HFC0511
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Description
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Features & Benefits
- Fixed-Frequency, Current-Mode Control with Internal Slope Compensation
- Frequency Foldback down to 27kHz at Light Load
- Burst Mode for Low Standby Power Consumption, Meeting EuP Lot 6
- Frequency Jitter to Reduce EMI Signature
- X-Cap Discharge Function
- Adjustable Over-Power Compensation
- Internal High-Voltage Current Source
- VCC Under-Voltage Lockout (UVLO) with Hysteresis
- Brown-Out Protection on HV
- Overload Protection with Programmable Delay
- Thermal Shutdown (Auto-Restart with Hysteresis)
- Latch-Off for External Over-Voltage Protection (OVP) and Over-Temperature Protection (OTP) on TIMER
- Latch-Off for VCC Over-Voltage Protection (OVP)
- Short-Circuit Protection (SCP)
- Programmable Soft Start (SS)
- Available in a SOIC8-7A Package

Active Part Numbers:
HFC0511GS-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
HFC0511 Resources
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APPLICATION
MOBILE WALL CHARGERSAPPLICATIONMobile devices are one of todays largest technology markets, and mobile wall chargers are a key accessory to keep those devices running. It is crucial that these chargers offer not only the fastest available safe charging rates, but also accurately sense and respond to battery charge information to protect the device battery from damage. The combination of consumer expectations and increased power...
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APPLICATION
OVENSAPPLICATIONOvens are a key household appliance, and one which consumers expect to be reliable, effective, convenient, and energy efficient. The rise of smart homes has added a new layer of design requirements to new generations of ovens, including durable and intuitive user interfaces, wireless connectivity, smart sensing, and predictive maintenance. IoT capabilities can help keep up with growing consumer ex...
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APPLICATION
USB WALL POWER OUTLETSAPPLICATIONUSB wall power outlets are becoming an increasingly common feature in smart homes and buildings. Being able to directly plug USB charging cables into wall outlets provides consumers with convenience and the ability to charge and power devices quickly. However, because this is a more direct form of power delivery, it is even more crucial that the power supply be reliable and safe, with the best pos...
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VIDEO
POWERING 5G: PFC + LLC POWER SUPPLY SOLUTIONVIDEOThe 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...
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ARTICLE
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART III)ARTICLEThis 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...
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ARTICLE
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART II)ARTICLEThis 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...
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ARTICLE
TRANSFORMING THE LOW-CARBON ERA WITH MPS'S AC/DC POWER SOLUTIONS (PART I)ARTICLEThe 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...
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ARTICLE
TRANSFORMING THE LOW-CARBON ERA WITH MPS'S AC/DC POWER SOLUTIONS (PART II)ARTICLETo 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...
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ARTICLE
ELEVATING HIGH-DENSITY ADAPTER DESIGNS WITH INTEGRATED CAPACITIVE ISOLATIONARTICLEThe 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...
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ARTICLE
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART I)ARTICLETo 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...
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ARTICLE
MPS DESIGN ASSISTANT TOOLARTICLEMPS 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...
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ARTICLE
CONTROLLING PRIMARY-SIDE RINGINGARTICLEThe 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...
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ARTICLE
HOW INTEGRATION IS ADVANCING INNOVATIONS IN POWER MANAGEMENTARTICLEAs 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...
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ARTICLE
DESIGNING AN ACTIVE-CLAMP FORWARD CONVERTER FOR POE-BT APPLICATIONS (PART II)ARTICLEThis 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 ...
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ARTICLE
DESIGNING AN ACTIVE-CLAMP FORWARD CONVERTER FOR POE-BT APPLICATIONS (PART I)ARTICLEWhen 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...
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VIDEO
MPX2002: ALL-IN-ONE FLYBACK CONTROLLER WITH INTEGRATED PRIMARY-SIDE AND SECONDARY-SIDE CONTROLVIDEOThe 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...
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ARTICLE
PRIMARY-SIDE VS. SECONDARY-SIDE REGULATIONARTICLEFlyback 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...
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REFERENCE DESIGN
45W USB-C POWER ADAPTER WITH CYPRESS CCG3PAREFERENCE DESIGNThis 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...
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REFERENCE DESIGN
SMART PLUG REFERENCE DESIGN - MP161 NON-ISOLATED BUCK REGULATOR WITH ESP8266REFERENCE DESIGNNowadays 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...
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VIDEO
MULTI-MODE PFC AND CURRENT MODE LLC 2-IN-1 CONTROLLER: HR1211VIDEOThe HR1211 is a multi-mode PFC and current mode LLC 2-in-1 controller with full digital control via a UART interface. This controller achieves optimized efficiency across the full operating range via three operation modes, implemented based on the different load conditions. Applications include desktop PCs and ATX power supplies, all-in-one and gaming power supplies, notebook adapters, power tool ...
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ARTICLE
POWER SUPPLY DESIGN FOR CAR INFOTAINMENT SYSTEMS (PART II)ARTICLEThis article is the second part of a two-part series covering power supply design for car infotainment systems. Part I discussed the performance requirements for primary and secondary power supplies in car infotainment systems. Part II addresses challenges regarding camera power supplies and USB charging in car infotainment systems. Figure 1 shows the car machine’s power architecture, including t...
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ARTICLE
POWER SUPPLY DESIGN FOR CAR INFOTAINMENT SYSTEMS (PART I)ARTICLEA car’s infotainment system is an on-board, integrated information processing system based on the car’s bus body and internet. Vehicles have become more integrated and modular as consumers continue to raise expectations for driving, car information resources, entertainment, and safety. This trend has introduced new challenges to the research and development of car infotainment systems, particularl...
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ARTICLE
DESIGNING A BRUSHLESS MOTOR DRIVER CIRCUIT WITH THE MP6540ARTICLEMPS recently released an integrated, compact gate driver circuit with six power MOSFETs. This article discusses the MP6540 series, including the MP6540A, MP6540H, and the MP6540HA. The MP6540 is a 3-phase, brushless DC (BLDC) motor driver that integrates three half-bridges consisting of six N-channel power MOSFETs. Conventional motor driver architecture combines a motor driver chip and the power ...
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VIDEO
CURRENT SENSORS FOR HIGH-CURRENT MONITORING AND HIGH ISOLATION APPLICATIONSVIDEOMPS’s MCS18xx current sensor series offers a tiny, single-IC solution that is ideal for applications requiring the combination of high-current monitoring and high isolation voltage between the high-current primary-side and the low-voltage side. These applications include phase inverters, solar panels, uninterruptable power supplies, appliances and white goods, AC/DC power supply control, and more....
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REFERENCE DESIGN
ARTIX ULTRASCALE+ AU10P/15P MINIMUM RAILS – HIGHEST POWER REFERENCE DESIGNREFERENCE DESIGN
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