ADT6610 ADTECH | Alldatasheet

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Technical content

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 ADT6610 Data Sheet

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610

Revision History

0.0 -. First Version 2011. 8. 25

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610

FEATURES

  • Constant output current range : 5mA to 100mA with three external resistors
  • 3 channel constant current LED sink driver for RGB LED clusters
  • Two wire only transmission interface - Clock re-generation to recover the clock duty cycle
  • 8/12/16bit grayscale PWM control
  • Supply voltage range : 5 ~ 18V
  • Embedded voltage regul ator : VDD generation
  • Maximum sinking output voltage : 18V
  • 5V CMOS compatible input
  • Package : SOP16, SSOP16
  • Maximum serial input frequency : 10MHz
  • Built in internal RC oscillator is 10MHz
  • RoHS-compliant package APPLICATION
  • Channel sign
  • Architectural lighting
  • LED curtain display or LED strip
  • Neon sign replacement 16SOP 16SSOP GENERAL DESCRIPTION The ADT6610 is a 3-channel constant current LED driver that has a wide range of output currents. The ADT6610 controls LED brightness with a Pulse Width Modulation (PWM) scheme that gives the application the capability of displaying a billion colors in an RGB cluster. The maximum current is set by an external resistor.

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 PIN DESCRIPTION PIN CONFIGURATION PIN NO. PIN NAME FUNCTION 1 DI Input terminal for serial data input. 2 CKI Input terminal for serial clock input. STSEL Waiting time selection pin for strobe signal. L 20us H5 m s 4,5 MODE0, MODE1 Input data transfer mode selection. MODE1 MODE0 descriptions L L 8 bit luminance data transfer L H 12 bit luminance data transfer HL R e s e r v e d H H 16 bit luminance data transfer 6,7,8 REXTA, REXTB, REXTC External resistors are connected between those pins and GND for driver current setting. 9,10,11 OUTC, OUTB, OUTA Output terminal for constant current output.

12 GND GND

13 VDD Regulator output voltage. 14 VCC High supply voltage. 15 CKO Output terminal for serial clock output. 16 DO Output terminal for serial data output when CKI is ‘L”. DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 BLOCK DIAGRAM Reference Current OUTA OUTB REXTA DI CKI DO PWM Counter 48 bit Shifter Register 16 bit Display Data Register 16 bit Display Data Register 16bit Control Data Register Comparator A Comparator B Comparator C OUTC 16 16 REXTB REXTC Oscillator CKO Regulator VDD VCC Strobe Generator 24/36/48 bit Data Register Bit Selection MODE0 MODE1 16 16 GND

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 EQUIVALENT CIRCUIT OF INPUTS AND OUTPUTS CKI, DI terminal VCC GND DO, CKO,OUTA,OUTB,OUTC terminal VCC Internal Signal CKI DI DO CKO OUTA OUTB OUTC GND REXTA REXTB REXTC Internal Signal Reference Current MODE0, MODE1, STSEL terminal GND MODE0 MODE1 STSEL REXTA, REXTB, REXTC terminal VDD VDD

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 ABSOLUTE MAXIMUM RATINGS (Ta = 25oC, Note1)

ELECTRICAL CHARACTERISTICS

DC CHARACTERISTICS (VDD = 5V, R=39kΩ, Ta = 25oC) ℃150TJMAXJunction Temperature ℃/W102.3ΘJA (SSOP) ℃/W81.6ΘJA (SOP)Thermal resistance PDMAX (SSOP) W1.22 PARAMETER SYMBOL RATING UNIT Supply Voltage VCC 0 ~ 20 V Supply Voltage VDD 0 ~ 7 V Output Voltage VOUT -0.5 ~ 20 V Output Current per Output Channel IOUT 150 mA Logic Input Voltage VIN -0.4 ~ VDD+0.4 V GND Terminal Current IGND 320 mA Max Power Dissipation PDMAX (SOP) 1.53 W Operating Temperature Topr -40 ~ 85 ℃ Storage Temperature Tstg -65 ~ 150 ℃ PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT VCC Supply Voltage VCC 10 15 18 V LED Driver Output Voltage VOUT 18 V Voltage Regulator Output Voltage VCC=10~18V VDD 4.5 5.0 5.5 V Input Leakage Current Iz -1.0 1.0 uA Output Leakage Current VDS=18V, All turn off Ioz 1.0 uA Input Voltage “H” Level VIH 0.8VDD - VDD V “L” Level VIL GND - 0.2VDD V Output Voltage DO, CKO IOL=5mA VOL - - 0.2VDD V IOH=-5mA VOH 0.8VDD - - V LED Driver Output Current VDS=1.5V IOUT 60 100 mA Pin to Pin Deviation IOUT=60mA IPP ±1.5 ±3 % Chip to Chip Deviation IOUT=60mA ICC ±3 ±6 % Supply Voltage Regulation IOUT=60mA, VCC=10~18V %/VCC ±0.2 ±0.5 % Supply Current IOUT=60mA, VCC=18V ICC 4 8 mA Note1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 TEST CIRCUIT for DC CHARACTERISTICS VCCICC ADT6610 OUTA IOUT REXTA REXTB REXTC GND IIH, VIH IIL, VIL CKI DI VDD C STSEL CKO IOL/IOH DO MODE0 MODE1 R RR OUTB OUTC

