ZHCSAF0E
September 2012 – January 2018
PRODUCTION DATA.
1
特性
2
应用范围
3
说明
典型应用电路
4
修订历史记录
5
说明 (续)
6
Device Comparisons
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
Timing Requirements
8.7
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagrams
9.3
Operational Flow Chart
9.4
Feature Description
9.4.1
Input Voltage Protection
9.4.1.1
Input Overvoltage Protection
9.4.1.2
Bad Adaptor Detection/Rejection
9.4.1.3
Sleep Mode
9.4.1.4
Input Voltage Based DPM (Special Charger Voltage Threshold)
9.4.2
Battery Protection
9.4.2.1
Output Overvoltage Protection
9.4.2.2
Battery Detection at Power Up in DEFAULT Mode
9.4.2.3
Battery Short Protection
9.4.2.4
Battery Detection in Host Mode
9.4.3
DEFAULT Mode
9.4.4
USB Friendly Power Up
9.4.5
Input Current Limiting At Power Up
9.5
Device Functional Modes
9.5.1
Charge Mode Operation
9.5.1.1
Charge Profile
9.5.2
PWM Controller in Charge Mode
9.5.3
Battery Charging Process
9.5.4
Thermal Regulation and Protection
9.5.5
Charge Status Output, STAT Pin
9.5.6
Control Bits in Charge Mode
9.5.6.1
CE Bit (Charge Mode)
9.5.6.2
RESET Bit
9.5.6.3
OPA_Mode Bit
9.5.7
Control Pins in Charge Mode
9.5.7.1
CD Pin (Charge Disable)
9.5.8
BOOST Mode Operation
9.5.8.1
PWM Controller in Boost Mode
9.5.8.2
Boost Start Up
9.5.8.3
PFM Mode at Light Load
9.5.8.4
Protection in Boost Mode
9.5.8.4.1
Output Overvoltage Protection
9.5.8.4.2
Output Overload Protection
9.5.8.4.3
Battery Overvoltage Protection
9.5.8.5
STAT Pin in Boost Mode
9.5.9
High Impedance (Hi-Z) Mode
9.6
Programming
9.6.1
Serial Interface Description
9.6.1.1
F/S Mode Protocol
9.6.1.2
H/S Mode Protocol
9.6.1.3
I2C Update Sequence
9.6.1.4
Slave Address Byte
9.6.1.5
Register Address Byte
9.7
Register Description
10
Application and Implementation
10.1
Application Information
10.1.1
Typical Application
10.1.1.1
Design Requirements
10.1.1.2
Detailed Design Procedure
10.1.2
Charge Current Sensing Resistor Selection Guidelines
10.1.3
Output Inductor and Capacitance Selection Guidelines
10.2
Typical Performance Curves
11
Power Supply Recommendations
11.1
System Load After Sensing Resistor
11.1.1
The Advantages:
11.1.2
Design Requirements and Potential Issues:
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Third-Party Products Disclaimer
13.2
接收文档更新通知
13.3
Community Resources
13.4
商标
13.5
静电放电警告
13.6
Glossary
14
机械、封装和可订购信息
14.1
封装概要
14.1.1
芯片级封装尺寸
封装选项
机械数据 (封装 | 引脚)
YFF|20
MXBG145A
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsaf0e_oa
zhcsaf0e_pm
9.3
Operational Flow Chart
Figure 14.
Operational Flow Chart of bq2415x in Charge Mode