UAA170 LED Driver for Light Spot Displays DIP-16
EGP 65
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UAA170 LED Driver for Light Spot Displays DIP-16 The UAA170 LED Driver IC is a specialized integrated circuit developed for controlling LED light spot or bar graph displays. Designed by Siemens, this device provides a simple and efficient solution for driving multiple LEDs with a linear response to an analog input signal, making it ideal for visual level indicators and display systems. Features: Drives up to 16 LEDs in a wandering light spot (moving dot) display. Smooth or abrupt LED transition selectable via voltage difference between pins 12 and 13. Input voltage range at pins 11, 12, and 13 from 0V to 6V. Adjustable LED current (0 mA to 50 mA) using external resistors on pins 14, 15, and 16. Low control and reference input currents. Specifications: Parameter Value Manufacturer Siemens Model Number UAA170 Component Description LED Driver for Light Spot Displays Package Type DIP-16 (Plastic) Number of LEDs Driven Up to 16 Supply Voltage (Typ.) 12V DC Maximum Supply Voltage 18V DC Current Consumption (I5) 2mA to 10mA (typ. 5mA) Control Input Current (pin 11) –2µA (typ.) Reference Input Current (pins 12, 13) –2µA (typ.) Voltage Difference ΔV12/13 1.4V to 6.0V Smooth Transition ΔV12/13 1.4V Abrupt Transition ΔV12/13 4.0V LED Current Range 0mA to 50mA Operating Temperature –25°C to +85°C Storage Temperature –40°C to +125°C Pin Configuration: Pin Number Pin Name Function / Description 1 GND Ground (0V). 2 D1 LED driver output 1 (light spot). 3 D2 LED driver output 2. 4 D3 LED driver output 3. 5 D4 LED driver output 4. 6 D5 LED driver output 5. 7 D6 LED driver output 6. 8 D7 LED driver output 7. 9 D8 LED driver output 8. 10 D9 LED driver output 9. 11 V <sub> Control </sub> Signal input (control voltage 0–6 V for light-spot position). 12 V <sub> Rmin </sub> Reference voltage low (bottom of scale). 13 V <sub> Rmax </sub> Reference voltage high (top of scale). 14 V <sub> stab </sub> Stabilized voltage / Reference current input (connect resistor to GND to set LED current). 15 V <sub> i </sub> Internal voltage input. 16 V <sub> pwr </sub> Supply voltage (max 18 V). Applications: LED bar graph displays. Audio level indicators (VU meters). Battery level indicators. Signal strength displays. Industrial control panels. Measurement and monitoring systems. Package Include: 1x UAA170 LED Driver for Light Spot Displays DIP-16 Datasheet: UAA170
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