JAJSJR6A
december 2020 – august 2023
BQ25157
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
6
Device Key Default Settings
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements
8.7
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Linear Charger and Power Path
9.3.1.1
Battery Charging Process
9.3.1.1.1
Pre-Charge
9.3.1.1.2
Fast Charge
9.3.1.1.3
Pre-Charge to Fast Charge Transitions and Charge Current Ramping
9.3.1.1.4
Termination
9.3.1.2
JEITA and Battery Temperature Dependent Charging
9.3.1.3
Input Voltage Based Dynamic Power Management (VINDPM) and Dynamic Power Path Management (DPPM)
9.3.1.4
Battery Supplement Mode
9.3.2
Protection Mechanisms
9.3.2.1
Input Over-Voltage Protection
9.3.2.2
Safety Timer and I2C Watchdog Timer
9.3.2.3
Thermal Protection and Thermal Charge Current Foldback
9.3.2.4
Battery Short and Over Current Protection
9.3.2.5
PMID Short Circuit
9.3.3
ADC
9.3.3.1
ADC Operation in Active Battery Mode and Low Power Mode
9.3.3.2
ADC Operation When VIN Present
9.3.3.3
ADC Measurements
9.3.3.4
ADC Programmable Comparators
9.3.4
VDD LDO
9.3.5
Load Switch/LDO Output and Control
9.3.6
PMID Power Control
9.3.7
MR Wake and Reset Input
9.3.7.1
MR Wake or Short Button Press Functions
9.3.7.2
MR Reset or Long Button Press Functions
9.3.8
14-Second Watchdog for HW Reset
9.3.9
Faults Conditions and Interrupts ( INT)
9.3.9.1
Flags and Fault Condition Response
9.3.10
Power Good ( PG) Pin
9.3.11
External NTC Monitoring (TS)
9.3.11.1
TS Thresholds
9.3.12
External NTC Monitoring (ADCIN)
9.3.13
I2C Interface
9.3.13.1
F/S Mode Protocol
9.4
Device Functional Modes
9.4.1
Ship Mode
9.4.2
Low Power
9.4.3
Active Battery
9.4.4
Charger/Adapter Mode
9.4.5
Power-Up/Down Sequencing
9.5
Register Map
9.5.1
I2C Registers
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Input (IN/PMID) Capacitors
10.2.2.2
VDD, LDO Input and Output Capacitors
10.2.2.3
TS
10.2.2.4
Recommended Passive Components
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
サード・パーティ製品に関する免責事項
13.2
Documentation Support
13.2.1
Related Documentation
13.3
ドキュメントの更新通知を受け取る方法
13.4
サポート・リソース
13.5
静電気放電に関する注意事項
13.6
Trademarks
13.7
用語集
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)
YFP|20
MXBG090K
サーマルパッド・メカニカル・データ
発注情報
jajsjr6a_oa
jajsjr6a_pm
2
アプリケーション
ヘッドセット
、
イヤホン
、
補聴器
スマートウォッチ
、
スマート・トラッカー
ウェアラブル・フィットネスおよびアクティビティ・モニタ
血糖値モニタ