Product Summary

The TCA3727G is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors and other inductive loads that operate on constant current. The control logic and power output stages of TCA3727G for two bipolar windings are integrated on a single chip which permits switched current control of motors with 0.75 A per phase at operating voltages up to 50 V.

Parametrics

TCA3727G absolute maximum ratings: (1)Supply voltage: 0 to 52 V; (2)Logic supply voltage: 0 to 6.5 V Z-diode; (3)Z-current of VL: 50 mA; (4)Output current: -1 to 1 A; (5)Ground current: -2 to 2 A; (6)Logic inputs: -6 to VL + 0.3 V; (7)R1 , R2, oscillator input voltage: -0.3 to VL + 0.3 V; (8)Junction temperature: 125 ℃; (9)Storage temperature: -50 to 125 ℃.

Features

TCA3727G features: (1)2 x 0.75 amp. / 50 V outputs; (2)Integrated driver, control logic and current control (chopper); (3)Fast free-wheeling diodes; (4)Max. supply voltage 52 V; (5)Outputs free of crossover current; (6)Offset-phase turn-ON of output stages; (7)Z-diode for logic supply; (8)Low standby-current drain; (9)Full, half, quarter, mini step.

Diagrams

TCA3727G block diagram

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