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BQ77216xx Voltage and Temperature Protection for 3-Series to 16-Series Cell Li-Ion Batteries with Internal Delay Timer
SLUSE36K
July 2021 – April 2025
BQ77216
PRODUCTION DATA
CONTENTS
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BQ77216xx Voltage and Temperature Protection for 3-Series to 16-Series Cell Li-Ion Batteries with Internal Delay Timer
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
DC Characteristics
6.6
Timing Requirements
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Voltage Fault Detection
7.3.2
Open-Wire Fault Detection
7.3.3
Temperature Fault Detection
7.3.4
Oscillator Health Check
7.3.5
Sense Positive Input for Vx
7.3.6
Output Drive, COUT and DOUT
7.3.7
The LATCH Function
7.3.8
Supply Input, VDD
7.4
Device Functional Modes
7.4.1
NORMAL Mode
7.4.2
FAULT Mode
7.4.3
Customer Test Mode
8
Application and Implementation
8.1
Application Information
8.1.1
Design Requirements
8.1.2
Detailed Design Procedure
8.1.2.1
Cell Connection Sequence
8.2
Systems Example
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)
PW|24
MPDS363A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
SLUSE36K_pm
sluse36k_oa
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Data Sheet
BQ77216xx
Voltage and Temperature Protection for 3-Series to 16-Series Cell Li-Ion Batteries with Internal Delay Timer