Controller-Power Management-7-EEWORLD

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Huawei's new breakthrough in solid-state batteries: sulfide electrolyte patent released to solve the problem of liquid battery attenuation

[Controller]Power system design optimization tips: Monolithic driver + MOSFET (DrMOS)
[Controller]Infineon launches EPR electronically marked cable assembly controller providing overvoltage protection up to 54 V for USB-C passive cables
[Controller]Dalian Pinjia Group launches BLDC frequency conversion control solution based on Infineon products
[Controller]Infineon Launches New Single-Stage Flyback Controller
[Controller]Why is current mode control important in switching regulators?
[Controller]High-Performance Single-Phase DC/DC Controller with Power System Management
[Controller]Which controller is better for AC/DC power supplies: discrete or combined?
[Controller]Infineon launches new TEGRION™ series of safety controllers

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Design and production of super flux RGB LED controller: Introduction What is used in this project? Super Flux RGBLEDs with common anode and a PIC18F25K20 to produce color combinations. It has two functional modes, automatic color sequence that is stored in the μC memory, and manual mode in which one of seven possible colors can be selected. Schematic Firmware......; Keywords： RGB LED Controller
Publish Time：2011-10-24

NCP1239 controller to solve switching power supply design: At first glance, NCP1239 is a 16-pin device, which may be complicated to use. In fact, this circuit has a lot of design flexibility and is a very good controller that can help you solve the design of switching power supplies. It has the ability to control the PFC front stage to shut down or work, making it very simple to control its work when you need PFC to work. More popular......; Keywords： Switching power supply controller NCP1239
Publish Time：2011-10-17

Research and development of solar power generation system control panels: 0 Introduction In recent years, as people pay more attention to environmental issues, the earth's demand for clean energy has become higher and higher. Our company has been committed to the research and development of power conditioning systems (PCS) for solar power generation. Combined with the research and development case of solar power generation system control panels, the system of multiple solar panels in parallel is studied......; Keywords： Solar power generation system control panel
Publish Time：2011-10-16

Solar Photovoltaic System Controller: Circuit features: 1. Battery overcharge and over discharge protection; 2. Automatic recovery discharge function; 3. Prevent battery and solar cell reverse connection function. Circuit parameters: 1. Maximum charging current (A): ≤5 2. Maximum discharge current (A): ≤5 3. Battery rated working voltage (V): 12 ......; Keywords： Solar energy Photovoltaic system Controller
Publish Time：2011-10-15

Design and application of PID speed control system for DC motor based on NiosⅡ: 0 Introduction The previous DC motor speed control system usually uses a single-chip microcomputer or DSP for control. However, the single-chip microcomputer requires a large number of peripheral circuits, and the system has poor scalability. If the controller is replaced, the entire software and hardware must be redesigned, and the reusability is not high. If DSP is used as the main controller, if the processing......; Keywords： NiosII DC motor PID speed control system
Publish Time：2011-10-15

Atmel Releases AES-128 AVR Microcontroller for Car Key Applications: Atmel® Corporation, a leading manufacturer of microcontrollers and touch solutions, announced the availability of the new ultra-low-power AVR® microcontroller (MCU) ATA5790N with AES-128 immobilizer protocol stack. The device integrates a low-frequency (LF) immobilizer (immobil ......; Keywords： Microcontroller Atmel Anti-theft Device
Publish Time：2011-10-13

Cypress's New CapSense® Express™ Solution: October 11, 2011, Beijing, San Jose, California - Cypress Semiconductor Corporation (NASDAQ: CY), a market leader in touch sensing, has announced the launch of the new CY8CMBR2016 device, which helps designers implement capacitive matrix key systems with up to 4 x 4 buttons without programming......; Keywords： Cypress CY8CMBR2016 controller
Publish Time：2011-10-11

Design of stepper motor controller based on DSP: DSP (Digital Signal Processor) is a microprocessor that is particularly suitable for digital signal processing operations. It adopts advanced software and hardware structures. Its internal program space and data space are separated, and it can access instructions and data at the same time. It also has event module management functions and fast interrupt processing functions. It is characterized by high......; Keywords： Motor drive photoelectric encoder LCD display
Publish Time：2011-10-10

Design of dimming ballast for energy-saving lamp based on controller IRS2530D: 　　IntroductionAt present, electronic energy-saving lamps have entered thousands of households and buildings. Most of the electronic ballasts in domestic electronic energy-saving lamps are assembled with discrete components. The advantages are simple circuits and low costs, but they require a magnetic ring drive transformer and do not have preheating and dimming functions. Therefore, the performance is poor, the reliability is poor, and the capacity is......; Keywords： Dimming ballast crest factor charge pump
Publish Time：2011-10-10

