Star Micronics TSP1000 user manual Drive circuit

Drive circuit

The recommended drive unit is shown below.

[ Drive Circuit ] F.G

2SD1866

1

2

D1

Buzzer

M-GND

6 1

6-P Modular jack connector

+24V

7824

3

4

Drive Output: 24V, Max. 1.0A

Printer side User side

Reference

2SD1866 Circuit Configuration

B

R3 R4

C

E

R3=3.5K

R2=300

Note:

1)Pin 1 must be shield drain wire connected to buzzer device frame ground.

2)For continuous driving, Maximum drive output is 0.1A.

3)Absolute maximum ratings for diodes D1 (Ta = 25°C) is: Average Rectified Current Io = 1A

4)Absolute maximum rating for transistors 2SD1866 (Ta = 25°C) is: Collector current Ic = 2A

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