ZHCSKP6A
January 2020 – February 2022
BQ25616
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
6
Device Comparison Table
7
Pin Configuration and 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 Diagram
9.3
Feature Description
9.3.1
Power-On-Reset (POR)
9.3.2
Device Power Up From Battery Without Input Source
9.3.3
Power Up From Input Source
9.3.3.1
Power Up ACFET
9.3.3.2
Power Up REGN LDO
9.3.3.3
Poor Source Qualification
9.3.3.4
Input Source Type Detection (IINDPM Threshold)
9.3.3.4.1
D+/D– Detection Sets Input Current Limit
9.3.3.5
Input Voltage Limit Threshold Setting (VINDPM Threshold)
9.3.3.6
Power Up Converter in Buck Mode
9.3.4
Boost Mode Operation From Battery
9.3.5
Standalone Charger
9.3.6
Power Path Management
9.3.6.1
Narrow VDC Architecture
9.3.6.2
Dynamic Power Management
9.3.6.3
Supplement Mode
9.3.7
Battery Charging Management
9.3.7.1
Autonomous Charging Cycle
9.3.7.2
Battery Charging Profile
9.3.7.3
Charging Termination
9.3.7.4
Thermistor Qualification
9.3.7.4.1
JEITA Guideline Compliance During Charging Mode (BQ25616J)
9.3.7.4.2
Hot/Cold Temperature Window During Charging Mode (BQ25616)
9.3.7.4.3
Boost Mode Thermistor Monitor During Battery Discharge Mode
9.3.7.5
Charging Safety Timer
9.3.8
Status Outputs ( PG, STAT)
9.3.8.1
Power Good Indicator ( PG Pin )
9.3.8.2
Charging Status Indicator (STAT)
9.3.9
Protections
9.3.9.1
Input Current Limit
9.3.9.2
Voltage and Current Monitoring in Buck Mode
9.3.9.2.1
Input Overvoltage Protection (ACOV)
9.3.9.2.2
System Overvoltage Protection (SYSOVP)
9.3.9.3
Voltage and Current Monitoring in Boost Mode
9.3.9.3.1
Boost Mode Overvoltage Protection
9.3.9.4
Thermal Regulation and Thermal Shutdown
9.3.9.4.1
Thermal Protection in Buck Mode
9.3.9.4.2
Thermal Protection in Boost Mode
9.3.9.5
Battery Protection
9.3.9.5.1
Battery Overvoltage Protection (BATOVP)
9.3.9.5.2
Battery Overdischarge Protection
9.3.9.5.3
System Overcurrent Protection
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
BQ25616/616J Application without External OVP
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 and Resistor
10.2.1.2.3
Output Capacitor
10.2.1.3
Application Curves
10.2.2
BQ25616/616J Application with External OVP
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
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
第三方产品免责声明
13.2
Documentation Support
13.2.1
Related Documentation
13.3
接收文档更新通知
13.4
支持资源
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
术语表
14
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RTW|24
MPQF167C
散热焊盘机械数据 (封装 | 引脚)
RTW|24
QFND125K
订购信息
zhcskp6a_oa
zhcskp6a_pm
1
特性
高效 1.5MHz 同步开关模式降压充电器
在 2A 电流(5V 输入)下具有 92% 的充电效率
±0.5%
充电电压调节
通过 VSET 引脚实现的可调节充电电压支持 4.1V、4.2V 和 4.35 V 电压,稳压精度为 ±0.4%
充电电流调节范围为 ±6%
输入电流调节范围为 ±7.5%
支持 JEITA (BQ25616J) 或热/冷 (BQ25616) 温度感应曲线
10 小时充电安全计时器
支持 USB On-The-Go (OTG)
具有高达
1.2
A 输出的
5V
升压转换器
在 1A 输出下具有 92% 的升压效率
精确的恒定电流 (CC) 限制
高达 500µF 容性负载的软启动
用于轻负载运行的 PFM 模式
单个输入,支持 USB 输入以及高电压适配器或无线电源
支持 4V 至 13.5V 输入电压范围,绝对最大输入额定值为 22V
130ns 快速关断输入过压保护
,可选的外部 OVPFET 可承受高达 30V 的输入电压
通过
ILIM 引脚
实现可编程输入电流限制 (IINDPM)
通过 VINDPM 阈值自动跟踪电池电压
,从而实现最大功率
自动检测 USB SDP、CDP、DCP 以及非标准适配器
窄 VDC (NVDC) 电源路径管理
无需电池或使用深度放电的电池即可使系统瞬时启动
低 R
DSON
19.5mΩ BATFET,可更大程度地降低充电损耗和延长电池运行时间
在系统待机时具有 9.5µA 的低电池泄漏电流
高集成度包括所有 MOSFET、电流感应和环路补偿
安全相关认证:
经 IEC 62368-1 CB 认证