TLE6712 Datasheet | Infineon

Overview 1.1 Features - Two independent squib channels each consisting of a high- side & a low-side switch - Thermal and short circuit protection for each switch - Current limitation for each firing loop - Firing current detection P-DSO-24-1 - Voltage measurements - Squib leakage detection to ground and to battery - Precise squib resistance measurement with programmable gain - Multiplexed analog output pin for measurement retrieval - Unidirectional Serial Peripheral Interface (SPI) - Security circuits and independent input signals included to prevent unwanted firing 1.2 Functional Description This IC provides four independent actuator channels for firing loops in an safety restraint airbag system. Each channel is equipped with full diagnostic functions. munication between the µC and Dual Firing Airbag IC is be performed via SPI and analog/digital interface pins. Type TLE 6712 Ordering Code on request Package P-DSO-24-1 V 1.61 2001-07-13 1.3 Pin Configuration TLE 6712 SQH2 SQL2 GNDL2 SEN MSR DI CLK CSN RI MO N.C. N.C. 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 AEP02725 FV12 SQH1 SQL1 GNDL1 FEN VCC5 GND VS VBoost MCA VCHP N.C. Figure 1 Chip Pin Configuration pany Confidential V 1.61 2001-07-13 TLE 6712 1.4 Pin Definitions and Functions Pin No. Symbol 1 SQH2 2 SQL2 3...