PMP23598
75-W synchronous forward converter reference design for space applications
PMP23598
概述
This reference design uses a rad-tolerant TPS7H5020-SEP pulse-width modulation (PWM) controller and rad-tolerant TPS7H6005-SEP 200V GaN half-bridge gate-driver to create a high efficiency synchronous forward topology. To have an accurate, direct sense of the output voltage and achieve a high loop bandwidth, the PWM controller is placed on the secondary side. The capacitively isolated TX and RX level shifters that are within the half-bridge gate- driver, transfer the PWM waveform from secondary to primary while maintaining electrical isolation.
特性
- Over 90% efficiency at mid and full load operation
- 200V galvanic isolation through half-bridge gate-driver
- 55mm × 45mm design size, two-layer PCB
- GaN FETs and synchronous rectification
- Plastic pin-to-pin population options for rad-tolerant or rad-hard configurations
- Rad-tolerant (TID 50krad, SEE immune to 43MeV×cm2 /mg: TPS7H5020-SEP and TPS7H6005-SEP)
- Rad-hard (TID 100krad, SEE immune to 75MeV×cm2 /mg: TPS7H5020-SP and TPS7H6005-SP)
| 输出电压选项 | PMP23598.1 |
|---|---|
| 输入电压（最小值）(V) | 24 |
| 输入电压（最大值）(V) | 36 |
| 输出电压（标称值）(V) | 5 |
| Iout（最大值）(A) | 15 |
| 输出功率 (W) | 75 |
| 隔离/非隔离 | Isolated |
| 输入类型 | DC |
| 拓扑 | Forward- Synchronous |
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。
交流/直流和直流/直流控制器（外部 FET）
TPS7H5020-SEP — Radiation-tolerant 100% duty cycle PWM controller for driving MOSFET or GaN FETs
交流/直流和直流/直流控制器（外部 FET）
TPS7H5020-SP — 用于驱动 MOSFET 或 GaN FET 的耐辐射 QMLP 100% 占空比 PWM 控制器
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| 类型 | 标题 | 下载最新的英语版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 测试报告 | 75W Synchronous Forward Converter Reference Design for Space Applications | PDF | HTML | 2025-12-11 |