ZHCS015G
october 2011 – august 2023
BQ25504
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
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
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Maximum Power Point Tracking
8.3.2
Battery Undervoltage Protection
8.3.3
Battery Overvoltage Protection
8.3.4
Battery Voltage in Operating Range (VBAT_OK Output)
8.3.5
Nano-Power Management and Efficiency
8.4
Device Functional Modes
8.4.1
Cold-Start Operation (VSTOR < VSTOR_CHGEN, VIN_DC > VIN(CS) and PIN > PIN(CS))
8.4.2
Main Boost Charger Enabled (VSTOR > VSTOR_CHGEN, VIN_DC > VIN(DC) and EN = LOW )
8.4.3
Thermal Shutdown
9
Application and Implementation
9.1
Application Information
9.1.1
Storage Element Selection
9.1.2
Inductor Selection
9.1.3
Capacitor Selection
9.1.3.1
VREF_SAMP Capacitance
9.1.3.2
VIN_DC Capacitance
9.1.3.3
VSTOR Capacitance
9.1.3.4
Additional Capacitance on VSTOR or VBAT
9.2
Typical Applications
9.2.1
Solar Application Circuit
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
TEG Application Circuit
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
9.2.3
MPPT Disabled, Low Impedance Source Application Circuit
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
第三方产品免责声明
12.1.2
Zip Files
12.2
Documentation Support
12.2.1
Related Documentation
12.3
接收文档更新通知
12.4
支持资源
12.5
Trademarks
12.6
静电放电警告
12.7
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RGT|16
MPQF119H
散热焊盘机械数据 (封装 | 引脚)
RGT|16
QFND098S
订购信息
zhcs015g_oa
zhcs015g_pm
Data Sheet
BQ25504 适用于能量收集应用且具有电池管理功能的超低功耗升压转换器