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The STNRG011 embodies a multi-mode (transition-mode and DCM) PFC controller, a high-voltage double-ended controller for the LLC resonant half-bridge, an 800 V-rated startup generator and a sophisticated digital engine, that manage optimal operation of three blocks.
The device comes in a 20-pin SO package and offers an advanced solution for power-factor-corrected high-efficiency converters supposed to comply with the most stringent energy saving regulations.
The power system and the control algorithms are managed by an 8-bit core with dedicated fast peripherals (SMED). Optimized digital algorithms together with HW analog IPs are implemented to guarantee a very high performance, BOM optimization and robustness.
The digital algorithms are stored into an internal ROM memory and all key application parameters can be stored into a device's NVM (non-volatile memory) memory during the production phase allowing wide configurability and calibration.
The device can also externally communicate through a 2-pin UART, allowing the monitoring function, the black box storing into an external E2PROMand the software patch upload from the external E2PROM.Key Features
- Digital combo multi-mode PFC + time-shift LLC resonant half-bridge controller
- Onboard 800 V startup circuit, line sense and X-cap discharge compliant with IEC 62368-1, for reduced standby power
- Enhanced fixed on time multi-mode TM PFC controller with input voltage feedforward, THD optimizer and frequency limitation
- Complete set of PFC protections
- Time-shift control of resonant half-bridge
- Enhanced burst-mode at light load with fast transient response and line adaptive half-bridge brown-out protection
- Complete set of half-bridge protections
- Available in SO20 package
Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| STNRG011TR | SO-20 | Tape And Reel | Active | 1.42 | 1000 | 3A991A2 | MALAYSIA | Check Availability | Buy now |
| STNRG011 | SO-20 | Tube | Active | 1.42 | 1000 | 3A991A2 | MALAYSIA | No availability of distributors reported, please contact our sales office |
STNRG011
Package
SO-20Packing Type
TubeUnit Price (US$)
1.42*(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
Featured Videos
Embedded Software
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Picture Part number Manufacturer Description 
STSW-STNRG011GUI ST Graphical user interface for the STEVAL-PCC020V1 USB to I²C/UART interface board for STNRG011 Part NumberGraphical user interface for the STEVAL-PCC020V1 USB to I²C/UART interface board for STNRG011
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Evaluation Tools
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Picture Part number Manufacturer Description EVLSTNRG011-150 ST 12 V, 150 W power supply based on STNRG011 digital combo and SRK2001 adaptive synchronous rectifier controller 
STEVAL-PCC020V1 ST STEVAL-PCC020V1 USB to I2C/UART bridge evaluation board for HVDPS STNRG011 Part Number12 V, 150 W power supply based on STNRG011 digital combo and SRK2001 adaptive synchronous rectifier controller
STEVAL-PCC020V1 USB to I2C/UART bridge evaluation board for HVDPS STNRG011
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STNRG011 | Active | SO-20 | Industrial | Ecopack2 | |
| STNRG011TR | Active | SO-20 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
