mic23250.sch 4.8 KB

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  1. EESchema Schematic File Version 2 date Tue 29 Jun 2010 07:26:50 PM CEST
  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:special
  14. LIBS:microcontrollers
  15. LIBS:dsp
  16. LIBS:microchip
  17. LIBS:analog_switches
  18. LIBS:motorola
  19. LIBS:texas
  20. LIBS:intel
  21. LIBS:audio
  22. LIBS:interface
  23. LIBS:digital-audio
  24. LIBS:philips
  25. LIBS:display
  26. LIBS:cypress
  27. LIBS:siliconi
  28. LIBS:opto
  29. LIBS:atmel
  30. LIBS:contrib
  31. LIBS:valves
  32. LIBS:sd2snes-cache
  33. EELAYER 24 0
  34. EELAYER END
  35. $Descr A4 11700 8267
  36. Sheet 1 1
  37. Title "noname.sch"
  38. Date "29 jun 2010"
  39. Rev ""
  40. Comp ""
  41. Comment1 ""
  42. Comment2 ""
  43. Comment3 ""
  44. Comment4 ""
  45. $EndDescr
  46. Text Notes 7200 3450 0 60 ~ 0
  47. near AVIN
  48. $Comp
  49. L MIC23250_FIXOUT U1
  50. U 1 1 4C2A2BD4
  51. P 6000 4050
  52. F 0 "U1" H 6000 4150 60 0000 C CNN
  53. F 1 "MIC23250-S4YMT" H 6000 3950 60 0000 C CNN
  54. F 2 "QFN10-2x2" H 6000 4050 60 0001 C CNN
  55. 1 6000 4050
  56. 1 0 0 -1
  57. $EndComp
  58. $Comp
  59. L GND #PWR5
  60. U 1 1 4C2A2BD3
  61. P 5900 5150
  62. F 0 "#PWR5" H 5900 5150 30 0001 C CNN
  63. F 1 "GND" H 5900 5080 30 0001 C CNN
  64. 1 5900 5150
  65. 1 0 0 -1
  66. $EndComp
  67. $Comp
  68. L GND #PWR6
  69. U 1 1 4C2A2BD2
  70. P 6100 5150
  71. F 0 "#PWR6" H 6100 5150 30 0001 C CNN
  72. F 1 "GND" H 6100 5080 30 0001 C CNN
  73. 1 6100 5150
  74. 1 0 0 -1
  75. $EndComp
  76. $Comp
  77. L INDUCTOR L1
  78. U 1 1 4C2A2BD1
  79. P 4800 4050
  80. F 0 "L1" V 4750 4050 40 0000 C CNN
  81. F 1 "1uH" V 4900 4050 40 0000 C CNN
  82. F 2 "SM1210L" H 4800 4050 60 0001 C CNN
  83. 1 4800 4050
  84. 0 -1 -1 0
  85. $EndComp
  86. $Comp
  87. L INDUCTOR L2
  88. U 1 1 4C2A2BD0
  89. P 7200 4050
  90. F 0 "L2" V 7150 4050 40 0000 C CNN
  91. F 1 "1uH" V 7300 4050 40 0000 C CNN
  92. F 2 "SM1210L" H 7200 4050 60 0001 C CNN
  93. 1 7200 4050
  94. 0 -1 -1 0
  95. $EndComp
  96. $Comp
  97. L C C4
  98. U 1 1 4C2A2BCF
  99. P 7650 4450
  100. F 0 "C4" H 7700 4550 50 0000 L CNN
  101. F 1 "4.7u" H 7700 4350 50 0000 L CNN
  102. F 2 "SM0805_FIXEDMASK" H 7650 4450 60 0001 C CNN
  103. 1 7650 4450
  104. 1 0 0 -1
  105. $EndComp
  106. $Comp
  107. L C C3
  108. U 1 1 4C2A2BCE
  109. P 7050 3400
  110. F 0 "C3" H 7100 3500 50 0000 L CNN
  111. F 1 "10n" H 7100 3300 50 0000 L CNN
  112. F 2 "SM0805_FIXEDMASK" H 7050 3400 60 0001 C CNN
  113. 1 7050 3400
  114. 1 0 0 -1
  115. $EndComp
  116. $Comp
  117. L C C1
  118. U 1 1 4C2A2BCD
  119. P 4350 4450
  120. F 0 "C1" H 4400 4550 50 0000 L CNN
  121. F 1 "4.7u" H 4400 4350 50 0000 L CNN
  122. F 2 "SM0805_FIXEDMASK" H 4350 4450 60 0001 C CNN
  123. 1 4350 4450
  124. 1 0 0 -1
  125. $EndComp
  126. $Comp
  127. L GND #PWR7
  128. U 1 1 4C2A2BCC
  129. P 7050 3750
  130. F 0 "#PWR7" H 7050 3750 30 0001 C CNN
  131. F 1 "GND" H 7050 3680 30 0001 C CNN
  132. 1 7050 3750
  133. 1 0 0 -1
  134. $EndComp
  135. $Comp
  136. L +5V #PWR2
  137. U 1 1 4C2A2BCB
