st2226b Silicon Touch Technology Inc., st2226b Datasheet
st2226b
Related parts for st2226b
st2226b Summary of contents
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... PWM-Controlled Constant Current Driver for LED Version : A.002 Issue Date : 2005/02/23 File Name : SP-ST2226B-A.002.doc Total Pages : 20 Displays 新竹市科學園區展業一路 9 號 7 樓之 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Pard, Hsin-Chu, Taiwan 300, R.O.C Tel： ...
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... PWM-Controlled Constant Current Driver General Description The ST2226B is a LED driver incorporating shift registers, data latches, 16-channel constant current circuitry with current value set by an external resistor, 1024 gray level PWM (Pulse Width Modulation) functional unit and time division capability. Each channel can provide a maximum current ...
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... Power Dissipation ( Thermal Resistance (Θ ja Operating temperature range (T Storage temperature range (T ST2226B ) - OUT ) less) 2.50, SDIP28 ℃ 1.32, SOP28 ) 40.0, SDIP28 75.9, SOP28 ) - -55 to 150 stg ： Version A.002 ST2226B V +0 ℃ ℃ ℃ ： Page 2 ...
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... ST2226B NAME Pin No. IOUT2 15 IOUT3 16 IOUT4 17 IOUT5 18 IOUT6 19 IOUT7 20 IGND 21 IGND 22 IOUT8 23 IOUT9 24 IOUT10 25 IOUT11 26 IOUT12 27 IOUT13 28 ： Version A.002 ST2226B NAME IOUT14 IOUT15 GND DOUT GCLK DCLK REXT CMD[2] CMD[1] CMD[0] DIN VDD IOUT0 IOUT1 ： Page 3 ...
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... The input data of DIN is synchronous to rising edges of DCLK, and transferred to DOUT on falling edges of DCLK. I Clock input for PWM operation. connecting an external resistor between REXT and GND. - Power supply - Analog and digital ground - Two ground-pin for driver outputs. ： Version A.002 ST2226B DESCRIPTION ： Page 4 ...
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... V OUT 0.8DV TEST CONDITIONS DCLK / t High or low level wl GCLK / t High or low level wl CMD to DCLK DIN to DCLK DCLK to CMD CMD to DCLK DIN to DCLK DCLK to CMD ： Version A.002 ST2226B NOM MAX ...
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... DCLK = 10MHz, GCLK = 10MHz REXT = 2K Rext = 2KΩ Rext = 2KΩ 2.0V OUT OL between OUT 40mA between OUT 40mA = 15pF, IOUT = 20mA L TEST CONDITIONS DOUT IOUT DOUT IOUT GCLK to IOUT ： Version A.002 ST2226B MIN NOM MAX 0 0 ±1 0.5 14 1.24 1.26 1.28 32 ±3 ±6 - ±6 ± ...
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... To manipulate ST2226B, we should properly control the CMD, DIN, DCLK, and GCLK as following steps: 1. Issue command “Shift-in”, and then enter luminance data DIN. Note that ST2226B starts to shift-in data at the DCLK rising edge next to the edge which latched Shift-in command. 2. After data are completely entered, send command “Capture” to save data in registers ...
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... Emitting” command issued 3) Phase Relationship of DCLK and GCLK Matching ST2226B’s GCLK and DCLK is an important step in the system design. If there is a certain length of delay between the rising edge of DCLK and of GCLK, the command “LED Emitting“& “LED Disable” will not be correctly recognized, which will then cause the display data loss ...
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... SILICON TOUCH TECHNOLOGY INC. Timing Diagrams ST2226B Figure 3. Timing Diagram ： Version A.002 ST2226B ： Page 9 ...
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... SILICON TOUCH TECHNOLOGY INC. Application Diagrams ST2226B ： Version A.002 ST2226B ： Page 10 ...
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... SILICON TOUCH TECHNOLOGY INC. Detailed Description 1) Time Division Operation Since ST2226B can drive 1 LED or 2 LEDs, the user can choose either MODE1 luminance data or MODE2 luminance data. After the luminance data is given, a command should be issued so that the driver can operate in MODE1 or in MODE2. ...
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... Figure 6. Luminance Data Structure in MODE 1 ST2226B ： Version A.002 ST2226B … (MSB) D out ： Page 12 ...
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... Version A.002 ST2226B (MSB) D out ： Page 13 ...
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... The output current could be calculated roughly by the following equation: Iout = (1.26 / Rext The full-scale current IOUT vs. Rext is shown in Figure Figure 8. Driver current as a function of R ST2226B Rext - Iout Rext (Kohm) ： Version A.002 ST2226B EXT ： Page 14 ...
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... The resolution, in this case is 129*129. We can round the data a little bit, and we can construct a 128*128 image by connecting 1024 driver ICs. (1,024 EA drivers*16 channels 16,384 bit). ST2226B 50 100 ree perature ： Version A.002 ST2226B 150 200 ≒ ： Page 15 ...
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... Surely out of spec. Can’t realize in this configuration. System designs for ON-OFF type drivers thus need to reduce frame rate or the no. shift-in pixels or grayscale level for each pixel. ST2226B PWM ON-OFF 60 60 128 x 128 128 x 128 1024 1024 160 1 16.8Meg 10 MHz 1.0 GHz ： Version A.002 ST2226B 4 ： Page 16 ...
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... E θ eB ST2226B RD.3B1(4X) SYMBOL ： Version A.002 ST2226B INCH(BASE) MM(REF) A 0.130±0.005 3.302±0.127 0.01(MIN) 0.254(MIN) B 0.018±0.005 0.457±0.127 0.060±0.004 1.524±0.102 c 0.010±0.004 0.254±0.102 D 1.388± ...
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... SILICON TOUCH TECHNOLOGY INC. SOP28 ST2226B ： Version A.002 ST2226B ： Page 18 ...
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... Touch Technology, Inc. and its distributors and all their officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. ST2226B ： Version A.002 ST2226B ： Page 19 ...