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Fotofori robusti
buck converter
IRLML2502 http://www.irf.com/product-info/datasheets/data/irlml2502.pdf
- http://www.onsemi.com/pub/Collateral/TND388-D.PDF Effects of High Switching Frequency on Buck Regulators
uC
PIC12F1840 http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en549758
Mappa pin
| Pin | Funzione | Nome | porta sul uC | I/O |
|---|---|---|---|---|
| 1 | VDD | |||
| 2 | PWM_UP | RA5/P1A-bis | O | |
| 3 | PWM_DOWN | RA4/AN3/CPS3/P1B-bis | O | |
| 4 | SIG_LED | RA3 | O | |
| 5 | CAP_PAD | RA2/AN2/CPS2/P1A | I | |
| 6 | V_BATT | RA1/AN1/CPS1/ICSP_CLK | I | |
| 7 | I_SENSE | RA0/AN0/CPS0/ICSP_DAT/P1B | I | |
| 8 | VSS |
- http://ww1.microchip.com/downloads/en/appnotes/01427a.pdf AN1427 High-Efficiency Solutions for Portable LED Lighting
- http://ww1.microchip.com/downloads/en/appnotes/01047a.pdf AN1047 Buck-Boost LED Driver Using the PIC16F785 MCU
- http://www.element14.com/community/servlet/JiveServlet/downloadBody/27644-102-1-76820/01138A.pdf
- http://ww1.microchip.com/downloads/en/devicedoc/41214a.pdf PICmicro® CCP and ECCP Tips 'n Tricks
- http://ww1.microchip.com/downloads/en/appnotes/01171c.pdf How To Use The Capacitive Sensing Module (CSM)
- http://ww1.microchip.com/downloads/en/AppNotes/01103a.pdf Software Handling for Capacitive Sensing
- http://www.ti.com/litv/pdf/snva598 Driving LEDs: To Cap or Not to Cap