Product Summary

The AN44069A-VF is a two channels H-bridge driver IC. Bipolar stepping motor can be controlled by a single driver IC. 2-phase, half-step, 1-2 (type2) phase, W1-2 phase can be selected. The AN44069A-VF is designed for stepping motor drives.

Parametrics

AN44069A-VF absolute maximum ratings: (1)Supply voltage 1(Pin 8, 22) VM: 37 V; (2)Supply voltage 2(Pin 25) VCC: –0.3 to +6 V; (3)Power dissipation PD: 0.717 W; (4)Operating ambient temperature Topr: –20 to +70 ℃; (5)Storage temperature Tstg: –55 to +150 ℃; (6)Output pin voltage (Pin 12, 14, 15, 17) VOUT: 37 V; (7)Motor drive current (Pin 12, 14, 15, 17) IOUT: ±1.5 A; (8)Flywheel diode current (Pin 12, 14, 15, 17) If: 1.5 A.

Features

AN44069A-VF features: (1)4-phase input control (W1-2 phase excitation enabled); (2)Built-in CR chopping (with frequency selected); (3)Built-in thermal protection and low voltage detection circuit; (4)Built-in 5 V power supply.

Diagrams

AN44069A-VF diagram

AN44065A-VF
AN44065A-VF

IC DC MOTOR DRIVER H-BRIDGE SMD
Data Sheet
0-1: $1.90
1-25: $1.55
25-100: $1.39
100-250: $1.27
250-500: $1.11
AN44075A-VF
AN44075A-VF

IC STEPPER MOTOR DRIVER 34-SOP
Data Sheet
0-1: $1.29
1-25: $1.03
25-100: $0.77
100-500: $0.70