Three Phase Field Effect Transistor Pre-driver

The Evaluation Kit features the MC33937, a Field Effect Transistor (FET) pre-driver designed for three-phase motor control and similar applications. The integrated circuit (IC) uses SMARTMOS technology and contains three high side FET pre-drivers and three low side FET pre-drivers. Three external bootstrap capacitors provide gate charge to the high side FETs. The IC interfaces to a MCU via six direct input control signals, an SPI port for device setup and asynchronous reset, enable and interrupt signals. Both 5.0V and 3.0V logic level inputs are accepted and 5.0V logic level outputs are provided. This Evaluation kit may be used with the KITUSBSPIDGLEVME.

Fully specified from 8.0 to 40 V covers 12 and 24 V automotive systems

Extended operating range from 6.0 to 58 V covers 12 and 42 V systems

Greater than 1.0 A gate drive capability with protection

Protection against reverse charge injection from CGD and CGS of external FETs

Includes a charge pump to support full FET drive at low battery voltages

Deadtime is programmable via the SPI port

Simultaneous output capability enabled via safe SPI command