RT9481 Datasheet, PDF (26/41 Pages) Richtek Technology Corporation – Easy to Use Power Bank Solution

RT9481
Register
b[7]
Function
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
Address
(MSB)
b[0]
(LSB)
Meaning
CHG_CV[5:0]
Reversed
Reversed
Charger
0X02
Control 2
Default
Read/
Write
0
1
0
1
1
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Define battery regulation voltage. The delta-V of the Battery regulation voltage is 25mV. The default voltage is
4.2V.
Code
Voltage
Code
Voltage
Code
Voltage
Code
Voltage
000000
3.65V 010000
4.05V
100000
4.45V
110000
4.6V
000001
3.675V 010001
4.075V
100001 4.475V
110001
4.6V
000010
3.7V
010010
4.1V
100010
4.5V
110010
4.6V
000011
3.725V 010011
4.125V
100011 4.525V
110011
4.6V
000100
3.75V 010100
4.15V
100100
4.55V
110100
4.6V
000101
3.775V 010101
4.175V
100101 4.575V
110101
4.6V
CHG_CV[5:0]
000110
000111
3.8V
3.825V
010110
010111
4.2V
(default)
4.225V
100110
100111
4.6V
4.6V
110110
110111
4.6V
4.6V
001000
3.85V 011000
4.25V
101000
4.6V
111000
4.6V
001001
3.875V 011001
4.275V
101001
4.6V
111001
4.6V
001010
3.9V
011010
4.3V
101010
4.6V
111010
4.6V
001011
3.925V 011011
4.325V
101011
4.6V
111011
4.6V
001100
3.95V 011100
4.35V
101100
4.6V
111100
4.6V
001101
3.975V 011101
4.375V
101101
4.6V
111101
4.6V
001110
4V
011110
4.4V
101110
4.6V
111110
4.6V
001111
4.025V 011111
4.425V
101111
4.6V
111111
4.6V
CHG : 3.65V + CHG_CV x 0.025V, max. : 4.6V
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DS9481-00 June 2015