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Load Switch IC TCK301G, TCK302G, TCK303G Application & Circuit

Load Switch IC TCK301G, TCK302G, TCK303G Application & Circuit

Main switch of a rapid-charging circuit
Main switch of a rapid-charging circuit
Vout and Iout waveforms
Vout and Iout waveforms

Description

  • 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

Features

  • 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.)

Reference design files

Design, Document

“Design・Document” contains the documents listed below.

Name Date

Design, File

“Design・File” contains the contents listed below.

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Toshiba items

Part Number Device Category Portion Usage Description
TCK30xG* Load Switch IC 1 VIN=2.3~28V/Inrush current reduction /Slew rate control/WCSP9
DF2S23P2CTC* TVS Diode 1 VESD ±30kV(max)/IPP=14A(max)/VBR=24.1V(typ)/CST2C
* : New product

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