WMSIC Electronic Components

XBLW TDA2050A

ModelTDA2050A(XBLW)
PackageTO-220-5L
BrandXBLW
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XBLW TDA2050A(XBLW)
Type
XBLW
Minimum package
50 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
TDA2050A(XBLW)
Electronic Component
1
Package
TO-220-5L
Electronic Component
67%;65%
Electronic Component
Audio Power Amplifier
Electronic Component
2.623g
Electronic Component
1
Power Amplifier Type
AB Power Amplifier
Electronic Component
BM0265621911
Operating Temperature
20℃~+125℃
Operating Voltage
4.5V~25V
Output Power
32W
Static Current(Iq)
30mA
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

TDA2050A(XBLW)功率放大器产品概述

一、产品定位与品牌背景

TDA2050A是芯伯乐(XBLW)推出的AB类音频功率放大芯片,基于经典TDA2050架构优化,聚焦中功率音频系统的高性价比需求。芯伯乐作为国内专注功率半导体设计与制造的厂商,在音频功放领域积累了成熟的工艺与测试经验,该芯片兼顾性能、成本与可靠性,是传统进口同类产品的优质替代方案,广泛适配家用、车载、工业等场景。

二、核心性能参数深度解析

2.1 功率与电压适配

  • 输出功率:32W(4Ω负载、THD+N≤0.5%),满足桌面音响、车载喇叭等中功率场景;若搭配8Ω负载,功率约18W,适配不同阻抗需求。
  • 工作电压:双电源-4.5V25V(单电源等效9V50V),电压覆盖范围广,可兼容车载12V电源、家用双15V电源等多种设计。

2.2 失真与效率

  • THD+N:0.5%,在AB类功放中属于低失真水平,音频还原度较好,适合音乐播放、语音广播等对音质有要求的场景。
  • 效率:65%~67%,比传统AB类功放(通常50%左右)更高,减少满功率输出时的发热,降低散热成本。

2.3 静态与温宽

  • 静态电流:30mA,待机功耗低,适合对电源续航敏感的便携或车载设备。
  • 工作温度:-20℃~+125℃,宽温范围适配工业级(如工厂广播)、车载级(如车载功放)等场景,极端温度下性能稳定。

三、封装与引脚功能

TDA2050A采用TO-220-5L直插封装,引脚定义符合行业标准,具体功能如下:

  1. 引脚1:信号输入(非反相输入),外接音频信号源;
  2. 引脚2:反相输入/反馈,外接RC反馈网络(建议10kΩ电阻+100pF电容),稳定工作点;
  3. 引脚3:负电源(VEE),接双电源负极或单电源地;
  4. 引脚4:功率输出,接负载(喇叭)与电源地/负极;
  5. 引脚5:正电源(VCC),接双电源正极或单电源正端。

TO-220封装散热性能优异,可直接搭配小型散热片使用,适合手工焊接与批量生产。

四、典型应用场景

  1. 家用音频系统:桌面书架箱、小型组合音响,满足卧室、书房等场景的音乐播放;
  2. 车载音频改装:车载功放模块(适配12V电源),提升原车音响功率与音质;
  3. 小型舞台/会议音响:小型演出、会议室扩音,中功率输出满足多人听感;
  4. 工业音频设备:工厂广播、设备报警系统,宽温适配车间极端环境;
  5. DIY音频制作:音频爱好者改装音箱、制作功放板,易焊接、参数公开,便于调试。

五、应用设计注意事项

  1. 电源滤波:正负电源引脚需并联100nF陶瓷电容+100μF电解电容,滤除高频噪声与电源波动;
  2. 散热设计:满功率(32W)输出时,需搭配10cm²以上散热片(或带散热底座的TO-220封装),避免芯片过热损坏;
  3. 负载匹配:禁止负载阻抗小于4Ω(如2Ω),否则易导致过流保护或芯片烧毁;
  4. 反馈网络:必须外接RC反馈(引脚2到输出端),否则可能出现自激振荡;
  5. 静电防护:焊接时使用防静电烙铁,避免人体静电损坏芯片。

六、性价比与替代价值

XBLW TDA2050A相比进口同类芯片(如ST、NXP版本),价格降低20%~30%,性能参数(功率、失真、温宽)完全兼容,适合成本敏感的批量应用(如小家电厂商、车载配套商)。同时,芯伯乐提供完善的技术支持与样品测试服务,降低客户研发周期。

该芯片凭借宽电压、低失真、高性价比等优势,成为中功率音频系统的主流选择之一。

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