SLUSDY5
June 2022
BQ25172
PRODUCTION DATA
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
7.3.1.2
TMR Pin Detection
7.3.1.3
VSET Pin Detection
7.3.1.4
Charger Power Up
7.3.2
Battery Charging Features
7.3.2.1
NiMH Battery Charging Profile
7.3.2.2
Charging Safety Timers
7.3.2.3
Battery Cold, Hot Temperature Qualification (TS Pin)
7.3.3
Status Outputs (STAT)
7.3.3.1
Charging Status Indicator (STAT)
7.3.4
Protection Features
7.3.4.1
Input Overvoltage Protection (VIN OVP)
7.3.4.2
Output Overvoltage Protection (BAT OVP)
7.3.4.3
Output Overcurrent Protection (BAT OCP)
7.3.4.4
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
NiMH Charger Design Example
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
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)
DSG|8
MPDS308C
Thermal pad, mechanical data (Package|Pins)
DSG|8
QFND141I
Orderable Information
slusdy5_oa
slusdy5_pm
7.3.3
Status Outputs
(STAT)