SLUSFR2
November 2024
BQ21088
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Description (continued)
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Thermal Information
6.4
Recommended Operating Conditions
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.1.1
Battery Charging Process
7.1.1.1
Trickle Charge
7.1.1.2
Pre-Charge
7.1.1.3
Fast Charge
7.1.1.4
Termination
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Voltage Based Dynamic Power Management (VINDPM)
7.3.2
Dynamic Power Path Management Mode (DPPM)
7.3.3
Battery Supplement Mode
7.3.4
Sleep Mode
7.3.5
SYS Power Control (SYS_MODE bit control)
7.3.5.1
SYS Pulldown Control
7.3.6
SYS Regulation
7.3.7
ILIM Control
7.3.8
Protection Mechanisms
7.3.8.1
Input Overvoltage Protection
7.3.8.2
Battery Undervoltage Lockout
7.3.8.3
Battery Overcurrent Protection
7.3.8.4
System Overvoltage Protection
7.3.8.5
System Short Protection
7.3.8.6
Thermal Protection and Thermal Regulation
7.3.8.7
Safety Timer and Watchdog Timer
7.3.9
Pushbutton Wake and Reset Input
7.3.9.1
Pushbutton Wake or Short Button Press Functions
7.3.9.2
Pushbutton Reset or Long Button Press Functions
7.3.10
15-Second Timeout for HW Reset
7.3.11
Hardware Reset
7.3.12
Software Reset
7.3.13
Interrupt Indicator (/INT) Pin
7.3.14
External NTC Monitoring (TS)
7.3.14.1
TS Biasing and Function
7.3.15
I2C Interface
7.3.15.1
F/S Mode Protocol
7.4
Device Functional Modes
7.5
Register Maps
7.5.1
I2C Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Application
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.4
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
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
YBG|8
サーマルパッド・メカニカル・データ
発注情報
slusfr2_oa
slusfr2_pm
7.5
Register Maps