L6206PD datasheet(7/29 Pages) STMICROELECTRONICS

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L6206

Pin connections

Package

Name

Type

Function

SO24

PowerSO36

Pin no.

924

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.

Table 4. Pin description (continued)

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