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L6228Q

Part Number	L6228Q
Manufacturer	STMicroelectronics
Description	DMOS driver
Published	Jan 12, 2009
Detailed Description	L6228Q DMOS driver for bipolar stepper motor Features ■ Operating supply voltage from 8 to 52 V ■ 2.8 A output peak cu...
Datasheet	L6228Q PDF File

Overview

L6228Q 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 Datasheet − production data VFQFPN32 5 mm x 5 mm Description The L6228Q i...

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