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ICs for Motor AN6612, AN6612S Motor Control Circuits Overview AN6612 Unit : mm The AN6612 and the AN6612S are the electronic gov- ernor circuits suitable for the rotating speed control of a low voltage and compact DC motor which is used for a 1 8 small tape recorder, etc. 2 7 3 6 Features 4 5 • Wide range of operating voltage : VCC (opr) =1.8V ~ 8V 0.51min. 6.3± 0.3 • 2 package types 3.8± 0.25 (3.45) • Fewer external parts • Speed control in steps with linear fine control • Output current limiting circuit is built-in 7.62± 0.25 3 ~ 15? 8-Lead DIP Package (DIP008-P-0300B) AN6612S Unit : mm 1 8 2 7 3 6 4 5 0.3 4.2± 0.3 6.5± 0.3 8-Lead SOP Package (SOP008-P-0225A) Block Diagram VM VO VB GND 8 7 6 5 10k? R9 1k? R10 + Comparator Start – Circuit