SLUSF68
july 2023
BQ25173-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Device Power Up from Input Source
7.3.1.1
ISET Pin Detection
7.3.2
Supercapacitor Regulation Voltage
7.3.3
Supercapacitor Charging Profile
7.3.4
Status Outputs (PG, STAT)
7.3.4.1
Power Good Indicator (PG Pin)
7.3.4.2
Charging Status Indicator (STAT)
7.3.5
Protection Features
7.3.5.1
Input Overvoltage Protection (VIN OVP)
7.3.5.2
Output Overcurrent Protection (OUT OCP)
7.3.5.3
Thermal Regulation and Thermal Shutdown (TREG and TSHUT)
7.4
Device Functional Modes
7.4.1
Shutdown or Undervoltage Lockout (UVLO)
7.4.2
Sleep Mode
7.4.3
Active Mode
7.4.3.1
Standby Mode
7.4.4
Fault Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
1s Supercapacitor Charger Design Example
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
4s Supercapacitor Charger Design Example
8.2.2.1
Design Requirements
8.2.2.2
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
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
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND652
Orderable Information
slusf68_oa
slusf68_pm
Data Sheet
BQ25173-Q1 Automotive, Standalone 800-mA Linear Battery Charger for 1- to 4-Cell Supercapacitor