L9965P datasheet(37/104 Pages) STMICROELECTRONICS

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3.6.2.7

Deployment electrical parameters

All parameters are tested and guaranteed in the following conditions, unless otherwise noted: all supplies

according to the Table 3; TJ according to the Table 2.

Table 22. Deployment electrical parameters

Symbol

Parameter

Test condition

Min

Typ Max

Unit

IDEPLOY_00

Pyro-fuse deployment

current

I_DEPLOY_CFG = 00

1.50

1.91

PR,

PGND

IDEPLOY_01

I_DEPLOY_CFG = 01

1.75

2.23

PR,

PGND

IDEPLOY_10

I_DEPLOY_CFG = 10

2.00

2.55

PR,

PGND

IDEPLOY_11

I_DEPLOY_CFG = 11

3.50

4.46

PR,

PGND

tDEPLOY_RES

Deployment timer

resolution

14.7

17.3

µs

PS, PF

NDEPLOY

Deployment timer bits

number

T_DEPLOY_CFG

Bits

PS, PF

tDEPLOY

Deployment timer

tDEPLOY_RES *

T_DEPLOY_CFG

2032

µs

PS, PF

tLS_OFF_DEACT

Delay between HS

turn-off and LS turn-off

µs

PR,

PGND

ELS_CLAMP

Low side recirculation

energy after fire

Considering LWIRE + LEMI

TJ,START = 135 °C

300

µJ

PR,

PGND

VLS_CLAMP

LS voltage clamp

tDEP_CUR_RISE

From 10% to 90% of

the IDEPLOY_XX

Including RPYRO, LWIRE, CWIRE,

LEMI, CPYRO

µs

PF, PR

tDEP_DLY

From deployment start

signal (SPI CS rising

edge or FENH/FENL

acknowledge) to 90%

of the IDEPLOY_XX

Including RPYRO, LWIRE, CWIRE,

LEMI, CPYRO

µs

PF, PR

tDEP_CUR_FALL

From 90% to 10% of

the IDEPLOY_XX

Including RPYRO, LWIRE, CWIRE,

LEMI, CPYRO

µs

PF, PR

tDEP_CUR_MON

Deployment current

monitor resolution

DEP_CURR_MON

µs

PS, PF

IDEP_MON_TH

Deployment current

monitor threshold

90%*IDEPLOY_xx

PS, PF

tDEP_MON_TH_RES

Deployment current

monitor timer threshold

resolution

µs

PS, PF

NDEP_MON_TH

Deployment current

monitor timer threshold

bits number

DEP_MON_THR

Bits

PS, PF

tDEP_MON_TH

Deployment current

monitor timer threshold

tDEP_MON_TH_RES *

DEP_MON_THR

992

µs

PS, PF

EHS_DEPLOY_1

High side switch

deployment energy

capability

Single event, VPS = 27.3 V

IDEP = 1.91 A, tON = 1191 µs

RdsON_LS = 0 Ω, RWIRE = 0.1 Ω

RPYRO = 1.7 Ω, TJ,START = 135

°C

54.4

PS, PF

L9965P

Functional description

DS14702 - Rev 4

page 37/104

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