L9654 datasheet(13/59 Pages) STMICROELECTRONICS

부품명	L9654

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

PDF	59 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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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

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