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RT9481 датащи(PDF) 28 Page - Richtek Technology Corporation

номер детали RT9481
подробное описание детали  Easy to Use Power Bank Solution
PDF  41 Pages
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производитель  RICHTEK [Richtek Technology Corporation]
домашняя страница  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9481 датащи(HTML) 28 Page - Richtek Technology Corporation

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RT9481
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS9481-00 June 2015
28
Function
Register
Address
b[7]
(MSB)
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
b[0]
(LSB)
Charger
Control 4
0X04
Meaning
TMR2X_EN
JEITA
WT_FC
WT_PRC
EN_TMR
Default
1
0
1
1
1
1
0
0
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
TMR2X_EN
Run charge timer in half clock rate during MIVR, AICR and thermal regulation.
0 : Disable 2X extended charger timer
1 : Enable 2X extended charger timer (default)
JEITA
JEITA function
0 : Charging regulation current is ICHG (default)
1 : Charging regulation current is ICHG/2
WT_FC
Define Fast charge Timer. The default time is 20 hours.
Code
Hours
Code
Hours
Code
Hours
Code
Hours
000
6 hours
010
10 hours
100
14 hours
110
18 hours
001
8 hours
011
12 hours
101
16 hours
111
20 hours
(default)
WT_PRC
Define Pre-charge charge Timer
00 : 30mins
01 : 45mins
10 : 60mins (default)
11 : 60mins
EN_TMR
0 : Disable internal timer function (default)
1 : Enable internal timer function
Function
Register
Address
b[7]
(MSB)
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
b[0]
(LSB)
Charger
Control 5
0X05
Meaning
MIVR[2:0]
IPREC[1:0]
EOC[2:0]
Default
1
1
0
0
1
0
1
0
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
MIVR[2:0]
Define VMIVR voltage. The default voltage is 4.7V.
Code
Voltage
Code
Voltage
Code
Voltage
Code
Voltage
000
Disable
010
4.3V
100
4.5V
110
4.7V (default)
001
4.2V
011
4.4V
101
4.6V
111
4.8V
IPREC[1:0]
Define Pre-Charge Current
00 : 200mA
01 : 300mA (default)
10 : 400mA
11 : 500mA
EOC[2:0]
Define Termination Current (IEOC RSENSE is 10m
). The default current is 200mA.
Code
Current
Code
Current
Code
Current
Code
Current
000
Disable
010
200mA
(default)
100
300mA
110
500mA
001
150mA
011
250mA
101
400mA
111
600mA



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