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)