Gate Driver
In electronics, especially power electronics, a gate driver (MOSFET driver, IGBT driver or half-bridge driver) is a discrete or integrated electronic circuit that drives power switches such as MOSFETs or IGBTs.
A gate driver is a power amplifier that accepts a low-power input from a controller IC and produces a high-current drive input for the gate of a high-power transistor such as an IGBT or power MOSFET.
Gate drivers can be provided either on-chip or as a discrete module.
In essence, a gate driver consists of a level shifter in combination with an amplifier.
A gate driver IC serves as the interface between control signals (digital or analog controllers) and power switches (IGBTs, MOSFETs, SiC MOSFETs, and GaN HEMTs).
An integrated gate-driver solution reduces design complexity, development time, bill of material (BOM), and board space while improving reliability over discretely-implemented gate-drive solutions.
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