L9662 datasheet(14/80 Pages) STMICROELECTRONICS

14 / 80 page

Electrical specifications

L9662

14/80

DocID028325 Rev 1

2.4.2

Electrical characteristics - Squib deployment drivers and diagnostics

4.9 V

 VDD  5. 1V; 7 V  VRESX  37 V; 7 V  VSDIAG  37 V; (VSATS + 6.5 V)  VSYNC  25 V;

7 V

 VSATS  14 V; FEN1 = FEN2 = FEN3 = FEN4 = VDD; R_REF = 10 kΩ, ±1%, 100 PPM;

CVRES0_3≥ 68 nF; CVRES4_7 ≥ 68 nF; -40 °C  TA  +95 °C; unless other specified.

IRESx

Quiescent current for

VRESx during HSS test

Current per pin during HSS test

excluding selected channel

μA

VIH

Input voltage threshold

(MOSI, MOSI_S, SCLK,

SCLK_S, CS_S, CS_D)

Input Logic = 1

2.0

VIL

Input Logic = 0

0.8

VHYST

Input hysteresis

100

300

ILKGD

Input leakage current

MOSI, MOSI_S, SCLK,

SCLK_S

VIN = VDD

μA

VIN = 0 to VIH

-1

μA

IPU_CS

Input pull-up current CS_S,

CS_D

VIN = VIH to GND

-10

-50

μA

IPD_IS

Input pull-down current

INITSYNC

VIN = VIL to VDD

μA

VOH

Output voltage MISO,

MISO_S

IOH = -800 μA

VDD–

0.8

VOL

IOL = 1.6 mA

0.4

IHI_Z

Tri-state current MISO,

MISO_S,

MISO = VDD

μA

MISO = 0 V

-1

μA

Table 6. General - DC electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Table 7. Squib deployment drivers and diagnostics - DC electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

General

ILKGSQH

Leakage current SQH

VSDIAG = VDD = 0,

VRES = 37 V, VSQH = 0 V

μA

ILKGVRES

Bias current VRESX

VSDIAG = 18 V; VDD = 5 V;

VRES = 37 V; SQH shorted

to SQL

μA

ILKGSQL

Leakage current SQL

VSDIAG = VDD = 0,

VSQL = 18 V

-10

μA

IPD

Pulldown current SQL

VSQL = 1.5 V to 20 V

3.3

4.1

VBIAS

Diagnostics Bias voltage

Nominal 3.6 V

-5%

VDD*0.72

+5%

Short to battery/ground Diagnostics - Rsqb from 0 Ω to Open

ISVRCM

Maximum Diagnostics Bias

Current limit

Short to battery or ground

test active VSQH = 0 V

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