Peak current-mode controlled phase-shifted full-bridge reference design using C2000™ real-time MCU
TIDM-02000
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Key Document
Description
This design implements a digitally peak current mode controlled (PCMC) phase shifted full bridge (PSFB) DC-DC converter which converts a 400-V DC input to a regulated 12-V DC output. Novel PCMC waveform generation based on type-4 PWM and internal slope compensation, and simple PCMC implementation are the highlights of this design. A TMS320F280049C MCU from the C2000 real-time microcontroller family is used.
Features
- Peak current mode control (PCMC) with no external support circuitry for PCMC function
- Zero-voltage switching (ZVS) or low-voltage switching (LVS)
- Multiple synchronous rectification (SR) switching schemes
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Schematic/Block Diagram
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Design Guide
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TI Devices (10)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| DCH010505S |
Miniature, 1W, 3kVDC Isolated DC/DC Converters |
Offline & isolated DC/DC controllers & converters |
Sample & Buy |
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| ISO1050 |
Isolated 5-V CAN transceiver |
Isolated interface ICs |
Sample & Buy |
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| ISO7240C |
Quad-channel, 4/0, 25-Mbps digital isolator |
Isolation |
Sample & Buy |
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| ISO7242C |
Quad-channel, 2/2, 25-Mbps digital isolator |
Isolation |
Sample & Buy |
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| OPA345 |
Single 3MHz, single-supply, rail-to-rail operational amplifiers MicroAmplifier™ series |
Operational amplifiers (op amps) |
Sample & Buy |
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| PTH08080W |
2.25 A, 4.5-V to 18-V Input Wide Adjust Miniature Power Module |
Step-down (buck) regulators |
Sample & Buy |
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| SN74LVC2G74 |
Single Positive-Edge-Triggered D-Type Flip-Flop with Clear and Preset |
Flip-flop/latch/register |
Sample & Buy |
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| TMS320F280049C |
C2000™ 32-bit MCU with 100 MHz, FPU, TMU, 256 KB Flash, CLA, InstaSPIN-FOC, CLB, PGAs, SDFM |
Microcontrollers (MCUs) |
Sample & Buy |
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| TPS730 |
200-mA, low-dropout voltage regulator with enable |
Power management |
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| TPS795 |
500-mA, low-dropout voltage regulator with enable |
Power management |
Sample & Buy |
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CAD/CAE symbols
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Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at https://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical documentation
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Datasheet (1)
| Title | Type | Size (KB) | Date |
| | PDF | 4167 |
29 Apr 2020
|
User guide (1)
| Title | Type | Size (KB) | Date |
| | PDF | 2523 |
19 Oct 2020
|
Design files (6)
| | ZIP | 1849 |
18 Oct 2020
|
| | ZIP | 356 |
18 Oct 2020
|
| | PDF | 13273 |
18 Oct 2020
|
| | ZIP | 322 |
18 Oct 2020
|
| | PDF | 473 |
18 Oct 2020
|
| | PDF | 361 |
18 Oct 2020
|
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