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BQ32002DR Datasheet(PDF) 2 Page - Texas Instruments

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Part # BQ32002DR
Description  BQ32002 Real-Time Clock (RTC)
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

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BQ32002
SLUSA96B – AUGUST 2010 – REVISED APRIL 2016
www.ti.com
Product Folder Links: BQ32002
Submit Documentation Feedback
Copyright © 2010–2016, Texas Instruments Incorporated
Table of Contents
1
Features .................................................................. 1
2
Applications ........................................................... 1
3
Description ............................................................. 1
4
Revision History..................................................... 2
5
Pin Configuration and Functions ......................... 3
6
Specifications......................................................... 4
6.1
Absolute Maximum Ratings ..................................... 4
6.2
ESD Ratings.............................................................. 4
6.3
Recommended Operating Conditions ....................... 4
6.4
Thermal Information .................................................. 4
6.5
Electrical Characteristics........................................... 5
6.6
Timing Requirements ................................................ 6
6.7
Typical Characteristics .............................................. 6
7
Detailed Description .............................................. 7
7.1
Overview ................................................................... 7
7.2
Functional Block Diagram ......................................... 7
7.3
Feature Description................................................... 7
7.4
Device Functional Modes........................................ 10
7.5
Programming........................................................... 10
7.6
Register Maps ......................................................... 12
8
Application and Implementation ........................ 19
8.1
Application Information............................................ 19
8.2
Typical Application .................................................. 19
9
Power Supply Recommendations ...................... 21
10
Layout................................................................... 21
10.1
Layout Guidelines ................................................. 21
10.2
Layout Example .................................................... 21
11
Device and Documentation Support ................. 22
11.1
Community Resources.......................................... 22
11.2
Trademarks ........................................................... 22
11.3
Electrostatic Discharge Caution ............................ 22
11.4
Glossary ................................................................ 22
12
Mechanical, Packaging, and Orderable
Information ........................................................... 22
4 Revision History
Changes from Revision A (December 2010) to Revision B
Page
Added Pin Configuration and Functions section, ESD Ratings section, Thermal Information section, Detailed
Description section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable
Information section ................................................................................................................................................................ 1
Deleted Trickle Charge Pump from Functional Block Diagram/Application Circuit ............................................................... 1
Changed Crystal series resistance maximum from 40 k
Ω to 70 kΩ in Recommended Operating Conditions ...................... 4
Added Recommended Operating Conditions table note (1) Crystal load capacitance ±10% is allowed. ............................. 4


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