Vdd3/Vdd5 - EUROCOM N150SC Service Manual

Schematic Diagrams
VDD3, VDD5

VDD3/VDD5

A
VDD3
Sheet 43 of 55
VDD3
VDD3, VDD5
B
C
D
B - 44 VDD3, VDD5
1 2 3
PC166
1000p_50V_X7R_04
VIN VREG3
PC160 PC165
4.7u_25V_X5R_08 1u_6.3V_X5R_04
PC164
PQ40A
EMB17A03V
4
Short Short
PJ17 PJ17 SYS3V PL13
*OPEN-5mm BCIHP0730-4R7M
5A
2 1 2 1
PQ40B
PC150 PC158 EMB17A03V
2
PC66 R1
+
PR144 PD15
13K F 1/16W SMD0402 Z3618
PR184
Z3619 *5.1_06
R2
PR147
20K_1%_04
Vout
=2*(1+R1/R2)
=2*(1+13K/20K)
=3.3V
Battery Mode VDD5 can't be
tured off at system off
DD_ON_EN_VDD
PR139 *0_04
[33,38,39] DD_ON
D
2 G
PR138 0_04 Z3620 PJ22
[38,39] USB_CHARGE_EN
S *CV-40mil
SUPPORT USB CHARGER PQ17A
MTDK5S6R
POWER ON:
USB_CHARGE_EN = DDON=HI
POWEROFF CHARGE:
USB_CHARGE_EN = HI
DDON = LO
G
[46] AC_IN
PQ14
*2SK3018S3
1 2 3
4 5
1015
VREF
PR201
*20mil_short_04
PR194 *0_04
PC172
1u_6.3V_X5R_04
PR191 PR204
EN_3V EN_5V
130K_04 130K_04 PC175
1000p_50V_X7R_04
PU8
7 24
VO2 VO1
PR205 *10K_04
8 23 Z3608
LDO3 POK
0.1u_10V_X5R_04 PR208 0_06 PC174
Z3601 9 22 Z3622
BOOT2 BOOT1
UP6182B
Z3602 10 21 Z3610
UGATE2 UGATE1
Z3603 11 20 Z3611
PHASE2 PHASE1
PQ46
Z3604 12 19 Z3612 MDV1524URH
LGATE2 LGATE1
2nd:
6-02-5608-CQ0
EN_ALL
PR193
*680K_1%_04 PR200
PR195
PR202 *20mil_short_04 *0_04
VREF
2_06
PR203 *0_04 Z3605
VREG5
VIN1 VREG5
PD20
C A PC167 PC173
VIN
RB751S-40C2 4.7u_25V_X5R_08 1u_6.3V_X5R_04
VREG5
1015
EN_5V
PR148
10K_04
D
PQ17B
5 G
MTDK5S6R
S
PC84
4 5
6 7
VIN
+ C776
SYS5V
PC163 PC161 PC162 + C593
*220UF_25V_6.3*12
0.1u_50V_Y5V_06 4.7u_25V_X5R_08 4.7u_25V_X5R_08 *15u_25V_6.3*4.4
PQ45
4 MDV1526URH SYS5V
Short
PL12 PJ21 PJ21
BCIHP0730-2R2M *OPEN-5mm *OPEN-5mm
1 2
PC159
6A
PC99 R1
PD16 PR150
4
Z3621 30K_1%_04
PR185 1000p_50V_X7R_04
PC153 PC78
+
PR151
R2 0.1u_10V_X7R_04
PR152 220u_6.3V_6.3*6.3*4.2
*1.5M_04 18.7K_1%_04
Vout
=2*(1+R1/R2)
=2*(1+30K/18.7K)
=5.208V
! ! ! !!DMFWP!DP/ ! ! ! !!DMFWP!DP/ ! ! ! !!DMFWP!DP/
Title Title Title
[43]VDD3,VDD5 [43]VDD3,VDD5 [43]VDD3,VDD5
[17,20,44] 3V3_RUN
[12,39,40,41,42,44,45,46] VIN
Size Size Size Document Number Document Number Document Number
[39] VIN1 6-71-N1500-D02A 6-71-N1500-D02A 6-71-N1500-D02A
A3 A3 A3
[33,39,40] VDD5
[22,29,31,34,37,38,39,40,46] VDD3
Date: Date: Date: Tuesday, December 16, 2014 Tuesday, December 16, 2014 Tuesday, December 16, 2014 Sheet Sheet Sheet
6 7
8
A
VDD5
VDD5
1 2
B
C
D
R e v R e v R e v
2.0A 2.0A 2.0A
43 43 43 o f o f o f 55 55 55
8