SLUSFQ8
December 2024
BQ2969T
PRODUCTION DATA
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
Control / PTC Input Pin, CTL
7.3.1.5
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
CTL / OVERTEMPERATURE Mode
7.4.5
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
8.2.4
CTL for PTC Thermistor Protection
8.2.5
CTL for External OUT Overdrive
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
Package Options
Mechanical Data (Package|Pins)
DSG|8
MPDS308C
Thermal pad, mechanical data (Package|Pins)
DSG|8
QFND141I
Orderable Information
slusfq8_oa
slusfq8_pm
Data Sheet
BQ2969T Overvoltage and Overtemperature Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion Batteries with LDO Output and Control / PTC Input