SLUSAK9B
September 2011 – April 2015
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
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
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Adapter Detect and ACOK Output
9.3.2
Adapter Overvoltage (ACOVP)
9.3.3
System Power Selection
9.3.4
Automatic Internal Soft-Start Charger Current
9.3.5
Converter Operation
9.3.6
Input Overcurrent Protection (ACOC)
9.3.7
Charge Overcurrent Protection (CHGOCP)
9.3.8
Battery Overvoltage Protection (BATOVP)
9.3.9
Battery Shorted to Ground (BATLOWV)
9.3.10
Thermal Shutdown Protection (TSHUT)
9.3.11
Inductor Short, MOSFET Short Protection
9.4
Device Functional Modes
9.4.1
Enable and Disable Charging
9.4.2
Continuous Conduction Mode (CCM)
9.4.3
Discontinuous Conduction Mode (DCM)
9.5
Programming
9.5.1
SMBus Interface
9.5.2
Battery LEARN Cycle
9.5.3
Charge Time-out
9.5.4
High-Accuracy Current-Sense Amplifier
9.5.5
EMI Switching Frequency Adjust
9.6
Register Maps
9.6.1
Battery-Charger Commands
9.6.2
Setting Charger Options
9.6.3
Charge Options Register [reset = 0x12H]
9.6.4
Setting the Charge Current
9.6.5
Setting the Charge Voltage
9.6.6
Setting Input Current
9.6.7
Support Turbo Boost Function
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
Negative Output Voltage Protection
10.2.2.2
Reverse Input Voltage Protection
10.2.2.3
Reduce Battery Quiescent Current
10.2.2.4
Inductor Selection
10.2.2.5
Input Capacitor
10.2.2.6
Output Capacitor
10.2.2.7
Power MOSFETs Selection
10.2.2.8
Input Filter Design
10.2.2.9
bq24735 Design Guideline
10.2.3
Application Curves
10.3
System Examples
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
Third-Party Products Disclaimer
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Trademarks
13.4
Electrostatic Discharge Caution
13.5
Glossary
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)
RGR|20
MPQF239A
サーマルパッド・メカニカル・データ
RGR|20
QFND242E
発注情報
slusak9b_oa
slusak9b_pm
8 Parameter Measurement Information
Figure 11. SMBus Communication Timing Waveforms