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BU64985GWZ Datasheet(PDF) 1 Page - Rohm |
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BU64985GWZ Datasheet(HTML) 1 Page - Rohm |
1 / 25 page ○ Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays . 1/21 TSZ02201-0K1K0B601860-1-2 © 2016 ROHM Co., Ltd. All rights reserved. 6. Oct.2016 Rev.003 TSZ22111・15・001 www.rohm.com Bi-directional VCM driver for Auto focus BU64985GWZ General Description The BU64985GWZ is designed to drive Bi-directional voice coil motors. Additionally the driver is able to source the output current without the need for a direction control signal. The driver includes ISRC (intelligent slew rate control) to reduce mechanical ringing to optimize the camera’s autofocus capabilities. Features 1.8V Power Supply Bi-directional Constant Current Driver Current Source and Sink Output 10 bit Resolution Current Control 2-wire Serial Interface (I2C Fm+ compatible) Integrated Current Sense Resistor Power-on Reset Thermal Shutdown Protection Applications Mobile Camera Module Bi-directional VCM Actuators Key Specifications Power Supply Range: 1.6V to 1.98V Standby Current: 0µA (Typ) Internal Resistance: 1.3Ω (Typ) Master Clock: 400kHz (Typ) Maximum Output Current: +60mA, -60mA (Typ) Temperature Range: -25°C to +85°C Packages W (Typ) x D (Typ) x H (Max) UCSP30L1A 0.77mm x 1.2mm x 0.33mm Typical Application Circuit Figure 1. Typical Application Circuit VCC Isource GND VCM MTR SCL SDA LOGIC VREF Power save 10 bit DAC Isink Current Sense OUTPUT Control_A POR TSD OUTPUT Control_B Pre driver + - Direction Control & 1.8V I2C master 1.8V 0.1 to 10uF VDD 0.1 to 10µF |
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