Part Number |
M54671SP |
Manufacturers |
Mitsubishi |
Logo |
|
Description |
2-PHASE STEPPER MOTOR DRIVER |
Datasheet |
M54671SP Datasheet (PDF) |
MITSUBISHI
M54671SP
2-PHASE STEPPER MOTOR DRIVER
DESCRIPTION
The M54671SP is a semiconductor IC to drive a bipolar stepper motor directly by controlling the coil current with the constant current method.
PIN CONFIGURATION (TOP VIEW)
Standby input(1) Comparator input(1) St1 1 C1 2
32 St2 31 C2 30 VR2
Standby input(2) Comparator input(2)
FEATURES
q Wide output current control range (20 – 1200mA) q Bipolar and constant current q Built in a thermal shutdown circuit
Comparator VR1 3 reference input(1) Bootstrap power Vbs1 4 supply(1) Output power VMM1 5 supply(1) Output(1) Current sensor(1) MA1 6 E1 7
Comparator reference input(2) Bootstrap power 29 Vbs2 supply(2) Output power 28 VMM2 supply(2)
27 MA2 26 E2 25 24 23 22 MB2
Output(2) Current sensor(2)
M54671SP
APPLICATION
Office automation equipment such as printer, FDD, HDD, and FAX
GND
8 9 10
GND
FUNCTION
The M54671SP can drive a stepper motor by the 2-phase bipolar method and also control the coil curr.