NJM3777 Datasheet (New Japan Radio) - DUAL STEPPER MOTOR DRIVER

NJM3777, DUAL STEPPER MOTOR DRIVER

s PACKAGE OUTLINE The NJM3777 is a switch-mode (chopper), constant-current driver with two channels: one for each winding of a two-phase stepper motor.

The NJM3777 is equipped with a Disable input to simplify half-stepping operation.

The NJM3777 contains a clock oscillator, which is common for both

NJM3777 Features

* Dual chopper driver

* 900 mA continuous output current per channel

* Digital filter on chip eliminates external filtering components

* Package EMP24(Batwing) s BLOCK DIAGRAM Phase 1 Dis1 VR1 C1 E1 NJM3777 V CC V

* + CC R S Q M A1 Logic M B1 V MM1 +