L6228PD(2018) Просмотр технического описания (PDF) - STMicroelectronics

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Компоненты Описание

производитель

L6228PD
(Rev.:2018)

DMOS driver for bipolar stepper motor

STMicroelectronics 

Pin connections

L6228

Package

Table 4. Pin description (continued)

SO24

PowerSO36 Name

Type

Function

Pin no.

Pin no.

Reset pin. LOW logic level restores the Home state

23

8

RESET Logic input

(state 1) on the phase sequence generator state

machine.

If not used, it has to be connected to +5 V.

24

9

VREFA Analog input

Bridge A current controller reference voltage.

Do not leave this pin open or connected to GND.

1. Also connected at the output drain of the overcurrent and thermal protection MOSFET. Therefore, it has to be driven putting

in series a resistor with a value in the range of 2.2 K - 180 K, recommended 100 K

8/34

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