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
1
特性
借助高效直流/直流升压转换器/充电器可实现超低功耗
从低压输入源进行持续能量收集:V
IN
≥ 130mV(典型值)
超低静态电流:I
Q
< 330nA(典型值)
冷启动电压:V
IN
≥ 600mV(典型值)
可编程动态最大功率点跟踪 (MPPT)
集成动态最大功率点跟踪功能,可实现对各种能量生成源的最优能量采集
输入电压调节功能,可防止对输入源造成损坏
能量存储
能量可存储到可重复充电的锂离子电池、薄膜电池、超级电容器或传统电容器中
电池充电和保护
用户可编程的欠压和过压电平
具有可编程过热关断功能的片上温度传感器
电池状态输出
电池正常输出引脚
可编程的阈值和迟滞
功率损耗待定、随附报警功能的微控制器
可用于启用或禁用系统负载