BU24024GU

Datasheet System Lens Drivers μ-step System Lens Driver for Digital Still Cameras BU24024GU ●General Description BU24024GU is a system Lens Driver that uses μ-step driving to make the configuration of the sophisticated, high precision and low noise lens driver system possible. This IC has a built-in driver for both DC motor and voice coil motor and a μ-step controller that decreases CPU power. Therefore, multifunctional lens can be applied. ●Features „ Built-in 7 channels Driver block 1ch-5ch: Voltage control type H-bridge (Adaptable to STM 2systems) 6,7ch: Current control type H-bridge „ Built-in 2 channels PI driving circuit ●Applications „ Digital still cameras ●Typical Application Circuit ●Key Specifications „ Digital Power Supply Voltage: 2.7V to 3.6V „ Driver Power Supply Voltage: 2.7V to 5.5V „ Output Current (1ch-4ch,6ch,7ch): ±400mA(Max) „ Output Current (5ch): ±600mA(Max) „ Input Clock Frequency: 1MHz to 27.5MHz „ FET ON Resistance (1ch-5ch): 1.5Ω(Typ) „ FET ON Resistance (6ch,7ch): 1.1Ω(Typ) „ Operating Temperature Range: -20℃ to +85℃ ●Package VCSP85H3 3.50mm x 3.60mm x 1.00mm Example1 Photo interrupter DVDD DVSS OUT5A 5ch OUT5B Driver RNF6 OUT6A 6ch OUT6B Driver RNF7 OUT7A 7ch OUT7B Driver PIOUT1 PIOUT2 Logic VDDAMP67 MVCC12 MVCC34 MVCC5 MGND67 MGND125 MGND34 1ch Driver OUT1A OUT1B 2ch Driver OUT2A OUT2B 3ch Driver OUT3A OUT3B 4ch Driver OUT4A OUT4B M M FCLK CSB SCLK SDATA STATE11 STATE21 STATE12 STATE22 IN7A IN7B Main Host ...