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It is a very simple touch light, the circuit base on the Touch Screen Controller ICs RH6616, the datasheet has the design references https://lcsc.com/product-detail/Touch-Screen-Controller-ICs_RH6616_C78963.html
| ID | Name | Designator | Footprint | Quantity | Manufacturer Part | Manufacturer | Supplier | Supplier Part | Price | LCSC Assembly | Mounted | LCSC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10uF(106) | C1,C2 | 1206 | 2 | 1206X106K100NT | FH | LCSC | Yes | C157351 | |||
| 2 | 100nF(104) | C3 | 0805 | 1 | CL21F104ZBANNNC | SAMSUNG | LCSC | Yes | C84714 | |||
| 3 | 20nF | C4 | 0805 | 1 | 0805F203M500NT | FH | LCSC | Yes | C1768 | |||
| 4 | 1K | R1,R2 | 0805 | 2 | TC0525D1001T5E | UniOhm | LCSC | Yes | C44535 | |||
| 5 | 4.7KΩ | R3 | 0805 | 1 | NCP21XM472J03RA | MuRata | LCSC | Yes | C91639 | |||
| 6 | Header 1*1P | TP1 | PAD-SMD-C500 | 1 | Header 1*1P | ReliaPro | LCSC | Yes | C81276 | |||
| 7 | Micro_USB-B-SMT | USB1 | MICRO_USB-B-SMT | 1 | Micro_USB-B-SMT | LCSC | Yes | C21377 | ||||
| 8 | LTST-C171KGKT | LED1 | LED-0805 | 1 | LTST-C171KGKT | LITEON | LCSC | Yes | C98224 | |||
| 9 | S8050 | Q1 | SOT-23(SOT-23-3) | 1 | S8050 | Yenji | LCSC | Yes | C139514 | |||
| 10 | RH6616 | U1 | SOP-8_0.8MM*1.2MM*8 | 1 | RH6616 | LCSC | Yes | C78963 | ||||
| 11 | ME6209A50M3G | U2 | SOT23-3_0.8MM*1.3MM*3 | 1 | ME6209A50M3G | MicrOne | LCSC | Yes | C90248 |
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