Uni-directional VCM Driver for Autofocus

The BU64292GWZ is designed to drive Uni-directional voice coil motors. The driver includes ISRC (Intelligent Slew Rate Control) to reduce mechanical ringing to optimize the camera’s autofocus capabilities.

Data Sheet Buy * Sample *
* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

Part Number | BU64292GWZ-TR
Status | Recommended
Package | UCSP25L1
Unit Quantity | 6000
Minimum Package Quantity | 6000
Packing Type | Taping
RoHS | Yes








Operating Temperature (Min.)[°C]


Operating Temperature (Max.)[°C]


Package Size [mm]

0.68x1.08 (t=0.3)


  • Constant Current Driver
  • 10 bit Resolution Current Control
  • ISRC Mechanical Ringing Compensation
  • 2-wire Serial Interface(I²C FAST-MODE Plus Compatible)
  • Integrated Current Sense Resistor
  • Maximum Output Current Selectable

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
  • Basics of Thermal Resistance and Heat Dissipation
  • 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

  • REACH SVHC Non-use Declaration