RT5509 datasheet(35/58 Pages) RICHTEK

Teilenummer	RT5509

Bauteilbeschribung	Speaker Amplifier with Speaker Protection

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Hersteller	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT5509

is a registered trademark of Richtek Technology Corporation

DS5509-00

August

2017

www.richtek.com

35

ADDR Byte

Bits

R/W

Name

Description

Default

0x25

1

7:6

R/W

Reserved

5:0

R/W

PSM_THR1

PSM IPEAK value setting :

When 6-bit IDAC1 < PSM_THR1,

PSM mode is enabled if PSM_EN

and DCM_EN is on.

The actual

IPEAK is calculated as following:

IPEAK to (IDAC1(6-bit) * 0.625e-3

*12.2 * 50 /6.1)

– (slope_comp *

(1-VBAT * effi / VBST))

6’b000000

0x26

1

7:4

R/W

3

R

OC_EV

OC event happens

2

R

OT_EV

OT event happens

1

R/W

OCP_EN

Over-current protection enable :

0 : disable

1 : enable

1

0

R/W

OTP_EN

Over-temperature protection

enable :

0 : disable

1 : enable

1

0x2B

1

7

R/W

Reserved

6:0

R/W

CC_MAX

IDAC1 peak value

6’b000000

0x2C

1

7

R/W

Reserved

6:0

R/W

OCP_CURR

IDAC1 6-bit ocp enable level

6’b0

0x2D

2

15:12

Reversed

11

RC

INT_LEAK_SPK

Speaker air leak interrupt

0

10

R

INT_flagResDmg

Similar as 0x02 flagResDmg, but

this bit CAN’T be cleared by read,

and only can be clear by write 0 to

corresponding bit in register 0x02

0

9

R

INT_flagFreqDmg

Similar as 0x02 flagFreqDmg,but

this bit CAN’T be cleared by read,

and only can be clear by write 0 to

corresponding bit in register 0x02h

0

8

RC

INT_STB_BCK

BCK stable interrupt

0

7

RC

INT_LCK_PLL

PLL lock interrupt

0

6

RC

INT_OC_BST_P

Predicted boost converter

over-current interrupt

0

5

RC

INT_UV_VBAT

VBAT under-voltage interrupt

0

4

RC

INT_OV_PVDD

PVDD over-voltage interrupt

0

3

RC

INT_OC_AMP_P

Amplifier PMOS over-current

interrupt

0

2

RC

INT_OC_AMP_N

Amplifier NMOS over-current

interrupt

0

1

RC

INT_OC_BST

Boost converter over-current

interrupt

0

RC

INT_OT

Boost temperature interrupt

0

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