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DM137 Arkusz danych(PDF) 2 Page - Silicon Touch Technology Inc. |
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2 / 32 page 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC . 16-bit Constant Current LED Driver with Error Detection Version:A.001 Page 1 未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. DM137 DM137 16-bit Constant Current LED Driver with Error Detection General Description DM137 is a constant-current sink driver specifically designed for LED display applications. The device incorporates shift registers, data latches, and constant current circuitry on the silicon CMOS chip. The maximum output current value of all 16 channels is adjustable by a single external resistor. Its built-in open/short detection and thermal alarm circuits help users detect LED failures and overheating. There are two methods to communicate the error messages to the system. One is through serial output data to indicate which channel has failure. The other is by means of dedicated Alarm pin. Features Constant-current outputs: 5mA to 90mA adjustable by one external resistor Maximum output voltage: 17V Maximum clock frequency: 25MHz Built-in LED open/short detection: real-time monitor or smart detection modes Fast detecting response: 0.1us (min.) Over temperature protection: Alarm (junction temperature > 110°C) Shutdown (junction temperature > 180°C) Power supply voltage: 3.3V to 5.5V Applications LED Variable Message Signs (VMS) System Indoor/Outdoor LED Video Display |
Podobny numer części - DM137 |
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Podobny opis - DM137 |
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