BU64985GWZ
Bi-directional VCM driver for Auto focus

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 drivers include ISRC (intelligent slew rate control) to reduce mechanical ringing to optimize the camera’s autofocus capabilities.

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Product Detail

 
Part Number | BU64985GWZ-TR
Status | Recommended
Package | UCSP30L1A
Unit Quantity | 6000
Minimum Package Quantity | 6000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Usage

Mobile Camera Module

Interface

I2C

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

85

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
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Design Resources

 

Technical Articles

Schematic Design & Verification

  • Method for Monitoring Switching Waveform
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Notes for Temperature Measurement Using Thermocouples
  • Two-Resistor Model for Thermal Simulation
  • Notes for Temperature Measurement Using Forward Voltage of PN Junction
  • Thermal Resistance
  • Precautions When Measuring the Rear of the Package with a Thermocouple

Packaging & Quality

Package Information

  • Package Information

Manufacturing Data

  • Factory Information

Environmental Data

  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)