L9680 datasheet(263/286 Pages) STMICROELECTRONICS

263 / 286 page

DS11615 Rev 7

263/286

L9680

Electrical characteristics

285

17.17.4 Deployment timer test

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

-40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V.

17.18

Remote sensor interface

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

40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V, VSATBUCK(min)  VSATBUCK,

VSYNCBOOST(min)  VSYNCBOOST

17.18.1 PSI-5 interface

TFLT_LKGB_FT

Deglitch filter time

during FET test on

IHS_FET_TH /

ILS_FET_TH current

thresholds

0.8

1.2

µs

ILIM_HS_FET

HS FET current in HS

driver diagnostics

Not tested, see item # 1 in errata

sheet section

SGxyOPEN

Squib/pyroswitch open

ground detection

GNDSUBx as ground reference

300

450

600

TFLT_SGOPEN

Squib/pyroswitch open

ground detection filter

time

µs

Table 60. High/low-side FET test (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 61. Deployment timer test - AC specifications

Symbol

Parameter

Conditions

Min

Typ

Max Unit

tPULSE_PERIOD

Deployment timer pulse

test period time

SYSDIAGREQ(DSTEST)=PULSE

IPULSE_HIGH

Deployment timer pulse

test high time

DCR_x(

Deploy_

Time)*

TDEP_TIM

E_RES

µs

Table 62. PSI-5 satellite transceiver - DC specifications

Symbol

Parameter

Conditions

Min

Typ

Max Unit

IRSU

Interface quiescent current -

-35

-4

VRSU_MAX

Max. output voltage

excluding sync. pulse

(internal regulation,

VSATBUCK = VSYNCBOOST)

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