Diodes AH293 - Manual (Page 2)

AH293
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
AH293
Document number: DS31048 Rev. 6 - 2
2 of 8
www.diodes.com
June 2010
© Diodes Incorporated
Pin Descriptions
Pin Name Description
RD Rotor-State Detection
Vdd Input Power
DO Output Pin
DOB Output Pin
GND Ground
Functional Block Diagram
Hall
Plate
Control Logic
Regulator
Lock detect,
shutdown and
automatic re-start
Vdd
GND
DOB
DO
Amp.
RD