Motor Control Circuits
ICs for Motor
AN6612, AN6612S
Motor Control Circuits
s Overview
The AN6612 and the AN6612S are the electronic governor ...
Description
ICs for Motor
AN6612, AN6612S
Motor Control Circuits
s Overview
The AN6612 and the AN6612S are the electronic governor circuits suitable for the rotating speed control of a low voltage and compact DC motor which is used for a small tape recorder, etc.
AN6612
Unit : mm
1 9.4±0.3 2 3 4 6.3±0.3
8 7
s Features Wide range of operating voltage : VCC (opr) =1.8V ~ 8V 2 package types Fewer external parts Speed control in steps with linear fine control Output current limiting circuit is built-in
5
0.51min. 3.8±0.25 (3.45)
3 ~ 15˚
7.62±0.25
0.15 –
+ 0.1 0.05
8-Lead DIP Package (DIP008-P-0300B)
AN6612S
0.4±0.25
Unit : mm
0.6±0.3
1 2 3 4
8 7 6 5 5.0±0.3 0.15 0.65 1.5±0.2
0.1±0.1
1.27
0.3
4.2±0.3 6.5±0.3
8-Lead SOP Package (SOP008-P-0225A)
s Block Diagram
VM 8 10kΩ R9 1kΩ R10 VO 7 VB 6 GND 5
+ Comparator – Start Circuit
Ref.Voltage 1 VRM 2 VRP 3 VI 4 VCC
2.54
6
0.5±0.1 1.2±0.25
AN6612, AN6612S
s Pin Descriptions
Pin No. 1 2 3 4 Pin Name Current Sensor Reference Voltage Control VCC Pin No. 5 6 7 8 GND Base Output Base Motor pin Pin Name
ICs for Motor
s Absolute Maximum Ratings (Ta= 25˚C)
Parameter Supply Voltage Supply Current Power Dissipation AN6612 AN6612S AN6612 AN6612S Symbol VCC I4 PD Topr Tstg Rating 10 5 400 200 –20 ~ + 75 –40 ~ +150 –40 ~ +125 Unit V mA mW ˚C ˚C
Operating Ambient Temperature Storage Temperature
s Electrical Characteristics (Ta = 25˚C)
Parameter Supply Current Reference Voltage Starting Current Voltage Variable Characterist...
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