Mobile Intel Pentium 4 Processor - M and Intel 845MP/MZ Chipset Platform Design Guide

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
DDR VR
DDR VRDDR VR
DDR VR
NewPart
Vtt Sense
Single point
sense
near load
NewPart
PwrPad
Single point
sense
near load
Coilcraft
DO5022P-103
10uH 10A
sat.
5 Amp 40 mOhms
Coilcraft
DT3316P-332
10 mili ohm sense rstr and 100 ohm gain rstr. The full scale
output is 2.5V at 0.5V per Amp.
Vtt Sense
PwrPad
10 mili ohm sense rstr and 100 ohm gain rstr. The full scale
output is 2.5V at 0.5V per Amp.
Measurement Point
Measurement Point
U43
U51
DDR_VR
39 42
845MP/MZ Platformm
Title
Sheet of
Project:
SM_VREF
PG_EN
+VDDR
Vddr_AVddr_A
EN_AMP
FSEL
PM_SLP_S3#
SM_VREF 6,10
+V5
18,19,24,25,26,34,40
+V5
18,19,24,25,26,34,40
+V518,19,24,25,26,34,40
+V5 18,19,24,25,26,34,40
+V1.25
6,12,13
+V2.5
7,8,13,40
+V3.3ALWAYS9,16,17,18,19,24,25,26,29,32,33,34,40
+V2.5 7,8,13,40
+V3.3ALWAYS
9,16,17,18,19,24,25,26,29,32,33,34,40
+V2.5_DDR
10,13
+V518,19,24,25,26,34,40
+V518,19,24,25,26,34,40
PM_SLP_S3#14,16,21,29,34,40
C362
47pF
C394
0.1UF
C372
150uF
CON3_HDR
J70
3
2
1
VDD+
GND
-
+
U47B
TLV2463
9
7
8
4
6
10
R271 NO_STUFF_10K
R216
5.49k_1%
1
2
R254
10K_1%
C345
8200pF
1 2
R162
100_1%
C365
0.1UF
C397
0.022uF
C313
150uF
R294
100_1%
R462 0
R304
NO_STUFF_0.01_1%
1 2
C367
0.1UF
R297
100K_1%
C386
150uF
C378
0.01UF
R163
100_1%
R268
0
C381
150uF
C314
150uF
Note for layout: This part has
special pad on it's underside
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
U53
MAX472
1
2
3
4
8
7
6
5
SHDN
NC
RG1
GND
OUT
VCC
RG2
SIGN
CON3_HDR
J42
3
2
1
C396
0.082uF
R284
4.99k_1%
R278
0.01_1%
R255
10K_1%
R277
NO_STUFF_4.99k_1%
C392
8200pF
1 2
R206
100K_1%
L13
10uH
1 2
R172
0.01_1%
R266
10K
R256
10K
C336
0.1UF
C380
150uF
C387
0.1UF
C395
220PF
R293
100_1%
R205
10K_1%
R461
NO_STUFF_0
C390
0.1UF
R215
221_1%
C393
150uF
R265
NO_STUFF_1K_1%
VDD+
GND
-
+
U47A
TLV2463
1
3
2
4
5
10
U24
MAX472
1
2
3
4
8
7
6
5
SHDN
NC
RG1
GND
OUT
VCC
RG2
SIGN
L14
3.3uH
1 2
R166
4.99k_1%
C628
0.01UF
R460
0
R279
267_1%
C349
0.022uF
R301
4.99k_1%
Note for layout: This part has
special pad on it's underside
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
C361
5600pF
1 2
C391
0.1UF
C388
150uF
R217
25.5k_1%
1 2
R230
NO_STUFF_10K_1%
C281
0.1UF
C408
0.1UF
C382
150uF
R280
3.92k_1%
248
Design Guide