MCP73831T-3ACI/MC

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MCP73831T-3ACI/MC, an integrated Single Cell Li-Ion/Li-Polymer battery charge management controller with an internal Power Path MOSFET, belongs to the PMIC (Power Management Integrated Circuit) family. This tiny device is designed to keep Li-Ion/Li-Polymer batteries balanced, regulated and safe at all times. As part of the PMIC family, it is classified as a battery charger.

MCP73831T-3ACI/MC is relatively easy to use and provides most of the required features such as programmable charge current, charge voltage and thermal regulation. While providing protection from faults, this device is able to operate from a wide range of input sources. MCP73831T-3ACI/MC can be used for easy and safe charging of Li-Ion/Li-Polymer battries.

MCP73831T-3ACI/MC is typically used in applications like automotive, consumer electronics and portable devices. Automotive applications may include vehicle starter/stop systems and other battery management systems. Consumer electronics applications may include digital cameras, cordless phones and other battery-powered products. Portable device applications can include laptops, tablet computers and other battery-powered portable devices which make use of Li-Ion/Li-Polymer batteries.

Working principle of MCP73831T-3ACI/MC is quite simple. This device is designed to control charge cycle while monitoring battery temperature and other parameters. It senses input voltage, determines charging current and regulates battery voltage. It implements over-voltage, reverse-current and over-temperature protection. This device offers three charging modes: Trickle Charge Mode, Constant-Current/Constant-Voltage Mode and Thermal Regulation Mode.

In Trickle Charge Mode, a pre-programmed charging current is allowed to charge the battery slowly, until it reaches a specific level. When the battery has been pre-charged, the device switches to Constant-Current/Constant-Voltage Mode to charge the battery at a fixed voltage and current. During thermal regulation, the device reduces the charging current when it senses that the battery is running too hot. When the battery has charged fully, the device will switch off the charging and go into a standby mode.

MCP73831T-3ACI/MC is a high performance battery charger offering an effective and efficient solution for Li-Ion/Li-Polymer batteries. It combines the advantages of PMIC technology with a simple and easy to use design. By providing a wide range of features and programmable parameters, it offers customers a simple, cost-effective solution for charging their Li-Ion/Li-Polymer batteries safely and quickly.

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