PMP23547
GaN-based 8kW three-phase totem-pole power factor correction and three-phase LLC reference design
PMP23547
概述
This reference design is a high-density and high-efficiency 8kW power supply. The first stage is a triangular conduction mode (TCM) power factor correction (PFC) converter followed by a delta-delta connected three-phase inductor-inductor-capacitor (LLC) converter. Both power stages are implemented with TI high-performance Gallium Nitride (GaN) power switches. The PFC uses a three-phase totem pole PFC in a zero-current detection (ZCD) based control mechanism. The control method operates with variable frequency and maintains zero voltage switching (ZVS) overall operating conditions. The control is implemented with a TMS320F280039C high performance microcontroller and the LMG3527R030 GaN field-effect transistor (FET) with integrated ZCD sensing. The operating frequency range of the converter is approximately between 70kHz and 1.2MHz. The LLC operates between 200kHz and 1.5MHz. The delta-delta resonant tank connection provides reduced root-mean-square (RMS) currents. Control is implemented with a TMS320F28P550SJ high-performance microcontroller. The LLC uses LMG3527R030 GaN FETs on the primary and LMG3100R017 GaN FETs on the secondary.
特性
- Peak efficiency at full load: 97.5%
- Dimensions: 700mm × 68.5mm × 32mm
| 输出电压选项 | PMP23547.1 | PMP23547.2 |
|---|---|---|
| Vin (Min) (V) | 180 | 440 |
| Vin (Max) (V) | 305 | 460 |
| Vout (Nom) (V) | 450 | 48 |
| Iout (Max) (A) | 18 | 170 |
| Output Power (W) | 8100 | 8160 |
| Isolated/Non-Isolated | Non-Isolated | Isolated |
| Input Type | AC | DC |
| Topology | Boost- PFC | Full Bridge- LLC |
我们开发的全面组装电路板仅用于测试和性能验证，不可用于销售。
设计文件和产品
设计文件
下载现成的系统文件，加快您的设计过程。
产品
在设计中包括 TI 产品和可能的替代产品。
TMS320F280039C — 具有 CLA、CLB、AES 和 CAN-FD 的 C2000™ 32 位 MCU 120MHz 384KB 闪存、FPU 和 TMU
数据表: PDF | HTMLTMS320F28P550SJ — 具有 1 个 C28x + 1 个 CLA、150MHz 频率、1.1MB 闪存、5 个 ADC、CLB、AES 和 NPU 的 C2000™ 32 位 MCU
数据表: PDF | HTML技术文档
| 类型 | 标题 | 下载最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| 测试报告 | GaN-Based 8kW 3-Phase Totem-Pole PFC and 3-Phase LLC Reference Design | PDF | HTML | 2025年 3月 10日 |