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PFC（力率改善）コントローラ

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STのPFC（力率改善）コントローラは、遷移モード（TM）と連続電流モード（CCM）で動作し、広範な電源の運用に適しています。CCMモードにおける高い電流性能と、遷移モードにおける低～中電力性能の両方を必要とするシステム向けに、STは特許を取得した独自ソリューションに基づく固定オフ･タイム（FOT）を提案しています。FOTは標準的な遷移モードPFCコントローラによる動作に簡単な変更と受動部品を加えたもので、少ないコストで実現します。

遷移モードPFCコントローラは全て、内部の総高調波歪率（THD）を大幅に減少させる内部乗算器を持っているため、高いSMPS効率によってEN61000-3-2やその他の省エネルギー規制に適合しています。

これらのデバイスには、SMPSの堅牢性を高め、小型化する先進的な保護機能が組み込まれているため、ほとんど外部部品を必要としません。また、保護機能には出力過電圧保護、電圧低下保護、フィードバック切断保護、およびブースト･インダクタ飽和保護が含まれます。

L6564HとL6563Hの高電圧起動機能は、補助電源を持たないシステムのSMPSスタンバイ効率を向上させます。

推奨製品

Configurable high-efficiency interleaved PFC digital controller

ST has extended its portfolio of digital controllers with the STNRGPF01, a three-channel interleaved CCM PFC controller. Ideal for high power applications (above 1 kW), it delivers the flexibility and high efficiency of digital power without the technical challenges and time to develop custom DSP code. It can be easily and quickly configured using ST’s eDesignSuite online design environment. Simply enter the converter specs and run the configurator to generate the schematic, BoM, and downloadable firmware to configure the IC.

Main characteristics

  • Up to 3-channel interleaved boost PFC
  • Configurable phase-shedding strategy to maintain high efficiency across all load conditions
  • Flexible frequency (up to 300 kHz) to control either an IGBT or MOSFET output stage
  • I2C and UART interfaces for monitoring and control
製品型番
概要
サプライヤ
Licence type
サポート機器

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

Choose design tool:
Power Management Design Center

Power Supply Design Tool

• SMPS design, by topology, by type and by product
• PFC design with analog and digitial control
• Supports various PCB configurations
Choose type:
DC/DC
AC/DC
太陽光発電システム
Power Management Design Center

LED Lighting Design Tool

• Handles AC-DC and DC-DC design in common topologies
• Displays interactive and annotated schematic
• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:
DC/DC
AC/DC
Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree
• Check for consistency
• Design each individual node
Choose design tool:
Thermal-electrical Simulators for Components

AC Switches Simulator

• Select ratings and application waveforms
• Get junction temperature and blocking voltage graphs
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

• Select ratings and application waveforms
• Estimate power losses
• Search and sort suitable devices
Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles
• Provides power loss and temperature graphs
• Helps define heatsink thermal properties
Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations
Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Choose design tool:
Signal Conditioning Design Tool

Active Filters

• Handles multi-stage-designs and common topologies
• Returns circuit component values
• Provides gain, phase and group delay graphs
• Low Pass, High Pass and Band Pass
Signal Conditioning Design Tool

Comparators

• Handles most common configurations
• Returns circuit components values
• Provides I/O signal waveforms
• Inverting, Non Inverting, Window
Signal Conditioning Design Tool

Low side Current Sensing

• Returns circuit component values
• Provides current error graphs
Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
Choose design tool:
NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties
• Get antenna impedance
NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics
• The tool returns link budget estimate
NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets
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