BD2808MUV-M Datasheet, PDF (1/34 Pages) Rohm – 24ch Constant Current LED Driver IC

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.
.
Key Specifications
Input Voltage Range:
Output Voltage Range:
DC Output Current (per ch):
Operating Temperature Range:
3.0V to 5.5V
20V (Max)
50mA (Max)
-40°C to +105°C
Package
VQFN48MCV070
W (Typ) x D (Typ) x H (Max)
7.00mm x 7.00mm x 1.00mm
Features
 AEC-Q100 Qualified ^{(Note 1)}
 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
VQFN48MCV070
Typical Application Circuit
CVLED
VLED
(Max=20V )
VCC
RXERR
A5
Micro-
computer
SDI
TEST2
AGND
CLK
TEST3
RISET
OE
ISET
Fuse
VCC
3.0~5.5V
CVCC
AGND
VCC
TEST1
A0
BD2808MUV
OUTG5
OUTR5
PGN D
OUTB4
OUTG4
OUTR4
OUTB3
OUTG3
OUTR3
PGN D
OUTB2
OUTG2
R OU T R 0～7
Figure 1. Typical Application Circuit
R OU T G0～ 7
R OU T B 0～7
○Product structure: Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.
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4.Jun.2015 Rev.002