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.

Features

  • 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

Description

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

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Load switch IC 1 2.7 to 28 V External MOSFET Driver IC, WCSP6E
Small Low ON resistance MOSFETs 2 N-ch MOSFET, 30 V, 15 A, 0.0089 Ω@10V, SOT-1220(UDFN6B)

Related Documents

We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.

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