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Main Board DC Power Circuit Diagram

This electrical diagram shows the main circuit board of a device. It has a 5.5V output generated from a switching regulator chip powered by an input voltage. It also has a 3.8V output generated in the same way. There are voltage detectors and LED indicators for power and status. The battery connection uses protection devices between the battery and load.

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9183290782
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© Attribution Non-Commercial (BY-NC)
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129 views1 page

Main Board DC Power Circuit Diagram

This electrical diagram shows the main circuit board of a device. It has a 5.5V output generated from a switching regulator chip powered by an input voltage. It also has a 3.8V output generated in the same way. There are voltage detectors and LED indicators for power and status. The battery connection uses protection devices between the battery and load.

Uploaded by

9183290782
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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8.

0 ELECTRICAL DIAGRAM
MAIN BOARD CIRCUIT DIAGRAM (DC POWER)
C077
16v/100u

C088
100N

L005
CDRH6D38-330MC

C28
100N

#HV9V

C091 C024 C167


10U/10V 100N100U/10V

DRVCC 5V5

CATION:REPLACE PUSE WITH SAME

5.5V OUT

TYPE AND RATING

T3A/125V

100k

R45
C57

200k

N5

VFB RUN

GND

SW

22P
4

VIN

3
FB1

SW1

22

VREF

SW1

21

GND

REG

20

C154
1U

3.8V

FB2

COMP2

PGND

19

INV3

SW2

18

10

FB3

SW2

17

11

COMP3

BOOT2

16

12

CDET

PVCC2

15

13

SS

SW3

14

C23

L37
CDRH6D38-330MC

N101

R104

LED

POWERSW

R93

1k8

C152
100N

CB1

10

L39
CDRH6D38-330MC
VD2

1K8

VD02

OUT

STAT1

DTA124

3
4
5
6
7

C16

DTC144

R10

220N

LED

OUT

20

STAT2

19

IN

PGND

18

IN

PGND

17

PG-

CE-

16

VCC

SNS

15

TTC

BAT

14

R105

10k

R26

6k2

R105

7k5

ISET1

CELLS

13

R124

7k5

ISET2

TS

12

VTSB

11

10

"

C020
100U/16V

B240A

S2
G2
S1
G1

1
2
3
4

VSS
D6
BQ24103

R103

VD33

BAT+

10UF

C13

10UF

R68

DCC

TS

C2

C21

C50

10UF 10UF 100N


C15

R002

1k

R001

47k

100UH

IUF

IN

OUT

C73
100U/16V

OUT

TFT3V3
C235

C77

100N

100N

DVD 3V3

R02

1k

R03

47k

POWERSW

L43
CDH124-100MC

#BAT-

F004
0430005NR
2
1

XS001

TS

C049
100U/16V

DCC

BAT+

0R5

C020
100U/16V

L36

-5V OUT

SLITE100MF

C11

IN

CB108
100N

##DCIN

AO4801L

1UF

VD15

D2
D2
D1
D1

L33

VD105
BA033

C156
16v/100u

8
7
6
5

220UH
C011
100N

B240A

VD32

100U/16V
C05

3.8V OUT

L33
220UH

#BAT-

DCC

BD9303FP

C155
47N

N02

VD03

OUT

B240A

10UF 10UF

IN

FIN

C03

DCC

VD1

C194
2.2U

1.8V

10UH

C147
100N

GND

23

C67

BOOT1

10U/10V

COMP1

100N

VD105
BA033

PVCC1

N17
PQ05DZ11

C10

ENB

24

10U/10V

C150
30P

L34

APS1006

CB122

R177
20K
C153
1N
R180
20K

R176
68K

+P5V
CB41

C121
100U/16V

100N

C151
1N

R175
18K

R182
56K
R119

25

GND

C207
30P

R179

VD9
DTC144

C149
1U

VCC

FIN

SW001
SSSS716603

OUT

BRIGHT CON

R7
20K

RT

NC

DV33

10K

R118
15K

NC

R281

C143
1N

IN

CB10
100n

VD6
IN5402

C144
30P

R173
51K

R2
75

GND

C001
100N

B240A

R118
51K

VD004

C139
100N

CO

R225
1K

B240A

VD003

FM001
LV-R0484
3
2

F003
0430003WR
1

27K

JS001
HEC4801-010010

VD101
BA05

C010 C07 C129 C128


C138
C021
100N 100N 100N 10U/10V 10U/10V 100U/16V1

C11
16v/100u

GND

Littelfuse

1
2
3
4

TO
BATTERY

MOLEX-53261-0590

AUDIO -5V

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