SLUSB15K
September 2012 – June 2026
BQ2947
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
External Delay Capacitor, CD
7.4
Device Functional Modes
7.4.1
Normal Mode
7.4.2
Overvoltage Mode
7.4.3
Customer Test Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Application Configuration for Active High
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
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
slusb15k_oa
slusb15k_pm
Data Sheet
BQ2947 Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries
With External Delay Capacitor