RT4813
I2C Register
b[7]
(MSB)
b[0]
(LSB)
Function Register Address
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
Meaning Reversed ILIM_OFF
IPCHG
DRV_SEL<2:0>
1
SSFM
0
Config 0X01
Default
0
0
0
1
1
1
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Boost valley current limit setting
ILIM_OFF
0 : Boost current limit enable (default)
1 : Boost current limit disable
Pre-charge current setting.
00 : 0.5A
IPCHG
01 : 1A (default)
10 : 1.5A
11 : 2A
LG driver driving capability
000 : Slowest
DRV_SEL<2:0>
:
:
111 : Fastest (default)
Spread spectrum setting.
SSFM
0 : Spread spectrum disable (default)
1 : Spread spectrum enable
b[7]
(MSB)
b[0]
(LSB)
Function Register Address
b[6]
b[5]
b[4]
b[3]
b[2]
b[1]
Meaning
Charger
Control 3
ILIM_SS<7:4>
ILIM_AVG<3:0>
0X03
Default
0
0
0
0
0
0
0
0
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Soft-start period boost current limit setting. The default current and soft-start min
boost current limit setting is 3000mA.
Code
1001
1010
1011
1100
Current
3000mA (default)
3500mA
Code
1101
1110
1111
Current
5000mA
5500mA
6000mA
ILIM_SS<7:4>
4000mA
4500mA
Average Output Current limit setting. The default current is 3100mA.
Code
0000
Current
Code
0100
Current Code Current
Code
Current
3100mA
(Default)
2420mA 1000 1740mA 1100
1060mA
ILIM_AVG<3:0>
0001
0010
0011
2930mA
2760mA
2590mA
0101
0110
0111
2250mA 1001 1570mA 1101
2080mA 1010 1400mA 1110
1910mA 1011 1230mA 1111
890mA
720mA
550mA
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
12
DS4813-09 August 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
