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MCP73213 Datasheet(PDF) 1 Page - Microchip Technology |
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MCP73213 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 34 page  © 2009 Microchip Technology Inc. DS22190A-page 1 MCP73213 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) • 13V Input Overvoltage Protection • High Accuracy Preset Voltage Regulation Through Full Temperature Range (-5°C to +55°C): -+ 0.6% • Battery Charge Voltage Options: - 8.20V, 8.40V, 8.7V or 8.8V • 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 • Factory Preset Charge Status Output: - On/Off or Flashing • Soft Start • Temperature Range: -40°C to +85°C • Packaging: DFN-10 (3 mm x 3 mm) Applications • Digital Camcorders • Portable Media Players • Ultra Mobile Personal Computers • Netbook Computers • Handheld Devices • Walkie-Talkie • Low-Cost 2-Cell Li-Ion/Li-Poly Chargers / Cradles Description The MCP73213 is a highly integrated Li-Ion battery charge management controller for use in space-limited and cost-sensitive applications. The MCP73213 provides specific charge algorithms for dual-cell Li-Ion / Li-Polymer batteries to achieve optimal capacity and safety in the shortest charging time possible. Along with its small physical size, the low number of external components makes the MCP73213 ideally suitable for portable applications. The absolute maximum voltage, up to 18V, allows the use of MCP73213 in harsh environments, such as low cost wall wart or voltage spikes from plug/unplug. The MCP73213 employs a constant current / constant voltage charge algorithm. The various charging voltage regulations provide design engineers flexibility to use in different applications. The fast charge, constant current value is set with one external resistor from 130 mA to 1100 mA. The MCP73213 limits the charge current based on die temperature during high power or high ambient conditions. This thermal regulation optimizes the charge cycle time while maintaining device reliability. The PROG pin of the MCP73213 also serves as enable pin. When high impedance is applied, the MCP73213 will be in standby mode. The MCP73213 is fully specified over the ambient temperature range of -40°C to +85°C. The MCP73213 is available in a 10 lead, DFN package. Package Types (Top View) MCP73213 3x3 DFN * VBAT VDD VBAT VSS VSS 1 2 3 4 10 9 8 7 STAT PROG VDD * Includes Exposed Thermal Pad (EP); see Table 3-1. EP 11 NC 5 6 NC Dual-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
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