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12V 1/256 Stepper Driver
SGM42622 SGM42622.pdf

No.10766

FEATURES

? Motor Power Supply Voltage Range: 1.8V to 10V

? 1.3A Maximum RMS Output Current

? Low RDS(ON): 0.5Ω (HS + LS) at +25℃

? Up to 1/256 Microstepping Resolution

? Adaptive Mixed Current Decay Modes

? Current Control with Programmable Off-Time

? Full Set of Protections

  Lossless Over-Current Protection

  Short-Circuit Protection

  Thermal Shutdown

? Less than 80nA Standby Current for Long Battery Life

DESCRIPTION

The SGM42622 is a stepper motor driver with control logic and low RDS(ON) MOSFET power stages all integrated in a small TQFN package.
This device uses fixed off-time PWM current control for two independent H-bridges and is capable for fine microstepping resolution up to 1/256. Aimed for battery powered applications, it can go to near zero-power standby mode for increased battery life. A full set of protection features are provided including over-current, short-circuit, and thermal shutdown.
The SGM42622 is available in a Green TQFN-3×3-16L package. It operates over an ambient temperature range of -40℃ to +85℃.

APPLICATION CIRCUIT
PIN CONFIGUTION
網站地圖
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