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