BU64295GWZ
Bi-directional VCM driver for Auto focus

The BU64295GWZ 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.

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Product Detail

 
Part Number | BU64295GWZ-TR
Status | Recommended
Package | UCSP30L1
Unit Quantity | 6000
Minimum Package Quantity | 6000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Usage

VCM

Interface

I2C

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

85

Features:

  • Bi-directional Constant Current Driver
  • 10 bit Resolution Current Control
  • ISRC Mechanical Ringing Compensation
  • 2-wire Serial Interface (I²C compatible)
  • Integrated Current Sense Resistor
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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

  • 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

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration