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PFC Controller
The TEA19162HT and TEA19161T are a combined controller (combo) ICs for resonant topologies including PFC. They provide high-efficiency at all power levels. Together with the TEA1995T dual LLC resonant SR controller, a cost-effective resonant power supply can be built. This power supply meets the efficiency regulations of Energy Star, the Department of Energy (DoE), the Eco-design Directive of the European Union, the European Code of Conduct, and other guidelines.
The TEA19162HT is a Power Factor Correction (PFC) controller. The IC communicates with theTEA19161T on start-up sequence and protections. It also enables a fast latch reset mechanism. To maximize the overall system efficiency, the TEA19161T allows setting the TEA19162HT PFC to burst mode at a low output power level.
The TEA19162HT/2 is recommended for applications that require high-power factor performance, like energy star 80+ gold, platinum or titanium.
製品詳細
Features
Distinctive Features
- Complete functionality as TEA19161T/TEA19162T combo
- Integrated X-capacitor discharge without additional external components
- Universal mains supply operation (70 V (AC) to 276 V (AC))
- Integrated soft start and soft stop
- Accurate boost voltage regulation
Green Features
- Valley/zero voltage switching for minimum switching losses
- Frequency limitation to reduce switching losses
- Reduced supply current (200 μA) when in burst mode
Protection Features
- Safe restart mode for system fault conditions
- Continuous mode protection with demagnetization detection
- Accurate OverVoltage Protection (OVP)
- Open-Loop Protection (OLP)
- Short-Circuit Protection (SCP)
- Internal and external IC OverTemperature Protection (OTP)
- Low and adjustable OverCurrent Protection (OCP) trip level
- Adjustable brownin/brownout protection
- Supply Undervoltage Protection (UVP)
主要パラメータ
| Maximum PFC switching frequency | Fsw(PFC)max, typ |
|---|---|
| TEA19162T | 134 kHz |
| TEA19162HT/2 | 365 kHz |
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ドキュメント
クイック・リファレンス ドキュメンテーションの種類.
