Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection - Microchip Technology
Description
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MCP73113/4
Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection
Features
• Complete Linear Charge Management Controller: - Integrated Input Overvoltage Protection - Integrated Pass Transistor - Integrated Current Sense - Integrated Reverse Discharge Protection • Constant Current / Constant Voltage Operation with Thermal Regulation • 4.
15V Undervoltage Lockout (UVLO) • 18V Absolute Maximum Input with OVP: - 6.
5V (MCP73113) - 5.
8V (MCP73114) • High Accuracy Preset Voltage Regulation Through Full Temperature Range (-5°C to +55°C): + 0.
5% • Battery Charge Voltage Options: - 4.
10V, 4.
20V, 4.
35V or 4.
4V • Resistor Programmable Fast Charge Current: - 130 mA - 1100 mA • Preconditioning of Deeply Depleted Cells - Available Options: 10% or Disable • Integrated Precondition Timer: - 32 Minutes or Disable • Automatic End-of-Charge Control: - Selectable Minimum Current Ratio: 5%, 7.
5%, 10% or 20% - Elapse Safety Timer: 4 HR, 6 HR, 8 HR or Disable • Automatic Recharge: - Available Options: 95% or Disable • Charge Status Output - Two Style Options • Soft start • Temperature Range: -40°C to +85°C • Packaging: DFN-10 (3 mm x 3 mm)
Description
The MCP73113/4 are highly integrated Li-Ion battery charge management controllers for use in spacelimited and cost-sensitive applications.
The MCP73113/4 devices provide specific charge algorithms for Li-Ion/Li-Polymer batteries to achieve optimal capacity and safety in the shortest charging time possible.
Along with their small physical size, the low number of external components make the MCP73113/4 ideally suitable for portable applications.
The absolute maximum voltage, up to 18V, allows the use of MCP73113/4 in harsh environments, such as low cost wall wart or voltage spikes from plug/unplug.
The MCP73113/4 devices employ a constant current/constant voltage charge algorithm.
The various charging voltage regulations provide design engineers flexibility to use in differen...
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