UCC28070
- Interleaved average current-mode PWM control with inherent current matching
- Advanced current-synthesizer current sensing for superior efficiency
- Synchronization capability to external clock
- Highly-linear multiplier output with internal quantized voltage feed-forward for near-unity PF
- Enhanced transient response through slew-rate correction of voltage amplifier output current
- Extended-range programmable frequency
- UCC28070A: 10kHz to 300kHz
- UCC28070: 30kHz to 300kHz
- Programmable maximum duty-cycle clamp
- Programmable frequency-dithering rate and magnitude (up to 30kHz) for EMI reduction
- Programmable soft-start
- Programmable peak current limiting
- External PFC-disable interface
- Protections: bias-supply UVLO, output overvoltage, open‑loop detection, open-circuit detection on VSENSE and VINAC, and PFC-enable monitoring
The UCC28070A and UCC28070 are advanced power factor correction (PFC) controllers that each integrate two pulse-width modulators (PWMs) operating interleaved by 180° in CCM boost-mode. Both devices can switch at frequencies up to 300kHz, while the UCC28070A device is capable of operating down to 10kHz for IGBT power-switch based PFC converters in high-power applications. The minimum operating frequency of the UCC28070 device is limited to 30kHz.
The 180° out-of-phase interleaved operation generates substantial reduction in input and output ripple currents and conducted-EMI filtering becomes easier and less expensive. All the other features and benefits of the UCC28070A and UCC28070 devices are the same.
Both devices feature multiple innovations including current synthesis and quantized voltage feedforward to promote performance enhancements in PF, efficiency, THD, and transient response. In addition, frequency dithering, clock synchronization, and slew-rate enhancement further expand the potential for performance improvements. Also, protection features include output overvoltage detection, programmable peak-current limit, undervoltage lockout, and open-loop protection.
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技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | UCC28070 and UCC28070A Extended Frequency Range (10kHz to 300kHz), Interleaving Continuous Conduction Mode PFC Controller 数据表 (Rev. C) | PDF | HTML | 2025年 7月 28日 | ||
应用手册 | UCC2806x PCB Layout Guideline for PFC | 2019年 4月 29日 | ||||
选择指南 | 电源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
选择指南 | 电源管理指南 2018 (Rev. R) | 2018年 6月 25日 | ||||
技术文章 | Are you on-board? Demystifying EV charging systems | PDF | HTML | 2017年 7月 31日 | |||
技术文章 | Is PFC possible without input voltage sensing? | PDF | HTML | 2016年 9月 14日 | |||
技术文章 | Staying cool, efficiently | PDF | HTML | 2016年 8月 22日 | |||
白皮书 | An Interleaved PFC Preregulator for High-Power Converters | 2015年 4月 28日 | ||||
更多文献资料 | Design Review of a Full-Featured 350-W Offline Power Converter | 2013年 10月 29日 | ||||
应用手册 | UCC28070 300W Interleaved PFC Pre-regulator Design Review (Rev. B) | 2010年 7月 8日 | ||||
应用手册 | UCC28070 Implement Bridgeless PFC Pre-Regulator Design | 2009年 6月 18日 | ||||
用户指南 | UCC28070, 300-W Interleaved PFC Pre-Regulator (Rev. B) | 2009年 5月 12日 |
设计和开发
如需其他信息或资源,请点击以下任一标题进入详情页面查看(如有)。
UCC28070EVM — UCC28070 评估模块
UCC28070 TINA-TI Start-up Simulation Using Average Model
PMP40261 — 800W 高效无桥功率因数校正 (PFC) 参考设计
封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
SOIC (DW) | 20 | Ultra Librarian |
TSSOP (PW) | 20 | Ultra Librarian |
订购和质量
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
- 制造厂地点
- 封装厂地点