LTC4080XEMSE#PBF

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Power management integrated circuit (PMIC) technology is an efficient way to reduce power consumption, increase efficiency and enable increased product functionality. Battery chargers are an important part of this technology, as they enable batteries to be recharged, making them an essential part of many mobile devices. The LTC4080XEMSE#PBF is a dual-mode battery charger from Linear Technology that combines wide input voltage range buck-boost charging with constant-current/constant-voltage (CC/CV) charging for use in single-cell Li-ion and Li-polymer batteries. This article will take a look at the application fields for the LTC4080XEMSE#PBF and its working principles.

The flexibility of modern PMIC devices makes them appropriate for a number of applications where battery-powered devices need to be charged. The LTC4080XEMSE#PBF is well-suited for products such as medical implants, POS Terminals, wearable medical devices, hearing aids and Bluetooth headsets, as they require reliable and efficient power delivery, along with a wide voltage range and a high level of precision. The device also offers a number of safety and protection features, including thermal monitoring and multiple levels of over-voltage protection. This makes the LTC4080XEMSE#PBF an excellent choice for portable medical and consumer devices.

The LTC4080XEMSE#PBF combines the features of a buck-boost and CC/CV charger, allowing it to generate adjustable output voltages up to 5V. The device is designed to charge single-cell Li-ion and Li-polymer batteries, and can be used in products with an input voltage range from 0.6V to 5.5V. The input operating current range is from 0.1A to 1.5A, and the output current range is from 0.5A to 1.5A. The device also offers a number of protection features, including current and voltage protection, thermal shutdown and reverse current protection. Additionally, the device is compliant with the relevant safety standards, including IEC-60950.

The working principle behind the LTC4080XEMSE#PBF relies on a two-stage charging method to ensure that the battery is properly charged with maximum efficiency. In the first stage, the device operates as a buck-boost charger, adjusting the output voltage based on the input voltage. This stage compensates for any voltage loss from the input voltage source. Once the input voltage falls below the battery voltage, the device then switches to constant-current/constant-voltage (CC/CV) charging. The device then regulates the current and voltage to ensure that the battery reaches its full charge without overcharging or damaging it with too much current.

The LTC4080XEMSE#PBF is a dual-mode battery charger that is well-suited for applications requiring reliable and efficient charging of single-cell Li-ion and Li-polymer batteries. It features wide input voltage range buck-boost charging, combined with CC/CV charging, and offers multiple levels of protection against over-voltage and current. The device is compliant with the relevant safety standards and offers excellent performance and power delivery. With its flexible and efficient charging capabilities, the LTC4080XEMSE#PBF is an excellent choice for portable medical and consumer devices.

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