Principle and test of new CCM PFC controller: 1. Introduction Traditional diode rectifiers used in the front end of electronic equipment cause pulse current in the power line, interfere with the grid line voltage, generate electromagnetic interference that radiates to the surroundings and propagates along the wire, and reduce the efficiency of power supply. In recent years, in order to meet the harmonic standards of the International Electrotechnical Commission 61000-3-2, active PF ......; Keywords： PFC Controller
Publish Time：2011-09-15

Research and development of motion controller based on DSP: 1 Motion controller hardware structure The hardware structure of this motion controller is mainly divided into the following modules: DSP+CPLD main control module, including DSP core module and CPLD driver and expansion module; communication interface module, including PCI bus, USB bus and serial port; I/O input and output interface module and peripheral memory module......; Keywords： Motion Controllers
Publish Time：2011-09-15

Battery Powered LED Controller Circuit Introduction: The LED can be turned off by using the shutdown control pin of MAX684 or the enable control pin of MAX1916. For white LEDs with a forward voltage of 3.5 to 4.2V (at 20mA), a boost converter is usually required. A charge pump (such as MAX682 to MAX684) and MAX1916 can be used together to form a drive circuit for this type of LED, as shown in Figure 1. ......; Keywords： Battery powered LED controller
Publish Time：2011-09-15

Energy-efficient microcontroller design extends battery life: When designing a battery-powered product, one obviously wants the battery life to be as long as possible. Energy-sensitive product applications can be broadly divided into energy metering systems, home and building automation, security, and medical systems (Figure 1). These products are typically built around a microcontroller (MCU) and must operate for a long time on a single primary battery. In some......; Keywords： Energy-saving microcontroller battery life
Publish Time：2011-09-15

How to Design with a Constant On-Time Controller: Q1: I need Vcc1=-4; Vcc2=12; Vcc3=3.3; Vcc4=5, which are powered in sequence. All of them need to be powered by 5V, 3A power supply, using dcdc conversion. How to implement this solution? What are the advantages of fixed on-time and software-set time? A1: This problem requires a multi-channel output switching power supply, and a 4-channel output switching power supply is required....; Keywords： Fixed on-time controller
Publish Time：2011-08-27

Improve the performance of traditional PFC controller using simple circuit: 　　PFC offline power converter systems are usually designed as a two-stage cascade. The first stage is a boost converter because this topology has continuous input current (current waveform control is possible by using a multiplier) and average current mode control that can achieve near unity power factor. However, the boost converter requires......; Keywords： PFC controller topology
Publish Time：2011-08-23

Calculation method of short-circuit protection time of electric vehicle controller: Topic content: Working model of short-circuit of brushless motor controller for electric vehicles Working state of MOSFET in controller during short-circuit Calculation formula of transient temperature rise of MOSFET Principles for setting short-circuit protection time Solution: Temperature rise formula: Tj = Tc + P × Rth(jc) Determine the allowable short-circuit time according to the thermal resistance coefficient of a single pulse......; Keywords： Short circuit protection thermal resistance supply voltage
Publish Time：2011-08-21

Design of solar charge controller based on UC3906: At present, photovoltaic power generation devices often have unreasonable charging and discharging, resulting in many controller failures, short battery life, and troublesome maintenance, which affects their normal use. Therefore, it is necessary to design a solar charging controller with simple structure and excellent performance. 1 Photovoltaic power generation charging control system Photovoltaic power generation charging control......; Keywords： UC3906 Solar Charge Controller
Publish Time：2011-08-20

High current output circuit solution based on boost DC/DC controller design: In recent years, the communication industry has developed rapidly. With the widespread application of high-tech, mobile communication technology has also accelerated its pace, and higher requirements have been placed on the power supply of vehicle-mounted equipment. There is an urgent need for a power supply that can convert the 12V voltage of the car battery into 16V, 18.5V, 24V and other multi-channel outputs, and the current of each output must reach 7A. By......; Keywords： DC/DC FET switching frequency step-up
Publish Time：2011-08-18

Design of a solar charging controller: 　　At present, photovoltaic power generation devices have been widely used in remote areas of communication, transportation, electricity and farming and pastoral areas. However, due to unreasonable charging and discharging, there are often many controller failures, short battery life and troublesome maintenance, which affect their normal use. Therefore, it is necessary to design a solar charger with simple structure and excellent performance......; Keywords： controller charging solar
Publish Time：2011-08-18

Optocoupler-free flyback DC/DC controller benefits video security: 　　Background Even before the threat of terrorism became a major concern, many public and private organizations had already begun installing video security systems in their critical infrastructure. Video security provides the ability to improve situational awareness, prevent vandalism, theft or other crimes, speed up response and management decision-making, and......; Keywords： Video security PoE LT3748 transformer
Publish Time：2011-08-08

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