L6226D データシートの表示（PDF） - STMicroelectronics

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L6226D

DMOS DUAL FULL BRIDGE DRIVER

STMicroelectronics 

L6226

PIN DESCRIPTION

PACKAGE

SO24/

PowerDIP24

PowerSO36

Name

Type

Function

PIN #

PIN #

1

10

IN1A

Logic input Bridge A Logic Input 1.

2

11

IN2A

Logic input Bridge A Logic Input 2.

3

12

SENSEA Power Supply Bridge A Source Pin. This pin must be connected to Power

Ground directly or through a sensing power resistor.

4

13

OCDA

Open Drain Bridge A Overcurrent Detection and thermal protection pin.

Output

An internal open drain transistor pulls to GND when

overcurrent on bridge A is detected or in case of thermal

protection.

5

15

OUT1A Power Output Bridge A Output 1.

6, 7,

18, 19

1, 18,

19, 36

GND

GND

Signal Ground terminals. In Power DIP and SO packages,

these pins are also used for heat dissipation toward the

PCB.

8

22

OUT1B Power Output Bridge B Output 1.

9

24

OCDB

Open Drain Bridge B Overcurrent Detection and thermal protection pin.

Output

An internal open drain transistor pulls to GND when

overcurrent on bridge B is detected or in case of thermal

protection.

10

25

SENSEB Power Supply Bridge B Source Pin. This pin must be connected to Power

Ground directly or through a sensing power resistor.

11

26

IN1B

Logic Input Bridge B Input 1

12

27

IN2B

Logic Input Bridge B Input 2

13

28

PROGCLB

R Pin

Bridge B Overcurrent Level Programming. A resistor

connected between this pin and Ground sets the

programmable current limiting value for the bridge B. By

connecting this pin to Ground the maximum current is set.

This pin cannot be left non-connected.

14

29

ENB

Logic Input Bridge B Enable. LOW logic level switches OFF all Power

MOSFETs of Bridge B.

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

15

30

VBOOT

Supply

Bootstrap Voltage needed for driving the upper Power

Voltage MOSFETs of both Bridge A and Bridge B.

16

32

OUT2B Power Output Bridge B Output 2.

17

33

VSB

Power Supply Bridge B Power Supply Voltage. It must be connected to

the supply voltage together with pin VSA.

20

4

VSA

Power Supply Bridge A Power Supply Voltage. It must be connected to

the supply voltage together with pin VSB.

21

5

OUT2A Power Output Bridge A Output 2.

4/22

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