Overview
The TEA1716DB1255UL, produced by NXP USA Inc., is a resonant power supply control IC with integrated Power Factor Correction (PFC). This component is designed to manage and control power supply systems efficiently, ensuring high power factor and reliable operation. The IC combines the functions of a PFC controller and a Half-Bridge Controller (HBC), making it suitable for various high-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 90 V to 264 V (AC) |
| Maximum Half-Bridge Switching Frequency | 500 kHz |
| Boost Voltage | Up to 400 V (DC) |
| Regulated Supply Voltage | 11.3 V (at SUPREG pin) |
| Protection Features | Overtemperature, overvoltage, undervoltage, overcurrent, and safe restart mode |
| Operating Modes | Burst mode switching, adaptive non-overlap time |
Key Features
- Integrated high-voltage level shifter
- Adjustable minimum and maximum frequency
- Adaptive non-overlap time and burst mode switching
- Comprehensive protection features including overtemperature, overvoltage, undervoltage, and overcurrent protection
- Safe restart mode for system fault conditions
- Regulated supply module with undervoltage protection
- Integrated series stabilizer for accurate regulated voltage
Applications
- LCD and plasma televisions
- Notebook adapters
- High-power consumer electronics
- Industrial power supplies
Q & A
- What is the input voltage range of the TEA1716DB1255UL?
The input voltage range is 90 V to 264 V (AC). - What is the maximum half-bridge switching frequency?
The maximum half-bridge switching frequency is 500 kHz. - What is the regulated supply voltage provided by the IC?
The regulated supply voltage is 11.3 V at the SUPREG pin. - What protection features are included in the TEA1716DB1255UL?
The IC includes overtemperature, overvoltage, undervoltage, overcurrent protection, and safe restart mode. - What are the operating modes of the TEA1716DB1255UL?
The IC operates in burst mode switching and has an adaptive non-overlap time. - What is the purpose of the integrated series stabilizer?
The integrated series stabilizer creates an accurate regulated voltage for the internal drivers and external circuits. - What applications is the TEA1716DB1255UL suitable for?
The IC is suitable for LCD and plasma televisions, notebook adapters, high-power consumer electronics, and industrial power supplies. - How does the IC manage power factor correction?
The IC controls and protects the Power Factor (PF) converter, generating a 400 V (DC) boost voltage from the rectified AC mains input with a high PF. - What is the role of the HBC controller in the TEA1716DB1255UL?
The HBC controller controls and protects the resonant converter, generating a regulated mains isolated output voltage from the 400 V (DC) boost voltage. - How does the IC handle system fault conditions?
The IC has a safe restart mode for system fault conditions and includes a protection timer for delayed protection and restart timing.
