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BQ2969 Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion Batteries with Regulated Output Supply
SLUSF53
August 2024
BQ2969
PRODUCTION DATA
CONTENTS
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BQ2969 Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion Batteries with Regulated Output Supply
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Pin Details
7.3.1.1
Input Sense Voltage, Vx
7.3.1.2
Output Drive, OUT
7.3.1.3
Supply Input, VDD
7.3.1.4
Regulated Supply Output, REG
7.3.2
Overvoltage Sensing for OUT
7.3.3
Regulator Output Voltage
7.4
Device Functional Modes
7.4.1
NORMAL Mode
7.4.2
OVERVOLTAGE Mode
7.4.3
UNDERVOLTAGE Mode
7.4.4
CUSTOMER TEST MODE
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DSG|8
MPDS308C
Thermal pad, mechanical data (Package|Pins)
DSG|8
QFND141I
Orderable Information
slusf53_oa
slusf53_pm
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