EDE1204 Bi-Polar Stepper Motor IC Connection via L293 H-Bridge IC Schematic

Datasheet and Circuit Diagram, Posted by: admindata at July 7th, 2009

An EDE1204 driver is a 5-volt 18 pin integrated circuit or chip that is designed to control a bipolar (4 wire) stepper motor. It has the ability of speed control, direction control and step mode control. You will have a schematic description to drive EDE1204 Bi-Polar Stepper Motor IC Connection via L293 H-Bridge IC.

In the figure, the EDE1204 is paired with L293 Dual H-Bridge IC for many applications as it provides a two IC drive circuit. It is very noted that you should connect the two EDE1204 pin ‘Coil A’  as inputs to one H-Bridge and the two EDE1204 pin ‘Coil B’ as the inputs to the other since activate both side of an H-Bridge Circuit may lead to short-circuit current flow.

The L293 Dual H-Bridge IC can supply up to 1A per coil and you can follow these pinout of the L293 IC: pin1= chip inhibit; pin2= input 1; pin3= output 1; pin4=GND; pin5= GND; pin6=output2, pin7=input2; pin8=Vc; pin9=chip inhibit2; pin10=input3; pin11=output3; pin12=GND; pin13=GND; pin14=output4, pin15=input4; pin16=Vss +5V.

Further information about EDE1204 Bi-Polar Stepper Motor IC Connection via L293 H-Bridge IC Schematic can be found in the EDE1204 datasheet (source: elabinc.com)

Tags: L293 Pinout, Bipolar Stepper Motor, bipolar, speed control, h bridge,

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