UCC28070-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1, TA: –40°C to 125°C
- Device HBM ESD classification level 2
- Device CDM ESD classification level C4
- 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
- Programmable frequency (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 UCC28070-Q1 is an advanced power factor correction (PFC) controller that integrates two pulse-width modulators (PWMs) operating interleaved by 180° in CCM boost-mode. Derived from the UCC28070, this device can switch at frequencies from 30kHz up to 300kHz.
The 180° out-of-phase interleaved operation results in substantial reduction of high-frequency input and output ripple currents and conducted-EMI filtering becomes easier and less expensive.
The UCC28070-Q1 features 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.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | UCC28070-Q1 Interleaving Continuous Conduction Mode PFC Controller datasheet (Rev. B) | PDF | HTML | 2025/9/6 | ||
| 應用說明 | PFC Design Choice for On Board Charger Designs | 2018/5/24 | ||||
| Application brief | Reducing Switching Losses in On-Board Chargers for Electric Vehicles | 2018/3/27 | ||||
| 技術文章 | Hybrid electric vehicles and electric vehicles need different isolated DC/DCs to w | PDF | HTML | 2017/12/27 | |||
| 技術文章 | Are you on-board? Demystifying EV charging systems | PDF | HTML | 2017/7/31 | |||
| 應用說明 | UCC28070 Implement Bridgeless PFC Pre-Regulator Design | 2009/6/18 |
設計與開發
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UCC28070EVM — UCC28070 評估模組
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TSSOP (PW) | 20 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。