L99SM81VYTR

Name: L99SM81VYTR
Brand: STMicroelectronics
SKU: L99SM81VYTR
Price: 4.61 USD
Availability: OutOfStock

Programmable Stepper Motor Driver for Automotive Applications with Micro-Stepping and Stall Detection
Learn More about L99SM81VYTR

Out of stock

$4.61

Key features
AEC-Q100 qualified Stepper motor driver with up to 1.35 A current capability Programmable stepping mode: Full step, Half step, Mini step, 1/8 Micro step, 1/16 Micro step Current regulation by integrated PWM control with fully integrated current sensing Equivalent 10 bit resolution on current regulation loop: Two 4-bit programmable full scale current amplitudes: one for RUN and one for HOLD mode 6-bit DAC for reference current generation (whatever programmed full scale amplitude) 4 programmable decay modes: Slow-mode, mixed-mode and 2x automatically selected decay-modes 3x programmable inputs for direct control of step clock, direction, hold and step modes 1x programmable analog output for T_j measurement or band-gap reference 2x programmable digital outputs for internally generated PWM ON duty cycles, error signals, coils voltage measurement synchronization signals Programmable MOSFETs switching speed: four options for EMC and power dissipation trade-off optimization PWM frequency wobbling for reduction of conducted EM energy Outputs protection and diagnosis (open load, short to battery, short to GND) Integrated ADC for coil voltage measurement and stall detection 5 V low drop voltage regulator short-circuit protected Very low current consumption in standby mode (typ. 10 µA) Thermal warning and shutdown ST SPI 4.0 interface for control and diagnostics

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