LP3946LD/NOPB

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LP3946LD/NOPB is a lithium-ion battery charger controller that is designed to meet the requirements of applications such as portable music systems, digital cameras, or any other applications where a low-cost and efficient battery charging solution is needed. This system, with its integrated dual switch buck-boost charge control and 3L-Buck power supply, conforms to all industry standards, such as USB, BC1.1 &USB 2.0, making it a very popular choice for battery charging applications.

The LP3946LD/NOPB application field is primarily in portable devices to provide reliable rechargeable battery charging. The integrated dual switch buck-boost controller is used to regulate the energy transfer from the power supply to the battery for charge control. This helps to ensure a safe and reliable charging operation. In addition to the charge control, the device also provides over-voltage and over-temperature protection. The integrated buck power supply can be configured to provide a wide range of output voltages, allowing it to be used with a variety of batteries.

The working principle of the LP3946LD/NOPB battery charger controller is relatively straightforward. The system is programmed to safely monitor the state of the battery, thanks to the integrated voltage and current sensors in the device. Depending on the type of battery being charged, the device adjusts the output voltage and current accordingly, thereby meeting the manufacturer’s specifications for charging. The LP3946LD/NOPB includes dual switch buck-boost controllers and 3L-Buck power supply to provide highly efficient, reliable and adjustable charge currents and voltages for recharging internal and external Li-ion, and Li-ion polymer batteries.

The LP3946LD/NOPB also includes the necessary components for advanced safety protection, such as over-charge and over-discharge protection, thermal shutdown and current limit. This provides a high safety level for both the device and the Li-ion battery being charged. In addition, the device offers an adjustable pre-charge phase, in which the charge current is limited to a low level before the main charging phase begins. This feature helps to reduce both battery stress and thermal load.

The LP3946LD/NOPB is designed to provide a cost-effective and efficient rechargeable battery charging solution, while meeting all industry standards. It is suitable for a variety of portable devices and applications, ranging from digital cameras to MP3 players, and it has all the necessary components for advanced safety protection. The integrated dual switch buck-boost charge control and 3L-Buck power supply make it a perfect choice for battery charging applications, as it can be configured to provide a wide range of output voltages for different battery types.

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