CS3341/3351/386/387
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
14L SO
1
2
3, 6, 7, 9, 13
4
5
8
10
11
12
14
Flip Chip
1
2
3
4
5
6
7
8
9
10
Driver
Gnd
NC
OSC
Lamp
IGN
Stator
Sense
V
CC
SC
Output driver for external power switch-Darlington.
Ground.
No connection.
Timing capacitor for oscillator.
Base driver for lamp driver indicates no stator signal or over-
voltage condition.
Switched ignition power up.
Stator signal input for stator timer (CS3351 also power up).
Battery sense voltage regulator comparator input and
protection.
Supply for IC.
Short circuit sensing.
Typical Performance Characteristics
CS3341/3351 Battery Voltage vs Temperature (°C)
Over Process Variation
15.5
15
Battery Voltage
14.5
14
13.5
13
−40
−20
0
20
40
60
80
100
120
Temperature (°C)
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
