LS8297， LS8297-S， LS8297-TS， LS8297CT， LS8297CT-S， LS8297CT-TS
Stepper Motor Controller (20 Pins; 20 Pins)
Low cost， low current， pin-compatible replacement for LS7297
Torque Ripple Compensated half-steps - LS8297CT
Controls two-phase Bipolar and four-phase Unipolar motors
Interface to four AND Gates driving four N-Channel MOSFET's for Unipolar motors
Normal/wave drive
PWM chopper circuit for current control
Two over current sense comparators with external references input
All inputs and outputs TTL/CMOS compatible (TTL for 5V operation)
Supply current: < 400uA
Supply voltage: 4。75 to 7V
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