Manufacturer Part Number
MCP73831T-3ACI/OT
Manufacturer
Microchip Technology
Introduction
Single-cell Li-Ion/Li-Polymer Battery Charge Management Controller with on-board regulation and thermal management
Product Features and Performance
Integrated pass transistor
Integrated current sense
Integrated reverse discharge protection
High-accuracy voltage regulation
Automatic power-down when input voltage is removed
Thermal shutdown protection
Preconditioning of deeply depleted cells
Status indication power good, charge enable, charge status
Selectable charge current up to 500mA
Factory-programmable charge current
Product Advantages
Simplified design for charging single-cell Li-Ion batteries
Low component count
Precision regulation and protection features ensure long battery life
Small package size suitable for portable applications
Key Technical Parameters
Charge Current Max: 500mA
Battery Pack Voltage: 4.35V
Voltage Supply (Max): 6V
Operating Temperature: -40°C ~ 85°C (TA)
Number of Cells: 1
Programmable Features: Current
Fault Protection: Over Voltage
Quality and Safety Features
Overvoltage protection
Thermal regulation and protection
Automatic end-of-charge control
Preconditioning of low voltage batteries
Compatibility
Compatible with single-cell Li-Ion/Li-Polymer batteries
SOT-23-5 packaging for surface mount compatibility
Application Areas
Portable electronics
Wearable devices
Medical monitoring equipment
Battery-powered sensors
Product Lifecycle
Active product status
Not indicated as nearing discontinuation
Replacement and upgrade options not mentioned, likely available within Microchip Technology’s broad portfolio of power management ICs
Several Key Reasons to Choose This Product
High level of integration reducing external component count
Industry-leading charge accuracy extends battery life
Wide temperature range suitable for extreme environments
Proven manufacturer with broad technical support
Programmable current enables customization for specific applications
Small form factor catering to space-constrained designs
MCP73832-3ACI/MCMicrochip