L6228Q
L6228Q is DMOS driver manufactured by STMicroelectronics.
DMOS driver for bipolar stepper motor
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 tOFF PWM 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
Applications
- Bipolar stepper motor Figure 1. Block diagram
- production data
VFQFPN32 5 mm x 5 mm
Description
The L6228Q...
