RT9481 datasheet(27/41 Pages) RICHTEK

27 / 41 page

RT9481

is a registered trademark of Richtek Technology Corporation.

DS9481-00 June 2015

www.richtek.com

Function

Address

b[7]

(MSB)

b[6]

b[5]

b[4]

b[3]

b[2]

b[1]

b[0]

(LSB)

Charger

Control 3

0X03

Meaning

Boost _CV[5:0]

TREG_SEL[1:0]

Default

Read/

Write

R/W

Boost _CV[5:0]

Define Boost regulation voltage. The delta-V of the Boost voltage is 25mV. The default voltage is 5.1V.

Code

Voltage

Code

Voltage

Code

Voltage

Code

Voltage

000000

3.625V

010000

4.025V

100000

4.425V

110000

4.825V

000001

3.65V

010001

4.05V

100001

4.45V

110001

4.85V

000010

3.675V

010010

4.075V

100010

4.475V

110010

4.875V

000011

3.7V

010011

4.1V

100011

4.5V

110011

4.9V

000100

3.725V

010100

4.125V

100100

4.525V

110100

4.925V

000101

3.75V

010101

4.15V

100101

4.55V

110101

4.95V

000110

3.775V

010110

4.175V

100110

4.575V

110110

4.975V

000111

3.8V

010111

4.2V

100111

4.6V

110111

001000

3.825V

011000

4.225V

101000

4.625V

111000

5.025V

001001

3.85V

011001

4.25V

101001

4.65V

111001

5.05V

001010

3.875V

011010

4.275V

101010

4.675V

111010

5.075V

001011

3.9V

011011

4.3V

101011

4.7V

111011

5.1V (default)

001100

3.925V

011100

4.325V

101100

4.725V

111100

5.125V

001101

3.95V

011101

4.35V

101101

4.75V

111101

5.15V

001110

3.975V

011110

4.375V

101110

4.775V

111110

5.175V

001111

011111

4.4V

101111

4.8V

111111

5.2V

Boost : 3.625 + Boost _CV x 0.025V, Boost max.: 5.2V

TREG_SEL[1:0]

Define thermal regulation level

00 : 100

C

01 : 120

C (default)

10 : 135

C

11 : 135

C

RT9481 Datasheet(PDF) 27 Page - Richtek Technology Corporation

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