Data SheetTable of Contents1.0 Electrical Characteristics62.0 Typical Performance Curves8FIGURE 2-1: Input Quiescent Current vs. Input Voltage.8FIGURE 2-2: Input Quiescent Current vs. Input Voltage.8FIGURE 2-3: Error Amplifier Frequency Response.8FIGURE 2-4: Error Amplifier Input Bias Current vs. Input Voltage.8FIGURE 2-5: Error Amplifier Sink Current vs. Input Voltage.8FIGURE 2-6: Error Amplifier Source Current vs. Input Voltage.8FIGURE 2-7: VEXT Rise Time vs. Input Voltage.9FIGURE 2-8: VEXT Fall Time vs. Input Voltage.9FIGURE 2-9: Current Sense to VEXT Delay vs. Input Voltage (MCP1630).9FIGURE 2-10: Current Sense Clamp Voltage vs. Input Voltage (MCP1630).9FIGURE 2-11: Undervoltage Lockout vs. Temperature.9FIGURE 2-12: EXT Output N-channel RDSON vs. Input Voltage.9FIGURE 2-13: EXT Output P-channel RDSON vs. Input Voltage.10FIGURE 2-14: Error Amplifier Input Offset Voltage vs. Input Voltage.10FIGURE 2-15: Error Amplifier Input Offset Voltage vs. Input Voltage.10FIGURE 2-16: Current Sense Common Mode Input Voltage Range vs. Input Voltage (MCP1630V).10FIGURE 2-17: Current Sense to VEXT Delay vs. Input Voltage (MCP1630V).103.0 MCP1630 Pin Descriptions11TABLE 3-1: pin function table113.1 Error Amplifier Output Pin (COMP)113.2 Error Amplifier Inverting Input (FB)113.3 Current Sensing Input (CS)113.4 Oscillator Input (OSC)113.5 Ground (GND)113.6 External Driver Output Pin (VEXT)113.7 Input Bias Pin (VIN)113.8 Reference Voltage Input (VREF)114.0 Detailed Description124.1 Device Overview124.2 PWM124.3 Normal Cycle by Cycle Control124.4 Error Amp/Comparator Current Limit Function124.5 0% Duty Cycle Operation124.6 Undervoltage Lockout (UVLO)134.7 Overtemperature Protection13FIGURE 4-1: Cycle-by-Cycle Timing Diagram (MCP1630).14FIGURE 4-2: Cycle-by-Cycle Timing Diagram (MCP1630V).155.0 Application Circuits/Issues165.1 Typical Applications165.2 NiMH Battery Charger Application165.3 Bidirectional Power Converter165.4 Multiple Output Converters166.0 Packaging Information176.1 Package Marking Information17Corporate Office26Atlanta26Boston26Chicago26Cleveland26Fax: 216-447-064326Dallas26Detroit26Indianapolis26Toronto26Fax: 852-2401-343126Australia - Sydney26China - Beijing26China - Shanghai26India - Bangalore26Korea - Daegu26Korea - Seoul26Singapore26Taiwan - Taipei26Fax: 43-7242-2244-39326Denmark - Copenhagen26France - Paris26Germany - Munich26Italy - Milan26Spain - Madrid26UK - Wokingham26Worldwide Sales and Service26Size: 345 KBPages: 26Language: EnglishOpen manual
User ManualTable of ContentsPreface5Introduction5Document Layout5Conventions Used in this Guide6Recommended Reading6The Microchip Web Site7Customer Support7Document Revision History7Chapter 1. Product Overview91.1 Introduction91.2 What is the MCP1630V Bidirectional 4 Cell Li-Ion Charger Reference Design?101.3 What the MCP1630V Bidirectional 4 Cell Li-Ion Charger Reference Design kit includes10Chapter 2. Installation and Operation112.4 Introduction112.5 Features112.6 Getting Started12Appendix A. Schematics and Board Layouts15A.1 Introduction15A.2 Schematic - Sheet 116A.3 Schematic - Sheet 217A.4 Board – Top Silk Layer18A.5 Board – Top Metal Layer19A.6 Board – Mid Layer120A.7 Board – Mid Layer221A.8 Board – Metal Layer22A.9 Board – Bottom Silk Layer23Appendix B. Bill Of Materials (BOM)25Appendix C. Firmware27C.1 Device Firmware - Flowchart27C.2 Device Firmware - Flowchart (Continued)28Worldwide Sales and Service30Size: 1.06 MBPages: 30Language: EnglishOpen manual
