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DESCRIPTION
The BDR6622T is a dual bridge motor driver which has two H-bridge drivers, and can drive two DC brush motors, a bipolar stepper motor, solenoids, or other inductive loads.
It operates from 2.7V to 15V, and can deliver load current up to 700mA per channel. The output driver block of each H-bridge consists of N-channel power MOSFETS configured as an H-bridge to drive the motor windings. Each H-bridge includes circuitry to regulate or limit the winding current.
The internal safety features include sinking and sourcing current limits implemented with external sensors, under-voltage lockout, over current protection (OCP) and thermal shutdown. An over-temperature output flag is available to indicate thermal shutdown.
The BDR6622T is packaged in 16-pin, 5.0mm×6.4mm TSSOP-EP and TSSOP, 3mm×3mm and 4mmx4mm QFN package with an exposed thermal pad on the back.
FEATURES
Wide Power Supply Voltage Range: 2.7V to 15V
Two Internal Full-Bridge Drivers
Internal Charge Pump for the High-Side Driver
Low Quiescent Current: 1.1mA
Low Sleep Current: 1μA
Thermal Shutdown and Under-Voltage Lockout Protection
Over Current Protection (OCP)
Over-Temperature Output Flag
Thermally-Enhanced Surface-Mount Package
Low MOSFET On Resistance (HS: 600mΩ;LS:570 mΩ)