CG985 | 4 channel pyro fuse driver

2 Firing modes for optimum adaption to the pyro fuses

CG985 provides additional safety function for electrical system in (H)EVs. Controlled by the battery managment system, CG985 can ignite up to four pyro fuses. The pyro fuses safely disconnect the HV battery from the vehicle's electrical system.

Benefits

Driver for up to four pyro fuses

High side & low side drivers for highest system safety

Supports diagnostics

Technical Features


Type	Pyro fuse driver
Package	LQFP44
Features	Sophisticated safety concept Monitoring of voltages, power stage and firing loop diagnosis, STB and STG diagnosis, squib resistance measurement 4-bit firing current counter per firing loop
Firing loops	4
Firing modes	1.2 A for 2 ms 1.75 A for 0.5 & 1.0 ms
Interface	SPI, 16-bit (3.3 V or 4.9 V)
VDD typ. [V]	3.3 + 4.9
VVZP typ. [V]	14
VVER typ. [V]	25 or 33
Tj min [°C]	-40°C
Tj max [°C]	150°C

LQFP44 (10 × 10 mm²)

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