L6226Q datasheet(6/29 Pages) STMICROELECTRONICS

6 / 29 page

Pin connection

L6226Q

6/29

Doc ID 14335 Rev 5

Table 4.

Pin description

N°

Type

Function

1, 21

GND

Signal ground terminals.

OUT1B

Power output Bridge B output 1.

OCDB

Open drain

output

Bridge B overcurrent detection and thermal protection pin. An internal open

drain transistor pulls to GND when overcurrent on bridge B is detected or in

case of thermal protection.

SENSEB

Power supply

Bridge B source pin. This pin must be connected to power ground directly or

through a sensing power resistor.

IN1B

Logic input

Bridge B input 1

IN2B

Logic input

Bridge B input 2

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.

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 +5 V.

VBOOT

Supply

voltage

Bootstrap voltage needed for driving the upper power MOSFETs of both

bridge A and bridge B.

OUT2B

Power output Bridge B output 2.

VSB

Power supply

Bridge B power supply voltage. It must be connected to the supply voltage

together with pin VSA.

VSA

Power supply

Bridge A power supply voltage. It must be connected to the supply voltage

together with pin VSB.

OUT2A

Power output Bridge A output 2.

VCP

Output

Charge pump oscillator output.

ENA

Logic input

Bridge A enable. LOW logic level switches OFF all power MOSFETs of

bridge A.

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

PROGCLA

R pin

Bridge A overcurrent level programming. A resistor connected between this

pin and ground sets the programmable current limiting value for the bridge A.

By connecting this pin to ground the maximum current is set. This pin cannot

be left non-connected.

IN1A

Logic input

Bridge A logic input 1.

IN2A

Logic input

Bridge A logic input 2.

SENSEA

Power supply

Bridge A source pin. This pin must be connected to power ground directly or

through a sensing power resistor.

OCDA

Open drain

output

Bridge A overcurrent detection and thermal protection pin. An internal open

drain transistor pulls to GND when overcurrent on bridge A is detected or in

case of thermal protection.

OUT1A

Power output Bridge A output 1.

L6226Q Datasheet(PDF) 6 Page - STMicroelectronics

L6226Q Datasheet(HTML) 6 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Datasheet Download

Link URL