DESCRIPTION

The IC features 6 configurable half bridges to drives up to 3 DC motors simultaneously or up to 5 motors sequentially. 3 independent pulse detection circuits convert the commutation current of the motors into countable digital signals for positioning especially of HVAC flap actuators.

FEATURES

► 6 Half Bridges configurable to drive 3, 4, or 5 DC Motors

► Half Bridges not needed for Motor Control may drive other kinds of loads

► Output Current max. 400 mA per Half Bridge

► Three independend Pulse Detectors and Counters

► Servo Control Positioning of Actuators

► Excellent Positioning Performance

► SPI for communication with µC

► Short Circuit Protection

► Over Temperature Protection

► Battery Supply and 5V Monitor

► Diagnostic Data via SPI

► QFN 7 * 7 32 package

APPLICATION

► Positioning of HVAC Flaps (according to US patent 5,203,499 owned by BHTC)