L9654 datasheet(13/59 Pages) STMICROELECTRONICS

Part #	L9654

Description	Quad squib driver and dual sensor interface ASIC for safety application

PDF	59 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

13 / 59 page

DocID14218 Rev 3

13/59

L9654

Electrical specification

VDD = 4.9 to 5.1 V, V8BUCK = 7.0 V to 8.5 V, Tamb = -40 °C to +95 °C.

Table 8. Satellite interface DC specifications

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

I_Lim

Current limit

High-side short to -0.3 V

(-)75

(-)150

High-side short to Battery

V8BUCK =Vcc=0

measured @ V8BUCK

Vhdp

High-side voltage drop

I=50 mA @105°C; V8BUCK=7.0V

I=25 mA @105°C; V8BUCK=7.0V

0.5

Itr

Low to high transition current

threshold

SPI channel configuration

Bit <2:0≥111

54.00

66.00

Bit <2:0≥110

43.65

53.35

Bit <2:0≥101

35.10

42.90

Bit <2:0≥100

28.80

34.20

Bit <2:0≥011

24.85

29.15

Bit <2:0≥010

20.25

24.75

Bit <2:0≥001

17.10

20.90

Bit <2:0≥000

14.85

18.15

Ihyst

Current threshold hysteresis

Sink current = Ithr at the output

(ICHX).

Ihyst=trip point high – trip point

low

0.05*Itr

0.15*Itr

Vos

Short to BAT feedback current

V(ICHX)-V8BUCK<50 mV

Olkg

Output leakage current ICHX

V=18 V @ pin under test

μA

L9654 Datasheet(PDF) 13 Page - STMicroelectronics

L9654 Datasheet(HTML) 13 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

Datasheet Download

Link URL