BD2808MUV-ME2 ROHM

Serial-in Parallel-out LED Driver 24ch Constant Current LED Driver IC with 2-line Serial Interface BD2808MUV-M General Description Key Specifications BD2808MUV-M is 24ch Constant current sink LED Driver Input Voltage Range: 3.0V to 5.5V with a high output voltage capability. Output Voltage Range: 20V (Max) This device is optimized for driving RGB LEDs featuring a DC Output Current (per ch): 50mA (Max) 6bit Current DAC for each color. Operating Temperature Range: -40C to +105C 8bit PWM control is integrated for each channel. Small VQFN48MCV070 package. Package W (Typ) x D (Typ) x H (Max) . VQFN48MCV070 7.00mm x 7.00mm x 1.00mm Features (Note 1) AEC-Q100 Qualified 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) VQFN48MCV070 Applications Instrument Cluster LED status indicators Instrument backlighting LED Interior illumination VLED (Max=20V ) Typical Application Circuit CVLED VCC RXERR A5 OUTG5 SDI OUTR5 TEST2 PGN D Micro- computer AGND OUTB4 CLK OUTG4 TEST3 OUTR4 BD2808MUV OE OUTB3 RISET ISET OUTG3 AGND OUTR3 Fuse VCC PGN D VCC CVCC 3.0~5.5V TEST1 OUTB2 A0 OUTG2 ROUTR07 ROUTG07 ROUTB07 Figure 1. Typical Application Circuit Product structure: Silicon monolithic integrated circuit This product has no designed protection against radioactive rays. www.rohm.com TSZ02201-0T3T0C500040-1-2 2015 ROHM Co., Ltd. All rights reserved. 1/30 4.Jun.2015 Rev.002 TSZ2211115001 A1 A4 A2 A3 SDO XERR PGND PGND OUTR0 OUTB7 OUTG0 OUTG7 OUTB0 OUTR7 PGND PGND OUTR1 OUTB6 OUTG1 OUTG6 OUTB1 OUTR6 OUTR2 OUTB5DatasheetDatasheet BD2808MUV-M Pin Configuration Pin Descriptions 36 25 Pin No. Pin Name Functions 1 A1 Device-address bit 2 A2 Device-address bit 37 24 3 SDO Serial data output A5 OUTG5 4 PGND Ground SDI OUTR5 5 OUTR0 R0 constant-current output TEST3 PGND 6 OUTG0 G0 constant-current output AGND OUTB4 7 OUTB0 B0 constant-current output CLK OUTG4 8 PGND Ground TEST2 OUTR4 9 OUTR1 R1 constant-current output 10 OUTG1 G1 constant-current output OE OUTB3 11 OUTB1 B1 constant-current output ISET OUTG3 12 OUTR2 R2 constant-current output AGND OUTR3 13 OUTG2 G2 constant-current output VCC PGND 14 OUTB2 B2 constant-current output TEST1 OUTB2 15 PGND Ground A0 OUTG2 16 OUTR3 R3 constant-current output 48 13 17 OUTG3 G3 constant-current output 18 OUTB3 B3 constant-current output 19 OUTR4 R4 constant-current output 112 20 OUTG4 G4 constant-current output 21 OUTB4 B4 constant-current output 22 PGND Ground Figure 2. Pin Configuration 23 OUTR5 R5 constant-current output 24 OUTG5 G5 constant-current output 25 OUTB5 B5 constant-current output 26 OUTR6 R6 constant-current output 27 OUTG6 G6 constant-current output 28 OUTB6 B6 constant-current output 29 PGND Ground 30 OUTR7 R7 constant-current output 31 OUTG7 G7 constant-current output 32 OUTB7 B7 constant-current output 33 PGND Ground 34 XERR Error output 35 A3 Device-address bit 36 A4 Device-address bit 37 A5 Device-address MSB 38 SDI Serial data input 39 TEST3 Test terminal 40 AGND Analog Ground 41 CLK Serial data clock input 42 TEST2 Test terminal 43 OE Output enable 44 ISET Constant-current value setting 45 AGND Analog Ground 46 VCC Power supply 47 TEST1 Test terminal 48 A0 Device-address LSB www.rohm.com TSZ02201-0T3T0C500040-1-2 2015 ROHM Co., Ltd. All rights reserved. 2/30 4.Jun.2015 Rev.002 TSZ2211115001 A1 A4 A2 A3 SDO XERR PGND PGND OUTR0 OUTB7 OUTG0 OUTG7 OUTB0 OUTR7 PGND PGND OUTR1 OUTB6 OUTG1 OUTG6 OUTB1 OUTR6 OUTR2 OUTB5