User ManualTable of ContentsTrademarks2Table of Contents3Preface5Introduction5Document Layout5Conventions Used in this Guide6Recommended Reading7The Microchip Web Site7Customer Support7Document Revision History7Chapter 1. Product Overview91.1 Introduction91.2 What is the MCP73830L 2x2 TDFN Li-Ion Battery Charger Evaluation Board?101.3 What the MCP73830L 2x2 TDFN Li-Ion Battery Charger Evaluation Board kit includes10Chapter 1. Installation and Operation111.1 Introduction111.2 Features111.3 Getting Started12Appendix A. Schematic and Layouts13A.1 Introduction13A.2 Board – Schematic14A.3 Board – Top Layer15A.4 Board – Top Copper15A.5 Board – Bottom Copper16Appendix B. Bill of Materials17Worldwide Sales and Service18Size: 274 KBPages: 18Language: EnglishOpen manual
Data SheetTable of ContentsPackage Types (Top View)1Typical Application2Functional Block Diagram21.0 Electrical Characteristics32.0 Typical Performance Curves7FIGURE 2-1: Battery Regulation Voltage (VBAT) vs. Supply Voltage (VDD).7FIGURE 2-2: Battery Regulation Voltage (VBAT) vs. Ambient Temperature (TA).7FIGURE 2-3: Battery Regulation Voltage (VBAT) vs. Ambient Temperature (TA).7FIGURE 2-4: Battery Regulation Voltage (VBAT) vs. Charge Current (IOUT).7FIGURE 2-5: Charge Current (IOUT) vs. Programming Resistor (RPROG), MCP73830L.7FIGURE 2-6: Output Leakage Current (IDISCHARGE) vs. Ambient Temperature (TA).7FIGURE 2-7: Output Leakage Current (IDISCHARGE) vs. Ambient Temperature (TA).8FIGURE 2-8: Output Leakage Current (IDISCHARGE) vs. Battery Regulation Voltage (VBAT).8FIGURE 2-9: Charge Current (IOUT) vs. Ambient Temperature (TA), MCP73830.8FIGURE 2-10: Charge Current (IOUT) vs. Ambient Temperature (TA), MCP73830.8FIGURE 2-11: Charge Current (IOUT) vs. Supply Voltage (VDD), MCP73830.8FIGURE 2-12: Charge Current (IOUT) vs. Supply Voltage (VDD), MCP73830.83.0 Pin Description9TABLE 3-1: Pin Function TableS93.1 Battery Management Input Supply (VDD)93.2 Battery Charge Control Output (VBAT)93.3 Battery Management 0V Reference (VSS)93.4 Status Output (STAT)93.5 Current Regulation Set (PROG)93.6 Charge Enable (CE)93.7 Exposed Pad (EP)94.0 Device Overview11FIGURE 4-1: The MCP73830/L Flowchart.115.0 Detailed Description135.1 Undervoltage Lockout (UVLO)135.2 Charge Qualification135.3 Preconditioning135.4 Constant Current Mode – Fast Charge145.5 Constant Voltage Mode145.6 Charge Termination145.7 Automatic Recharge145.8 Thermal Regulation14FIGURE 5-1: Thermal Regulation.145.9 Thermal Shutdown155.10 Status Indicator15TABLE 5-1: Status Outputs156.0 Applications17FIGURE 6-1: Typical Application Circuit.17FIGURE 6-2: Typical Charge Profile (Li-Ion Battery).176.1 Application Circuit Design176.2 PCB Layout Issues18FIGURE 6-3: Typical Layout (Top).18FIGURE 6-4: Typical Layout (Top Metal).18FIGURE 6-5: Typical Layout (Bottom).197.0 Packaging Information217.1 Package Marking Information21Appendix A: Revision History25Product Identification System27Trademarks29Worldwide Sales and Service30Size: 625 KBPages: 30Language: EnglishOpen manual
