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