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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS62825A

現行

採用 1.5-mm × 1.5-mm VSON-HR 封裝，且具有強制 PWM 的 2.4-V 至 5.5-V 輸入、2-A 降壓轉換器

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產品規格表

TPS62825A

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 2.4 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 2200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.6 Vout (max) (V) 4 Iq (typ) (µA) 4 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 2.4 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 2200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.6 Vout (max) (V) 4 Iq (typ) (µA) 4 Duty cycle (max) (%) 100
VSON-HR (DMQ) 6 2.25 mm² 1.5 x 1.5
  • Available as an integrated-inductor power module: TPSM82821, TPSM82822, and TPSM82823
  • DCS-Control topology
  • 1% feedback or output voltage accuracy (full temperature range)
  • Up to 97% efficiency
  • 26mΩ and 25mΩ internal power MOSFETs
  • 2.4V to 5.5V input voltage range
  • 4µA operating quiescent current
  • 2.2MHz switching frequency
  • 0.6V to 4V adjustable output voltage
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Active output discharge
  • Power-good output
  • Thermal shutdown protection
  • Hiccup short-circuit protection
  • A forced-PWM version for CCM operation
  • Create a custom design using the TPS6282x with the WEBENCH Power Designer
  • Available as an integrated-inductor power module: TPSM82821, TPSM82822, and TPSM82823
  • DCS-Control topology
  • 1% feedback or output voltage accuracy (full temperature range)
  • Up to 97% efficiency
  • 26mΩ and 25mΩ internal power MOSFETs
  • 2.4V to 5.5V input voltage range
  • 4µA operating quiescent current
  • 2.2MHz switching frequency
  • 0.6V to 4V adjustable output voltage
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Active output discharge
  • Power-good output
  • Thermal shutdown protection
  • Hiccup short-circuit protection
  • A forced-PWM version for CCM operation
  • Create a custom design using the TPS6282x with the WEBENCH Power Designer

The TPS6282x is an easy-to-use, synchronous step-down DC/DC converters family with a very low quiescent current of only 4µA. Based on the DCS-Control topology, the device provides a fast transient response. The internal reference allows to regulate the output voltage down to 0.6V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The family devices are pin-to-pin and BOM-to-BOM compatible. The entire design requires a small 470nH inductor, a single 4.7µF input capacitor, and two 10µF or single 22µF output capacitor.

The TPS6282x is available in two flavors. The first includes an automatically entered power save mode to maintain high efficiency down to very light loads for extending the system battery run-time. The second runs in forced-PWM maintaining a continuous conduction mode to make sure of the least ripple in the output voltage and a quasi-fixed switching frequency. The device features a Power-Good signal and an internal soft-start circuit. The device is able to operate in 100% mode. For fault protection, the device incorporates a HICCUP short-circuit protection as well as a thermal shutdown. The device is available in a 6-pin 1.5mm × 1.5mm QFN package, offering the highest power density design.

The TPS6282x is an easy-to-use, synchronous step-down DC/DC converters family with a very low quiescent current of only 4µA. Based on the DCS-Control topology, the device provides a fast transient response. The internal reference allows to regulate the output voltage down to 0.6V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The family devices are pin-to-pin and BOM-to-BOM compatible. The entire design requires a small 470nH inductor, a single 4.7µF input capacitor, and two 10µF or single 22µF output capacitor.

The TPS6282x is available in two flavors. The first includes an automatically entered power save mode to maintain high efficiency down to very light loads for extending the system battery run-time. The second runs in forced-PWM maintaining a continuous conduction mode to make sure of the least ripple in the output voltage and a quasi-fixed switching frequency. The device features a Power-Good signal and an internal soft-start circuit. The device is able to operate in 100% mode. For fault protection, the device incorporates a HICCUP short-circuit protection as well as a thermal shutdown. The device is available in a 6-pin 1.5mm × 1.5mm QFN package, offering the highest power density design.
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TPS62825 現行 採用 1.5-mm x 1.5-mm QFN 封裝，具有 1% 準確度的 2.4-V 至 5.5-V 輸入、2-A 降壓轉換器 Pin-to-pin buck converter with automatic PWM/PFM mode
TPS62826A 現行 採用 1.5-mm×1.5-mm VSON-HR 封裝，且具有強制 PWM 的 2.4-V 至 5.5-V 輸入、3-A 降壓轉換器 Pin-compatible converter with higher output current (3 A).
功能相同，但引腳輸出與所比較的裝置不同
TPSM82822 現行 具有整合式電感器、採用 2 x 2.5 x 1.1 mm μSIP 封裝的 5.5V 輸入、2A 降壓模組 Module version with automatic PWM/PFM mode
功能與所比較的裝置相似
TPSM82821A 現行 採用 µSiP 封裝，且具有整合式電感器和強制 PWM 模式的 5.5-V 輸入、1-A 降壓轉換器 Module with integrated inductor alternative.

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類型 標題 日期
* Data sheet TPS6282x 2.4V to 5.5V Input, 1, 2, 3, 4A Step-Down Converter With 1% Output Accuracy datasheet (Rev. I) PDF | HTML 2024年 3月 11日
EVM User's guide TPS6282xAEVM-126 Evaluation Module (Rev. A) PDF | HTML 2021年 3月 24日
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power 2021年 3月 22日
Application brief Powering VCCINT_VCU Rail in Xilinx® Zynq®UltraScale+™ Family of Multiprocessors PDF | HTML 2020年 6月 8日
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 2019年 6月 14日
Technical article QFN soldering tips and tricks PDF | HTML 2018年 11月 26日
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 2018年 6月 22日
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 2017年 10月 24日
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 2016年 10月 24日
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 2015年 10月 30日

設計與開發

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開發板

TPS62825AEVM-126 — 具有 1% VOUT 準確度的 5.5-V 輸入、2-A 輸出、同步降壓轉換器評估模組

The TPS62825AEVM-126 evaluation module (EVM) is used to evaluate the TPS62825A. The TPS6282xA family of devices are easy-to-use synchronous stepdown DC/DC converters based on the DCS-Control™ topology; therefore, they provide a fast transient response. The internal reference allows to (...)
使用指南: PDF | HTML
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模擬型號

TPS62825A PSpice Unencrypted Transient Model

SLVMDH7.ZIP (323 KB) - PSpice Model
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參考設計

TIDA-010261 — 具有數據線供電能力的 10BASE-T1L 單對乙太網路感測器參考設計

此參考設計說明包含數據線供電能力 (PoDL) 的單對乙太網路 (SPE) 通訊後端實作。此設計使用 Sitara™ AM2434 MCU，在一側介接類比前端，並於另一側介接乙太網路實體 (PHY) 層。強大的 MCU 不僅可以將感測器資料轉送至乙太網路，還可以在邊緣進行資料處理。
Design guide: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
VSON-HR (DMQ) 6 Ultra Librarian
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