○Product structure: Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.

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TSZ02201-0T3T0C500040-1-2

© 2015 ROHM Co., Ltd. All rights reserved.

TSZ22111・15・001

www.rohm.com

4.Jun.2015 Rev.002

Serial-in Parallel-out LED Driver

24ch Constant Current LED Driver IC

with 2-line Serial Interface

BD2808MUV-M

General Description

BD2808MUV-M is 24ch Constant current sink LED Driver

with a high output voltage capability.

This device is optimized for driving RGB LEDs featuring a

6bit Current DAC for each color.

8bit PWM control is integrated for each channel.

Small VQFN48MCV070 package.

.

Features





2-Line Serial Control + Enable Signal



VQFN48 Package



24 channel constant current LED driver (max

50mA / channel)



Independent PWM control for each channel



6 bit current DAC for RGB



Protection features



Equipped with PWM phase shift function to reduce

EMI

(Note1: Grade 2)

Applications



Instrument Cluster



LED status indicators



Instrument backlighting



LED Interior illumination

Key Specifications



Input Voltage Range:

3.0V to 5.5V



Output Voltage Range:

20V (Max)



DC Output Current (per ch):

50mA (Max)



Operating Temperature Range:

-40°C to +105°C

Package

W (Typ) x D (Typ) x H (Max)

VQFN48MCV070

7.00mm x 7.00mm x 1.00mm

Typical Application Circuit

Figure 1. Typical Application Circuit

VQFN48MCV070

BD2808MUV

Micro-

computer

OUTG5

VCC

3.0~5.5V

VLED

(Max=20V )

VCC

OUTR5

PGN D

OUTB4

OUTG4

OUTR4

OUTB3

OUTG3

OUTR3

PGN D

OUTB2

OUTG2

A5

SDI

TEST2

AGND

CLK

TEST3

OE

ISET

AGND

VCC

TEST1

A0

CVCC

RISET

RXERR

CVLED

ROUTR0～7

ROUTG0～7

ROUTB0～7

Fuse