Manual De UsuarioTabla de contenidosPreface5Introduction5Document Layout5Conventions Used in this Guide6Recommended Reading6The Microchip Web Site7Customer Support7Document Revision History7Chapter 1. Product Overview91.1 Introduction91.2 What is the MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board?101.3 What the MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board Kit Includes:10Chapter 2. Installation and Operation112.1 Introduction112.2 Features112.3 Getting Started12Appendix A. Schematic and Layouts15A.1 Introduction15A.2 Board – Schematic16A.3 Board – Top Layer17A.4 Board – Top Metal Layer18A.5 Board – Bottom Layer19Appendix B. Bill Of Materials (BOM)21Worldwide Sales and Service22Tamaño: 300 KBPáginas: 22Language: EnglishManuales abiertas
Hoja De DatosTabla de contenidos1.0 Electrical Characteristics52.0 Typical Performance Curves9FIGURE 2-1: Battery Regulation Voltage (VBAT) vs. Supply Voltage (VDD).9FIGURE 2-2: Battery Regulation Voltage (VBAT) vs. Supply Voltage (VDD).9FIGURE 2-3: Battery Regulation Voltage (VBAT) vs. Ambient Temperature (TA).9FIGURE 2-4: Battery Regulation Voltage (VBAT) vs. Ambient Temperature (TA).9FIGURE 2-5: Charge Current (IOUT) vs. Programming Resistor (RPROG).9FIGURE 2-6: Charge Current (IOUT) vs. Supply Voltage (VDD).9FIGURE 2-7: Charge Current (IOUT) vs. Programming Resistor (RPROG).10FIGURE 2-8: Charge Current (IOUT) vs. Programming Resistor (RPROG).10FIGURE 2-9: Charge Current (IOUT) vs. Ambient Temperature (TA).10FIGURE 2-10: Charge Current (IOUT) vs. Ambient Temperature (TA).10FIGURE 2-11: Battery Short Protection Regulation Current (ISHORT) vs. Ambient Temperature (TA).10FIGURE 2-12: Output Leakage Current (IDISCHARGE) vs. Ambient Temperature (TA).10FIGURE 2-13: Battery Voltage Accuracy (VRTOL) vs. Supply Voltage (VDD).11FIGURE 2-14: Load Transient Response (ILOAD = 50 mA/Div, Output: 100 mV/Div, Time: 100 µs/Div).11FIGURE 2-15: Input Overvoltage Protection.11FIGURE 2-16: Complete Charge Cycle (875 mAh Li-Ion Battery).11FIGURE 2-17: Line Transient Response (ILOAD = 10 mA) (100 µs/Div).11FIGURE 2-18: Line Transient Response (ILOAD = 100 mA) (100 µs/Div).113.0 Pin Description13TABLE 3-1: Pin Function TableS133.1 Battery Management Input Supply (VDD)133.2 Battery Charge Control Output (VBAT)133.3 No Connect (NC)133.4 Status Output (STAT)133.5 Battery Management 0V Reference (VSS)133.6 Current Regulation Set (PROG)133.7 Exposed Pad (EP)134.0 Device Overview15FIGURE 4-1: The MCP73213 Flow Chart.155.0 Detailed Description175.1 Undervoltage Lockout (UVLO)175.2 Overvoltage Protection (OVP)175.3 Charge Qualification175.4 Preconditioning175.5 Constant Current Mode - Fast Charge18TABLE 5-1: Resistor Lookup Table185.6 Constant Voltage Mode185.7 Charge Termination185.8 Automatic Recharge185.9 Thermal Regulation19FIGURE 5-1: Thermal Regulation.195.10 Thermal Shutdown195.11 Status Indicator19TABLE 5-2: Status Outputs195.12 Battery Short Protection196.0 Applications21FIGURE 6-1: Typical Application Circuit.21FIGURE 6-2: Typical Charge Profile (875 mAh Li-Ion Battery).216.1 Application Circuit Design22TABLE 6-1: MLCC Capacitor Example226.2 PCB Layout Issues23FIGURE 6-3: Typical Layout (Top).23FIGURE 6-4: Typical Layout (Top Metal).23FIGURE 6-5: Typical Layout (Bottom).237.0 Packaging Information257.1 Package Marking Information25Tamaño: 500 KBPáginas: 34Language: EnglishManuales abiertas
