MiTAC 8355 service manual VMAINP3, PVID0, PVID1, PVID2, PVID3, PVID4, In+, Enbale

5 4

3 2 1

VCC_CORE

D

			PL502
			1		2
			BEAD_120Z/100M
			0805D
			PL501
	D_VMAIN		1		2
		1	BEAD_120Z/100M
		PC541	0805D
		0.01U
		0603
		2
		GND
+5VS_P
1	2
PR513				1
	1
0		PC528			PC526
0603		10U			0.1U
		1206		2	50V
	2	16V			0603

1	PC2
	1000P
2	0603

GND

D/VMAIN_P3
1	+	PC515	1	+	PC508	1		PC26	1		PC23			1		PC14	1		PC34
		22U			22U
		25V			25V			10U			10U					1000P			0.1U
		20%			20%		1210				1210				0603				0603
2			2			2		25V	2		25V			2			2		50V
									GND
												PC505
										1			2							D
														1							PQ19
												0.1U				PR549		G			FDD6612A
											0805				10						SOT252B_FET
PR570				PU505							10%				0805					S

2 1

+820UPC524

4V

20% ELC03_1

2 1

+	PC519	1	+	PC527	1	+	PC510	1
	820U			820U			820U
	4V			4V			4V
	20%	2		20%	2		20%	2
	ELC03_1			ELC03_1			ELC03_1

GND

VCC_CORE

PC21

0.1U

50V

0603

2 1

VCC_CORE

PC31

1000P

0603

10%

D

C

				GND
										GND
			+5VS_P
			1		1			C864
								1U
				PR505			0805
				10K		2		5%
			0603			GND
			2
	PG_VCC_CORE_P				26		PU502
25 PG_VCC_CORE_P							PGOOD		VCC		16
				P_VID0	7					22
							VID0		PWM1
				P_VID1	6					21
							VID1		PWM2
				P_VID2	5					17
							VID2		PWM3
PC522		33P		P_VID3	4					25
							VID3		PWM4
1	2 0603 50V			P_VID4	3		VID4			23
									ISEN1
					27					19

	1	2	7	EN	BOOT	2	2
	10		6	VCC	UGATE	1			D	K
			3			8
	0603			PWM	PHASE					PQ6
			4	GND	LGATE	5			G	FDB6676
1		1
	PC504			ISL6207					S	A
	1U		PC562	SO8						PD2
	0805		0.1U
2	16V	2	50V							EC31QS04
			0603						GND	DC2010
		GND		PR508
				1	2
									1	1	1
							PC575			PC35	PC15
				2K						0.1U	1000P
				0603		1	2			0603	0603
							1		2	50V2	2
							0.1U	PR550	D
							0805	10
							10%	0805		PQ20

PC22

10U 1210 25V

2 1

PL503

1 2

1.25UH

0.8X3

30%

D/VMAIN_P3

	1		1	1
			PC509	PC516			PC520
PC27		+	22U	+	22U	+	22U/NA
10U			25V		25V		25V
1210	2		20%	20%			20%
25V			2	2

			CLOSE TO CPU			1	2	IN+
						PR12	1
						0/NA		PR13
						0603		0
								0603
							2
			1		1	PC512		COREFB_H	2
						1000P		COREFB_L	2
						0603
				PC511	2	10%	1
			2	0.1U
				50V				PR14
1				0603				0
+	PC521	1						0603
			PC11
	22U/NA						2
	25V		10U			1	2	IN-
2	20%	2	1210
			25V			PR15
						0/NA
				GND		0603

