Single-Output High-Side N-Channel Power MOSFET Gate Driver Application and Circuit of the TPD7104AF

This reference design provides examples of application circuit and simulation for TPD7104AF which features short load protection, reverse power connection protection and others.

Short circuit detection circuit block diagram of single-output High-Side N-Channel Power MOSFET Gate Driver application and circuit of the TPD7104AF.
Power supply reverse protection circuit block diagram of single-output High-Side N-Channel Power MOSFET Gate Driver application and circuit of the TPD7104AF.

Features

  • Solid state relay application with two pairs of TPD7104AF and TKR74F04PB
  • Input voltage : 12V
  • Maximum load current : 40A
  • Load short circuit(over current) detection function
  • Power supply reverse connection protection function

Description

  • Introduction of solid state relay application with TPD7104AF and power MOSFET
  • Description of the load short circuit(over current) detection function and the power supply reverse connection protection function
  • Design example of 40A capable solid state relay application
  • Operation confirmation by spice simulation

Design Documents

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Design Data

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Used Toshiba Items

Part Number Device Category Portion Usage Description
Intelligent power device (High side power-MOSFET driver with built-in charge pump) 2 Automotive Gate driver for High-side switch, PS-8
Power MOSFET (N-ch single 30V<VDSS≤60V) 2 N-ch MOSFET, 40 V, 250 A, 0.00074 Ω@10V, TO-220SM(W)

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