14Charger
Title
Size
Document Number
Rev
Date:
Sheet
of
15
14
V1.0
MT6575 Tablet
A1
Friday, March 09, 2012
25V rating
OVP: 12V
VCDT rating: 1.268V
4mil
4mil
80mil
Charger
Rfg
40mil
40mil
VCDT rating: 1.268V
BATTERY CONNECTOR
80mil
1. Close to Battery Connector.
(Rsense (R312) <10mm)
2. Main path should be 40mil.
(VBUS -> U301's E, -> U301's C -> R312 -> VBAT)
3. Star connection from R312 to BAT Connector
External Charger : NCP1851
ILIM1
ILIM2
INPUT CURRENT LIMIT
0
0
0
1
1
0
1
1
100 mA
Automatic Charge Current
500 mA
900 mA
5
4
3
2
1
D
C
B
A
1
2
3
4
5
VBAT_SUPPLY1
BAT_NTC
GND
A1
IN
A2
IN
B1
CAP
B2
CAP
B3
OTG
A3
SPM
A4
SDA
A5
SCL
B4
ILIM2
B5
FLAG
D1
PGND
D2
PGND
D3
SENSP
D4
SENSN
D5
FET
E1
CBOOT
E2
TRANS
E3
CORE
E4
WEAK
E5
BAT
C3
AGND
C4
ILIM1
C5
NTC
C1
SW
C2
SW
U1401
NCP1851
R1417
RES0402
24K_1%
NC1407
NC PAD
R1414
RES0402
3.3K_1%
R1406
0/NC
R1412
330K_1%
RES0402
6
D4
7
S2
4
S1
1
D1
5
D3
2
D2
3
G
8
D5
U1402
UDFN6/SMD/P0.65/NTLUS3A40PZ
NTLUS3A40PZ
R1408
100K
R1404
NC
R1402
0/NC
C1406
4.7uF/6.3V/X5R
2
3
1
U1403
2-1L1B/SMD/SSM3K35MFV
SSM3K35MFV
C1401
4.7uF/6.3V/X5R
NC1404
NC PAD
NC1405
NC PAD
R1409
NC
C1407
4.7uF/6.3V/X5R
C1409
1uF/25V
C1403
2.2uF/6.3V/X5R
VR1402
EZJZ0V500AA
R1403
10K_1%
C1404
0.1uF/16V/X7R
R1416
1K_1%
VR1401
EZJZ0V500AA
C1402
4.7uF/6.3V/X5R
1
2
C1408
0.1uF/16V/X7R
R1413
39K_1%
RES0402
NC1406
NC PAD
L1401
LQM2HPN2R2MG0 (2.2uH)
R1407
RES0402
NC/0
R1410
NC
C1405
0.01uF/16V/X7R
R1401
0/NC
R1411
100K
R1405
0.068_1%
R1415
0.02_1%
1
J1401
1
J1402
1
J1403
VBUS
VBUS
VBAT
VBUS
VBAT_SUPPLY
VBAT_SUPPLY
VBAT
VBAT_SUPPLY
VCDT
[3]
CHR_LDO
[3]
ISENSE [3]
BATSNS [3]
BAT_ON
[3]
FGN
[14]
FGN
[14]
TREF
[3]
FGN_IC [3]
FGP_IC
[3]
PCH_DET [3]
PCH_LED
SCL0
[1,7,13,15]
SDA0
[1,7,13,15]
CHARGER_SWITCH
[1]
EINT4_CHARGER
[1]
GPIO_USB_DRVVBUS
[1,12]
NCP1851_CORE
FGN_IC
NCP_ILIM1
CHARGER_SWITCH
PCH_DET
NCP_ILIM2
NCP_OTG
VBAT_SUPPLY
NCP_FLAG
NCP_TRANS
PCH_LED
FET_CTRL
FGP_IC
NCP1851_CORE
NCP_ILIM1
NCP_ILIM2
BAT_NTC
VBAT_SUPPLY
VBAT_SUPPLY
VBAT
VDD18_6575
GND
GNDGND
GND
GND
GND
GND
GND
GND
GND
GND