C

B

A

25 CPU_CORE_EN_P

					PC523				PR507										11	FS/DIS			ISEN2	18
																				IOUT			ISEN3
				1		2	1					2							9	COMP			ISEN4	24
									ENBALE										28					12
																				EN			VDIFF
					4700P				4.99K																IN+1
					0603				0603										10	FB			VSEN	13
									1%										8
																				OFS
																							RGND	14	IN-
																			2	OVP					2
																								1
																							GND_0
																							GND_1	15
																							GND_2	20
												1	1							ISL6559
													PR504					PR506
		PC525			PR512															SOL28
													107K					3.48K
1			2	1			2						0603			0603
													1%
												2	2
		330P/NA 0/NA
	0603				0603
	10%
			PR511														GND
	1				2
													+5VS_P
			1K							VDD5							ENBALE
	0603												1
	1%														PR564
									1
																	100K
								PR502
																0603
								100K
							0603		2				D2	D		PQ502
												G		S		2N7002
										D			S
											D	PQ503
1				2				G			S	2N7002
	PR503				1					S
470							PC518
0603							0.1U
							0603
					2		50V
						GND						GND								0
																							PR514	P_VID4
												3				VID4				1		2
																					0		0603
												3				VID3				1		2	PR515	P_VID3
																					0		0603
												3				VID2				1		2	PR516	P_VID2
																					0		0603
												3				VID1				1		2	PR517	P_VID1
																					0		0603
												3				VID0				1		2	PR518	P_VID0
																							0603

PC529

33P/NA

0603

25V

		PR535					PU507									G			FDD6612A
												2								SOT252B_FET
	1		2			7	EN		BOOT	2							S
						6	VCC		UGATE	1
	10					3				8							D
	0603						PWM		PHASE									PQ7				K
1			1		4		GND		LGATE	5						G		FDB6676
																	S
	PC578					PC568	ISL6207
	1U						SO8															A
	0805					0.1U
2	16V		2			50V
						0603																PD506
																						EC31QS04
				GND				PR509									GND					DC2010
							1		2
								2K							D/VMAIN_P3			1					1
							0603														PC58
												PC576									0.1U
																					0603
											1		2					2			50V		2
														1			D
												0.1U			PR569
												0805			10				PQ21
		PR540					PU508					10%			0805	G			FDD6612A
												2					S			SOT252B_FET
	1		2			7	EN		BOOT	2
						6	VCC		UGATE	1
	10					3				8							D					K
	0603						PWM		PHASE									PQ8
1			1		4		GND		LGATE	5						G		FDB6676
																	S
	PC545					PC577	ISL6207															A
	1U						SO8
	0805					0.1U
2	16V		2			50V																PD7
						0603																EC31QS04
																	GND					DC2010
				GND
								PR510
							1		2
								2K
							0603

GND																					VCC_CORE
							PL504
				P4_2			1		2
							1.25UH							1	PC5		1	PC6		1	PC7			PC36
							0.8X3							+									1			1	PC33
							30%								82U			+ 82U/NA			+ 82U/NA			0.1U
															7343			7343			7343			50V			1000P
															2.5V			2.5V			2.5V			0603			0603
														2			2			2			2			2	10%
														GND
							D/VMAIN_P3
					1
PC19	1	PC12	1	PC3		+	PC502	1	PC4
							22U/NA
1000P		10U		10U			25V		10U
0603		1210		1210			20%		1210																				B
	2	25V	2	25V	2			2	25V
		GND
								PL505
				P4_3			1		2
								1.25UH
								0.8X3
								30%
															VCC_CORE
									1	PC25	1	PC517	1	PC514		1		PC28	1		PC18	1		PC16	1		PC17	1	PC13
																	+			+			+			+		+
										+ 220U		+ 82U/NA		+	82U			220U			220U			220U			220U		220U
										7343		7343			7343			7343			7343			7343			7343		7343
										2.5V		2.5V			2.5V			2.5V			2.5V			2.5V			2.5V		2.5V
									2		2		2			2			2		20%	2		20%	2		20%	2	20%
									GND
																													A
														<Core Design>
														Title	8355 M/D B/D
														Size	Document														Rev
														C	Number			PCB316675400001/ASSY411675400001											R01
														Date:				Friday, September 19, 2003						Sheet			32	of	32

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