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STAP16DPS05 数据表(PDF) 1 Page - STMicroelectronics |
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STAP16DPS05 数据表(HTML) 1 Page - STMicroelectronics |
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1 / 34 page  This is information on a product in full production. November 2015 DocID024315 Rev 6 1/34 STAP16DPS05 Low voltage 16-bit constant current LED sink driver with output error detection and auto power-saving for automotive applications Datasheet - production data Features • AECQ100 qualification • Low voltage power supply down to 3 V • 16 constant current output channels • Adjustable output current through external resistor • Short and open output error detection • Serial data IN/parallel data OUT • 3.3 V micro driver-able • Output current: 5-100 mA • Auto power-saving • Max. clock frequency: 30 MHz • 20 V current generator rated voltage • Power supply voltage: from 3 V to 5.5 V • Thermal shutdown for overtemperature protection • ESD protection 2.0 kV HBM Applications • Dashboard and infotainment backlighting • Exterior/interior lighting • DTRLs Description The STAP16DPS05 is a monolithic, low voltage, low current power 16-bit shift register designed for LED panel displays. The device contains a 16-bit serial-in, parallel-out shift register that feeds a 16- bit D-type storage register. In the output stage, sixteen regulated current sources are designed to provide 5-100 mA constant current to drive the LEDs. The STAP16DPS05 features the open and short LED detections on the outputs.The STAP16DPS05 ensures the backward compatibility with the STP16C/L596. The detection circuit checks 3 different conditions, which can occur on the output line: short to GND, short to VO or open line. The data detection results are loaded in the shift register and shifted out via the serial line output. The detection functionality is implemented without increasing the pin number. Through a secondary function of the output enable and latch pin (DM1 and DM2 respectively), a dedicated logic sequence allows the device to enter or leave detection mode. Through an external resistor, users can adjust the output current of the STAP16DPS05, thus controlling the light intensity of the LEDs. In addition, the user can adjust the intensity of the brightness of the LEDs from 0% to 100% through the OE/DM2 pin. The STAP16DPS05 guarantees a 20 V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 30 MHz, also satisfies the system requirement of high volume data transmission. The 3.3 V of voltage supply is very useful for applications that interface any microcontroller from 3.3 V micro. Compared with a standard TSSOP package, the TSSOP exposed pad increases the capability of heat dissipation by a factor of 2.5. Table 1. Device summary Order code Package Packing STAP16DPS05XTTR HTSSOP24 (exposed pad) 2500 parts per reel www.st.com |
类似零件编号 - STAP16DPS05 |
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类似说明 - STAP16DPS05 |
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