PD Buddy Dev schematics and circuit board
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  1. EESchema Schematic File Version 2
  2. LIBS:power
  3. LIBS:device
  4. LIBS:transistors
  5. LIBS:conn
  6. LIBS:linear
  7. LIBS:regul
  8. LIBS:74xx
  9. LIBS:cmos4000
  10. LIBS:adc-dac
  11. LIBS:memory
  12. LIBS:xilinx
  13. LIBS:microcontrollers
  14. LIBS:dsp
  15. LIBS:microchip
  16. LIBS:analog_switches
  17. LIBS:motorola
  18. LIBS:texas
  19. LIBS:intel
  20. LIBS:audio
  21. LIBS:interface
  22. LIBS:digital-audio
  23. LIBS:philips
  24. LIBS:display
  25. LIBS:cypress
  26. LIBS:siliconi
  27. LIBS:opto
  28. LIBS:atmel
  29. LIBS:contrib
  30. LIBS:valves
  31. LIBS:74xgxx
  32. LIBS:ac-dc
  33. LIBS:actel
  34. LIBS:allegro
  35. LIBS:Altera
  36. LIBS:analog_devices
  37. LIBS:battery_management
  38. LIBS:bbd
  39. LIBS:brooktre
  40. LIBS:cmos_ieee
  41. LIBS:dc-dc
  42. LIBS:diode
  43. LIBS:elec-unifil
  44. LIBS:ESD_Protection
  45. LIBS:ftdi
  46. LIBS:gennum
  47. LIBS:graphic
  48. LIBS:hc11
  49. LIBS:ir
  50. LIBS:Lattice
  51. LIBS:logo
  52. LIBS:maxim
  53. LIBS:mechanical
  54. LIBS:microchip_dspic33dsc
  55. LIBS:microchip_pic10mcu
  56. LIBS:microchip_pic12mcu
  57. LIBS:microchip_pic16mcu
  58. LIBS:microchip_pic18mcu
  59. LIBS:microchip_pic32mcu
  60. LIBS:motor_drivers
  61. LIBS:motors
  62. LIBS:msp430
  63. LIBS:nordicsemi
  64. LIBS:nxp_armmcu
  65. LIBS:onsemi
  66. LIBS:Oscillators
  67. LIBS:powerint
  68. LIBS:Power_Management
  69. LIBS:pspice
  70. LIBS:references
  71. LIBS:relays
  72. LIBS:rfcom
  73. LIBS:sensors
  74. LIBS:silabs
  75. LIBS:stm32
  76. LIBS:stm8
  77. LIBS:supertex
  78. LIBS:switches
  79. LIBS:transf
  80. LIBS:ttl_ieee
  81. LIBS:video
  82. LIBS:wiznet
  83. LIBS:Worldsemi
  84. LIBS:Xicor
  85. LIBS:zetex
  86. LIBS:Zilog
  87. LIBS:pd-buddy
  88. LIBS:pd-buddy-cache
  89. EELAYER 25 0
  90. EELAYER END
  91. $Descr A4 11693 8268
  92. encoding utf-8
  93. Sheet 6 6
  94. Title "PD Buddy Sink"
  95. Date ""
  96. Rev "0.2"
  97. Comp ""
  98. Comment1 ""
  99. Comment2 ""
  100. Comment3 ""
  101. Comment4 "Based on AN-6102 (https://www.fairchildsemi.com/application-notes/AN/AN-6102.pdf)"
  102. $EndDescr
  103. $Comp
  104. L FUSB302B U3
  105. U 1 1 588FB390
  106. P 5300 3600
  107. F 0 "U3" H 5500 3100 60 0000 C CNN
  108. F 1 "FUSB302B" H 5000 3100 60 0000 C CNN
  109. F 2 "pd-buddy:MLP-14" H 5400 3000 60 0001 C CNN
  110. F 3 "https://www.fairchildsemi.com/datasheets/FU/FUSB302B.pdf" H 5500 3100 60 0001 C CNN
  111. 1 5300 3600
  112. 1 0 0 -1
  113. $EndComp
  114. $Comp
  115. L VBUS #PWR026
  116. U 1 1 588FB397
  117. P 4800 3500
  118. F 0 "#PWR026" H 4800 3350 50 0001 C CNN
  119. F 1 "VBUS" H 4800 3640 50 0000 C CNN
  120. F 2 "" H 4800 3500 50 0000 C CNN
  121. F 3 "" H 4800 3500 50 0000 C CNN
  122. 1 4800 3500
  123. 1 0 0 -1
  124. $EndComp
  125. $Comp
  126. L +3.3V #PWR027
  127. U 1 1 588FB39E
  128. P 5200 3100
  129. F 0 "#PWR027" H 5200 2950 50 0001 C CNN
  130. F 1 "+3.3V" H 5200 3240 50 0000 C CNN
  131. F 2 "" H 5200 3100 50 0000 C CNN
  132. F 3 "" H 5200 3100 50 0000 C CNN
  133. 1 5200 3100
  134. 1 0 0 -1
  135. $EndComp
  136. $Comp
  137. L GND #PWR028
  138. U 1 1 588FB3B4
  139. P 5300 4100
  140. F 0 "#PWR028" H 5300 3850 50 0001 C CNN
  141. F 1 "GND" H 5300 3950 50 0000 C CNN
  142. F 2 "" H 5300 4100 50 0000 C CNN
  143. F 3 "" H 5300 4100 50 0000 C CNN
  144. 1 5300 4100
  145. 1 0 0 -1
  146. $EndComp
  147. Text HLabel 4100 3600 0 60 BiDi ~ 0
