CST118S is widely used in a wireless charging mobile toothbrush scheme

CST118S is widely used in a wireless charging mobile toothbrush scheme

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Comparison test between CST8002D and HAA8002D

测试条件：供电电压5V 负载阻抗4欧姆 采用同一测试PCB板测试 测试设备：音频分析仪ATS-2 直流稳压源PS305 水泥电阻4欧 万用表 示波器 测试人员：张志明 5V下万用...

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3 types of frequently asked questions about charging wearable products

当设计可穿戴式应用时，我们已发现了一些与充电器相关的常见问题。在这里，让我们看一些最常被咨询的问题。 问：哪种线性充电器最适合我的应用？ 答：当为特定应用选择合适...

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Application circuit diagram and pin function analysis of 8002B power amplifier

本文主要是关于8002b功放的相关介绍，并着重对8002b功放的应用电路图及引脚进行了详尽的阐述。 8002B功放 8002B将会进入关断模式，此时的功耗极低，IQ仅为0.6uA。  8002/8...

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Causes of EMI in class D audio power amplifier IC and PCB layout design reduce t...

由于在效率上相对于AB类放大器的巨大优势，D类放大器的应用越来越广泛。根据市场调研机构 Gartner的报告，D类放大器在2006年至2011年之间的复合年成长率将达15.6%，从3.34...

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Class D power amplifier IC board layout guide

如果没有遵循一些基本的布局指南，PCB设计将会限制D类放大器的性能或降低其可靠性。下面描述了D类放大器一些好的PC板布局实践经验。采用带有两个BTL输出的STA517B(每通道1...

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4890 and 4150，8302 dual layout application reference

4890和4150,8302双layout应用参考 4890产品有NS4890和XS4890，LM4890 4150产品有XS4150，NS4250，XS8302，CS8302

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How to select a cost-effective motor drive IC chip

如何选型到高性价比的马达驱动IC芯片（Motor drive）？为了让马达实现正反转，此时需要为马达选择适合的马达驱动芯片，主要需要考虑得关键点有以下几个： 1、产品所用到的...

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Recommended selection of built-in boost audio power amplifier IC

In view of the fact that most Bluetooth portable speakers are powered by a single lithium battery, it is difficult to substantially improve the output power of ...

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Wireless charging of electric toothbrush has six advantages

The intelligent electric toothbrush has a wireless charging and automatic rotating brush head, which is in line with the overall design of ergonomics. Coupled w...

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What is the PD protocol fast charging, one minute to understand

Speaking of the fast charging protocol, you may be familiar with Qualcomm‘s QC fast charging. As for the usb-pd (full name "USB power delivery") fast charg...

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Typical example of single chip microcomputer: how to control LED lamp with PWM p...

　我们知道 51单片机本身是没有pwm接口的，这个程序是通过软件模拟pwm.在一定的频率的方波中，调整高电平和低电平的占空比，即可实现LED灯亮度控制。 要用51产生PWM去...

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Application of MCU touch key

Application of MCU touch key Touch buttons are commonly used in household appliances, toys and small household appliances. They have the advantages of long serv...

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5V input class AB / class D can be switched to chips of the same type without bo...

5V input class AB / class D can be switched to chips of the same type without boost

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Single charge pump boost mono power amplifier ht8310 / ant8811b / ltk5311 test

Single charge pump boost mono power amplifier ht8310 / ant8811b / ltk5311 test

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Structure of speaker and function of its components

Structure of speaker and function of its components

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Principle and characteristics of class D audio power amplifier IC

Principle and characteristics of class D audio power amplifier IC

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Understand the difference between PD protocol and QC protocol

Understand the difference between PD protocol and QC protocol

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One minute to understand what is USB PD fast charging protocol IC

One minute to understand what is USB PD fast charging protocol IC

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Understand the difference between PD protocol and type-c

Understand the difference between PD protocol and type-c

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