RT9481 Datasheet, PDF (25/41 Pages) Richtek Technology Corporation – Easy to Use Power Bank Solution

Register
b[7]
Function
b[6]
b[5]
b[4]
Address
(MSB)
Meaning
IAICR[5:0]
Charger
0X01 Default
0
Control 1
Read/
R/W
Write
0
1
0
R/W
R/W
R/W
Define AICR current. The default current is 0.5A.
Code
Current
Code
Current
000000
Disable 010000
0.8A
IAICR[5:0]
TE
OPA_MODE
000001
0.1A
010001
0.85A
000010
0.1A
010010
0.9A
000011
0.15A 010011
0.95A
000100
0.2A
010100
1A
000101
0.25A 010101
1.05A
000110
0.3A
010110
1.1A
000111
0.35A 010111
1.15A
001000
0.4A
011000
1.2A
001001
0.45A 011001
1.25A
001010
0.5A
(default)
011010
1.3A
001011
0.55A 011011
1.35A
001100
0.6A
011100
1.4A
001101
0.65A 011101
1.45A
001110
0.7A
011110
1.5A
001111
0.75A 011111
1.55A
Termination enable
0 : Disable charge current termination (default)
1 : Enable charge current termination
0 : Charger mode (default)
1 : Boost mode
b[3]
b[2]
1
0
R/W
R/W
Code
100000
100001
100010
100011
100100
100101
100110
100111
101000
101001
101010
101011
101100
101101
101110
101111
Current
1.6A
1.65A
1.7A
1.75A
1.8A
1.85A
1.9A
1.95A
2A
2A
2A
2A
2A
2A
2A
2A
RT9481
b[0]
b[1]
(LSB)
TE
OPA_ MODE
0
0
R/W
R/W
Code
110000
110001
110010
110011
110100
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
Current
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
2A
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
DS9481-00 June 2015
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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