  138. P 4350 2950
  139. F 0 "#PWR2" H 4350 3040 20 0001 C CNN
  140. F 1 "+5V" H 4350 3040 30 0000 C CNN
  141. 1 4350 2950
  142. 1 0 0 -1
  143. $EndComp
  144. $Comp
  145. L GND #PWR3
  146. U 1 1 4C2A2BCA
  147. P 4350 5150
  148. F 0 "#PWR3" H 4350 5150 30 0001 C CNN
  149. F 1 "GND" H 4350 5080 30 0001 C CNN
  150. 1 4350 5150
  151. 1 0 0 -1
  152. $EndComp
  153. $Comp
  154. L GND #PWR8
  155. U 1 1 4C2A2BC9
  156. P 7650 5150
  157. F 0 "#PWR8" H 7650 5150 30 0001 C CNN
  158. F 1 "GND" H 7650 5080 30 0001 C CNN
  159. 1 7650 5150
  160. 1 0 0 -1
  161. $EndComp
  162. $Comp
  163. L C C2
  164. U 1 1 4C2A2BC8
  165. P 4850 3400
  166. F 0 "C2" H 4700 3500 50 0000 L CNN
  167. F 1 "4.7u" H 4650 3300 50 0000 L CNN
  168. F 2 "SM0805_FIXEDMASK" H 4850 3400 60 0001 C CNN
  169. 1 4850 3400
  170. 1 0 0 -1
  171. $EndComp
  172. $Comp
  173. L GND #PWR4
  174. U 1 1 4C2A2BC7
  175. P 4850 3750
  176. F 0 "#PWR4" H 4850 3750 30 0001 C CNN
  177. F 1 "GND" H 4850 3680 30 0001 C CNN
  178. 1 4850 3750
  179. 1 0 0 -1
  180. $EndComp
  181. $Comp
  182. L +1.2V #PWR1
  183. U 1 1 4C2A2BC6
  184. P 4200 4050
  185. F 0 "#PWR1" H 4200 4190 20 0001 C CNN
  186. F 1 "+1.2V" H 4200 4160 30 0000 C CNN
  187. 1 4200 4050
  188. 1 0 0 -1
  189. $EndComp
  190. $Comp
  191. L +3.3V #PWR9
  192. U 1 1 4C2A2BC5
  193. P 7800 4050
  194. F 0 "#PWR9" H 7800 4010 30 0001 C CNN
  195. F 1 "+3.3V" H 7800 4160 30 0000 C CNN
  196. 1 7800 4050
  197. 1 0 0 -1
  198. $EndComp
  199. Text Label 6800 4050 0 50 ~ 0
  200. REG_SW2
  201. Text Label 5150 4050 0 50 ~ 0
  202. REG_SW1
  203. Text Notes 5550 2900 0 50 ~ 0
  204. 3.3V + 1.2V Step-Down
  205. Connection ~ 4350 4050
  206. Wire Wire Line
  207. 4500 4050 4200 4050
  208. Wire Wire Line
  209. 6850 3850 6850 3050
  210. Connection ~ 6100 3050
  211. Wire Wire Line
  212. 6100 3050 6100 3150
  213. Connection ~ 5150 3050
  214. Wire Wire Line
  215. 6750 3850 6850 3850
  216. Wire Wire Line
  217. 7050 3050 7050 3200
  218. Wire Wire Line
  219. 7650 5150 7650 4650
  220. Wire Wire Line
  221. 4350 4250 5250 4250
  222. Wire Wire Line
  223. 4350 4050 4350 4250
  224. Wire Wire Line
  225. 5100 4050 5250 4050
  226. Wire Wire Line
  227. 7050 3750 7050 3600
  228. Connection ~ 5900 3150
  229. Wire Wire Line
  230. 5900 4950 5900 5150
  231. Wire Wire Line
  232. 6100 4950 6100 5150
  233. Connection ~ 6100 3150
  234. Wire Wire Line
  235. 4850 3750 4850 3600
  236. Wire Wire Line
  237. 6750 4050 6900 4050
  238. Wire Wire Line
  239. 7650 4250 6750 4250
  240. Wire Wire Line
  241. 7650 4050 7650 4250
  242. Wire Wire Line
  243. 4350 5150 4350 4650
  244. Wire Wire Line
  245. 4850 3050 4850 3200
  246. Wire Wire Line
  247. 5150 3850 5250 3850
  248. Connection ~ 6850 3050
  249. Wire Wire Line
  250. 5900 3050 5900 3150
  251. Connection ~ 5900 3050
  252. Wire Wire Line
  253. 4350 3050 4350 2950
  254. Wire Wire Line
  255. 4350 3050 7050 3050
  256. Connection ~ 4850 3050
  257. Wire Wire Line
  258. 5150 3050 5150 3850
  259. Wire Wire Line
  260. 7500 4050 7800 4050
  261. Connection ~ 7650 4050
  262. $EndSCHEMATC