Product Summary

The CS8441YN8 is a Stepper Motor Driver that implements an H–Bridge design in order to drive two coils in an eight step sequence per revolution in the divide by 1 mode; 16 step sequence in the divide by 2 mode. The H–Bridge is capable of delivering 85 mA to the load. The sequencer insures that the odometer is monotonic. This sequencer is configured such that simultaneous conduction does not occur. Before each successive output sequence the part is taken through a state where both outputs are turned off individually. This tends to minimize the inductive kick back energy that the part must absorb. On–chip clamp diodes are across each output to protect the part from the kick back energy that it must absorb.

Parametrics

CS8441YN8 absolute maximum ratings: (1)Supply Voltage(Continuous): –0.5 to 24V; (2)Input Voltage (VIN): –0.3 to VCC + 0.3 V; (3)Storage Temperature Range: –65 to 150℃; (4)Junction Temperature Range: –40 to 150℃; (5)ESD (Human Body Model): 2.0 kV; (6)Lead Temperature Soldering: 260 peak℃.

Features

CS8441YN8 features: (1)No Cross–Conduction in Either H–Bridge; (2)Divide by 1 and Divide by 2 Modes; (3)Guaranteed Monotonic; (4)On–Chip Flyback Diodes; (5)Fault Protection.

Diagrams

CS8441YN8 Block Diagram

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