Part Number |
M54640P |
Manufacturers |
Mitsubishi |
Logo |
|
Description |
STEPPER MOTOR DRIVER |
Datasheet |
M54640P Datasheet (PDF) |
MITSUBISHI
M54640P
STEPPER MOTOR DRIVER
DESCRIPTION
The M54640P is a semiconductor IC to drive a stepper motor by the bipolar method.
PIN CONFIGURATION (TOP VIEW)
Output MB ← 1 One-shot-multi T→ 2 time constant Output power VMM 3 supply 4 GND 5 Power supply VCC Output current value setting Output current direction switching I1 6 7 16 → E 15 → MA 14 13 GND 12 11 ← VR 10 ← C 9 Io Comparator reference input Comparator input Output current setting Current sensor Output
FEATURES
q Bipolar and constant-current drive q Wide current control rage (20 – 800mA) q Wide supply voltage drive range (10 – 40V) q Built in flywheel diodes q Current level can be changed by steps or continuously. q Built in a thermal shutdown circuit
power VMM Output supply
M54640P
Ph → 8
APPLICATION
Printer, FDD, HDD, Fax
Outline 16P4
FUNCTION
The M54640P drives a stepper motor by the bipolar drive method to change the current direction of a single coil and controls the current direction w.