70-V max 6.5-A peak 3-phase motor driver with integrated FETs

The DRV83x2 are

high-performance, integrated three-phase motor drivers with

an advanced protection system.

Because of the low

RDS(on) of the power MOSFETs and

intelligent gate drive design, the efficiency of these motor

drivers can be up to 97%. This high efficiency the use of

smaller power supplies and heatsinks, and the devices are

good candidates for energy-efficient applications.

The DRV83x2 require

two power supplies, one at 12 V for GVDD and VDD, and

another up to 50 V for PVDD. The DRV83x2 can operate at up

to 500-kHz switching frequency while still maintaining

precise control and high efficiency. The devices also have

an innovative protection system safeguarding the device

against a wide range of fault conditions that could damage

the system. These safeguards are short-circuit protection,

overcurrent protection, undervoltage protection, and

two-stage thermal protection. The DRV83x2 have a

current-limiting circuit that prevents device shutdown

during load transients such as motor start-up. A

programmable overcurrent detector allows adjustable current

limit and protection level to meet different motor

requirements.

The DRV83x2 have

unique independent supply and ground pins for each

half-bridge. These pins make it possible to provide current

measurement through external shunt resistor and support half

bridge drivers with different power supply voltage

requirements.