Abstract: Charge pumps are often the best choice for powering an application requiring a combination of low power and low cost. This article discusses the integrated charge pumps available in the mark ......
Abstract: This application note describes the use of current sense amplifiers, differential amplifiers and instrumentation amplifiers to measure battery charge and discharge currents in portable equip ......
Abstract: The MAX6652 temperature sensor combines voltage and overtemperature monitoring into a single integrated circuit. This device features an 8-bit analog-to-digital converter (ADC) for monitorin ......
Abstract: To ensure correct operation, most microprocessor-based systems require supervision during power-up and power-down, and when entering or exiting shutdown or sleep mode. The supervisor may onl ......
摘要：本文介绍的启动电路由微处理器(µP)监控电路MAX809L和电荷泵组成，用于监视升压转换器的输出电压。高效升压控制器MAX608用于提升输出电压，电荷泵电路受监控电路MAX809L控制，用于在输出电压达到其稳压值时连接满负荷 ......
介绍了一种基于MODBUS协议的低压开关柜智能监测系统：以工控机为主站，带协议接口的智能控制器和网络仪表为从站，使用MODBUS协议实现了计算机与现场智能仪表之间的数据传输。介绍了MODBUS通信协议的基本内容和格式，监控系统 ......
Abstract: This application note describes methods of protecting lower-voltage current sense amplifiers from high-voltage spikes and transients. Such conditions are frequently encountered in automotive ......
Abstract: Simple level shifting circuit using a precision op amp tracks small DC voltage changes. When we want to capture a low level, long duration signal riding on a much higher DC level, we need to ......
Abstract: This article demonstrates how to achieve current limit for the MAX1692 PWM step-down regulator by using a MAX4173H current-sense amplifier. Additional Information:
Quick View Data Sheet fo ......
Abstract: Using a preamp to increase the output magnitude of a J-type thermocoupler. The simple circuit provides compensation over temperature as well as calibration capability. The MAX430 is operated ......
1 引言
随着现代电力电子技术的不断进步和信息技术的发展，逆变电源越来越广泛的应用于通讯、航海、航空、医疗、军事等诸多领域，同时用户对逆变电源的性能也有了越来越高的要求。作为逆变电源的核心，逆变器的控制 ......
一个理想的IGBT驱动电路应具有以下基本性能：
(1)动态驱动能力强，能为IGBT栅极提供具有陡峭前后沿的驱动电压脉冲；
(2)IGBT导通后，栅极驱动电路提供给IGBT的驱动电压和电流要有足够的幅度，使IGBT的功率输出级总处 ......
Abstract: In its simplest form, the PC voltmeter consists of a 4-channel, 10-bit A/D converter (IC2) with a few passive components, connected to the PC printer port via a 25-pin male D-type connector. ......
Abstract: The MAX1253/54 and MAX1153/54 system monitors are a low cost solution for monitoring multiple temperatures in a system. This application note explains how to measure temperature using remote ......
Abstract: This application note introduces the DS1847 and DS1848, dual digital temperature-controlled variable resistors, to the industrial controls market. By temperature compensating the resistors, ......
Abstract: Integrating analog-to-digital converters (ADCs) provide high resolution analog-to-digital conversions, with good noise rejection. These ADCs are ideal for digitizing low bandwidth signals, a ......
