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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The L6228Q is a DMOS fully integrated Stepper Motor Driver with non-dissipative overcurrent protection, realized in BCD technology, which combines isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed to drive a two-phase bipolar stepper motor including a dual DMOS full bridge, the constant off time PWM current controller that performs the chopping regulation and the phase sequence generator, that generates the stepping sequence. It features a non-dissipative overcurrent protection on the high-side power MOSFETs and thermal shutdown.
Dual independent constant tOFF PWM current controllers
Fast decay quasi-synchronous rectification
Decoding logic for stepper motor full and half step drive
Cross conduction protection
Under-voltage lockout
Integrated fast free-wheeling diodes
0.73R at Tj=25°C Typical RDS(ON)
Up to 100kHz operating frequency

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L6228Q Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	32 Pin
Case/Package	VFQFPN-32
Supply Voltage (DC)	8.00V (min)
Number of Outputs	2 Output
Output Voltage	52 V
Output Current	1.4 A
Number of Positions	32 Position
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-25 ℃
Supply Voltage	8V ~ 52V
Supply Voltage (Max)	52 V
Supply Voltage (Min)	8 V
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Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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SN:H2.90235LO58913V45Q0QC0S0

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