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BU64253GWZ-TR

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ROHM Semiconductor BU64253GWZ-TRSell Excess Inventory

Part No.:
BU64253GWZ-TR
Manufacturer:
ROHM Semiconductor
Category:
Audio Special Purpose
Package:
6-XFBGA, CSPBGA
Datasheet:
OEM STOCKBU64253GWZ-TR.pdf
Description:
BI-DIRECTIONAL VCM DRIVER FOR AU
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Ext Price:$0

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Product details

BU64253GWZ-TR: Bi-Directional VCM Driver for Autofocus Camera Modules – 6-XFBGA
The BU64253GWZ-TR from Rohm Semiconductor is a bi-directional voice coil motor (VCM) driver designed for autofocus camera systems. With I²C control, constant-current drive architecture and a compact 6-XFBGA (CSPBGA) package, it delivers accurate lens positioning and smooth focus transitions in mobile imaging applications.

Product Introduction

The BU64253GWZ-TR is a high-performance CMOS VCM driver developed by Rohm Semiconductor for autofocus control in compact camera modules.

Unlike uni-directional drivers, BU64253GWZ supports bi-directional current drive, allowing the lens to move forward and backward under precise I²C register control. This improves autofocus flexibility and tuning capability in advanced camera systems.

The device integrates driver circuitry into a miniature 6-XFBGA package, making it ideal for space-limited PCB layouts in smartphones, tablets and embedded imaging platforms.

Key Benefits

Bi-Directional Drive Capability

Enables flexible forward and reverse lens movement, improving autofocus accuracy and system calibration.

I²C Serial Control

Supports 2-wire serial communication for seamless integration with camera processors and ISPs.

Compact CSPBGA Package

6-XFBGA form factor reduces board area and supports ultra-thin device designs.

Low Power CMOS Architecture

Optimized for battery-powered mobile systems with minimal operating current consumption.

Technical Features

Constant Current Control

Maintains stable VCM current for smooth lens positioning and reduced mechanical oscillation.

Integrated Protection Features

Designed with internal protection mechanisms to enhance reliability during abnormal operation.

High Integration

Internal driver stages reduce external component count, simplifying module assembly.

Technical Specifications

Manufacturer Rohm Semiconductor
Part Number BU64253GWZ-TR
Function VCM Driver for Autofocus
Drive Direction Bi-directional
Control Interface I²C (2-wire)
Package 6-XFBGA (CSPBGA)
Mounting Type Surface Mount

Equivalent & Manufacturer Information

Equivalent / Alternative Models
  • ROHM BU64297GWZ – Bi-directional VCM driver (same family)
  • ROHM BU64985GWZ – Bi-directional autofocus driver variant
  • ROHM BU64987GWZ – Enhanced VCM driver alternative
  • ON Semiconductor LC898217 – Autofocus actuator driver (verify compatibility)

When selecting a replacement, compare current range, control resolution, compensation behavior and package footprint.

About the Manufacturer – Rohm Semiconductor

Rohm Semiconductor is a global provider of analog, power management and motor driver ICs headquartered in Japan. The company supplies components for consumer electronics, industrial automation and automotive markets.

In camera module applications, Rohm's VCM driver portfolio offers compact packaging, low-noise operation and flexible I²C control architecture for autofocus systems.

Application Field

Smartphone Cameras

Autofocus control for rear and front camera modules.

Tablet Devices

Lens actuation for embedded imaging modules.

Wearable Electronics

Compact optical systems requiring precise VCM drive.

Industrial Vision

Small camera modules in IoT and monitoring systems.

Quality Control

Supply Chain Traceability

Components are sourced from verified channels with full batch traceability documentation.

Parameter Sampling Test

Random electrical verification ensures compliance with manufacturer specifications.

ESD Handling

Stored and handled under strict ESD-protected warehouse conditions.

Packaging Inspection

Final inspection performed before shipment to ensure label accuracy and product integrity.

Frequently Asked Questions (FAQ)

1. What is BU64253GWZ-TR used for?
It is used as a bi-directional VCM driver for autofocus camera modules in mobile and embedded systems.
2. What is the difference between BU64253 and BU64292?
BU64253GWZ-TR supports bi-directional drive, while BU64292 is typically uni-directional.
3. What package is used?
It is supplied in a compact 6-XFBGA (CSPBGA) surface-mount package.

Disclaimer

Specifications are based on publicly available manufacturer data. Designers should consult the official Rohm Semiconductor datasheet before final production implementation.
  • Specifications
  • FAQ
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Attributes
Property Value
Manufacturer
ROHM Semiconductor
Series:
-
Package/Case:
6-XFBGA, CSPBGA
Packaging:
Tape & Reel (TR)
Part Status:
Not For New Designs
Function:
Volume Control
Applications:
Consumer Audio
Interface:
I2C
Voltage - Supply:
2.3V ~ 4.8V
Operating Temperature:
-25°C ~ 85°C
Number of Channels:
1
Specifications:
-
Mounting Style:
Surface Mount
Grade:
-
Category:
Audio Special Purpose
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Pricing and inventory for BU64253GWZ-TR fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.

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We support DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is available. After dispatch, you will receive an email with tracking information. Note: Carriers may take up to 24 hours to show tracking events. Typical transit time: 3–5 days by express; 25–60 days by registered mail.

6) What is the process for return or replacement of BU64253GWZ-TR?

We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with BU64253GWZ-TR, returns/replacements are accepted when:

  • Quantity shortages, wrong items, or obvious external defects (e.g., damage, rust) are confirmed by us;
  • We are notified within 90 days of delivery;
  • The part is unused and in its original, unopened packaging.

Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.

7) How to get technical support (pinout, datasheet) for BU64253GWZ-TR?

Please contact us for technical documents and support related to ROHM Semiconductor BU64253GWZ-TR, including pin diagrams and datasheets. Our team will respond promptly.

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