IPS4260LTR datasheet(4/29 Pages) STMICROELECTRONICS

4 / 29 page

Pin description

Figure 2. Pin connection (top view)

PGND

IN1

IN2

IN3

IN4

SGND

PGND

LOAD1

LOAD2

LOAD3

LOAD4

VCC

ILIM

CoD

Table 1. Pin configuration

Number

Name Function

Type

1, 2, 19, 20

PGND Integrated power switch ground

Supply

3, 18

Load clamp voltage pins. Pins 3 and 18 must be shorted on the application board

and then connected directly to the supply rail, or by an external Zener or TVS

diode to the supply rail or to PGND (see Section 2.3 VZ)

Output

IN1

Channel 1 input / cut-off and thermal shutdown diagnostic

Input/output

open drain

IN2

Channel 2 input / cut-off and thermal shutdown diagnostic

Input/output

open drain

IN3

Channel 3 input / cut-off and thermal shutdown diagnostic

Input/output

open drain

IN4

Channel 4 input / cut-off and thermal shutdown diagnostic

Input/output

open drain

8, exposed

pad

SGND Logic interface block ground

Supply

Cumulative power stage open load or short ground common diagnostic

Output open

drain

FLT

Cut-off and thermal shutdown pin. Common diagnostic pin both for thermal

shutdown and cut-off

Output open

drain

CoD

Programmable cut-off intervention delay during overcurrent operation. It cannot

be left floating: connect to PCB SGND ground plane to disable the cut-off function

or connect a resistor between CoD and PCB ground plane to set the delay (see

Section 6.3 Current limitation and cut-off)

Input

ILIM

Limitation current adjustment. It cannot be left floating: connect a

resistor between ILIM and SGND to set the current limit threshold (see

Section 6.3 Current limitation and cut-off)

Input

VCC

Supply voltage. Connect to the supply rail

Supply

LOAD4 Power stage, channel 4

Input

IPS4260L

Pin description

DS12305 - Rev 5

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