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STMicroelectronics STNRGPF12 | Demoboard STEVAL-IPFC12V1
2-channel interleaved PFC driver with embedded digital inrush current limiter function
Overview
| Topology | Power Factor Correction |
| Input voltage | 90-265 V |
| Output 1 | 400 V / 8.69 A |
| IC revision | Rev 1 |
Description
The STNRGPF12 digital controller is designed for interleaved PFC boost topologies and intended for use in high power applications.It features a digital inrush current control implemented with a solid state solution based on a silicon controlled rectifier. The controller can drive up to 2 interleaved channels.The device works in CCM at fixed frequency with average current mode control, in applications based on a mixed signal (analog/digital) architecture.The controller can be configured through a dedicated software tool (eDesignSuite) to match a wide range of specific applications. The tool generates a full schematic including a complete list of material and the final binary object code (FW) to be downloaded to the IC.
Features
- Digital inrush current limiter function
- Interleaved PFC digital controller
- Two interleaved channels PFC
- Continuous conduction mode
- Fixed frequency operation
Average current mode control
Mixed signal architecture
Soft start-up management
Burst mode support
Load feed forward
Input voltage feed forward
Channel current balance function
Programmable phase shedding
Status indicator signaling for cooling system, PFC Fault and PFC OK
Configurable driver by means of dedicated graphic tool
Programmable fast overcurrent and thermal protection
Serial communication port available for: Device programming;Monitoring of the PFC parametersSuitable for >600 W applications:Welding, air conditionerIndustrial motorsUPS, chargers, high power systemsCustomizable firmwareConfiguration via eDesign suiteEmbedded memoryProgram memory: 32 Kbytes flashData retention 15 years at 85 °C after 10 kcycles at 25 °CData memory: 1 Kbyte true data E2PROM; data retention: 15 years at 85 °C after 100 kcycles at 85 °CFlash and E2PROM with read while write (RWW) and error correction code (ECC)RAM: 6 KbytesCommunication interfacesUART asynchronous protocol for bootloader support and monitoring of the PFC parametersOperating temperature: -40 °C up to 105 °C
Typical applications
- 2 kW two-channel interleaved PFC power board, control board and adapter board
- air conditioner
- UPS, chargers, high power systems
- Welding / Industrial motors
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT,10%(A) | fres(MHz) | Version | Pins | G(mm) | Working Voltage(V (AC)) | Operating Temperature | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | IR(A) | L(µH) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 0.9 A, 1.1 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Saturation Current @ 10%0.9 A | Self Resonant Frequency1.1 MHz | VersionStandard | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | – | DC Resistance1.15 Ω | – | Rated Current0.8 A | Inductance1000 µH | – | – | – | Length10.5 mm | Width10.5 mm | Height14.5 mm | MountTHT | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | VersionSMT | – | – | – | Operating Temperature -55 °C up to +125 °C | Impedance @ 100 MHz120 Ω | Maximum Impedance200 Ω | Maximum Impedance510 MHz | Rated Current 21350 mA | DC Resistance0.3 Ω | TypeWide Band | Rated Current0.5 A | – | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | MountSMT | ||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | VersionTHT | Pins4 | Pin length5 mm | – | Operating Temperature -55 °C up to +125 °C | – | – | – | – | DC Resistance0.0042 Ω | – | Rated Current18 A | Inductance4500 µH | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length36 mm | Width23 mm | Height34 mm | MountTHT | ||||
 | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | Pins40 | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeAngled | Rated Current3 A | – | – | – | – | Length50.8 mm | – | – | MountTHT | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | Pins4 | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | Rated Current3 A | – | – | – | – | Length10.16 mm | – | – | MountTHT |