Guide

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
PwrPad
PwrPad
Vtt Sense
Vtt Sense
Vtt Sense
Single point
sense
near load
Single point
sense
near load
Default: J3G1 No Jumper
Non-EV Support EV Support
Stuff
No Stuff
R3G4
R3V7
R3G9
R3V6
EV Support Resistor Options
R3V6
R3G4
R3V7
R3G9
DDR VR
A
43 59
Intel 852GM CRB A#
Title
Size Document Number Rev
of
Project:
REFIN_2
COMP_2
VSENSE_2_D
OPAMP1_EN
+VDDR
VBIAS_2
BOOT_1
PH_2
FSEL
VSENSE_2
GND_DDR
OPAMP2_EN
FSEL
RT_2
V2.5_DDR_D
COMP_1_D
COMP_2_D BOOT_2
VSENSE_1_D
VBIAS_1
SS/ENA_1
VSENSE_1
PH_1
COMP_1
RT_1
SM_VREF_DIMM 11,12
+V520..23,27,36,37,42,44
+V3.315,18..20,23,27,30,32,35,37..39,44
+V2.5_DDR11,12,47,48
+V520..23,27,36,37,42,44
+V2.59,11,12
DDR_VR_PWRGD 39
+V520..23,27,36,37,42,44
PM_SLP_S4#19,20,32,37,38,44
+V520..23,27,36,37,42,44
+V520..23,27,36,37,42,44
+V1.25S14,47,48
PM_SLP_S3#19,25,32,37,38,44
SM_VREF_MCH_EV 47
SM_VREF_DIMM_EV 47
SM_VREF_MCH 7
+V2.5_GMCH_SM9,10,48
+V2.5_GMCH_SM9,10,48
1.25V_DDR_EV 47
2.5V_DDR_EV 47
+V2.5_GMCH_SM9,10,48
R3W1
4.99k_1%
C3G10
0.1UF
C3G7
150uF
R4H1
0.01_1%
VDD+
GND
-
+
U3G2A
TLV2463
1
3
2
4
5
10
R3G8
10K
C3H2
150uF
R3G2
10K_1%
R2G7
10K_1%
L4H1
4.7uH
1 2
C3H4
0.1UF
R3V6
NO_STUFF_10K
C3G5
47pF
C3V3
0.01UF
R3V8
10K
R3V4
25.5k_1%
1 2
R3G9 0
R3V5
NO_STUFF_10K
R3V11
10K_1%
R3G4 0
C3G8
150uF
CON3_HDR
J3G2
3
2
1
R3V13
NO_STUFF_4.99k_1%
C3G13
220PF
C4H1
150uF
R3V3
5.49k_1%
1
2
R3G1
10K_1%
C3G11
0.1UF
R3V10 NO_STUFF_0
C4J1
150uF
R3U3
NO_STUFF_10K_1%
R3W3
10K_1%
C3G1
0.01UF
R3V1 10K_1%
R4G3 43.2_1%
C4F1
0.1UF
C3V1
8200pF
1 2
R3G5 0
J3G1
1 2
L4G1
4.7uH
1 2
R3F21 43.2_1%
R3V7
10K
R3W2
NO_STUFF_0
R3G6
10K_1%
C3G9
0.022uF
Note for layout: This part has
special pad on it’s underside
U3G3
TPS54672
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
4
27
28
AGND
VSENSE
NC/Comp
BOOT
PH0
PH1
PH2
PH3
PH4
PH5
PH6
PH7
PH8
PGND4
PGND3
PGND2
PGND1
PGND0
VIN4
VIN3
VIN2
VIN1
VIN0
VBAIS
REFIN
STATUS
ENA
RT
R3F22
NO_STUFF_10K
C3F6
0.1UF
R3G12 100K
C3G12
0.1UF
C3V4
8200pF
1 2
C6J1
150uF
Note for layout: This part has
special pad on it’s underside
U3G1
TPS54610
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
4
27
28
AGND
VSENSE
NC/Comp
BOOT
PH0
PH1
PH2
PH3
PH4
PH5
PH6
PH7
PH8
PGND4
PGND3
PGND2
PGND1
PGND0
VIN4
VIN3
VIN2
VIN1
VIN0
VBAIS
SS/ENA
PWRGD
FSEL
RT
R3V2 221_1%
R3V9
267_1%
R4G1 5.49k_1%
1 2
VDD+
GND
-
+
U3G2B
TLV2463
9
7
8
4
6
10
C3H1
0.022uF
C3V2
5600pF
1 2
C3H3
150uF
R3G11 0
C3V5
0.082uF
R3V12
3.92k_1%
C6J2
150uF
C4H5
0.1UF