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 ELECTRICAL CHARACTERISTICS ( Continued ) AC CHARACTERISTICS (VDD = 5V, Ta = 25oC) TEST CIRCUIT for AC CHARACTERISTICS PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT Propagation Delay Time CKI-DO VCC = 15V VDD = 5.0V VIH = VDD - 0.5 VIL = 0.5V R = 39㏀ ( IOUT = 60㎃ ) CL = 10pF RL = 200Ω VDS = 1.5V tP - 8 20 ns CKI Frequency fCKMAX 0.5 8 10 MHz CKI Pulse Width tWH / tWL 15 - - ns Data Setup Time tsetup 20 - - ns Data Hold Time thold 30 - - ns DI Width twsh 50 - - ns twsl 50 - - ns Clock Delay CKO tCKD - 8 15 ns Clock Width tW 10 30 - ns Clock Cycle tCY 100 - - ns Maximum Clock Rise Time tr - - 10 ns Maximum Clock Fall Time tf - - 10 ns CKO, DO Output Rise Time tor - - 10 ns CKO, DO Output Fall Time tof - - 10 ns CKI Waiting Time for No Strobe STSEL=Low tst0 6 us CKI Waiting Time for No Strobe STSEL=High tst0 1.5 ms CKI Waiting Time for Strobe STSEL=Low tst1 20 us CKI Waiting Time for Strobe STSEL=High tst1 5 ms VCC = 15V Function Generation VCC VCC ADT6610 OUTA REXTA REXTB REXTC GND CKI DI VDD 4.7uF STSEL CKO DO MODE0 MODE1 R R R OUTB OUTC CLRL CLRL CLRL CL CL VDS VDS VDS

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 TIMING WAVEFORM CKI, DI, DO (Data Transmit) tr tf H L H L CKI DI DO tp tWL tsetup thold tortof H L tWH CKI, CKO , Internal Strobe CKO H L CKI twH L 50% tCY tCKD 90% 50% 10% 90% 50% 10% 90% 50% 10% 90% 10% 90% 50% 10% Internal Strobe Signal 50% tw tst1 90% 50% 10% tor 90% 50% 10% tof tst0

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 OPERATION PRINCIPLE Interface The ADT6610 is a two-wire only transmission interface. It is similar to SPI interface (CKI, DI). The display data (DI) transfers at the rising edge of the clock (CKI). And the output data (DO) is out at the falling edge of the clock ( CKI ). CKI DI Value 0 0 1 1 1 0 1 1 Setting the Gray Scale The ADT6610 provides three selectable gray scale modes: 16bit gray scale mode, 12bit gray scale mode and 8bit gray scale mode. The 16bit gray scale mode provides 65,536 gray scales for each LED. The 12bit gray scale mode provides 4,096 gray scales for each LED. In addition, the ADT6610 also embedded with an oscillator as the clock of PWM counter to turn on output ports according to the gray scale data sent from the system controller. MODE0 pin MODE1 pin 0 0 MODE 8bit interface mode 0 1 12bit interface mode 1 0 Inhibit 1 1 16bit interface mode Embedded Voltage Regulator The ADT6610 has an embedded voltage regulator to regulate the high input supply voltage to 5V supply voltage for internal . The input voltage range is 10 ~ 18V, which is suitable for 12/16V system. The high supply voltage is connected the VCC, and the output of the regulator is connected to VDD. An external capacitor of 4.7uF should be connected between VDD and ground to stable the output voltage. When the input voltage is 5V, the VCC and VDD pins should be connecting. Strobe Method The ADT6610 provides two selectable strobe time. It is selected 20us or 5ms by STSEL pin. When the CLK high period is longer than 20us at STSEL low or 5ms at STSEL high, the gray scale data are fetched register by internal strobe signal. STSEL pin The CKI wait time for internal strobe signal 0 20us 1 5ms

