E981.18A39FB ELMOS Semiconductor, E981.18A39FB Datasheet - Page 14

• 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
5.1.3
U
•
•
•
•
•
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
No.
1
..U
U
resistance measurement
U
U
U
see chapter 5.3
The U
1
1
x
1
1 I(U1) Quiescent current
2 I(U2,U3,U4) Quiescent current 8V<U
3 Minimum V
4 Error of input current
4
/U
supplies passive gate pull down structures for each HSD
supplies internal V
voltage is provided with a supply monitoring. For more details regarding global supply monitoring
Firing current source supplies:
that V
normal operating range.
ΔI
2
Table 8: Terminal U
U1-RREF
supply internal analogue supply voltage V
Terminal Ux [x=1..4], external voltage supply for deployment current
X
voltages are visible at the analogue output AMX
LSDSUP
= (I
Description
U1
and V
U1
-I
voltage to ensure
RREF
8_IREF
8_IREF
)/I
U1
voltage source providing internal I
are in
X
, x=[1-4] external supply voltage used as fire current source
8V<U
X=[1]
I
disabled, all
Driver switched
off.
X=[2..4]
I
disabled, all
drivers switched
off,
4.5V<V
4.5V<V
8V< U1 < 35V;
all drivers
disabled;
I
R
REF
REF
REF
REF
Condition
diagnosis
diagnosis
switched to
X
X
Page 14 of 63
<35V,
<35V,
5
5
Data Sheet
<5.5V;
<5.5V;
LSDSUP
used for LSD gate charging
I
I
V
ΔI
U1
UX
U1_EN
U1-RREF
, x=[2..4]
Symbol
REF40mA
current source for squib
7.2
Min
QM-No.: 25DS0072E.00
Typ
Max
500
400
E981.18
2,5
8
Unit
µA
µA
%
V