NOVOSENSE Launches NSIP3266 Full-Bridge Transformer Driver with Integrated Crystal Oscillator, Simplifying Isolated Driver Power Supply Design
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NOVOSENSE Launches NSIP3266 Full-Bridge Transformer Driver with Integrated Crystal Oscillator, Simplifying Isolated Driver Power Supply Design

　　NOVOSENSE today announced the launch of the NSIP3266 full-bridge transformer driver with integrated crystal oscillator, multiple protection functions and soft start support, which can be widely used in isolated driver power supply circuits in automotive on-board chargers (OBCs), traction inverters and charging piles, photovoltaic power generation and energy storage, server power supply and other systems. NSIP3266 supports a full-bridge topology with a wide range of inputs, and with clever pin and function design, it greatly simplifies the design of isolated driver’s power supply circuits, facilitating system manufacturers to optimize system circuits and shorten product time to market.　　Currently, isolated driver's power supply in high-voltage systems is available in three architectural forms: centralized, fully distributed, and semi-distributed. Centralized architecture has only one stage of power supply, and the auxiliary power input voltage has a wide input range, requiring closed-loop operation. At the same time, the transformer design is complicated, and especially when a single low-cost isolated power supply is used, there are problems of multi-output load regulation and long wiring, which increase the difficulty of system design and debugging.　　Fully distributed architecture uses independent isolated power modules to supply power to isolated drivers. The advantage is that 1-to-1 power supply and targeted protection can be achieved for isolated drivers, but a corresponding number of isolated power modules need to be configured, and the system cost is high.　　Semi-distributed architecture adopts a balanced strategy. Through a two-stage auxiliary power architecture, the first stage uses devices with a wide input voltage range to generate regulated rails, and the second stage can be a compact open-loop form using other devices to provide isolated power supply for isolated drives. Semi-distributed architecture is gaining popularity among engineers because of its simplicity in design and balance of system cost, performance, and protection requirements.　　Simplified circuit design with full-bridge topology　　NOVOSENSE's NSIP3266 full-bridge transformer driver is designed for semi-distributed architecture with isolated driver power supply. Common topology options for semi-distributed architecture include push-pull, LLC, and full-bridge. NSIP3266 adopts full-bridge topology. Compared with other solutions, the principle of full-bridge topology is simple, the transformer structure does not require a center tap, the working principle does not involve the design and selection of external L and C, and the peripheral BOM is often minimal. At the same time, the full-bridge topology is more tolerant to transformer design, including leakage inductance and parasitics, which saves engineers' efforts in system design and debugging.　　Ingenious design releases MCU resources　　It is worth mentioning that NSIP3266, through the internal integrated crystal oscillator circuit and RT pin design, allows engineers to complete the switching frequency configuration with only external resistors, achieving decoupling of MCU control and more flexible layout. At the same time, it can still provide safe power supply when the MCU fails, promoting higher system safety. In addition, the built-in soft-start function of NSIP3266 also eliminates the need for MCU control. While not requiring MCU domain routing, it saves secondary-side current limiting resistors, greatly simplifying board design and improving architectural flexibility.　　Wide voltage input and comprehensive protection　　NSIP3266 supports a wide operating voltage range of 6.5V~26V. No additional TVS protection tube is required in the system circuit, allowing engineers to choose the pre-stage power supply more flexibly. In addition, NSIP3266 provides multiple protection functions, including undervoltage protection, overcurrent protection, over-temperature protection, etc. The comprehensive protection functions enable engineers to focus on the optimization and innovation of the core system functions, and to design the system quickly and efficiently to meet the reliability requirements.　　Packaging and selections　　NSIP3266 is available in EP-MSOP8 package (3.0 x 3.0mm x 0.65mm, with thermal pad). The industrial version, NSIP3266-D, and the automotive version, NSIP3266-Q1, which meets the requirements of AEC-Q100, will be mass-produced in the first half of 2025. Please contact NOVOSENSE's sales team (sales@novosns.com) for product details or to request samples.　　Rich isolation products meet diverse needs　　With its expertise and leadership in isolation technology, NOVOSENSE provides a series of isolation and "isolation+" products covering digital isolators, isolated sampling, isolated interfaces, isolated power supply, and isolated drivers. NSIP3266 is a new addition to NOVOSENSE's isolated power supply family. NOVOSENSE also offers a selection of other cost-effective and high-performance, high-integration options, including: the NSIP605x series of push-pull transformer drivers; the NSIP88/89xx and NIRSP31x series with integrated transformers and multi-channel digital isolators; the NSIP83086 isolated RS485 transceiver and the NSIP1042 isolated CAN transceiver with integrated transformers and isolated interfaces. NOVOSENSE's comprehensive "isolation+" product portfolio can meet the diverse system design needs of various types of customers and provide one-stop chip solutions for them.
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Release time：2025-02-19 09:59 reading：1028 Continue reading>>
What is the type of crystal <span style='color:red'>oscillator</span>
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What is the type of crystal oscillator

