CS1108
Single Lamp Driver IC
This ASIC provides up to 350 mA of drive current for powering
bulbs. The typical application for this part is for use in airbag systems
using a type 194 bulb. On–chip diagnostics provide open circuit and
short circuit detection in the output on mode. In addition, the output
driver will turn on (sink current) when V
is low. Fault is an
CC
http://onsemi.com
active–low output which reports in the output–on mode. Internal
pull–up circuitry is provided to ensure the output pin turns on when the
Control pin is floating.
8
1
Features
• Fault Detection
SO–8
DF SUFFIX
CASE 751
– Open Circuit
– Short Circuit
– Overtemperature
• V Sense: Output Turns On with Loss of V
• Low Standby Current
CC
CC
PIN CONNECTIONS AND
MARKING DIAGRAM
• Internally Fused Leads in SO–8 Package
1
8
Output
GND
GND
GND
GND
V
CC
Fault
V
CC
Control
I
Output
SOURCE
V
CC(SENSE)
Drive &
Bias
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
Control
WW, W = Work Week
Overtemp
Shutdown
Duty cycle
during short
circuit
ORDERING INFORMATION
+
–
Device
Package
Shipping
Short Circuit
Detect
CS1108EDF8
95 Units/Rail
Fault
SO–8
SO–8
–
+
CS1108EDFR8
2500 Tape & Reel
Open Circuit
Detect
GND GND GND
GND
Figure 1. Block Diagram
Semiconductor Components Industries, LLC, 2001
1
Publication Order Number:
April, 2001 – Rev. 6
CS1108/D