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ET6034A Dataheets PDF



Part Number ET6034A
Manufacturers Etek Microelectronics
Logo Etek Microelectronics
Description 16 Constant Current LED Driver
Datasheet ET6034A DatasheetET6034A Datasheet (PDF)

Etek Microelectronics ET6034A 16 LED ET6034A 128 LED , 16 LED , 3~40mA 。ET6034A I2C ,, 。 128 , 0%~190%。OUT0~5、OUT10~15 LED ,, RGB 。  16   :<±1.5%(); :<±3%()。  ,  128(:0%~190%) :3~40 mA  I2C,4  RGB   :3.3V/5V  : QFN24(ET6034AY) Rev 1.2 2011-11-10 1/10 ET6034A 1,7 2 3 4 5 6 8~23 24 QFN24(ET6034AY) NC R-EXT VDD GND SDI SCL OUT0~OUT15 ADDR ; 。 3.3V/5V 。 。 I2C 。 I2C 。 。 Rev 1.2 2011-11-10 2/10 ET6034A 1.I2C MCU SDA SCL ET6034A 。SDA SCL 。 。 SCL ,SDA 。 .

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Etek Microelectronics ET6034A 16 LED ET6034A 128 LED , 16 LED , 3~40mA 。ET6034A I2C ,, 。 128 , 0%~190%。OUT0~5、OUT10~15 LED ,, RGB 。  16   :<±1.5%(); :<±3%()。  ,  128(:0%~190%) :3~40 mA  I2C,4  RGB   :3.3V/5V  : QFN24(ET6034AY) Rev 1.2 2011-11-10 1/10 ET6034A 1,7 2 3 4 5 6 8~23 24 QFN24(ET6034AY) NC R-EXT VDD GND SDI SCL OUT0~OUT15 ADDR ; 。 3.3V/5V 。 。 I2C 。 I2C 。 。 Rev 1.2 2011-11-10 2/10 ET6034A 1.I2C MCU SDA SCL ET6034A 。SDA SCL 。 。 SCL ,SDA 。 SCL , SDA 。 () SCL ,SDA , SCL ,SDA 。 8 。。 MSB。 , SDA ,,ET6034A SDA 。 SDA MSB SCL S or RS 123 Start or Repeat start 67 I2C :ACK= MSB= S= RS= P= =400KBITS/S Restart: SDA ET6034A , ADDR VDD 4EH() GND 46H() SCL 4AH() SDA 4CH() ACK 89 RS or P ACK Stop or Repeat start Rev 1.2 2011-11-10 3/10 ET6034A I2C (): ()   =01100110b  ACK=  = addres(xxx + 5 addre)  ACK=  1=( cmd1)  ACK=  ……………  n=( cmdn)  ACK=  2. Rev 1.2 2011-11-10 4/10 ET6034A 1 Addr: 00h Addr Bit Bit Name 00H 0 shutdown 7:1 x Default Access 1b W xx Reset Register Description 0b 1b Don’t Care 2 LED Addr: 00h LED enbale Register Addr Bit Bit Name Default Access Description RGB0 (LED0LED2) 0 rgb0_oe 1b W 0b 1b RGB1 (LED3LED5) 1 rgb1_oe 1b W 0b 1b LED (LED6LED7) 2 led67_oe 1b W 0b 1b 01H LED (LED8LED9) 3 led89_oe 1b W 0b 1b RGB2 (LED10LED12) 4 rgb2_oe 1b W 0b 1b RGB3 (LED13LED15) 5 rgb3_oe 1b W 0b 1b 7:6 xx xx xx xx Don’t Care :(1) 3 LED (),, RGBn ,n 03,RGB (2) 2 , 3 LED (), LED 3 () Addr: 0213h Fix Brightness Register Addr Bit Bit Name Default Access Description () 02H09H, 0CH13H 6:0 fixbrit_ledn 00h W 00h 01h …… () Rev 1.2 2011-11-10 5/10 ET6034A 7FH 7 x xx Don’t Care :(1) n 015 (2) LEDn LED0LED15, 3. ET6034A ,,,。 ET6034A : 1) ±1.5%(),±3%()。 2) ,。 LED (Vf) 。 4. , Rext (IOUT)。 Iout /mA 50 45 40 35 30 25 20 15 10 5 0 0 1 Iout 2 34 R-ext/KΩ R-ext R-EXT , Ω 。 ( 1010010): VR-EXT = 1.24V;IOUT = (VR-EXT / Rext )×12.5 VR-EXT R-EXT ,Rext R-EXT 。 1240Ω, 12.5mA()。 (DA6~DA0): 0000000( 1010010 ) (0000000~1000000), 0%~64%, 65 。 (1000001~1111111), 66%~190%, 63 。 (:D 6 10 ): :=D/100 :=(2D+64)/100 : Rev 1.2 2011-11-10 6/10 ET6034A (VDD=5V ,Ta=25℃) 1 () VDD IOUT IOH IOUT1 dIOUT1 VDD VIN IOUT FCLK IGND Topr Tstg 0~5.5 -0.4~VDD +0.4 +40 400 +1000 -40~+85 -55~+150 V V mA kHz mA ℃ ℃ - VOH =VDD VDS =1.0V Rext =1240Ω IOL=12.5mA Rext =1240Ω 4.5 3 - 5.0 12.5 ±1.5 5.5 40 0.5 ±3 V mA μA mA % Rev 1.2 2011-11-10 7/10 ET6034A 2 () IOUT2 dIOUT2 () dIOUT3 vs. vs. %/dVDS %/dVDD IDD(SSD) IDD (off)1 “OFF” IDD (off)2 IDD (off)3 “ON” IDD (on)1 IDD (on)2 VDS =1.0V VDS =1.0V Rext =620Ω IOL=25mA VDS =1.0V Rext =620Ω IOL=25mA VDS =1.0V Rext =620Ω =1.0~3.0V =4.5~5.5V Rext =, OUT0~OUT15=Off Rext =1240Ω, OUT0~OUT15=Off Rext =827Ω, OUT0~OUT15=Off Rext =1240Ω, OUT0~O.


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