ZHCSIJ0B
July 2018 – February 2022
BQ25601D
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 REGN Regulation
9.3.3.2
Poor Source Qualification
9.3.3.3
Input Source Type Detection
9.3.3.3.1
D+/D– Detection Sets Input Current Limit in BQ25601D
9.3.3.4
Input Voltage Limit Threshold Setting (VINDPM Threshold)
9.3.3.5
Converter Power-Up
9.3.4
Boost Mode Operation From Battery
9.3.5
Host Mode and Standalone Power Management
9.3.5.1
Host Mode and Default Mode in BQ25601D
9.3.6
Power Path Management
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
9.3.7.5
JEITA Guideline Compliance During Charging Mode
9.3.7.6
Boost Mode Thermistor Monitor During Battery Discharge Mode
9.3.7.7
Charging Safety Timer
9.4
Device Functional Modes
9.4.1
Narrow VDC Architecture
9.4.2
Dynamic Power Management
9.4.3
Supplement Mode
9.4.4
Shipping Mode and QON Pin
9.4.4.1
BATFET Disable Mode (Shipping Mode)
9.4.4.2
BATFET Enable (Exit Shipping Mode)
9.4.4.3
BATFET Full System Reset
9.4.4.4
QON Pin Operations
9.4.5
Status Outputs ( PG, STAT, INT )
9.4.5.1
Power Good Indicator ( PGPin PG_STAT Bit)
9.4.5.2
Charging Status indicator (STAT)
9.4.5.3
Interrupt to Host ( INT)
9.5
Protections
9.5.1
Voltage and Current Monitoring in Converter Operation
9.5.1.1
Voltage and Current Monitoring in Buck Mode
9.5.1.1.1
Input Overvoltage (ACOV)
9.5.1.1.2
System Overvoltage Protection (SYSOVP)
9.5.2
Voltage and Current Monitoring in Boost Mode
9.5.2.1
VBUS Soft Start
9.5.2.2
VBUS Output Protection
9.5.2.3
Boost Mode Overvoltage Protection
9.5.3
Thermal Regulation and Thermal Shutdown
9.5.3.1
Thermal Protection in Buck Mode
9.5.3.2
Thermal Protection in Boost Mode
9.5.4
Battery Protection
9.5.4.1
Battery Overvoltage Protection (BATOVP)
9.5.4.2
Battery Over-Discharge Protection
9.5.4.3
System Over-Current Protection
9.6
Programming
9.6.1
Serial Interface
9.6.1.1
Data Validity
9.6.1.2
START and STOP Conditions
9.6.1.3
Byte Format
9.6.1.4
Acknowledge (ACK) and Not Acknowledge (NACK)
9.6.1.5
Slave Address and Data Direction Bit
9.6.1.6
Single Read and Write
9.6.1.7
Multi-Read and Multi-Write
9.7
Register Maps
9.7.1
REG00 (address = 00) [reset = 00010111]
9.7.2
REG01 (address = 01) [reset = 00011010]
9.7.3
REG02 (address = 02) [reset = 10100 010]
9.7.4
REG03 (address = 03) [reset = 001 0001 0]
9.7.5
REG04 (address = 04) [reset = 01011000]
9.7.6
REG05 (address = 05) [reset = 10011111]
9.7.7
REG06 (address = 06) [reset = 01100110]
9.7.8
REG07 (address = 07) [reset = 01001100]
9.7.9
REG08 (address = 08) [reset = xxxxxxxx]
9.7.10
REG09 (address = 09) [reset = xxxxxxxx]
9.7.11
REG0A (address = 0A) [reset = xxxxxx00]
9.7.12
REG0B (address = 0B) [reset = 00111xxx]
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方米6体育平台手机版_好二三四免责声明
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
术语表
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
针对 USB 电压输入 (5V) 进行了优化
用于轻负载运行的可选低功耗脉冲频率调制 (PFM) 模式
支持 USB On-The-Go (OTG)
具有高达
1.2
A 输出的升压转换器
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
输出短路保护
用于轻负载运行的可选低功耗 PFM 模式
单个输入,支持 USB 输入和高电压适配器
支持 3.9V 至 13.5V 输入电压范围,绝对最大输入电压额定值为 22V
可编程输入电流限制(100mA 至
3.2
A,分辨率为 100mA),支持 USB 2.0、USB 3.0 标准和高电压适配器 (IINDPM)
通过高达
5.4V
的输入电压限制 (VINDPM) 进行最大功率跟踪
VINDPM 阈值自动跟踪电池电压
自动检测 USB BC1.2、SDP、CDP、DCP 以及非标准适配器
高电池放电效率,电池放电 MOSFET 为 19.5mΩ
窄 VDC (NVDC) 电源路径管理
无需电池或深度放电的电池即可瞬时启动
电池充电模式下实现理想的二极管运行
BATFET 控制,支持运输模式、唤醒和完全系统复位
灵活的自主和 I
2
C 模式,可实现出色的系统性能
高集成度包括所有 MOSFET、电流感测和环路补偿
17µA 低电池泄漏电流
高精度
±0.5% 充电电压调节
±5%
1.5
A 充电电流调节
±10% 0.9A 输入电流调节
安全相关认证:
TUV IEC 62368 认证
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