SpeLuce

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Fotofori robusti

Batterie

limiti minimi

  • Ni-Mh: 0.9 - x 2 = 1.8, x4 = 3.6
  • LiPo: 3.7 senza carico
  • LiFePo: 2.5 senza carico

LED

XLamp XM-L EasyWhite http://www.cree.com/LED-Components-and-Modules/Products/XLamp/Arrays-Directional/XLamp-XML-EasyWhite

http://www.cree.com/~/media/files/cree/led%20components%20and%20modules/xlamp/data%20and%20binning/xlamp7090xre.pdf

  • XREWHT-L1-0000-007E7 3000K, 67.2 lm @ 350 mA
  • XREWHT-L1-0000-007F8 2900 K

Cree MC-E

LENTI:

Ostar

LE CW E2B-MXNY-N3P5-I http://docs-europe.origin.electrocomponents.com/webdocs/0a05/0900766b80a0509b.pdf

Oslon

100 - 800 ma, 80', ok per luce prossimita'

http://www.osram-os.com/Graphics/XPic6/00082394_0.pdf/LCW%20CQ7P.CC.pdf 800ma, 80°

PCB

LENTI:

Riflettori

http://www.fraensrl.com/images/Fraen_FRC_Datasheet.pdf

Regolatori

Step up

induttore: (3.3⋅(10−3.3))/((0.3⋅0.7⋅(10/3.3))⋅1600000⋅7)

buck

IRLML2502 http://www.irf.com/product-info/datasheets/data/irlml2502.pdf

Buck Boost

Current sensing

Sincrono

High Side Drivers

Asincrono

duty cycle
up
(3.3 ∕ 4.8) = 0.68
down
0.31
efficienza
0.31 ⋅ (0.385 ∕ 3.3) ≈ 0.03 di perdita sul diodo

Diodi

uC

Mappa pin

Pin Funzione Nome porta sul uC I/O
1 VDD
2 pwm_spot P1A RA5 O
3 pwm_flood P1B RA4/AN3 O
4 led/mclr MCLR RA3/MCLR O
5 RA2/AN2 I
6 sw_flood/cps_flood/ICSPCLK RA1/AN1 I
7 sw_spot/cps_spot/ICSPDAT RA0/AN0 I
8 Vss

Livello Batteria

Capacitive Touch Sensing

http://ww1.microchip.com/downloads/en/AppNotes/00001334B.pdf Techniques for Robust Touch Sensing Design

Prototipi

UP3

Boost 2.7-5.5V, 350mA:

Boost 2.7-5.5V, 700ma:

Boost 0.8-6V, 100ma:

Speluce2

Boost 4-9v -> 9-14v

  • flood:
    • Osram Oslon LCW CR7P.EC o LCW CR7P.CC, 100-800 ma
    • Osram Oslon GW CS8PM1.CM-KULQ-XX56-1 3500K
    • Osram Oslon GW CS8PM1.PM-LRLT-A535-1 4000K
  • profondita': Cree XLamp CXA1304
  • driver Xlsemi XL6005
  • controller: pic10f322
  • touch: ttp223
  • regolatore: AP7380-33W5-7 o LP2950-33LPRE3

Versione 2Ch

Speluce3

  • Vin 5V - LEDfwv
  • Vout LEDfwv - 24v
  • Imax 2A
  • LED largo: Osram OSLON SSL 80 GW CS8PM1.PM-LRLT-XX56-1
  • LED profondita': Cree CXB1304
  • controller: PIC16F1765
  • switch: MCH3478
  • switch led: RQ5E040AJ 30V, 4A, 37mΩ, SOT-23-3
  • regolatore: AP7380
  • diodo: VSSAF3L45
  • sensore movimento TM1000Q
  • LED rosso Vf 2V, 70ma

Regolatore LDO

Letteratura