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BQ7790502PWR Datasheet(PDF) 2 Page - Texas Instruments |
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BQ7790502PWR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 45 page 2 bq77904, bq77905 SLUSCM3E – JUNE 2016 – REVISED MARCH 2017 www.ti.com Product Folder Links: bq77904 bq77905 Submit Documentation Feedback Copyright © 2016–2017, Texas Instruments Incorporated Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Device Comparison ............................................... 3 6 Pin Configuration and Functions ......................... 4 7 Specifications......................................................... 5 7.1 Absolute Maximum Ratings ...................................... 5 7.2 ESD Ratings.............................................................. 5 7.3 Recommended Operating Conditions ....................... 5 7.4 Thermal Information .................................................. 6 7.5 Electrical Characteristics........................................... 6 7.6 Timing Requirements ................................................ 9 7.7 Typical Characteristics ............................................ 10 8 Detailed Description ............................................ 12 8.1 Overview ................................................................. 12 8.2 Functional Block Diagram ....................................... 13 8.3 Feature Description................................................. 14 8.4 Device Functional Modes........................................ 25 9 Application and Implementation ........................ 26 9.1 Application Information............................................ 26 9.2 Typical Application .................................................. 32 9.3 System Examples ................................................... 36 10 Power Supply Recommendations ..................... 36 11 Layout................................................................... 37 11.1 Layout Guidelines ................................................. 37 11.2 Layout Example .................................................... 37 12 Device and Documentation Support ................. 38 12.1 Documentation Support ....................................... 38 12.2 Receiving Notification of Documentation Updates 38 12.3 Community Resources.......................................... 38 12.4 Trademarks ........................................................... 38 12.5 Electrostatic Discharge Caution ............................ 38 12.6 Glossary ................................................................ 38 13 Mechanical, Packaging, and Orderable Information ........................................................... 38 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision D (March 2017) to Revision E Page • Added bq7790505 to Device Comparison table..................................................................................................................... 3 • Changed UTC(REC) at 5°C typ from 68.8 to 69.73 %VTB. Changed UTC(REC) at 10°C typ from 64.23 to 65.52 %VTB .. 7 Changes from Revision C (February 2017) to Revision D Page • Changed VOTD, VOTD(REC), VOTC, VOTC(REC), VUTD, VUTD(REC), VUTC, VUTC(REC) MIN and MAX specification values................................................................................................................................................................. 6 Changes from Revision B (November 2016) to Revision C Page • Added values in the Thermal Information table to align with JEDEC standards.................................................................... 6 Changes from Revision A (June 2016) to Revision B Page • Changed order of listed items in Features ............................................................................................................................. 1 • Table 1 and Table 2, Changed OTC To: UTC in last column under Temperature. Changed bq7790400 and bq7790503 to production status. Updated bq7790503 configuration .................................................................................... 3 • Changed pin number from 16-pin to 20-pin .......................................................................................................................... 4 • Corrected max value on the UTD at –20°C spec ................................................................................................................... 7 • Changed comparator flow charts with new flow charts ........................................................................................................ 14 • Corrected CTRC and CTRD delay time entries ................................................................................................................... 18 Changes from Original (June 2016) to Revision A Page • Changed the device From: Product Preview To: Production ................................................................................................. 1 |
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