L9679P datasheet(242/272 Pages) STMICROELECTRONICS

No. de pieza	L9679P

Descripción Electrónicos	Automotive advanced airbag IC for mid/high end applications

PDF	272 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics

L9679P

242/272

DocID029275 Rev 1

17.16

Deployment drivers

All electrical characteristics are valid for the following conditions unless otherwise noted:

-40 °C

 Ta  +95 °C, VINGOOD0  VIN  35V, 6V  SSxy  35V, SSxy - SFx  25V.

Table 55. Deployment drivers – DC specifications

Symbol

Parameter

Comments / Conditions

Min

Typ

Max

Unit

1IDEPL_LO

Deployment Current

R = 2 ohms

Considering 9mA as not detected

leakage with a 1kOhm equivalent

resistance from SFx to GND

1.33

1.4

1.6

2IDEPL_HI

R = 2 ohms, 9V ≤ SSxy

Considering 13.5mA as not

detected leakage with a 1kOhm

equivalent resistance from SFx to

GND,

1.94

1.99

2.3

3ITH_DEPL

Deployment Current Counter

Threshold

IDEPL

x *

90%

4IOC_SR

Low side Over Current

Detection

2.2

3.1

4.0

5ILIM_SR

Low side

Current Limitation

2.2

3.1

4.0

ΔILIM_OC_SR

Difference between Current

Limitation and OC Threshold

ILIM_SR - IOC_SR

0.1

7RDSON_HSLS

Combined High side MOS +

Low side MOS On

Resistances

Ta = 95°C

8IREV_SF

Reverse Current on SFx

Without device malfunction(1)

Not to be tested in series

production

-100

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