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MOSFET Driver IC Application and Circuit of the TCK401G

This reference design provides technical information on slew rate control, auto discharge and other built-in functions for designing load switch circuit suitable for USB-PD.

Battery charger circuit of MOSFET Driver IC application and circuit of the TCK401G.
Battery charger circuit
Slew rate control waveform of MOSFET Driver IC application and circuit of the TCK401G.
Slew rate control waveform


  • Can realize switch module combination with 30V Nch MOSFET
  • For mobile appication power management with USB connector
  • Back current protection feature and slew rate control circuit


  • Wide input voltage range: VIN = 2.7 to 28V
  • Auto output discharge function
  • Charge pump for VGATE
  • Inrush current suppression circuit
  • Overvoltage lockout (≥28V)
  • Undervoltage lockout (≤2.7V)
  • Protection against reverse current from external back-to-back MOSFETs

Reference design files

Design, Document

“Design・Document” contains the documents listed below.

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Design, File

“Design・File” contains the contents listed below.

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Toshiba items

Part Number Device Category Portion Usage Description
TCK401G* Driver IC 1 VIN=7~28V/Inrush current reduction / Output discharge /WCSP6E
* : New product


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