Overview
The TEA1713T/N2,518, produced by NXP USA Inc., is a highly integrated power supply control IC that combines a power factor corrector (PFC) controller and a half-bridge resonant converter (HBC) controller. This multi-chip IC is designed for high-efficiency AC-DC power applications, offering universal mains supply operation from 70 V to 276 V (AC). The TEA1713T is notable for its low external component count and cost-effective design, making it an ideal choice for various power supply systems.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SOIC-24-300mil |
| Operating Voltage Range | 70 V to 276 V (AC) |
| Switching Frequency | Up to 500 kHz |
| PFC Controller Operation | Boundary mode with on-time control, valley/zero voltage switching |
| HBC Controller Features | Integrated high-voltage level shifter, adjustable minimum and maximum frequency, burst mode switching |
| Protection Features | Overtemperature protection, undervoltage protection, overcurrent regulation, safe restart mode |
| Enable Input | Control input for enabling and disabling the controllers |
| Start-up Source | On-chip high-voltage start-up source |
Key Features
- Integrated PFC and HBC controllers for high-efficiency power conversion.
- Universal mains supply operation from 70 V to 276 V (AC).
- Low external component count and cost-effective design.
- Enable input to control both PFC and HBC controllers independently.
- On-chip high-voltage start-up source for reduced component count.
- Burst mode switching with soft start and soft stop for both controllers.
- Adaptive non-overlap time and capacitive mode protection for the HBC controller.
- Comprehensive protection features including overtemperature, undervoltage, and overcurrent protection.
Applications
- LCD and plasma televisions.
- Adapters and power supplies for consumer electronics.
- High-efficiency power systems requiring both PFC and resonant conversion.
Q & A
- What is the TEA1713T/N2,518 used for?
The TEA1713T/N2,518 is used for controlling and managing power factor correction (PFC) and half-bridge resonant conversion in high-efficiency AC-DC power applications.
- What is the operating voltage range of the TEA1713T/N2,518?
The operating voltage range is from 70 V to 276 V (AC).
- What are the key features of the PFC controller in the TEA1713T/N2,518?
The PFC controller features boundary mode operation with on-time control, valley/zero voltage switching, and burst mode switching with soft start and soft stop.
- What protection features are included in the TEA1713T/N2,518?
The IC includes overtemperature protection, undervoltage protection, overcurrent regulation, and safe restart mode among others.
- Can the TEA1713T/N2,518 be used in stand-alone operation or with an external DC source?
Yes, the TEA1713T/N2,518 can operate in stand-alone mode or be supplied from an external DC source.
- What is the maximum switching frequency of the HBC controller?
The maximum switching frequency of the HBC controller is 500 kHz.
- What types of applications is the TEA1713T/N2,518 suitable for?
The TEA1713T/N2,518 is suitable for applications such as LCD and plasma televisions, adapters, and other high-efficiency power systems.
- How does the enable input function on the TEA1713T/N2,518?
The enable input allows for the control of both PFC and HBC controllers independently, with very low current consumption when disabled.
- What is the purpose of the on-chip high-voltage start-up source?
The on-chip high-voltage start-up source reduces the external component count and simplifies the design.
- How does the protection timer function in the TEA1713T/N2,518?
The protection timer is programmable and used for timing several protection functions, allowing error conditions to persist for a set period before protective action is taken.
