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NS4159

Description
Type of audio power amplifier: Class D, Class AB Output type: - Operating voltage: 3V ~ 5.5V Output power: 5.5W x 1 @ 2Ω
CategoryAnalog mixed-signal IC    Audio power amplifier   
File Size4MB,12 Pages
ManufacturerShenzhen Nsiway Technology Co., Ltd.
Websitehttp://www.nsiway.com.cn/
Shenzhen Naxinwei Technology Co., Ltd. is a national high-tech enterprise specializing in the design, development, production, sales and service of integrated circuits and related electronic products. The company is located in the integrated circuit design industrialization base in the central area of ​​Shenzhen High-tech Industrial Park, and has R&D centers in Shanghai and Taiwan, China. The company provides advanced semiconductor products and related services to the industry to achieve safe, environmentally friendly, efficient and low-cost product solutions. The product line includes power management chips, fast charging chips, audio amplifiers, charging control and other chips, focusing on market areas covering mobile communications, smart homes, notebook computers, smart wearables, new energy vehicles, speaker electronics and many other fields. Relying on the Shenzhen Integrated Circuit Design Industrialization Base, the company has established a complete integrated circuit design process and quality reliability assurance system, supports advanced IC design processes, and has independent intellectual property rights for its products. The company has always adhered to the principle of continuous innovation in technology and R&D. By adopting the latest IC design technology and cooperating with the most competitive wafer foundry and packaging factory, it realizes continuous innovation, fast and efficient product design, continuously launches more optimized overall solutions, continuously expands the project development field, and realizes product diversification and serialization to meet the ever-changing needs of customers.
Download Datasheet Parametric View All

NS4159 Overview

Type of audio power amplifier: Class D, Class AB Output type: - Operating voltage: 3V ~ 5.5V Output power: 5.5W x 1 @ 2Ω

NS4159 Parametric

Parameter NameAttribute value
Types of audio power amplifiersClass D, Class AB
Output type-
Operating Voltage3V ~ 5.5V
Output Power5.5W x 1 @ 2Ω
Extra featuresAnti-distortion, over-current and thermal protection, under-voltage protection

NS4159 Preview

Download Datasheet
深圳市纳芯威科技有限公司
SHENZHENNSIWAYTECHNOLOGY
NS4159
Oct.2018 V1.0
NS4159 5.0W
单声道
AB/D
类双模音频功率放大器附加
NCN
模式
1
特性
AB/D
类工½模式切换,电平设½
防失真功½,一线脉冲设½
输出功率:3.2W(4Ω 负½½),
5.5W(2Ω
负½½)
工½电压范围:3V½5.5V
0.2%THD(1 W
输出功率、5V 电源、4Ω负½½)
优异的“上电,掉电”噪声抑制
高达
85%的效率
过流保护、过热保护、欠压保护
eSOP8
封装
2
说明
NS4159
是一款
AB/D
类工½模式可切换,带防
失真功½,超½
EMI,无需滤波器,5W
高效率的单
声道音频功放。AB/D 类工½模式可通过一个控制管
脚高½电平切换,以匹配不同的应用环境。其独特
的防失真功½可以有效防止输入信号过½½、电池电压
下降导致的输出信号失真,同时可以有效保护在大功
率输出时扬声器不被损坏
实际应用可以通过½件一
3
应用范围
蓝牙音响
扩音器
其他便携音响
线脉冲设½放大器工½在防失真模式和普通模式。
即½在
D
类工½模式下,NS4159 采用先进的技术,
在 全 带 ½ 范 围 内 极 大 地 降 ½ 了
EMI
干扰,最大限度地减少对其他部件的½响。其
输出无需滤波器的
PWM
调制结构及反馈电阻内
½方式减少了外部元件、PCB 面积和系统成本。
NS4159 在 5V 的工½电压时,½够向 2Ω负½½提供高
达 5.5W 的输出功率。
NS4159
内½过流保护、过热保护及欠压保护功
½,有效地保护芯片在异常工½状况下不被损坏。
并且利用扩频技术充分优化全新电路设计,85%以上
的效率更加适合½电压,高功率输出的音频系统。
NS4159
提供
eSOP8
封装,额定的工½温度范
围为-40℃至
85℃。
4
应用电路
1
2018 Copyright © Nsiway Technology
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