Overview
The NXP SSL4120T/1,518 is a high-efficiency, single-chip resonant controller designed for high-power LED applications. It integrates controllers for power factor correction (PFC) and a half-bridge resonant converter (HBC) in a single chip, making it an elegant and cost-effective solution for designing LED drivers and power supplies. This controller is particularly suited for commercial, industrial, and street lighting applications, both indoors and outdoors, where demand for high-power LED solutions is growing rapidly.
Key Specifications
| Parameter | Description |
|---|---|
| Power Range | 75 to 400 W |
| Input Voltage Range | 90 to 305 V (universal mains operation) |
| THD (Total Harmonic Distortion) | <10% |
| PF (Power Factor) | >0.97 |
| Efficiency | >93% |
| PFC Frequency | Typical 380 kHz |
| Package Type | 24-SO (Small Outline) |
| Protection Features | OverCurrent Protection (OCP), OverVoltage Protection (OVP), demagnetization sensing, open-loop protection, capacitive mode protection, and general-purpose latched protection input |
| Operating Temperature | Up to 150°C for OverTemperature Protection (OTP) |
Key Features
- Single chip with integrated controllers for PFC and half-bridge resonant converter (HBC)
- True universal mains operation from 90 to 305 V
- Low THD (<10%) and high PF (>0.97)
- Resonant topology and valley/zero voltage switching for high efficiency (>93%)
- PFC in boundary-mode operation with on-time control
- HBC burst mode switching for increased efficiency under low-load conditions
- All-around protection including OCP, OVP, demagnetization sensing, open-loop protection, capacitive mode protection, and a general-purpose latched protection input
- Compact form factor enabling cost-effective designs with minimal external components
Applications
The NXP SSL4120T/1,518 is designed for various high-power LED applications, including:
- Office lighting
- Shop lighting
- High-bay and low-bay lighting
- Commercial, industrial, and street lighting
Q & A
- What is the power range of the SSL4120T/1,518? The power range is from 75 to 400 W.
- What is the input voltage range for the SSL4120T/1,518? The input voltage range is from 90 to 305 V, supporting universal mains operation.
- What are the key protection features of the SSL4120T/1,518? The key protection features include OverCurrent Protection (OCP), OverVoltage Protection (OVP), demagnetization sensing, open-loop protection, capacitive mode protection, and a general-purpose latched protection input.
- How efficient is the SSL4120T/1,518? The SSL4120T/1,518 achieves an efficiency of more than 93%.
- What is the typical PFC frequency of the SSL4120T/1,518? The typical PFC frequency is 380 kHz.
- What is the package type of the SSL4120T/1,518? The package type is 24-SO (Small Outline).
- Does the SSL4120T/1,518 support burst mode operation? Yes, the HBC and PFC controllers can be operated in burst mode to increase efficiency under low-load conditions.
- What is the overtemperature protection threshold for the SSL4120T/1,518? The overtemperature protection threshold is 150°C.
- What are some common applications for the SSL4120T/1,518? Common applications include office lighting, shop lighting, high-bay and low-bay lighting, and commercial, industrial, and street lighting.
- Where can I find detailed specifications and datasheets for the SSL4120T/1,518? Detailed specifications and datasheets can be found on the NXP website, as well as through distributors like Digi-Key and Mouser.
