
Allicdata Part #: | NCP1615DDR2G-ND |
Manufacturer Part#: |
NCP1615DDR2G |
Price: | $ 0.51 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC CTRLR PFC HV ACTIVE X2 16SOIC |
More Detail: | PFC IC Current Controlled Frequency Foldback (CCFF... |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 0.46778 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Mode: | Current Controlled Frequency Foldback (CCFF), Critical Conduction (CRM) |
Frequency - Switching: | 26kHz |
Current - Startup: | 12mA |
Voltage - Supply: | 9.5 V ~ 28 V |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 16-SOIC (0.154", 3.90mm Width), 15 Leads |
Supplier Device Package: | 16-SOIC |
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Power factor correction (PFC) is becoming increasingly important as power levels increase and the types of electrical loads introduce harmonic distortion. The NCP1615DDR2G is a high-level integrated PFC controller for active off-line power factor correction. It is suitable for AC-DC and DC-DC power supplies and it is used in a variety of applications, such as:
- Air-conditioners – energy efficient air-conditioners often contain power factor correction to reduce harmonics and improve power quality.
- Lighting – for LED lighting, PFC is used to improve the efficiency and reliability of the lighting system.
- UPS – the use of PFC circuits reduces the size and weight of Uninterruptible power supply (UPS) systems.
- Motor – PFC circuits are used in motor drive systems to reduce the inrush current.
- Chargers – PFC circuits are used in battery chargers to reduce switch losses and improve efficiency.
- Electric Vehicles – PFC circuits are used in electric vehicles to reduce the losses associated with high current switching.
The NCP1615DDR2G from ON Semiconductor is an Active Power Factor Correction (PFC) integrated circuit specifically designed for single or two stage AC-DC and DC-DC power supplies. The device is capable of controlling power factor correcting stage with hard or soft switching for high efficiency. It includes a single stage PFC controller and boost inductor current sense with full external control. The device uses proprietary information embedded in its memory as part of its proprietary PFC control algorithm to provide superior performance. The device also features a low component count, reduced board space and improved efficiency and reliability.
The main features of the NCP1615DDR2G are:
- High efficiency & low component count: The NCP1615DDR2G utilizes signal processing and analog signal averaging techniques for high efficiency. The device includes active current sensing, which eliminates the need for external current sense components and reduces component count, resulting in a smaller board area.
- High accuracy & reliability: The NCP1615DDR2G utilizes proprietary signal processing and digital signal control techniques to provide highly accurate output power and high reliability.
- Flexible control & protection features: The device features comprehensive control and protection features and flexible programming controls.
- Wide input voltage range & output voltage range: The device features an input voltage range of 8V to 400V, an output voltage range of 5V to 400V, and an output power of up to 500W.
- Soft switching control: The NCP1615DDR2G is capable of controlling power factor correcting stage with soft switching to improve efficiency and reduce electromagnetic interference (EMI).
- Complete PFC solution: The device includes integrated PFC controller, output voltage regulation, current sensing, and fault protection.
Working Principle of NCP1615DDR2G
The NCP1615DDR2G includes an integrated PFC controller and boost inductor current sense with full external control. The device utilizes signal processing and digital signal control techniques as part of its proprietary PFC algorithm to provide superior performance. The device features a proprietary synthetic control technique to provide fast response times and high accuracy. The device operates in a constant current mode to produce a high power factor without over-regulation. The NCP1615DDR2G utilizes soft switching control to minimize EMI and improve conversion efficiency.
The device uses a number of protection features to ensure safe operation. The device features over-voltage protection, over-current protection, brown-out protection, input and output short-circuit protection, over-temperature protection, and over load protection. The device also includes an optional 100-kΩ limiting resistor to reduce power dissipation.
The NCP1615DDR2G provides a complete solution for high efficiency and accurate control of single- and two-stage AC/DC and DC/DC converters. The device features an integrated PFC controller, output voltage regulation, current sensing, and fault protection in a single package. The device is suitable for a wide range of applications, including air-conditioners, lighting systems, UPS systems, motor drives, chargers, and electric vehicles.
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