This chapter contains general information that will be useful to know before using the MCP1640 Single Quadruple-A Battery Boost Converter Reference Design. Items discussed in this chapter include: • Document Layout • Conventions Used in this Guide • Recommended Reading • The Microchip Web Site • Customer Support • Document Revision History MCP1640 Single Quadruple-A Battery Boost Converter Reference Design 2010-2011 Microchip Technology Inc. DS51922B Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using th……