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 Strobe Waiting Time CKI STSEL=0 : 6us STSEL =1 : 1.5ms Strobe no occurs STSEL =0 : 20us STSEL =1 : 5ms Strobe occursMargin periodInterface Timing Diagram for 8bit Gray Scale Mode ( MODE0=0 , MODE1 = 0) CKI DI DO ST (Internal) 20us at STSEL = 0 5ms at STSEL = 1 1 1 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 0 0 0 0 1 1 0 0 Interface Timing Diagram for 12bit Gray Scale Mode ( MODE0=1 , MODE1 = 0) CKI DI DO ST (Internal) 20us at STSEL = 0 5ms at STSEL = 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 0 0 Interface Timing Diagram for 16bit Gray Scale Mode ( MODE0=1 , MODE1 = 1) A(7:0) = F80FH, B(7:0) = FFC0H, C(7:0) = 1F80H CKI DI DO ST (Internal) 20us at STSEL = 0 5ms at STSEL = 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 CONSTANT OUTPUT CURRENT ( REXT=39k ) The ADT6610 performs excellent current skew. The maximum current variation between channels is less than ±3%, and that between ICs is less than ±6%. 100 110 120 VDS [V] IOUT [mA] 22k 27k 30k 33k 39k 47k 56k 75k 120k

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 ADJUSTING OUTPUT CURRENT The output current is determined by an external resistor. The relationship between IOUT and REXTA,REXTB, REXTC are follows; IOUT[A] = 2350 / REXT REXT = REXTA, REXTB, REXTC 100 120 20 40 60 80 100 120 140 160 REXT [kohm ] IOUT [mA]

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 PACKAGE POWER DISSIPATION( PD ) The maximum power dissipation, , decreases as the ambient temperature increases. 0.4 0.6 0.8 1.2 1.4 1.6 0 1 02 03 04 05 06 07 08 09 0 1 0 0 Ambient Temperature [℃] Power Dissipation [W] PDmax (SOP16) PDmax (SSOP16) Safe Operation Area JA AJMAX MAX R TTPD θ

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 LOAD SUPPLY VOLTAGE( VLED )

  • • VLED Vf ADT6610 RA VDSA The design of VLED should fulfill two targets 1. Less Power consumption and heat. 2. Sufficiently headroom for the LED and driver IC to operate in the constant current region. The power dissipation in the driver is calculated by the equation. PD = VDSA x IOUTA + VDSB x IOUTB + VDSC x IOUTC + VCC x ICC By the spec, the max VCC = 18V, max ICC = 8mA => 144mW. If VDSA = VDSB = VDSC = 1V, IOUTA=IOUTB=IOUTC=20mA. PD is about 204mW. If VDSA,VDSB,VDSC are over 1v then the power dissipation is more than 204mW. This means, If VDSA,VDSB,VDSC drops too much voltage on the driver, it is necessary to set external resistors( RA,RB,RC) to reduce the by V VR IOUTA IOUTB VDSB IOUTC VDSC RB RC

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 VLED Strobe Time = 20us , VLED = 5V TYPICAL APPLICATION Strobe Time = 20us , VLED = 15V 1) 8bit Luminance Data System Controller Memory DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC VLED System Controller Memory DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC CC

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 VLED Strobe Time = 5ms , VLED = 5V Strobe Time = 5ms , VLED = 15V System Controller Memory DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC VLED System Controller Memory DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC CC TYPICAL APPLICATION ( Continued ) 2) 12bit Luminance Data

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 VLED Strobe Time = 20us , VLED = 5V Strobe Time = 5ms , VLED = 15V System Controller Memory DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC VLED System Controller Memory DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC DI CKI STSEL MODE0 MODE1 REXTA REXTB REXTC DO CKO VCC VDD GND OUTA OUTB OUTC CC TYPICAL APPLICATION ( Continued ) 3) 16bit Luminance Data

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 PACKAGE OUTLINE DIMENSION SSOP16 8°0°8°0°θ 0.0500.0161.2700.400L 0.025 (BSC)0.635 (BSC)e 0.2440.2286.2005.800E1 0.1570.1504.0003.800E 0.2000.1855.1004.700D 0.0100.0070.2500.170c 0.0120.0080.3000.200b 0.0610.0531.5501.350A2 0.0100.0040.2500.100A1 0.0690.0531.7501.350A Min Dimensions In Inches Min Dimenstions In Millimeters Max Max Symbol

Aug. 25. 2011 * This specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT6610 SOP16 8°0°8°0°θ 0.0500.0161.2700.400L 0.050 (BSC)1.270 (BSC)e 0.2440.2286.2005.800E1 0.1570.1504.0003.800E 0.4020.38610.2009.800D 0.0100.0070.2500.170c 0.0200.0130.5100.330b 0.0610.0531.5501.350A2 0.0100.0040.2500.100A1 0.0690.0531.7501.350A Min Dimensions In Inches Min Dimenstions In Millimeters Max Max Symbol