The MCP73833T-AMI/UN is a highly integrated lithium-ion/lithium-polymer charge management controller from Microchip Technology, designed to provide reliable charging for single-cell Li-Ion/Li-Po batteries. This advanced battery charger IC comes in a compact 10-DFN (3x3) package, making it suitable for space-constrained applications.
Featuring an input voltage range of 4.5V to 6.0V, the MCP73833T-AMI/UN can deliver a charge current up to 1A, which is adjustable via an external resistor. This flexibility allows designers to tailor the charging current to the needs of specific battery sizes and capacities, ensuring efficient and safe charging cycles.
The MCP73833T-AMI/UN incorporates a host of safety features to protect both the battery and the charging system. These include preconditioning of deeply discharged batteries, cell temperature monitoring for thermal protection, and automatic termination when the battery is fully charged. Additionally, the device offers over-voltage protection, ensuring that the battery is not exposed to damaging charging voltages.
A standout feature of this IC is its status output that provides real-time feedback on the charging process through LED indicators. This allows users to easily monitor the state of the charge, with indications for power good, charging, and charge completion states.
Designed to operate with a single input, the MCP73833T-AMI/UN simplifies the power supply design, making it ideal for portable applications such as handheld devices, Bluetooth headsets, and digital cameras. Moreover, its automatic power-down feature minimizes power consumption when the charger is not in use, contributing to the overall energy efficiency of the application.
In summary, the MCP73833T-AMI/UN from Microchip Technology is a sophisticated, compact, and feature-rich battery charge management solution that ensures safe and efficient charging for lithium-ion and lithium-polymer batteries, making it an excellent choice for a wide range of portable electronic applications.