JAJSKU9B
December 2022 – February 2024
BQ25628
,
BQ25629
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
概要 (続き)
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Power-On-Reset (POR)
8.3.2
Device Power Up from Battery
8.3.3
Device Power Up from Input Source
8.3.3.1
REGN LDO Power Up
8.3.3.2
Poor Source Qualification
8.3.3.3
D+/D– Detection Sets Input Current Limit (BQ25629)
8.3.3.4
ILIM Pin (BQ25628 Only)
8.3.3.5
Input Voltage Limit Threshold Setting (VINDPM Threshold)
8.3.3.6
Converter Power-Up
8.3.4
Power Path Management
8.3.4.1
Narrow VDC Architecture
8.3.4.2
Dynamic Power Management
8.3.4.3
High Impedance Mode
8.3.5
Battery Charging Management
8.3.5.1
Autonomous Charging Cycle
8.3.5.2
Battery Charging Profile
8.3.5.3
Charging Termination
8.3.5.4
Thermistor Qualification
8.3.5.4.1
Advanced Temperature Profile in Charge Mode
8.3.5.4.2
TS Pin Thermistor Configuration
8.3.5.4.3
Cold/Hot Temperature Window in OTG Mode
8.3.5.4.4
JEITA Charge Rate Scaling
8.3.5.4.5
TS_BIAS Pin
8.3.5.5
Charging Safety Timers
8.3.6
USB On-The-Go (OTG)
8.3.6.1
Boost OTG Mode
8.3.6.2
Bypass OTG Mode
8.3.6.3
PMID Voltage Indicator (PMID_GD)
8.3.7
Integrated 12-Bit ADC for Monitoring
8.3.8
Status Outputs ( STAT, INT)
8.3.8.1
Interrupts and Status, Flag and Mask Bits
8.3.8.2
Charging Status Indicator (STAT)
8.3.8.3
Interrupt to Host ( INT)
8.3.9
BATFET Control
8.3.9.1
Shutdown Mode
8.3.9.2
Ship Mode
8.3.9.3
System Power Reset
8.3.10
Protections
8.3.10.1
Voltage and Current Monitoring in Battery Only and HIZ Modes
8.3.10.1.1
Battery Undervoltage Lockout
8.3.10.1.2
Battery Overcurrent Protection
8.3.10.2
Voltage and Current Monitoring in Buck Mode
8.3.10.2.1
Input Overvoltage
8.3.10.2.2
System Overvoltage Protection (SYSOVP)
8.3.10.2.3
Forward Converter Cycle-by-Cycle Current Limit
8.3.10.2.4
System Short
8.3.10.2.5
Battery Overvoltage Protection (BATOVP)
8.3.10.2.6
Sleep and Poor Source Comparators
8.3.10.2.7
PMID OVP and VBUS Overcurrent
8.3.10.3
Voltage and Current Monitoring in Boost Mode
8.3.10.3.1
Boost Mode Overvoltage Protection
8.3.10.3.2
Boost Mode Duty Cycle Protection
8.3.10.3.3
Boost Mode PMID Undervoltage Protection
8.3.10.3.4
Boost Mode Battery Undervoltage
8.3.10.3.5
Boost Converter Cycle-by-Cycle Current Limit
8.3.10.3.6
Boost Mode SYS Short
8.3.10.4
Voltage and Current Monitoring in Bypass Mode
8.3.10.4.1
Bypass Mode Overvoltage Protection
8.3.10.4.2
Bypass Mode Battery OCP
8.3.10.4.3
Bypass Mode Reverse-Current Protection
8.3.10.4.4
Bypass Mode Battery Undervoltage
8.3.10.4.5
Bypass Mode SYS Short
8.3.10.4.6
Bypass Mode REGN Fault
8.3.10.5
Thermal Regulation and Thermal Shutdown
8.3.10.5.1
Thermal Protection in Buck Mode
8.3.10.5.2
Thermal Protection in Boost Mode
8.3.10.5.3
Thermal Protection in Battery-Only Mode
8.4
Device Functional Modes
8.4.1
Host Mode and Default Mode
8.4.2
Register Bit Reset
8.5
Programming
8.5.1
Serial Interface
8.5.1.1
Data Validity
8.5.1.2
START and STOP Conditions
8.5.1.3
Byte Format
8.5.1.4
Acknowledge (ACK) and Not Acknowledge (NACK)
8.5.1.5
Target Address and Data Direction Bit
8.5.1.6
Single Write and Read
8.5.1.7
Multi-Write and Multi-Read
8.6
Register Maps
8.6.1
Register Programming
8.6.2
BQ25628 Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Input Capacitor
9.2.2.3
Output Capacitor
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
サード・パーティ製品に関する免責事項
12.2
Documentation Support
12.2.1
Related Documentation
12.3
ドキュメントの更新通知を受け取る方法
12.4
サポート・リソース
12.5
Trademarks
12.6
静電気放電に関する注意事項
12.7
用語集
13
Revision History
14
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RYK|18
MPQF634
サーマルパッド・メカニカル・データ
発注情報
jajsku9b_oa
jajsku9b_pm
8
Detailed Description