MCP73832T-5ACI/OT

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MCP73832T-5ACI/OT Application Field and Working Principle

The MCP73832T-5ACI/OT is a single-cell Li-Ion/Li-polymer Battery Management System (BMS) dedicated to charging such batteries. It has been designed in respect of current battery requirements and industry trend to make charging process easier, simpler and more accurate. The MCP73832T-5ACI/OT belongs to the PMIC - Battery Chargers family of devices, which combine all the highly integrated charging algorithm, configuration and monitoring functions found in the MCP73832T-5ACI/OT.

The MCP73832T-5ACI/OT is designed to charge lithium-ion/lithium-polymer battery cells. With the safety timer and thermal regulation, it protects the battery from over current and over-heating. The pre-programmed parameters of the MCP73832T-5ACI/OT can be adapted to various types of cell chemistries, including Li-ion, Li-polymer and LiFePO4. It also features reverse current protection to prevent reverse charging when the stored battery energy falls below a certain level. This helps extend the life of the battery and increase its safety.

The MCP73832T-5ACI/OT supports three stage charging strategies like constant current/constant voltage (CODV), constant current/variable voltage (CODV), and the constant current/constant power (CCCP) charging modes. In the CODV charging mode, the constant current stage limits output current to a predetermined level, while the constant voltage (CV) stage limits voltage to a predetermined level. In addition, the MCP73832T-5ACI/OT supports advanced charging algorithm such as true power tracking (TPT) and real-time minimum level check (RTML).

The MCP73832T-5ACI/OT is designed to provide advanced features and functions, such as over voltage protection, over temperature protection, low party temperature protection, and under voltage protection. In addition, it supports an adjustable charge termination voltage, an adjustable charge termination current, and an adjustable charge timeout to improve the safety and reliability of the system. In order to accurately monitor the battery status, the MCP73832T-5ACI/OT provides up to four general purpose battery reset pins and one analog differential reset pin.

The MCP73832T-5ACI/OT also supports different output voltage range depending on the external resistor selections. The external resistor is configurable for different battery chemistries and can be used to set the discharge threshold voltage. The MCP73832T-5ACI/OT also includes a low current shutdown feature to reduce leakage caused by the battery when the system is not in use.

The MCP73832T-5ACI/OT is designed to operate at an ambient temperature range of -40°C to 85°C. In addition, the device features an under-voltage lockout feature that prevents cell discharge until the battery voltage reaches a predetermined level. This allows the MCP73832T-5ACI/OT to be safely and reliably used in various types of applications.

In summary, the MCP73832T-5ACI/OT belongs to the PMIC - Battery Chargers family of devices and is designed to provide a dedicated charging solution for single cell lithium-ion/lithium-polymer batteries. It supports multiple battery chemistries, and provides three charging strategies that allow for optimized charging performance. In addition, the MCP73832T-5ACI/OT includes an adjustable charge termination voltage, an adjustable charge termination current, an adjustable charge timeout, and a low current shutdown feature for improved safety and reliability.

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