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RT9481 Datasheet(PDF) 29 Page - Richtek Technology Corporation

Part # RT9481
Description  Easy to Use Power Bank Solution
PDF  41 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9481 Datasheet(HTML) 29 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.
DS9481-00 June 2015
www.richtek.com
29
Function
Register
Address
b[7]
(MSB)
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
b[0]
(LSB)
Charger
Control 6
0X06
Meaning
ICHG[3:0]
VPREC[3:0]
Default
0
0
0
0
0
1
1
1
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ICHG[3:0]
Define charging regulation current. The default current is 7mV (0.7A).
Code
Current
Code
Current
Code
Current
Code
Current
0000
7mV
(0.7A)
(default)
0100
17mV (1.7A)
1000
27mV
(2.7A)
1100
27mV (2.7A)
0001
9.5mV
(0.95A)
0101
19.5mV
(1.95A)
1001
27mV
(2.7A)
1101
27mV (2.7A)
0010
12mV
(1.2A)
0110
22mV (2.2A)
1010
27mV
(2.7A)
1110
27mV (2.7A)
0011
14.5mV
(1.45A)
0111
24.5mV
(2.45A)
1011
27mV
(2.7A)
1111
27mV (2.7A)
External Sensing R : Charge current sense voltage (current equivalent for 10m
 sense resistor)
VPREC[3:0]
Define Pre-Charge Threshold. The default voltage is 3V.
Code
Voltage
Code
Voltage
Code
Voltage
Code
Voltage
0000
2.3V
0100
2.7V
1000
3.1V
1100
3.5V
0001
2.4V
0101
2.8V
1001
3.2V
1101
3.6V
0010
2.5V
0110
2.9V
1010
3.3V
1110
3.7V
0011
2.6V
0111
3V (default)
1011
3.4V
1111
3.8V
Function
Register
Address
b[7]
(MSB)
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
b[0]
(LSB)
Charger
Control 7
0X07
Meaning
Reversed
Reversed
Reversed
Reversed
Reversed
TDEG_EOC
Default
0
0
0
0
0
1
1
1
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
TDEG_EOC[2:0]
EOC de-glitch time
Code
Time
Code
Time
Code
Time
Code
Time
000
32
s
010
128
s
100
4ms
110
16ms
001
64
s
011
256
s
101
8ms
111
32ms
(default



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