Datasheet > RT5512B

RT5512B

更新时间： 2024-09-26 17:01:07

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
56页	2149K
描述
Audio Amplifier with IV Sense

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RT5512B 数据手册

RT5512B

Audio Amplifier with IV Sense

General Description

Features

 Class-D Speaker AMP

The RT5512B is a boosted class-D amplifier with V/I

sensing. A built-in DC-DC step-up converter is used to

provide efficient power for class-D amplifier with

multi-level class-H operation. The digital audio

 7W Output Power @ 12V, 8 load, THD+N < 1%

 0 to 23dB Analog Gain

 10V Output Noise @ 18dB Gain

 Add DRE to Reduce Output Noise

 Min. R = 3.2, Max. R = 38

interface supports I S, left-justified, right-justified and

TDM format for audio in with a data out used for chip

information like voltage sense and current sense, which

are able to be monitored via DATAO pin through proper

 Boost Converter

 Adaptive Boost for Speaker, Boost from

Battery Supply Up to Programmed Voltage,

Max. 12.5V

Applications

 Smart Phone, Tablet

 Switching Frequency 2MHz

 Accurate Input Current Limit

 Analog Part : Feedback ADC, Current Sense,

Slope Compensation

Ordering Information

 Digital Part : Voltage Loop and End-Point

Prediction in Boost Mode

RT5512B

Package Type

WSC : WL-CSP-36B 2.57x2.57 (BSC)

 V/I Sensing

 Digital

Note :

 Digital Audio Interface Support I S,

Richtek products are :

Left-Justified, Right-Justified, TDM

 Flexible Interrupt Controller

 Clip Control (Battery Safeguard) to Prevent

Drawing Larger Current from Battery when Low

VBAT

 RoHS compliant and compatible with the current

requirements of IPC/JEDEC J-STD-020.

 Suitable for use in SnPb or Pb-free soldering

processes.

 Volume Control

Marking Information

 RoHS Compliant and Halogen Free

26 : Product Code

YMDNN : Date Code

26 YM

DNN

Simplified Application Circuit

1.8V

VBAT

BST

INB

SDA

SCL

Control

Interface

VBATCP

INB

OUTP

DATAI

RT5512B

Audio Interface

OUTN

VREF

BCK

DATAO

VREF

GNDD GNDP GNDB

is a registered trademark of Richtek Technology Corporation

DS5512B-00

August 2022

www.richtek.com

12 3 4 5 6 7...56

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