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Non-inverting MOSFET gate driver

TC4420 Internal Circuitry

Explore the internal circuitry and functional stages of TC4420.

Package view

Inside TC4420

Compact functional stages inside the IC body.

TC4420 functional cutaway with LOGIC INPUT, LEVEL SHIFT + PREDRIVE, PUSH-PULL OUTPUT, DUPLICATED CONTACTS.
Functional explanation, not a transistor-level schematic or physical die layout.

Explore the circuit

Select a stage to see its role and connections

Input

A valid logic input selects the output state.

Control

The driver sources gate charge to turn a low-side MOSFET on.

Output

It sinks gate charge to turn the MOSFET off quickly.

Component view