Datasheet > L9659

L9659

更新时间： 2022-02-26 13:06:16

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
51页	577K
描述
Octal squib driver ASIC for safety application

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L9659 数据手册

L9659

Octal squib driver ASIC for safety application

Features

■ 8 deployment drivers with SPI selectable firing

current and times

■ Capability to deploy the squib with 1.2 A

(min)/2 ms, 1.75 A (min)/1.0 ms and 1.75 A

(min)/0.65 ms between VRES of 7 V to 37 V

'!0'03ꢀꢀꢁꢂꢁ

■ Capability to deploy the squib with 1.5 A

(min)/2 ms between VRES of 7 V to 25 V

LQFP64 (10x10x1.4mm)

■ Firing capability to deploy all channels

simultaneously

■ Independently controlled high-side and low-

■ Technology: ST proprietary BCD5 (0.65 µm)

■ RoHS compliant

side MOS for diagnosis

■

Analog output available for resistance measurement

■ Squib short to ground, short to battery and

Description

MOS diagnostic available on SPI register

The L9659 is intended to deploy up to 8 squibs.

Squib drivers are sized to deploy 1.2 A minimum

for 2 ms, 1.75 A minimum for 1 ms and 1.75 A

minimum for 0.65 ms during load dump along with

1.5 A minimum for 2 ms for VRES voltages less

than 25 V.

■ Capability to deploy the squib the low side

MOS is shorted to ground

■ 4 fire enable inputs

■ 5.5 MHz SPI interface

■ Low voltage internal reset

■ 2 kV ESD capability on all pins

■ Package: LQFP64

Full diagnostic capabilities of the squib interface

are provided.

Table 1.

Device summary

Order code

Amb. temp range, C

Package

Packing

L9659

-40 to +95

LQFP64

Tray

L9659TR

Tape and reel

September 2013

Doc ID 022048 Rev 2

1/51

www.st.com

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