  148. CC1
  149. Text HLabel 4100 3700 0 60 BiDi ~ 0
  150. CC2
  151. $Comp
  152. L D_Zener D2
  153. U 1 1 588FB3E3
  154. P 4300 3950
  155. F 0 "D2" H 4300 4050 50 0000 C CNN
  156. F 1 "CZRF52C5V6" H 4300 3850 50 0000 C CNN
  157. F 2 "Diodes_SMD:D_SOD-323" H 4300 3950 50 0001 C CNN
  158. F 3 "" H 4300 3950 50 0000 C CNN
  159. 1 4300 3950
  160. 0 1 1 0
  161. $EndComp
  162. $Comp
  163. L GND #PWR029
  164. U 1 1 588FB494
  165. P 4600 4100
  166. F 0 "#PWR029" H 4600 3850 50 0001 C CNN
  167. F 1 "GND" H 4600 3950 50 0000 C CNN
  168. F 2 "" H 4600 4100 50 0000 C CNN
  169. F 3 "" H 4600 4100 50 0000 C CNN
  170. 1 4600 4100
  171. 1 0 0 -1
  172. $EndComp
  173. $Comp
  174. L GND #PWR030
  175. U 1 1 588FB4C0
  176. P 4300 4100
  177. F 0 "#PWR030" H 4300 3850 50 0001 C CNN
  178. F 1 "GND" H 4300 3950 50 0000 C CNN
  179. F 2 "" H 4300 4100 50 0000 C CNN
  180. F 3 "" H 4300 4100 50 0000 C CNN
  181. 1 4300 4100
  182. 1 0 0 -1
  183. $EndComp
  184. $Comp
  185. L D_Zener D3
  186. U 1 1 588FB500
  187. P 4600 3950
  188. F 0 "D3" H 4600 4050 50 0000 C CNN
  189. F 1 "CZRF52C5V6" H 4600 3850 50 0000 C CNN
  190. F 2 "Diodes_SMD:D_SOD-323" H 4600 3950 50 0001 C CNN
  191. F 3 "" H 4600 3950 50 0000 C CNN
  192. 1 4600 3950
  193. 0 1 1 0
  194. $EndComp
  195. Text HLabel 5800 3500 2 60 BiDi ~ 0
  196. SDA
  197. Text HLabel 5800 3600 2 60 Input ~ 0
  198. SCL
  199. Text HLabel 5800 3700 2 60 Output ~ 0
  200. INT_N
  201. Wire Wire Line
  202. 4800 3500 4900 3500
  203. Wire Wire Line
  204. 4100 3600 4900 3600
  205. Wire Wire Line
  206. 4100 3700 4900 3700
  207. Wire Wire Line
  208. 4300 3800 4300 3700
  209. Connection ~ 4300 3700
  210. Wire Wire Line
  211. 4600 3800 4600 3600
  212. Connection ~ 4600 3600
  213. Wire Wire Line
  214. 5800 3700 5700 3700
  215. Wire Wire Line
  216. 5700 3600 5800 3600
  217. Wire Wire Line
  218. 5800 3500 5700 3500
  219. $Comp
  220. L +3.3V #PWR031
  221. U 1 1 5892A15C
  222. P 6800 3200
  223. F 0 "#PWR031" H 6800 3050 50 0001 C CNN
  224. F 1 "+3.3V" H 6800 3340 50 0000 C CNN
  225. F 2 "" H 6800 3200 50 0000 C CNN
  226. F 3 "" H 6800 3200 50 0000 C CNN
  227. 1 6800 3200
  228. 1 0 0 -1
  229. $EndComp
  230. $Comp
  231. L GND #PWR032
  232. U 1 1 5892A162
  233. P 6800 3900
  234. F 0 "#PWR032" H 6800 3650 50 0001 C CNN
  235. F 1 "GND" H 6800 3750 50 0000 C CNN
  236. F 2 "" H 6800 3900 50 0000 C CNN
  237. F 3 "" H 6800 3900 50 0000 C CNN
  238. 1 6800 3900
  239. 1 0 0 -1
  240. $EndComp
  241. $Comp
  242. L C C11
  243. U 1 1 5892A168
  244. P 6800 3550
  245. F 0 "C11" H 6825 3650 50 0000 L CNN
  246. F 1 "0.1μF" H 6825 3450 50 0000 L CNN
  247. F 2 "Capacitors_SMD:C_0805" H 6838 3400 50 0001 C CNN
  248. F 3 "" H 6800 3550 50 0000 C CNN
  249. 1 6800 3550
  250. 1 0 0 -1
  251. $EndComp
  252. Wire Wire Line
  253. 6800 3200 6800 3400
  254. Wire Wire Line
  255. 6800 3700 6800 3900
  256. Wire Wire Line
  257. 6800 3800 7200 3800
  258. Wire Wire Line
  259. 7200 3800 7200 3700
  260. Connection ~ 6800 3800
  261. Wire Wire Line
  262. 7200 3400 7200 3300
  263. Wire Wire Line
  264. 7200 3300 6800 3300
  265. Connection ~ 6800 3300
  266. $Comp
  267. L C C12
  268. U 1 1 5892A19A
  269. P 7200 3550
  270. F 0 "C12" H 7225 3650 50 0000 L CNN
  271. F 1 "1μF" H 7225 3450 50 0000 L CNN
  272. F 2 "Capacitors_SMD:C_0805" H 7238 3400 50 0001 C CNN
  273. F 3 "" H 7200 3550 50 0000 C CNN
  274. 1 7200 3550
  275. 1 0 0 -1
  276. $EndComp
  277. NoConn ~ 5400 3100
  278. $EndSCHEMATC