RT5509WSC datasheet(34/58 Pages) RICHTEK

34 / 58 page

RT5509

is a registered trademark of Richtek Technology Corporation

www.richtek.com

DS5509-00

August

2017

ADDR Byte

Bits

R/W

Name

Description

Default

0x1B

7:0

R/W

VBAT_GAIN

Mapping VBAT 1LSB to real value

(1LSB = 1/1024V) :

Ex. VBAT 1LSB = 5mV

VBAT_GAIN = 0.005/(1/1024) * 32

(MTP)

0x1E

1:0

R/W

BST_MODE

Boost mode :

00 : disable

01 : battery

10 : fixed

11 : adaptive

2’b00

0x1F

11:6

R/W

BST_THT1

000000 : disabled

000001 to 100001 : 2.9 +

BST_THT1 * 0.2V

e.g. 000001 : 3.1V, 100001 = 9.5V

100010 to 111111 : Reserved

6’b000000

5:0

R/W

BST_TH1

000000 : disabled

000001 to 100001 : 1.3 +

BST_THT1 * 0.2V

e.g. 000001 : 1.5V, 100001 = 7.9V

100010 to 111111 : Reserved

6’b000000

0x20

11:6

R/W

BST_THT2

same defination as BST_THT1

6’b000000

5:0

R/W

BST_TH2

same defination as BST_TH1

6’b000000

0x21

11:6

R/W

BST_THT3

same defination as BST_THT1

6’b000000

5:0

R/W

BST_TH3

same defination as BST_TH1

6’b000000

0x22

R/W

EN_AMP_OCP_LATCH

1: enable amplifier OCP latch

3:2

R/W

SLEW_RATE

VBST slew rate when using

adaptive mode :

00 : 2.5mV/

s

01 : 5mV/

s

10 : 10mV/

s

11 : 20mV/

s

2’b01

1:0

R/W

BST_TOT

Level timeout time :

00 : 500

s

01 : 1ms

10 : 2ms

11 : 4ms

2’b01

0x23

7:0

R/W

SIG_GAIN

Signal path gain :

SIG_GAIN = DA gain * other analog

gain * 10

8’h69

0x24

R/W

DCM_EN

DCM enable :

0 : disable

1 : enable

R/W

PSM_EN

PSM enable :

0 : disable

1 : enable

RT5509WSC Datasheet(PDF) 34 Page - Richtek Technology Corporation

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