BQ2961_17 Datasheet, PDF (2/33 Pages) Texas Instruments – Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion Batteries with Regulated Output Supply

bq2961, bq2962
SLUSBU5D – NOVEMBER 2013 – REVISED JANUARY 2017
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 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 .................................................. 6
7.5 Electrical Characteristics........................................... 7
7.6 Typical Characteristics .............................................. 9
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 11
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 15
9 Application and Implementation ........................ 18
9.1 Application Information............................................ 18
9.2 Typical Application .................................................. 18
10 Power Supply Recommendations ..................... 22
11 Layout................................................................... 22
11.1 Layout Guidelines ................................................. 22
11.2 Layout Example .................................................... 22
12 Device and Documentation Support ................. 23
12.1 Receiving Notification of Documentation Updates 23
12.2 Community Resources.......................................... 23
12.3 Trademarks ........................................................... 23
12.4 Electrostatic Discharge Caution ............................ 23
12.5 Glossary ................................................................ 23
13 Mechanical, Packaging, and Orderable
Information ........................................................... 23
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (October 2016) to Revision D
Page
• Changed device label from "bq2960xy" to "bq2960" and changed device label from "bq2961xy" to "bq2961/bq2962"
in the Simplified Schematic ................................................................................................................................................... 1
• Separated bq2961 and bq2962 device options into two tables.............................................................................................. 4
• Removed bq296100 preview status. Added bq296215, bq296216, bq296217 device spins to Device Comparison
Table ...................................................................................................................................................................................... 4
• Extended IDD test condition from (V_n-V_n-1) = 3.8V to (V_n-V_n-1) = 2V to 4.15V ....................................................................... 7
• Added VOUT TYP and MAX specification ............................................................................................................................ 7
• Added VREG specification at 500 µA load. Was only specified with 0~1mA range before. ................................................. 8
• Extended IREG MAX specification to 2mA, was 1mA before ............................................................................................... 8
• Changed device label from "bq2960xy" "bq2960" in Application Schematic........................................................................ 15
• Corrected REG capaitor to 0.47uF in the current consumption test circuit, was 0.1uF. ..................................................... 17
• Changed device label from "bq2961xy" to "bq2961/bq2962" in reference schematic. Updated figure title to "bq2961
and bq2962 schematic", was "bq2961 schematic" before.................................................................................................... 19
• Changed device label from "bq2960xy" to "bq2960" in reference schematic ...................................................................... 21
• Changed device label from "bq2961xy" to "bq2961/bq2962". Updated figure title to bq2961 and bq2962 schematic ....... 22
• Added Receiving Notification of Documentation Updates section ...................................................................................... 23
Changes from Revision B (May 2016) to Revision C
Page
• Added bq2962 REG options .................................................................................................................................................. 1
• Changed Part number to bq2960, bq2961, bq2962 to identify each spin family throughout the datasheet ......................... 1
• Added bq296202, bq296203, bq296212, bq296213 .............................................................................................................. 4
• Added bq2962 pinout ............................................................................................................................................................ 5
• Added bq2962 device to Recommened Operating Conditions ............................................................................................. 6
• Extended bq2962 VREG full range condition from 0mA to 2mA, was 0mA to 1mA before .................................................. 8
• Added bq2962 regulator programmable option ................................................................................................................... 11
• Changed figure title to apply to bq2962 family .................................................................................................................... 19
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