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LP3918TL/NOPB 데이터시트(PDF) 16 Page - Texas Instruments

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부품명 LP3918TL/NOPB
상세설명  Battery Charge Management and Regulator Unit
PDF  39 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
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LP3918TL/NOPB 데이터시트(HTML) 16 Page - Texas Instruments

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LP3918
SNVS476D – AUGUST 2007 – REVISED MAY 2013
www.ti.com
END OF CHARGE CURRENT PROGRAMMING
Table 6. LP3918 EOC Current Control
Address
Register ID
End Of Charge Current Selection Bits
PROG_EOC[1]
PROG_EOC[0]
End Of Charge Current
CHGCNTL3<3>
CHGCNTL3<2>
0
0
0.1 (Default)
8h'12
CHGCNTL3
0
1
0.15C
1
0
0.2C
1
1
0.25C
CHARGING RESTART VOLTAGE PROGRAMMING
Table 7. LP3918 Charging Restart Voltage
Address
Register ID
Charging Restart Voltage Selection Bits
PROG_VRSTRT[1]
PROG_VRSTRT[1]
Restart Voltage(V)
CHGCNTL3<1>
CHGCNTL3<0>
0
0
VTERM - 50mV
8h'12
CHGCNTL3
0
1
VTERM - 100mV
1
0
VTERM - 150mV
1
1
VTERM - 200mV
Charger Control Register 1
CHARGING MODE SELECTION
Charging mode selection changes will only take place when the battery voltage is above the 3.0V pre-
charge/Full-rate charge threshold.
Table 8. LP3918 USB Charging Selection
Address
Register ID
USB Charge Mode Control Bits
USB_Mode_En
CHG_Mode_En
Mode
Current
CHGCNTL1<7>
CHGCNTL1<6>
0
0
Fast Charge
Default or
Selection
8h'10
CHGCNTL1
1
0
Fast Charge
Default or
Selection
0
1
USB
100mA
1
1
USB
450mA
16
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Copyright © 2007–2013, Texas Instruments Incorporated
Product Folder Links: LP3918



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