JAJS436D
December 2009 – December 2019
BQ24610
,
BQ24617
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
4
改訂履歴
5
概要(続き)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin 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
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Battery Voltage Regulation
9.3.2
Battery Current Regulation
9.3.3
Input Adapter Current Regulation
9.3.4
Precharge
9.3.5
Charge Termination, Recharge, and Safety Timer
9.3.6
Power Up
9.3.7
Enable and Disable Charging
9.3.8
System Power Selector
9.3.9
Automatic Internal Soft-Start Charger Current
9.3.10
Converter Operation
9.3.11
Synchronous and Nonsynchronous Operation
9.3.12
Cycle-by-Cycle Charge Undercurrent Protection
9.3.13
Input Overvoltage Protection (ACOV)
9.3.14
Input Undervoltage Lockout (UVLO)
9.3.15
Battery Overvoltage Protection
9.3.16
Cycle-by-Cycle Charge Overcurrent Protection
9.3.17
Thermal Shutdown Protection
9.3.18
Temperature Qualification
9.3.19
Timer Fault Recovery
9.3.20
PG Output
9.3.21
CE (Charge Enable)
9.3.22
Charge Status Outputs
9.3.23
Battery Detection
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
System with Power Path
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Inductor Selection
10.2.1.2.2
Input Capacitor
10.2.1.2.3
Output Capacitor
10.2.1.2.4
Power MOSFETs Selection
10.2.1.2.5
Input Filter Design
10.2.1.2.6
Inductor, Capacitor, and Sense Resistor Selection Guidelines
10.2.1.3
Application Curves
10.2.2
Simplified System without Power Path or DPM
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
10.2.3
Lead-Acid Charging System
10.2.3.1
Design Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
デバイスおよびドキュメントのサポート
13.1
デバイス・サポート
13.1.1
デベロッパー・ネットワークの製品に関する免責事項
13.2
関連リンク
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
商標
13.6
静電気放電に関する注意事項
13.7
Glossary
14
メカニカル、パッケージ、および注文情報
10.2.1.3
Application Curves
V
IN
: 19 V
V
BAT
: 12 V
I
CHG
= 4 A
Figure 22.
Continuous Conduction Mode Switching Waveform
V
IN
: 19 V
V
BAT
: 12 V
Figure 23.
Battery Charging Soft Start