Load Switch IC TCK301G, TCK302G, TCK303G Application & Circuit

This reference design provides example circuit of the load switch with low on resistance and built-in in-rush current control function. It is suitable for battery used application.

Main switch of a rapid-charging circuit of load switch IC TCK301G, TCK302G, TCK303G application & circuit.

特性

  • Small package: 0.5 mm pitch WCSP9 ( 1.5 mm x 1.5 mm, t: 0.5 mm (Typ.)) , PD = 1.65 W
  • High input voltage: VIN (Max) = 28 V
  • High output current: IOUT (DC) = 3.0 A
  • Low ON resistance : RON = 73 mΩ (Typ.) at VIN = 4.5 V, IOUT = - 1.0 A
  • Inrush current reducing circuit ( slew rate control )
  • Over voltage lockout circuit : 6.6 V at 301G, 10.5 V at 302G, and 15.5 V at 303G (Typ.)
  • Under voltage lockout circuit: 2.9 V (Typ.)

說明

  • Operation and application of the slew rate control circuitry designed for inrush current limiting
  • Main switches of USB PD-enabled rapid-charging circuits for electronic devices with USB Type-C™ ports
  • Main switches of 5- to 12-V power supply input circuits that support various modes of rapid charging and wireless power transfer
  • Switches for the power management of systems requiring power-saving modes

Download overview material for solution

Vout and Iout waveforms of load switch IC TCK301G, TCK302G, TCK303G application & circuit.
Vout and Iout waveforms

設計文件

供設計人員使用的材料，例如電路操作概述和設計注意事項的解釋。請點擊每個選項以查看內容。

設計數據

提供可載入到EDA工具中的電路資料、PCB佈局資料以及PCB製造中使用的資料。來自多個工具供應商的可用格式。您可以使用喜歡的工具來自由的編輯它。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
ESD protection diode (standard type, single) 1 Unidirectional TVS Diode (ESD Protection Diode), 21 V, SOD-963(CST2C)

相關文件

我們提供有助於設計和考慮類似電路的材料，例如已安裝產品的應用說明。請點擊每個選項以查看內容。

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