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SGM42622B
Low Voltage, Dual H-Bridge Stepper Motor Driver
Low Voltage, Dual H-Bridge Stepper Motor Driver
GENERAL DESCRIPTION

The SGM42622B is a low voltage stepper motor driver with control logic and low RDSON 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 SGM42622B is available in a Green TQFN-3×3-16L package. It operates over an ambient temperature range of -40 to +85.

PIN CONFIGURATIONS

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FEATURES
  • Motor Power Supply Voltage Range: 1.8V to 12V

  • 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

  • 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

  • -40 to +85 Operating Temperature Range

  • Available in a Green TQFN-3×3-16L Package

APPLICATIONS

Toys

Gaming Machines

Robotics

Point of Sale Devices

Printers

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM42622BYTQ16G/TR Production TQFN-3×3-16L 16 Y -40℃ to +85℃ Samples
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