JAJSFD9B
July 2015 – May 2018
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
概略回路図
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin 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
Functional Block Diagram
8.2
Feature Description
8.2.1
Device Power-On-Reset (POR)
8.2.2
Device Power Up from Battery without Input Source
8.2.3
Device Power Up from Input Source
8.2.3.1
Power Up REGN Regulation (LDO)
8.2.3.2
Poor Source Qualification
8.2.3.3
Input Source Type Detection
8.2.3.3.1
D+/D– Detection Sets Input Current Limit
8.2.3.3.2
Force Input Current Limit Detection
8.2.3.4
Input Voltage Limit Threshold Setting (VINDPM Threshold)
8.2.3.5
Converter Power-Up
8.2.4
Input Current Optimizer (ICO)
8.2.5
Boost Mode Operation from Battery
8.2.6
Power Path Management
8.2.6.1
Narrow VDC Architecture
8.2.6.2
Dynamic Power Management
8.2.6.3
Supplement Mode
8.2.7
Battery Charging Management
8.2.7.1
Autonomous Charging Cycle
8.2.7.2
Battery Charging Profile
8.2.7.3
Charging Termination
8.2.7.4
Resistance Compensation (IRCOMP)
8.2.7.5
Thermistor Qualification
8.2.7.5.1
Cold/Hot Temperature Window in Charge Mode
8.2.7.5.2
Cold/Hot Temperature Window in Boost Mode
8.2.7.6
Charging Safety Timer
8.2.8
Battery Monitor
8.2.9
Status Outputs (STAT, and INT)
8.2.9.1
Charging Status Indicator (STAT)
8.2.9.2
Interrupt to Host (INT)
8.2.10
BATET (Q4) Control
8.2.10.1
BATFET Disable Mode (Shipping Mode)
8.2.10.2
BATFET Enable (Exit Shipping Mode)
8.2.10.3
BATFET Full System Reset
8.2.11
Current Pulse Control Protocol
8.2.12
Input Current Limit on ILIM
8.2.13
Thermal Regulation and Thermal Shutdown
8.2.13.1
Thermal Protection in Buck Mode
8.2.13.2
Thermal Protection in Boost Mode
8.2.14
Voltage and Current Monitoring in Buck and Boost Mode
8.2.14.1
Voltage and Current Monitoring in Buck Mode
8.2.14.1.1
Input Overvoltage (ACOV)
8.2.14.1.2
System Overvoltage Protection (SYSOVP)
8.2.14.2
Current Monitoring in Boost Mode
8.2.14.2.1
Boost Mode Overvoltage Protection
8.2.15
Battery Protection
8.2.15.1
Battery Overvoltage Protection (BATOVP)
8.2.15.2
Battery Over-Discharge Protection
8.2.15.3
System Overcurrent Protection
8.2.16
Serial Interface
8.2.16.1
Data Validity
8.2.16.2
START and STOP Conditions
8.2.16.3
Byte Format
8.2.16.4
Acknowledge (ACK) and Not Acknowledge (NACK)
8.2.16.5
Slave Address and Data Direction Bit
8.2.16.6
Single Read and Write
8.2.16.7
Multi-Read and Multi-Write
8.3
Device Functional Modes
8.3.1
Host Mode and Default Mode
8.4
Register Maps
8.4.1
REG00
Table 8.
REG00
8.4.2
REG01
Table 9.
REG01
8.4.3
REG02
Table 10.
REG02
8.4.4
REG03
Table 11.
REG03
8.4.5
REG04
Table 12.
REG04
8.4.6
REG05
Table 13.
REG05
8.4.7
REG06
Table 14.
REG06
8.4.8
REG07
Table 15.
REG07
8.4.9
REG08
Table 16.
REG08
8.4.10
REG09
Table 17.
REG09
8.4.11
REG0A
Table 18.
REG0A
8.4.12
REG0B
Table 19.
REG0B
8.4.13
REG0C
Table 20.
REG0C
8.4.14
REG0D
Table 21.
REG0D
8.4.15
REG0E
Table 22.
REG0E
8.4.16
REG0F
Table 23.
REG0F
8.4.17
REG10
Table 24.
REG10
8.4.18
REG11
Table 25.
REG11
8.4.19
REG12
Table 26.
REG12
8.4.20
REG13
Table 27.
REG13
8.4.21
REG14
Table 28.
REG14
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
Custom Design With WEBENCH® Tools
9.2.2.2
Inductor Selection
9.2.2.3
Buck Input Capacitor
9.2.2.4
System Output Capacitor
9.2.3
Application Curves
9.3
System Examples
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
デバイスおよびドキュメントのサポート
12.1
ドキュメントのサポート
12.1.1
WEBENCH®ツールによるカスタム設計
12.1.2
関連資料
12.2
ドキュメントの更新通知を受け取る方法
12.3
コミュニティ・リソース
12.4
商標
12.5
静電気放電に関する注意事項
12.6
Glossary
13
メカニカル、パッケージ、および注文情報
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)
RTW|24
MPQF167C
サーマルパッド・メカニカル・データ
RTW|24
QFND125K
発注情報
jajsfd9b_oa
jajsfd9b_pm
9.2
Typical Application
Figure 47.
bq25895M with D+/D- Interface and 2.4 A Boost Mode Output