STAP16DPS05 Low voltage 16-bit constant current LED sink driver with output error detection and auto power-saving for automotive applications Datasheet - production data 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 Features STAP16DPS05 ensures the backward compatibility with the STP16C/L596. The AECQ100 qualification detection circuit checks 3 different conditions, Low voltage power supply down to 3 V which can occur on the output line: short to GND, 16 constant current output channels short to V or open line. The data detection O results are loaded in the shift register and shifted Adjustable output current through external out via the serial line output. The detection resistor functionality is implemented without increasing Short and open output error detection the pin number. Through a secondary function of Serial data IN/parallel data OUT the output enable and latch pin (DM1 and DM2 respectively), a dedicated logic sequence allows 3.3 V micro driver-able the device to enter or leave detection mode. Output current: 5-100 mA Through an external resistor, users can adjust the Auto power-saving output current of the STAP16DPS05, thus controlling the light intensity of the LEDs. In Max. clock frequency: 30 MHz addition, the user can adjust the intensity of the 20 V current generator rated voltage brightness of the LEDs from 0% to 100% through Power supply voltage: from 3 V to 5.5 V the OE/DM2 pin. The STAP16DPS05 guarantees a 20 V output driving capability, allowing users to Thermal shutdown for overtemperature connect more LEDs in series. The high clock protection frequency, 30 MHz, also satisfies the system ESD protection 2.0 kV HBM requirement of high volume data transmission. The 3.3 V of voltage supply is very useful for Applications applications that interface any microcontroller from 3.3 V micro. Compared with a standard Dashboard and infotainment backlighting TSSOP package, the TSSOP exposed pad Exterior/interior lighting increases the capability of heat dissipation by a factor of 2.5. DTRLs Table 1. Device summary Order code Package Packing STAP16DPS05XTTR HTSSOP24 (exposed pad) 2500 parts per reel November 2015 DocID024315 Rev 6 1/34 This is information on a product in full production. www.st.com SRVHG S H DG +76623 Contents STAP16DPS05 Contents 1 Summary description 5 1.1 Pin connections and description . 5 2 Electrical ratings 6 2.1 Absolute maximum ratings . 6 2.2 Thermal data . 6 2.3 Recommended operating conditions . 7 3 Electrical characteristics . 8 3.1 Switching characteristics 9 4 Equivalent circuit and outputs 10 5 Timing diagrams . 12 6 Typical characteristics 15 7 Detection mode functionality . 18 7.1 Phase one: entering in detection mode . 18 7.2 Phase two: error detection . 19 7.3 Phase three: resuming to normal mode . 21 7.4 Error detection conditions . 21 7.5 Auto power-saving 25 8 Package information 28 8.1 TSSOP24 exposed pad package information . 29 8.2 TSSOP24 exposed pad packing information 31 9 Revision history . 33 2/34 DocID024315 Rev 6