KAmodMPC17C724

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Description

KAmodMPC17C724 is a module with dual H-Bridge motor driver. H-Bridge chip allows to control two DC motors or one bipolar stepper motor. Controller works with voltage in range 2.7 – 5.5V and can provide motors drive currents of 0.4A.

Basic features and parameters

• Chip MPC17C724 from Freescale
• Power supply voltage in range: 2.7V – 5.5V
• Current efficiency: max. 0.4A (pro channel)
• Possibility of control two DC motors or one bipolar stepper motor
• Possibility of using PWM signal with frequency 200kHz
• Possibility of changing rotation direction (dual H-Bridge)
• Possibility of electrodynamic break enabling
• Mounting holes 3mm
• Module size: 27mm x 16mm x 3mm (without connector)
• Weight: 1.4g (without connector)

Standard equipment

Code	Description
KAmodMPC17C724	Assembled and launched module Pin header (male and angle) for soldering

Electrical schematic

Output description

	Name	Signal line
	+VIN	Module power supply
	GND
	PSAVE	Sleep line
	IN2B	Signal input: 2B
	IN2A	Signal input: 2A
	IN1B	Signal input: 1B
	IN1A	Signal input: 1A
	O2B	Signal output: 2B
	O2A	Signal output: 2A
	O1B	Signal output 1B
	O1A	Signal output: 1A

Principle of operation

Truth table of controller KAmodMPC17C724:

Input lines			Output lines
PSAVE	IN1A/IN2A	IN1B/IN2B	O1A/O2A	O1B/O2B
L	L	L	L	L
L	H	L	H	L
L	L	H	L	H
L	H	H	Z	Z
H	X	X	Z	Z

(description: L- low; H- high; Z – high impedance; X - insignificant)

External links

• MPC17C724 chip datasheet