Active Part Numbers:
HFC0500GS-P HFC0500GS-Z HFC0500GS
Meaning of P & Z
45W USB-C POWER ADAPTER WITH CYPRESS CCG3PA
This 45W Notebook Power Adapter Board is a receptacle based Type-C power adapter. The major components in this design are Cypress’s EZ-PD CCG3PA (CYPD3174-16SXQ) controller and Monolithic Power System's Fixed Frequency Flyback controller (HF0500) and Synchronous Rectification Controller (MP6907) The MPS components on these reference designs are carefully selected to meet price and perfo...
Barcode scanners have long been an integral part of retail and logistics system needs, but growing consumer expectations for short checkout, ordering, and delivery times have made they more ubiquitous and crucial than ever. From checkout lines to warehouse order fulfillment, these devices are expected to be fast, connected, and highly secure with convenient user interfaces and high efficiency.Our ...
POWERING 5G: PFC + LLC POWER SUPPLY SOLUTION
The development of 5G networks brings new and exciting challenges for the powering of base stations. The MPS solution for powering 5G combines high power and high efficiency within a 1U-sized rack mount casing. It is made up of two core blocks: a totem-pole topology power factor correction (PFC) stage, and a resonant LLC DC/DC converter that ensures stable and efficient power delivery to the outpu...
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART III)
This is the final part of a three-part series discussing measurement methods for high-frequency, common-mode (CM) current, voltage, and impedance using a flyback converter. Part I covered the basic principles of radiated EMI and the traditional method for measuring CM current in a flyback converter topology. Part II explored a ferrite bead solution for CM current measurement errors and how to obta...
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART II)
This is the second part of a three-part series discussing measurement methods for high-frequency, common-mode (CM) current, voltage, and impedance using a flyback converter. Part I covered the basics of radiated EMI and the traditional method for measuring CM current in a flyback converter topology. Part II will propose a solution to common errors when measuring CM current, and then it will demons...
TRANSFORMING THE LOW-CARBON ERA WITH MPS'S AC/DC POWER SOLUTIONS (PART I)
The low-carbon era is leading the development trend for smaller and highly efficient chips. First, switching power supplies replaced linear power supplies in the 1980s; now, the efficiency of power supplies has significantly improved while the overall solution size has been reduced. When considering consumer requirements for portability, switching power supplies continue to become more and more ad...
TRANSFORMING THE LOW-CARBON ERA WITH MPS'S AC/DC POWER SOLUTIONS (PART II)
To meet the increasingly stringent requirements for environmentally friendly solutions, MPS’s AC/DC power supply products utilize advanced technologies to enhance performance and achieve energy conservation. This article is the second in a two-part series to discuss trend-setting AC/DC solutions. Part I served as an introduction for the carbon-free era and the problems that designers face with tr...
ELEVATING HIGH-DENSITY ADAPTER DESIGNS WITH INTEGRATED CAPACITIVE ISOLATION
The demand for fast charging has driven the unprecedented evolution of high-density adapters. In practical adapter designs, there are countless implementations of new switching power devices, topologies, and control schemes. With the introduction of these cutting-edge technologies, the power density of adapter products has significantly increased. 1W/cm3 is becoming the common density for high-de...
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART I)
To obtain an accurate EMI analysis when modeling power electronics, it is crucial to measure the impedance on the noise source and propagation path. For radiated EMI, the corresponding frequency band is typically between 30MHz and 1GHz. Due to the high frequency, it can be difficult to measure parameters such as voltage, current, and impedance. This article is the first part of a three-part serie...
MPS DESIGN ASSISTANT TOOL
MPS is committed to providing users with a variety of simulation solutions, including SIMPLIS models, SPICE models, DC/DC converter design models, and Virtual Bench Pro. The easy-to-use Design Assistant is the most popular tool provided by MPS, and its demand continues to grow each year. Figure 1 shows the annual growth of how often our Design Assistant is requested and utilized. In partic...
CONTROLLING PRIMARY-SIDE RINGING
The flyback power supply is one of the most commonly used topologies. Typically, the transformer’s leakage inductance causes primary-side ringing, which generates voltage spikes that damage the MOSFET. It is essential to design the transformer and MOSFET components to control ringing. MPS has introduced an RCD clamp circuit design strategy to reduce leakage inductance. This circuit is described in...
HOW INTEGRATION IS ADVANCING INNOVATIONS IN POWER MANAGEMENT
As modern devices become smarter and more customizable, consumers are also demanding that they be smaller and more powerful. This has driven demand for technology that can manage thermals with ever-higher power densities as processing power increases. MPS is innovating and creating highly integrated converters and controllers with cutting-edge efficiency and power density. By integrating the entir...
DESIGNING AN ACTIVE-CLAMP FORWARD CONVERTER FOR POE-BT APPLICATIONS (PART II)
This article is the second part of a two-part series exploring how to design an active-clamp forward controller for PoE-bt applications. Part I covered PoE applications, as well as the basics for forward converter topologies and active clamps. Part II will review secondary-side synchronous rectification MOSFETs, secondary spike absorption circuits, and efficiency verification processes for PoE-bt ...
DESIGNING AN ACTIVE-CLAMP FORWARD CONVERTER FOR POE-BT APPLICATIONS (PART I)
When compared to traditional AC power supply modes, power over Ethernet (PoE) power supplies can simultaneously supply power and transmit data through an existing Ethernet cable. By integrating the power supply and data cables, PoE applications are cost-effective and provide flexible installation. PoE solutions are rapidly growing in popularity across multiple industries as applications continue t...
MPX2002: ALL-IN-ONE FLYBACK CONTROLLER WITH INTEGRATED PRIMARY-SIDE AND SECONDARY-SIDE CONTROL
The MPX2002 flyback controller incorporates a flyback driver circuit, a synchronous rectifier, safety-compliance isolated feedback, and a high-voltage reference in a single chip. It enables highly efficient power conversion and more reliable, efficient isolation in critical applications such as AC/DC adapters, offline battery chargers, and high-current power supplies. Features Reduces board sp...
PRIMARY-SIDE VS. SECONDARY-SIDE REGULATION
Flyback power converters are currently some of the most common converter topologies around. This is due to the simplicity of their design and the competitive size/cost/efficiency ratio their can deliver, especially in the mid-level power range (2W to 100W). Like any converter topology, a flyback converter is composed of a power path and a control path. The power path is responsible for the conver...
SMART PLUG REFERENCE DESIGN - MP161 NON-ISOLATED BUCK REGULATOR WITH ESP8266
Nowadays everything is connected. So why not also connect the wall plugs? MPS presents a reference design with the MP161 part that will allow customers to join the IoT market. This is a two boards product, one for the DC/DC converter and the relay and the other for the Wi-Fi module. The configuration is designed to fit into a wall-plug. IoT non-isolated designs This refer...
IMPROVING BATTERY SAFETY WITH THE MP2797
Modern life has become more convenient due to battery-powered applications for electric tools, vacuum cleaners, electric bikes, and outdoor power supplies for camping. As wireless charging continues to be more widely used in applications, lithium battery safety is a growing concern, so designers are looking to develop battery monitoring and protection solutions. A battery pack is made up of multi...
ZYNQ -7000 HIGH EFFICIENCY POWER REFERENCE DESIGN
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