ROHM BD26502GUL Technical Note

BD26502GUL is “Matrix LED Driver”, is suitable for cellular phone LED driver, can control 7x17(119 dot) LED Matrix, support SPI and I2C interface.


ROHM BD26502GUL Technical Note - cover page
Brand
ROHM
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
40
File format
PDF
File size
738 KB
Published
04 June, 2012
Updated
30 September, 2023
MD5 checksum
C87555657167D9BD74EF038320239B9B

About this manual

The BD26502GUL is a matrix LED driver designed for mobile phones, capable of controlling a 7×17 (119‑dot) LED matrix with internal 7‑channel PMOS switches and 17‑channel current drivers. It supports SPI and I²C interfaces and offers adjustable luminance, firefly lighting, and automatic scrolling functions.

The document includes absolute maximum ratings, operating conditions, electrical characteristics, package details (62‑pin VCSP50L4 CSP), pin functions, block diagrams for example circuits, and ordering information. It is intended for designers integrating the driver into slim electronic devices.

What's inside

  • Description
  • Features
  • Absolute Maximum Ratings
  • Operating Conditions
  • Electrical Characteristics
  • Power Dissipation
  • Block Diagram / Application Circuit Example 1
  • Block Diagram / Application Circuit Example 2
  • Pin Arrangement
  • Package

Specifications

Maximum voltage VMAX7 V
Maximum voltage VIOMAX45 V
Power Dissipation Pd1550 mW
Operating Temperature Range-40 ~ +85 °C
VBAT input voltage range2.7~5.5 V
Maximum LED driver current ILEDMax20.00 mA
Package pin count62 pins

Frequently asked questions

What communication interfaces does the BD26502GUL support?

It supports SPI and I²C interfaces.

How many pins are in the BD26502GUL package?

The device is packaged in a 62‑pin VCSP50L4 CSP.

What is the maximum LED current per channel?

Each LED driver channel can source up to 20.00 mA.

What is the operating temperature range of the device?

The device operates from –40 °C to +85 °C.

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