SiTi ST2226A
The ST2226A 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 of 60 mA.| Part No. | ST2226A |
|---|---|
| Datasheet | ST2226A Download |
| Manufacturer |  SiTi |
| Description | PWM-Controlled Constant Current Driver |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Time division operation allows driving up to 1 or 2 LEDs with a single output channel (mode-1 and mode-2 respectively). Block Diagram IOUT0 …… IOUT15 Rext Voltage Reference Driver (16-Channel) GCLK PWM Counter Comparator (16-Channel) CMD[2:0] Operation Control Shift Register and Latch (10 Bit ｘ 16-Channel ｘ 2LED) DCLK DIN DOUT Figure 1. Functional block diagram ST2226A Version：A.010 Page：1 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. ST2226AFEATURES
˙ ˙ ˙ ˙ ˙ ˙ Constant current outputs with current value settings by an external resistor Maximum output current: 60 mA Time division output allows the driving of 1 or 2 LEDs with a single output Maximum / minimum output voltage: 10V / 1.25V 10 bits luminance data with PWM current outputs Serial shift-in architecture for luminance data in time division Mode 1 and Mode 2ABSOLUTE MAXIMUM RATINGS
Supply Voltage (AVDD, DVDD) Input Voltage Range (VIN) Driver Output Voltage Range (VOUT) Driver Output Current (IOUT) Power Dissipat...
