MiTAC 8355 service manual +3VS / +5VS, DVMAINP2, VOSENSE1, VOSENSE2

D

C

B

A

5		4									3												2										1
D_VMAIN									+3VS / +5VS
	PF4																	D_VMAIN_P2
1	2				1			2
TR/3216FF-3A				1	PC95	PL11		1	PC99		1								1	PC558	1	PC101	1		1
												PC96										1000P		PC97		PC98							D
					0.1U	120Z/100M			0.1U											+ 10U		0603
					0603	2012			0603			0.1U								25V		25V		10U		10U
				2	50V			2	50V		2	0603							2	20%	2	10%	2	1210	2	1210
												50V												25V		25V
																								20%		20%
					GND				GND			GND										GND
																	5 6 7 8
																	D	PU16
																	G	SI4800DY
																4		SO8
																	S			PL511				PR554									+5VS_P
																						2				2
																	1 2 3			1				1
	1	2															5 6 7 8			4.7UH				.005			1		1		1		K
		PC114									1						D	PU18		D124C				2512				PC561		PC32		PC105
		0.01U		1								PC106						FDS7764A		20%				1%			+						PD21
																G		SO8	K									620U		10U		0.1U
		50V			PR556				PU19			0.1U			4					PD19				2	1			6.3V		1210		0603	RLZ5.6B
		0603						37 36 35 34 33 32 31 30 29 28 27 26 25				0805																	2	10V	2	50V
		10%			10K						2	10%								RB050L-40					PC110		2	20%					MLL34B
				2	0603			SGND5 SGND4 SGND3 SGND2 SGND1 NC3 SENSE1- SENSE1+ NC2 RUN/SS1 PGOOD TG1 SW1			K	BAS32L					1 2 3		A						1000P								A
					1%																				25V
																	S
												PD22													0603
																									10%
	PR557				VOSENSE1		1			24																1
	1		2				2	VOSENSE1	BOOST1	23	A									+5VS_P							PR59					GND
							3	PLLFLTR	VIN	22							GND										105K
								PLLIN	BG1
							4			21														1			0603						C
								FCB	EXTVCC
	2K						5			20																	1%
								ITH1	INTVCC							1										2
	0603						6	SGND	PGND	19		PC104													PC109
							7			18							PC30
								3.3VOUT	BG2
							8			17	A	11U		1	PC102		0.1U/NA							2	1000P/NA
								ITH2	BOOST2						10U		0603								0603		VOSENSE1
								VOSENSE2 NC0 SENSE2- SENSE2+ RUN/SS2 TG2 SW2 NC1			K			2											20%
												PD23			1206		50V									2	20K
													0805			2
											GND	2	10V		16V
	GND											BAS32L															PR60
																GND
																			D_VMAIN_P2
														GND													0603
								9 10 11 12 13 14 15 16	LTC3728LX		1	PC107														1	1%
		1	2						HVQFN32_1						5 6 7 8				1
												0.1U					PU15		+	PC559	1	PC100
			PC116									0805			D
			100P					VOSENSE2			2	10%					SI4800DY			10U		1000P
		0603													G					25V		0603
	1			1	2									4			SO8		2	20%	2	25V				GND
		10%2																				10%
	PR62				PC115

										332K		1500P					S		PL510		PR553							+3VS_P
										0603		25V								GND
												0603					1 2 3		1	2	1		2
					VDD5					1	2	10%					5 6 7 8
											PC117						D
											100P							PU17	4.7UH		.01		1	1	PC5631		PC103K
					1				1		0603	1	2				G	SI4810DY	D124C		2512							PD20
						PR64					210%							SO8	20%		1%		+ PC560		10U		0.1U
																	4						820U		1210		0603	BZT52C4V3
						100K				PR63		PC118									1	2	4V	2	10V	2	50V
						0603 D	D			332K		1000P					S						2					SOD123
								PQ18		0603		0603										PC111					A
					2	G	S	2N7002		1%		20%										1000P
					D												1 2 3					0603
		PR555				S																20%
					D	PQ513
25 PWR_ON_P	1		2	G	S	2N7002																	1				GND
					S							VDD5											PR58					B
			1																					2
		0		PC565														GND					63.4K		PC108
		0603		0.1U																			0603		1000P/NA
				0603								1											1%		0603
			2	50V																			2	1	20%
						GND							PR558										VOSENSE2
				GND									100K	D									1
													0603	D	PQ512								PR57
												2	G	S	2N7002								20K
												D			1	PC112							0603
									PR61					S									1%
													PQ17			0.01U							2
												D				0603
				25 PWR_ON_P				1		2	G	S	2N7002		2	50V							GND
												S				10%
										1
									0		PC113
									0603		0.1U
											0603
										2	50V
													GND
											GND

A

<Core Design>
Title	8355 M/D B/D
Size	Document					Rev
C		PCB316675400001/ASSY411675400001				R01
	Number
Date:		Friday, September 19, 2003 Sheet	28	of	32

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