to-day calculations

This worksheet includes two sections:

  • Recommendations: Calculates the maximum requirements for different components to guarantee the input voltage, output (...)
支持的產品和硬件

支持的產品和硬件

產品
AC/DC 和 DC/DC 轉換器（集成 FET）
TPS54240-Q1 — 具有 Eco-Mode? 的汽車類 3.5V 至 42V、2.5A 降壓轉換器 TPS54260-Q1 — 具有 Eco-Mode? 的汽車類 3.5V 至 60V、2.5A 降壓轉換器 TPS57040-Q1 — 具有 Eco-Mode? 的汽車類 3.5V 至 42V、500mA 降壓轉換器 TPS57060-Q1 — 具有 Eco-Mode? 的汽車類 3.5V 至 60V、500mA 降壓轉換器 TPS57140-EP — 具有 Eco-mode? 控制方案的 TPS57140-EP 1.5A、42V 降壓直流/直流轉換器 TPS57140-Q1 — 具有 Eco-Mode? 的汽車類 3.5V 至 42V、1.5A 降壓轉換器 TPS57160-Q1 — 具有 Eco-Mode? 的汽車類 3.5V 至 60V、1.5A 降壓轉換器
封裝 引腳 CAD 符號、封裝和 3D 模型
HVSSOP (DGQ) 10 Ultra Librarian
VSON (DRC) 10 Ultra Librarian

訂購和質量

包含信息：
  • RoHS
  • REACH
  • 器件標識
  • 引腳鍍層/焊球材料
  • MSL 等級/回流焊峰值溫度
  • MTBF/時基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續可靠性監測
包含信息：
  • 制造廠地點
  • 封裝廠地點

推薦產品可能包含與 TI 此產品相關的參數、評估模塊或參考設計。

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