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PM6613N bảng dữ liệu(PDF) 17 Page - STMicroelectronics

tên linh kiện PM6613N
Giải thích chi tiết về linh kiện  2 to 4-cell Li-Ion, Li-FePO4 battery charger with SMBus interface, N-channel RBFET and BATFET MOSFET selectors
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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PM6613N
Operating description
The PM6613N supports 7 SMBus commands as listed in Table 10.
4.2
ACFET/RBFET and BATFET system power selectors
The PM6613N integrates 2 charge pumps to drive nMOS selectors for ACFET/RBFET and
BATFET. At reset condition, the PM6613N internal circuitry controls the RBFET turn-on, to
avoid inrush current flowing from ADP (adapter) to SYS (system). The BATFET selector
connects (disconnects) the battery from the system. At reset condition, the BATFET selector
is controlled by the internal circuitry. During a charging process, if the adapter is
disconnected, the PM6613N stops any charge operation and remains in sleep mode: if the
BSE is set, the PM6613N connects the battery to the system. If the SOVR bit is set, the
internal circuitry can be disabled: the nMOS selectors can be manually controlled changing
the ARED and BED bits respectively.
Table 10. SMBus command summary
Address
Register
0x12
CHRG_OPT
R
Reset value
0
1
11000
1000
000
1
0x13
STATUS
Reserved
Reset value
0
0
0000
000
0
0
0x14
CHRG_AMP
Res
AMP[13:6]
Reserved
Reset value
00000
000
0x15
CHRG_VOLT
R
VOLT[14:1]
R
Reset value
0
00000
0000
000
0
0x3F
INPUT_AMP
Res
AMP[13:7]
Reserved
Reset value
10000
00
0xFE
MAN_ID
Manufacturer ID
Reset value
0
0
00000
0001
000
0
0xFF
DEV_ID
Device ID
Reset value
0
0
00000
0000
000
0



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