ETC HS2981

HS2981
Ignition Controller for Motorcycle
HSiN Semiconductor Pte Ltd
www.hsin.com.sg
1. Overview
The HS2981 is an ignition controller IC for large power motorcycle. It has features of high
reliability, convenience and simple circuit.
Low number of external components
Easy adjustment
Low quiescent current (Typ 15mA) and low power dissipation
Ignition time and power is set according to the motor rotation speed
DIP24
2. Block Diagram and Pin Description
2.1 Block Diagram
7
8
9
10
11
22
16
24
14
Vref
Bias Adjustment
1
21
Vref
Output Pulse
Adjustment
Angle
ADJ
19
Ignition
Ignition
Pulse
Pulse
Generation
Output
AMP
Pulse
ADJ
15
Bias Adjustment
2
3
4
5
6
23
20
18
17
13
12
2.2 Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Symbol
Vref1
ADJV1
Vref2
ADJV2
ADJV3
Vref3
ADJI1
ADJI2
ADJI3
ADJI4
ADJI5
GND
Description
Reference Voltage 1
Voltage Adjustment 1
Reference Voltage 2
Voltage Adjustmen2
Voltage Adjustmen3
Voltage Adjustmen3
Current Adjustment 1
Current Adjustment 2
Current Adjustment 3
Current Adjustment 4
Current Adjustment 5
GND
Pin No.
13
14
15
16
17
18
19
20
21
22
23
24
Page 1 of 3
Symbol
GND
ADJVO1
VO
ADJVO2
GND
NC
Vin
NC
VCC
DISCHG
CHG
Vref4
Description
GND
Output Adjustment 1
Output
Output Adjustment 2
GND
NC
Input
NC
Supply Voltage
Discharge
Charge
Reference Voltage 4
3. Electrical Characteristics
3.1 Absolute Maximum Ratings
Unless otherwise specified, Tamb= 25
Parameter
Symbol
Supply Voltage
VCC
Power Dissipation
PD
Operating Temperature
Tamb
Storage Temperature
Tstg
Value
12
1.2
-40 ~ 85
150
Unit
V
W
3.2 Electrical Characteristics
Unless otherwise specified, Tamb= 25 , VCC = 5V, V19 =5V
Parameter
Quiescent Current
Pin 1 Reference Voltage
Pin 6 Reference Voltage
Pin 2 Voltage
Pin 3 Voltage
Pin 4 Voltage
Pin 5 Voltage
Pin 7 Voltage
Pin 8 Voltage
Pin 9 Voltage
Pin 10 Voltage
Pin 11 Voltage
V14 Output Adjustment
V14 Output Adjustment
Output High Level
Output Low Level
Pin 24 Voltage
Input Low Level
Input High Level
Input Low Level
Input High Level
Symbol
ICCQ
V1
V6
V2
V3
V4
V5
V7
V8
V9
V10
V11
V14OL
V14OH
V15OH
V15OL
V24
V22OL
V22OH
V23OL
V23OH
Test Conditions
VCC =4V
VCC =5V
VCC =7V
V19 =0V
V19 =0V
Min
10
V19 =0V
V19 =0V
V19 =0V
V19 =0V
V19 =0V
Page 2 of 3
1.0
Value
Typ
11
15
21
4.4
0
0.3
0.1
0.4
0.3
1.4
1.4
1.4
1.3
1.4
50
2.3
1.6
0.1
10
0.2
2.9
50
2.9
Max
20
0.3
Unit
mA
V
V
V
V
V
V
V
V
V
V
V
mV
V
V
V
mV
V
V
mV
V
6
5. Package Dimensions
Page 3 of 3
20k
5
6.8k
4
19
110k
62k
3
20
68k
2
21
6.8k
22
110k
36k
1
20k
HS2981
18
17
16
15
14
13
7
8
9
10
11
12
D2141
1uF
160k
0.047uF
27k
33uF
680
560k
6800pF
10k
1.6k
1.8k
680pF
15k
2.2uF
5.6k
23
8.2k
5.6k
24
0.1uF
0.47uF
1k
0.047uF
68k
10uF
12k
10uF
20k
0.015uF
2.7k
1N4007
1N4007
4. Application Circuit
Vin
78L05
Vs=12V
OUT