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BQ7790508PW Datasheet(PDF) 2 Page - Texas Instruments |
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BQ7790508PW Datasheet(HTML) 2 Page - Texas Instruments |
2 / 47 page 2 bq77904, bq77905 SLUSCM3G – JUNE 2016 – REVISED SEPTEMBER 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 ............................................... 4 6 Pin Configuration and Functions ......................... 5 7 Specifications......................................................... 6 7.1 Absolute Maximum Ratings ...................................... 6 7.2 ESD Ratings.............................................................. 6 7.3 Recommended Operating Conditions ....................... 6 7.4 Thermal Information .................................................. 7 7.5 Electrical Characteristics........................................... 7 7.6 Timing Requirements .............................................. 10 7.7 Typical Characteristics ............................................ 11 8 Detailed Description ............................................ 13 8.1 Overview ................................................................. 13 8.2 Functional Block Diagram ....................................... 14 8.3 Feature Description................................................. 15 8.4 Device Functional Modes........................................ 26 9 Application and Implementation ........................ 27 9.1 Application Information............................................ 27 9.2 Typical Application .................................................. 33 9.3 System Examples ................................................... 37 10 Power Supply Recommendations ..................... 37 11 Layout................................................................... 38 11.1 Layout Guidelines ................................................. 38 11.2 Layout Example .................................................... 38 12 Device and Documentation Support ................. 39 12.1 Documentation Support ....................................... 39 12.2 Receiving Notification of Documentation Updates 39 12.3 Community Resources.......................................... 39 12.4 Trademarks ........................................................... 39 12.5 Electrostatic Discharge Caution ............................ 39 12.6 Glossary ................................................................ 39 13 Mechanical, Packaging, and Orderable Information ........................................................... 39 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision F (May 2017) to Revision G Page • Added bq7790511 and bq7790512 to Device Comparison table........................................................................................... 4 Changes from Revision E (March 2017) to Revision F Page • Changed bq7790400 setting: OV delay from 1s to 2s. UV from 2800mV to 2200mV, UV delay from 1s to 2s, UV Hyst from 200 to 400mV, UV load recovery from N to Y. OCD2 from 80mV to 60mV, OCD2 delay from 700 to 350ms. SCD from 160mV to 100mV. ..................................................................................................................................... 4 • Added bq7790508 and bq7790509 to Device Comparison table........................................................................................... 4 Changes from Revision D (March 2017) to Revision E Page • Added bq7790505 to Device Comparison table..................................................................................................................... 4 • 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 .. 8 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................................................................................................................................................................. 7 Changes from Revision B (November 2016) to Revision C Page • Added values in the Thermal Information table to align with JEDEC standards.................................................................... 7 |
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