National Semiconductor BQ2026 User Manual

National Semiconductor BQ2026 User Manual Manual pdf 1 page image

User's GuideSLUU763A – December 2011 – Revised November 2015bq2026 Evaluation SoftwareThe purpose of the bq2026 evaluation board and the bq2026EVM evaluation software is to demonstratethe functionality of the bq2026. The bq2026 evaluation board supports both the bq2026DBZR (SOT23-3)and bq2026LPR (TO-92) packages but only one package can be evaluated/programmed at any time.The bq2026 is a 1.5K-bit serial EPROM containing a factory-programmed, unique 48-bit identificationnumber, 8-bit family code, and a 64-bit status register.The bq2026 is ideal for applications such as battery pack configuration parameters, record maintenance,asset tracking, product revision status, and access-code security.Contents1 Kit Contents................................................................................................................... 22 bq2026-Based Circuit Module.............................................................................................. 22.1 Test Points........................................................................................................... 23 bq2026EVM Circuit Module Schematic ................................................................................... 24 bq2026EVM Circuit Module Physical Layouts ........................................................................... 35 bq2026EVM Circuit Module Bill of Materials ............................................................................. 56 bq2026EVM Circuit Module Performance Specification Summary.................................................... 67 bq2026EVM Hardware and Software Setup ............................................................................. 67.1 Drivers and Software Installation` ................................................................................ 67.2 Hardware Connection .............................................................................................. 68 Software Operation .......................................................................................................... 78.1 Evaluation Software Pages........................................................................................ 78.2 ROM CMD ........................................................................................................... 78.3 DATA ................................................................................................................. 8List of Figures1 bq2026EVM Schematic ..................................................................................................... 22 bq2026EVM Silk Screen .................................................................................................... 33 bq2026EVM Top Assembly ................................................................................................ 44 bq2026EVM Top Layer ..................................................................................................... 45 bq2026EVM Bottom Layer.................................................................................................. 56 ROM CMD Page ............................................................................................................. 87 DATA Page ................................................................................................................... 9List of Tables1 Test Points.................................................................................................................... 22 Bill of Materials ............................................................................................................... 53 Performance Specification Summary ..................................................................................... 64 Wire Connection ............................................................................................................. 71SLUU763A – December 2011 – Revised November 2015 bq2026 Evaluation SoftwareSubmit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated