RT5508 datasheet(44/57 Pages) RICHTEK

部件名	RT5508

功能描述	Speaker Amplifier with Speaker Protection

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制造商	RICHTEK [Richtek Technology Corporation]

网页	http://www.richtek.com

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RT5508

is a registered trademark of Richtek Technology Corporation

www.richtek.com

DS5508-01

March

2017

44

Analog Block Register

ADDR

Byte

Bits

R/W

Name

Description

Default

0x80

1

7

R/W

SW_RESET

1 : Software Reset

0

-

Reserved

-

0

0x81

1

7:5

R/W

D_SPK_BOOST[2:0]

Class D gain control [000:110] = 0 to

15db/3db

3'b100

4:0

R/W

D_SPKLPF_VOL[4:0]

PGA Feedback Gain control RF

[0000~1111] =

31db to 0db/1db

4'b10111

0x82

1

1:0

R/W

D_PGA_SPKPGA_VOL[1:0]

PGA Input Gain control

00 =

6db

01 =

3db

10 = 0db

11 = 3db

2'b11

0x86

1

7

R/W

D_VMID_EN

VMID enable (AVDD/2)

0

6

R/W

D_VMID_FAST

VMID quick charge

0

5:4

R/W

D_ITH_OCP_BB[1:0]

Over-current threshold level of boost

converter

2'b01

3:0

R/W

D_IR_RAMP[3:0]

slop compensation select option

4'b1000

0x88

1

7

R/W

D_CS_EN

Current sense enable

1 = enable 0 disable

0

6:5

R/W

D_CS_SEL[1:0]

CK_CS_CHP frequence selection

00 : 256K

01 : 128K

10 : 64K

11 : 32KHz

2'b00

4:0

-

Reserved

-

0x8A

1

7

R/W

D_BUF_EN

SPK_DAC buffer and CS_ADC buffer

enable

0

6

R/W

D_BIAS_EN

Analog V2I bias enable

0

5

R/W

D_IMADC_DCHP_EN

IMADC chopper enable

0

4

R/W

D_IMADC_EN

IMADC enable (Vbattery,temp and

current DAC sense)

0

3

R/W

D_IM_GAIN_SEL

IMADC PREAMP gain setting 1: X10,

0 : X5

0

2:0

R/W

D_IPTAT_VAR[2:0]

IPTAT current select (8.0

A to

12.67

A) 011:10A with 1.66A delta

3'b011

0x8B

2

15:0

R/W

vbat_data[15:0]

read mode : read vbat_data value

from vbt_sens

write mode : when 0xC8

vbat_data_tst_en is set to 1,

vbat_data is from this register

16'h0000

0x8C

2

15:0

R/W

vtherm_data[15:0]

read mode : read vtherm_data value

from vbt_sens

write mode : when 0xC8

vtherm_data_tst_en is set to 1,

vtherm_data is from this register

16'h0000

类似零件编号 - RT5508

制造商	部件名	数据表	功能描述
Richtek Technology Corp...	RT5509	2Mb / 58P	Speaker Amplifier with Speaker Protection
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