SLUSF40
October 2024
BQ25190
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
Precharge
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
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
System Short Protection
7.3.8.3
Battery Depletion Protection
7.3.8.3.1
Battery Undervoltage Lockout
7.3.8.4
Battery Overcurrent Protection
7.3.8.5
Safety Timer and Watchdog Timer
7.3.8.6
Buck Overcurrent Protection
7.3.8.7
LDO Overcurrent Protection
7.3.8.8
Buck-Boost Overcurrent Protection
7.3.8.9
Buck-Boost Output Short-Circuit Protection
7.3.8.10
Buck/Buck-Boost/LDO Undervoltage Lockout
7.3.8.11
Sequence Undervoltage Lockout
7.3.8.12
Thermal Protection and Thermal Regulation
7.3.9
Integrated 12-Bit ADC for Monitoring
7.3.9.1
ADC Programmable Comparators
7.3.10
Pushbutton Wake and Reset Input
7.3.10.1
Pushbutton Short Button Press or Wake Functions
7.3.10.2
Pushbutton Long Button Press Functions
7.3.11
VIN Pulse Detection for Hardware Reset
7.3.12
15-Second VIN Watchdog for Hardware Reset
7.3.13
Hardware Reset
7.3.14
Software Reset
7.3.15
Interrupt to Host (INT)
7.3.16
External NTC Monitoring (TS)
7.3.16.1
TS Thresholds
7.3.17
Power Rail Power Sequence
7.3.17.1
Power-Up Sequence
7.3.17.2
Power-Down Sequence
7.3.18
Integrated Buck Converter (Buck)
7.3.19
Integrated Buck-Boost Converter (Buck-boost)
7.3.20
Integrated LDOs (LDO1/LDO2)
7.3.21
Multi-Function GPIOs
7.3.21.1
GPIO1 Functions
7.3.21.2
GPIO2 Functions
7.3.21.3
GPIO3 Functions
7.3.21.4
GPIO4 Functions
7.4
Device Functional Modes
7.4.1
Ship Mode
7.4.1.1
LDO1-ON Ship Mode
7.4.2
Battery Mode
7.4.3
Adapter Mode
7.5
Programming
7.5.1
Serial Interface
7.5.1.1
Data Validity
7.5.1.2
START and STOP Conditions
7.5.1.3
Byte Format
7.5.1.4
Acknowledge (ACK) and Not Acknowledge (NACK)
7.5.1.5
Target Address and Data Direction Bit
7.5.1.6
Single Write and Read
7.5.1.7
Multi-Write and Multi-Read
7.6
Register Maps
7.6.1
BQ25190 Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Capacitor Selection
8.2.2.2
Output Capacitor Selection
8.2.2.3
Inductor Selection
8.2.2.4
Recommended Passive Components
8.2.3
Application Performance Plots
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
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
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|30
サーマルパッド・メカニカル・データ
発注情報
slusf40_oa
Data Sheet
BQ25190 I
2
C Controlled 1-Cell, 1A, Linear Battery Charger with Integrated Buck-Boost, DVS Buck, LDOs, ADC, and Power Path