M54677FP Datasheet | Mitsubishi Electric

MITSUBISHI <CONTROL / DRIVER IC> 2-PHASE STEPPER MOTOR DRIVER DESCRIPTION The M54677FP 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) St1 C1 Vref1 1 2 3 4 5 6 7 36 35 34 33 32 31 30 St2 C2 Vref2 VM21 MA2 E2 Features q Wide output current control range (20 - 1000mA) q Bipolar and constant current q Built in a thermal shutdown circuit q Built in flywheel diodes VM11 MA1 E1 29 28 27 26 25 24 23 22 21 20 19 N.C MB2 VM22 Vcc2 T2 Ph2 GND APPLICATION Office automation equipment such as printer, FDD, HDD, and FAX 9 GND 10 11 FUNCTION The M54677FP can drive...