L9679E datasheet(102/127 Pages) STMICROELECTRONICS

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13.7

Deployment drivers

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

-40 °C ≤ Tamb ≤ +105 °C

VSAT_ON(max) ≤ VSAT ≤ VSAT(max)

6 V ≤ SSxy ≤ 35 V

SSxy – SFx ≤ 25 V

Table 27. Deployment drivers – DC specifications

Symbol

Parameter

Comments / Conditions

Min

Typ

Max

Unit

Note

IDEPL_LO

Deployment current

R = 2 ohms Considering 9 mA as not detected

leakage with a 1 k Ohm equivalent resistance

from SFx to GND

1.33

1.4

1.6

IDEPL_HI

Deployment current

R = 2 ohms, 9 V ≤ SSxy Considering 13.5 mA

as not detected leakage with a 1 kOhm

equivalent resistance from SFx to GND,

1.94

1.99

2.3

ITH_DEPL

Deployment current

counter threshold

IDEPLx *

90%

IOC_SR

Low-side over

current detection

2.2

3.1

4.0

ILIM_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

RDSON_HSLS

Combined high-side

MOS + low-side

MOS on resistances

Tamb = 105 °C

2.2

IREV_SF

Reverse current on

SFx

Not to be tested in series production

-100

Without device

malfunction (1)

ILKG_SS_OFF

SSxy leakage

current

Device OFF SSxy ≤ 35 V SFx = SFy = 0

Assuming all SSxy at the same voltage.

-10

µA

ILKG_SS_ON_1CH

SSxy leakage

current

Device ON SSxy ≤ 35 V SFx = 0 SSxy Leakage

current of each channel (32 µA) plus 30 µA due

to 600 KOhm between ESD SQUIB/

PYROSWITCH rail and ground.

Assuming all SSxy at the same voltage. Not

Tested.

µA

ILKG_SS_ON

SSxy leakage

current

Device ON SSxy ≤ 35 V SFx = SFy = 0 Total

SSxy leakage current with both x and y

channels NOT armed (= 2 * 32 µA) plus 30 µA

due to 600 KOhm between ESD SQUIB/

PYROSWITCH rail and ground.

Assuming all SSxy at the same voltage.

120

µA

ILKG_SS_CH_ARMED

SSxy leakage

current

Device ON SSxy ≤ 35 V SFx = 0 Total SSxy

leakage current with only one channel armed

(=490 + 32 µA) plus 30 µA due to 600 KOhm

between ESD SQUIB/PYROSWITCH rail and

ground.

Assuming all SSxy at the same voltage.

390

552

640

µA

L9679E

Electrical characteristics

DS12485 - Rev 8

page 102/127

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