L9634 datasheet(27/36 Pages) STMICROELECTRONICS

Part #	L9634

Description	SQUIB RESISTANCE MEASUREMENT

PDF	36 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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L9634

Table 22. Diagnostic Fault-bit Definition

4.31 Resistance Measurement Registers

OSD has 8 independent resistance measurement registers. The resistance measurement registers is de-

fined as shown in the table.

Table 23. ADC Resistance Measurement Register

ADC resistance measurement registers contain the measurement results of each of the OSD deployment

channels. The channel number is determined by the address bit in diagnostic command (see Address bit

definition table 13)

D6/D2

D5/D1

D4/D0

Description

No Fault

Short Between Loops

Short to Battery

Open Fault

Short to Ground

Low Side MOS Fault

High Side MOS Fault

Loss of Ground Fault

Bit

Description

8-bit ADC Resistance Measurement Result

Obsolete

Product(s)

- Obsolete

Product(s)

L9634 Datasheet(PDF) 27 Page - STMicroelectronics