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BQ25176J: 800-mA JEITA-Compliant Linear Battery Charger For 1-Cell Li-Ion and LiFePO4 With VINDPM
SLUSF72
October 2023
BQ25176J
PRODUCTION DATA
CONTENTS
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BQ25176J: 800-mA JEITA-Compliant Linear Battery Charger For 1-Cell Li-Ion and LiFePO4 With VINDPM
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
7.3.1.2
VSET Pin Detection
7.3.1.3
Charger Power Up
7.3.2
Battery Charging Features
7.3.2.1
Lithium-Ion Battery Charging Profile
7.3.2.2
Input Voltage Based Dynamic Power Management (VINDPM)
7.3.2.3
Charge Termination and Battery Recharge
7.3.2.4
Charging Safety Timers
7.3.2.5
Battery Temperature Qualification (TS Pin)
7.3.3
Status Outputs ( PG, STAT)
7.3.3.1
Power Good Indicator (PG Pin)
7.3.3.2
Charging Status Indicator (STAT)
7.3.4
Protection Features
7.3.4.1
Input Overvoltage Protection (VIN_OV)
7.3.4.2
Output Overvoltage Protection (VOUT_OVP)
7.3.4.3
Output Overcurrent Protection (IOUT_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
Li-Ion 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
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DSG|8
MPDS308C
Thermal pad, mechanical data (Package|Pins)
DSG|8
QFND141I
Orderable Information
slusf72_oa
slusf72_pm
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Data Sheet
BQ25176J: 800-mA JEITA-Compliant Linear Battery Charger For 1-Cell Li-Ion and LiFePO
4
With VINDPM