CS2082

The CS2082 controls and monitors two airbag firing loops. The independent firing loops are low and highside controlled. Device communication is through a Serial Peripheral Interface (SPI) port, and includes frame error detection circuitry for data reliability.

Diagnostics include squib resistance measurement and continuous monitoring for shorts to ground, shorts to battery, and for open loops. The high and lowside drivers CS2082 can be individually activated to guarantee function and to identify shorts between firing loops. Additional features include power on reset, overtemperature protection, a charge pump, highside safing sensor closure detection, an analog multiplexer, a monitor to ensure battery potential, and a programmable monitor to ensure firing potential.