BD2802GU-E2 データシートの表示（PDF） - ROHM Semiconductor

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BD2802GU-E2

System LED Drivers for Mobile phones 6LEDs Illumination

ROHM Semiconductor 

BD2802GU

●Block Diagram / Application Circuit example

VBAT

VBAT2

VBAT1

1µF/10V

VIO

1µF/10V

RESETB

SCL

SDA

RGB1CNT

RGB2CNT

ADDSEL

RGBISET

VREF

Level

I/O

Shift

I2C interface

Digital Control

IREF

TSD

Slope

Control

(RGB1)

Slope

Control

(RGB2)

CLKIO

Technical Note

R1LED

G1LED

B1LED

R2LED

G2LED

B2LED

VBAT

RGB1

RGB2

RGBGND

CLKIO

Fig.3 Block Diagram / Application Circuit example

●Pin Arrangement ［Bottom View］

E

T4 G2LED RGBGND G1LED T3

D B2LED R2LED B1LED R1LED VBAT1

C VBAT2 RGBISE RGB1CNT ADDSEL GND2

index

B GND1

CLKIO SCL

SDA

A

T1 RGB2CNT VIO RESETB T2

1

2

3

4

5

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3/27

2011.04 - Rev.A

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