E981.18A39FB ELMOS Semiconductor, E981.18A39FB Datasheet - Page 36

• Manufacturer Part Number: E981.18A39FB
• Description: Motor / Motion / Ignition Controllers & Drivers 8ch squib driver
• Manufacturer: ELMOS Semiconductor
• Type: Airbag Squib Driverr

Specifications of E981.18A39FB

• Rohs: yes
• Product: Electromechanical Drivers
• Operating Supply Voltage: 5 V
• Supply Current: 4.3 mA
• Operating Temperature: - 40 C to + 95 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-44
• Number Of Outputs: 8
• Power Dissipation: 3.2 W

8-Channel Airbag Squib Driver
PRELIMINARY INFORMATION - AUG 01, 2011
The following measurements can be performed during application:
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5.10.1
Diagnosis signals visible at AMX pin
1.)Signals at multiplexer S1:
1. FUSEFAIL_REG:
2. TEST_LOW_REG:
3. TEST_UP_REG:
4. LCM_REG:
5. HCM_REG:
6. FTL_OR:
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
ELMOS Semiconductor AG
Leakage to ground/plus measurement
Squib resistance measurement
Lower transistor measurement
Upper transistor measurement
Arming measurement
Unlock out measurement
Internal and external supply measurement
Firing Time Limiter (FTL) Test
Read out of critical internal register values
Multiplexor S1-S4
Logic_H
Logic_H
Logic_H
Logic_H
Logic_H
Logic OR combination of all 8 Firing Time Limiter (FTL). If at least one
timer has reached its CNTR end value, signal switched to logic high
Fig. 19 Diagnosis block diagram
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Error in trimming ARRAY
Test lower side active
Test upper side active
Low Current Mode (LCM) active
High Current Mode (HCM) active
Data Sheet
QM-No.: 25DS0072E.00
E981.18