Zywyn Corporation
ZSP4412A
Block Diagram
VBATTERY
VBATTERY
0.1µF
Low ESR
decoupling
capacitor
30mH/125 Ω
8
1
5
HON
VD D
Coil
fCOIL
HV1
HV2
Clock
Divider
Chain
External
Clock
3
fLAMP
Q
Q
FF1
FF2
fLAMP
2
NC
VSS
EL2
EL1
6
4
7
EL Lamp
Figure 1. ZSP4412A Block Diagram
Pin Function
Pin Description
Pin Number
Pin Name
HON
1
2
3
4
5
6
7
8
Enable for driver operation: high = active; low = inactive.
No connect.
NC
OSC INPUT
VSS
Oscillator clock input.
Power supply common: connect to ground.
Coil input: connect coil from VDD to this pin.
Lamp driver output 1: connect to EL lamp.
Lamp driver output 2: connect to EL lamp.
Positive supply.
COIL
EL1
EL2
VDD
Bonding Diagram
Die Photo
1143
Measured from center of Pads.
(45)
CLK
PIN
CLK
HON
VDD
X
Y
218.5
418.5
418.5
-178.0
95.5
555.5
555.5
339.5
-555.5
-555.5
-555.5
HON
VDD
Y
Vss
EL2
EL1
COIL
VSS
(0,0)
1397
(55)
X
-416.0
-416.0
219.0
COIL
NOTES:
1. Dimensions are in microns unless otherwise noted (mils).
2. Bonding pads are 125 x 125 microns typical.
3. Outside dimensions are maximum including scribe area.
4. Die thickness is 11 mils +/- 1.
EL2
EL1
5. Pad center coordinates are relative to. the die center.
6. Die substrate down-bonds to Vss (GND).
7. Die mask number is MS131.
8. Die size 1143 x 1397 (45 x 55 mils).
Zywyn
3
January2005
rev. 03