BD26502GUL-E2

更新时间： 2024-11-04 08:51:19

品牌	Logo	应用领域
罗姆 - ROHM		显示驱动器
页数	文件大小	规格书
40页	725K
描述
7x17(Max.) Dot Matrix LED Display Driver

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中文翻译

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BD26502GUL-E2 数据手册

System LED Drivers for Mobile Phones

7x17(Max.) Dot Matrix

LED Display Driver

BD26502GUL

No.10041EAT01

●Description

BD26502GUL is “Matrix LED Driver” that is the most suitable for the cellular phone.

It can control 7x17(119 dot) LED Matrix by internal 7-channel PMOS SWs and 17-channel LED drivers.

It can control the luminance and firefly lighting of the LED matrix by the setting of the internal register.

It supports SPI and I2C interface.

VCSP50L4 (4.1mm^□0.55mm height max), small and thin type chip size package.

It adopts the very thin CSP package that is the most suitable for the slim phone.

●Features

1) LED Matrix driver (7x17)

・It has 7-channel PMOS SWs and 17-channel current drivers with 1/7 timing driven sequentially.

・Put ON/OFF(for every dot).

・The current drivers can drive 0-20.00mA current with 16 step(for every dot).

・64 steps of the luminance control by PWM (common setting for all dots)

・Continuous (TDMA off ) lighting function for LED14-LED17

・Easy register setting by A/B 2-side map for each dot.

2) Automatic Slope function

・Cycle time, Slope time can be set for each dot.

3) 8-direction automatic scroll function.

4) Interface

・SPI and I²C BUS FS mode(max 400kHz)Compatibility

・For I²C mode, I²C Device address is selectable (74h or 75h)

5) Thermal shutdown

6) Small and thin CSP package

・62pin VCSP50L4(4.1mm²0.55mm height max)

*This chip is not designed to protect itself against radioactive rays.

*This material may be changed on its way to designing.

*This material is not the official specification.

●Absolute Maximum Ratings (Ta=25 ^oC)

Parameter

Maximum voltage (note2)

Maximum voltage (note1)

Power Dissipation (note3)

Operating Temperature Range

Storage Temperature Range

Symbol

VMAX

VIOMAX

Ratings

Unit

4.5

1550

℃

Topr

-40 ~ +85

-55 ~ +150

Tstg

℃

note1) VIO,RESETB,CE,SDA,SCL,IFMODE,SYNC,CLKIN,CLKOUT,TEST1,TEST2,TEST3,TESTO, DO terminal

note2) Except the above

note3) Power dissipation deleting is 12.4mW/ ^oC , when it’s used in over 25 ^oC. (ROHM’s standard board has been mounted.)

The power dissipation of the IC has to be less than the one of the package.

●Operating Conditions (VBAT≥VIO, VINSW≥VBAT, Ta=-40~85 ^oC)

Parameter

VBAT input voltage

Symbol

VBAT

VINSW

VIO

Limits

Unit

2.7 ~ 5.5

1.65 ~ 3.3

VINSW input voltage

VIO pin voltage

www.rohm.com

2010.02 - Rev.A

1/39

12 3 4 5 6 7...40

中文翻译

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