EVAL6228QR

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L6228Q: Dual full bridge with PWM current control and translator for stepper reference design board

Quantity $ per Unit Savings
1 - 2$65.220%
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$65.22
Parameter NameParameter Value
Target ApplicationBrushed DC Motor
Core ProductL6228Q
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack1
GradeIndustrial
Package NameCARD

The L6228Q is a DMOS fully integrated stepper motor driver, realized in BCD multipower technology.


The L6228Q includes the circuitry to drive a two-phase bipolar stepper motor: a dual DMOS full-bridge, the constant off-time, the PWM current controller performing the chopping regulation and the phase sequence generator, which generates the stepping sequence. The device features a non-dissipative overcurrent protection on the high-side power MOSFETs and thermal shutdown.

Key features
  • Operating supply voltage from 8 to 52 V
  • 2.8 A output peak current (1.4 Ar.m.s.)
  • RDS(on)0.73 Ω typ. value @ TJ= 25 °C
  • Operating frequency up to 100 kHz
  • Non dissipative overcurrent protection
  • Dual independent constant tOFFPWM current controllers
  • Fast/slow decay mode selection
  • Fast decay quasi-synchronous rectification
  • Decoding logic for stepper motor full and half- step drive
  • Cross conduction protection
  • Thermal shutdown
  • Undervoltage lockout
  • Integrated fast free wheeling diodes
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