TPS62A02

現行

採用 SOT563 和 SOT23 封裝的 2.5V 至 5.5V 輸入,2A 高效率降壓轉換器

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) 2.5 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 2400 Switching frequency (max) (kHz) 2400 Features Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode COT Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 23, 23000 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 2400 Switching frequency (max) (kHz) 2400 Features Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode COT Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 23, 23000 Duty cycle (max) (%) 100
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8 SOT-5X3 (DRL) 6 2.56 mm² 1.6 x 1.6
  • 2.5V to 5.5V input voltage range
  • 0.6V to VIN adjustable output voltage range
  • 180mΩ/120mΩ low RDSON switches (1A DRL)
  • 100mΩ/67mΩ low RDSON switches (1A DDC, 2A)
  • < 23µA quiescent current
  • 1% feedback accuracy (0°C to 125°C)
  • 100% mode operation
  • 2.4MHz switching frequency
  • Power save mode or PWM option available
  • Power-good output pin (optional)
  • Short-circuit protection (HICCUP)
  • Internal soft start-up
  • Active output discharge
  • Thermal shutdown protection
  • Pin-to-pin compatible with the TLV62585 (DRL)
  • Pin-to-pin compatible with the TLV62569 (DDC)
  • 2.5V to 5.5V input voltage range
  • 0.6V to VIN adjustable output voltage range
  • 180mΩ/120mΩ low RDSON switches (1A DRL)
  • 100mΩ/67mΩ low RDSON switches (1A DDC, 2A)
  • < 23µA quiescent current
  • 1% feedback accuracy (0°C to 125°C)
  • 100% mode operation
  • 2.4MHz switching frequency
  • Power save mode or PWM option available
  • Power-good output pin (optional)
  • Short-circuit protection (HICCUP)
  • Internal soft start-up
  • Active output discharge
  • Thermal shutdown protection
  • Pin-to-pin compatible with the TLV62585 (DRL)
  • Pin-to-pin compatible with the TLV62569 (DDC)

The TPS62A0x family of devices are synchronous step-down buck DC/DC converters optimized for high efficiency and compact design size. The devices integrate switches capable of delivering an output current up to 2A. At medium to heavy loads, the devices operate in pulse width modulation (PWM) mode with 2.4MHz switching frequency. At light load, the devices automatically enter power save mode (PSM) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is minimal as well. The TPS62A0xA variants of this device family operate in forced PWM across the whole load current range.

The TPS62A0x devices provide an adjustable output voltage through an external resistor divider. An internal soft-start circuit limits the inrush current during start-up. Other features like overcurrent protection, thermal shutdown protection, and power good (optional) are built-in. The devices are available in a SOT563 and SOT23-6 package.

The TPS62A0x family of devices are synchronous step-down buck DC/DC converters optimized for high efficiency and compact design size. The devices integrate switches capable of delivering an output current up to 2A. At medium to heavy loads, the devices operate in pulse width modulation (PWM) mode with 2.4MHz switching frequency. At light load, the devices automatically enter power save mode (PSM) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is minimal as well. The TPS62A0xA variants of this device family operate in forced PWM across the whole load current range.

The TPS62A0x devices provide an adjustable output voltage through an external resistor divider. An internal soft-start circuit limits the inrush current during start-up. Other features like overcurrent protection, thermal shutdown protection, and power good (optional) are built-in. The devices are available in a SOT563 and SOT23-6 package.

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類型 標題 日期
* Data sheet TPS62A0x, TPS62A0xA, and TPS62A02Nx 1A, 2A, High-Efficiency, Synchronous Buck Converters in a SOT-563 and a SOT-23 Package datasheet (Rev. E) PDF | HTML 2024年 6月 10日
Certificate TPS62A02NAEVM-084 EU Declaration of Conformity (DoC) 2024年 7月 10日
Application note Power Rails Design for Battery Powered Camera and Video Doorbell PDF | HTML 2023年 5月 25日
EVM User's guide TPS62A02 and TPS62A02A Step-Down Converter Evaluation Module User's Guide PDF | HTML 2022年 5月 25日
Certificate TPS62A02EVM-197 EU RoHS Declaration of Conformity (DoC) 2022年 5月 4日
Application note How to Measure Impedance of a Power Distribution Network of a DC-DC Converter PDF | HTML 2022年 1月 20日
Application note Loop Gain Reconstruction of a Step-Down Converter from Output Impedance PDF | HTML 2022年 1月 20日

設計與開發

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開發板

TPS62A02EVM-197 — 5.5-V、2-A 輸出、1% 回饋準確度同步降壓轉換器評估模組

TPS62A02EVM-197 評估模組 (EVM) 有助於評估採用 1.6-mm x 1.6-mm SOT563 封裝、高度為 0.6-mm、具 1% 回饋準確度之 2.0-A 降壓式轉換器的 TPS62A02。EVM 將 2.5-V 至 5.5-V 輸入電壓轉換成 1.8-V 的穩壓輸出電壓。該電路佔用 42.3-mm² 具最大高度 1.5-mm。

使用指南: PDF | HTML
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開發板

TPS62A02PEVM-018 — TPS62A02 評估模組

TPS62A0xPEVM-018 和 TPS62A0xAPEVM-018 可幫助評估採用 2.9mm × 2.8-mm SOT23-6 封裝的 TPS62A0xP 和 TPS62A0xAP 系列的 1A 和 2A 降壓式轉換器。評估模組可將 2.5V 轉換為 5.5V 輸入電壓,並維持所需的輸出電壓調節。
使用指南: PDF | HTML
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模擬型號

TPS62A02 PSpice Unencrypted Transient Model

SLUM827.ZIP (295 KB) - PSpice Model
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23-THN (DDC) 6 Ultra Librarian
SOT-5X3 (DRL) 6 Ultra Librarian

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  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊:
  • 晶圓廠位置
  • 組裝地點

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