　　Crystal oscillator is one of the most popular components used in electronics, like phone, computer and micro-controller. They are a type of electronic circuit that produces a periodic signal with a frequency determined by its quartz crystal or metal-oxide-semiconductor (MOS) device. They can be used as the basis for other kinds of oscillators because they have certain advantages over other types of circuits like phase-locked loops (PLLs). It plays a vital role in various electronic devices, providing precise and stable frequency signals.　　What is crystal oscillator and its usesA crystal oscillator is an electronic component that utilizes the mechanical resonance of a vibrating crystal to generate precise electrical signals. It consists of a crystal, typically made of quartz, and associated circuitry that amplifies and sustains the oscillations. The crystal’s resonance is based on the piezoelectric effect, where an applied electric field causes the crystal to vibrate at its resonant frequency.　　It can find applications in a wide range of devices and systems that require accurate timing or frequency reference. For instance, they are extensively used in digital clocks, radio receivers, microprocessors, communication systems, and even in scientific instruments like spectrometers.　　What is the type of crystal oscillatorCrystal oscillators are electronic devices that utilize the mechanical properties of quartz crystals to generate electrical signals with specific frequencies. They find extensive usage across various domains, including timekeeping devices, communication devices, and computing systems.　　There are four primary types:　　● Oven-controlled crystal oscillators (OCXOs) represent the most precise category. By utilizing an oven to maintain a constant temperature, they enhance the frequency stability of the oscillator.　　● Temperature-compensated crystal oscillators (TCXOs) offer a balance between accuracy and cost-effectiveness. These oscillators employ temperature-compensating circuits to improve frequency stability.　　● Voltage-controlled crystal oscillators (VCXOs) are the least accurate among the types. They modify the oscillator’s frequency using a voltage-controlled circuit.　　● Clock oscillators (XOs) serve as a general term encompassing any type of crystal oscillator. They can be OCXOs, TCXOs, or VCXOs.　　Choosing the most suitable type depends on the specific application’s requirements regarding accuracy and cost. For instance, OCXOs are ideal for telecommunication applications that demand high precision, while TCXOs are commonly employed in computer systems where accuracy holds importance but are not critical. VCXOs find their primary application in cost-sensitive consumer electronics.　　What is the main feature of crystal oscillatorThe main feature is their exceptional frequency stability. This stability arises from the unique properties of the crystal. When an electric field is applied to the crystal, it undergoes mechanical deformation, causing it to vibrate at its resonant frequency. This resonance frequency remains highly stable over time, making it ideal for applications that require precise and accurate timing.　　What is the advantage and application of crystal oscillator　　Crystal oscillators are invaluable components in electronic systems due to their numerous advantages. Firstly, they deliver exceptional accuracy, typically achieving precision within the range of parts per million (ppm). This level of accuracy is crucial in applications that demand precise timing, including data communication, synchronization, and digital signal processing.　　Secondly, it exhibits low power consumption, making them highly suitable for battery-powered devices and energy-efficient systems. Their efficient operation minimizes power drain while ensuring reliable and precise timing.　　Furthermore, it offers remarkable frequency stability across a wide range of environmental conditions. They demonstrate resilience against temperature variations, guaranteeing consistent and reliable performance even in challenging operational environments.　　These oscillators find extensive applications in telecommunications, aerospace, consumer electronics, medical equipment, and various industrial sectors. They are utilized in wireless communication devices, GPS systems, satellite communication, precision instruments, and a wide array of electronic devices that rely on accurate and dependable timing.　　What are the limitation with crystal oscillators　　Crystal oscillators do have certain problems and limitations that should be considered:　　● Accuracy: It possesses a frequency error, which denotes the variance between the actual frequency and the desired frequency. This error can arise from factors such as temperature, manufacturing process, and crystal aging.　　● Stability: They exhibit a degree of instability over time and can experience frequency drift due to environmental factors like temperature and humidity.　　● Cost: These are not the most economical option among oscillator types, being relatively more expensive compared to alternatives like ceramic resonators.　　Additionally, there are further challenges and limitations associated with crystal oscillators:　　● Sensitivity to shock and vibration: It is susceptible to damage when subjected to shock and vibration, as these external forces can disrupt the mechanical properties of the quartz crystal responsible for generating periodic signals.　　● Temperature sensitivity: The frequency is influenced by temperature variations since the resonant frequency of a quartz crystal is temperature-dependent.　　● Sensitivity to aging: Over time, the frequency can experience drift as a result of changes in the mechanical properties of the quartz crystal due to aging.　　While these problems and limitations can be mitigated through careful circuit design, it is essential to be aware of them when utilizing them. Despite these challenges, it remains a popular choice in a wide range of applications due to its satisfactory accuracy, stability, and favorable cost-effectiveness.　　What is the frequency and voltage of crystal oscillator　　Crystal oscillators operate at specific frequencies determined by the physical dimensions and material properties of the crystal. The resonant frequency typically ranges from a few kilohertz to hundreds of megahertz.　　The voltage requirements of a crystal oscillator depend on the specific circuit design and associated components. Generally, it operates at low voltages, ranging from a few volts to tens of volts. The required voltage is determined by the power supply and the specifications of the integrated circuits used in the oscillator circuit.
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Release time：2023-11-06 15:12 reading：1642 Continue reading>>

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