ZHCSL99G
September 2019 – January 2025
TPS62860
,
TPS62861
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
I2C Interface Timing Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Soft Start
7.3.2
Output Voltage Selection (VSEL) for TPS62860x
7.3.3
Output Voltage Selection (VSEL and I2C)
7.3.4
Undervoltage Lockout (UVLO)
7.3.5
Power Good (PG)
7.3.6
Switch Current Limit and Short Circuit Protection
7.3.7
Thermal Shutdown
7.3.8
Output Voltage Discharge
7.4
Device Functional Modes
7.4.1
Smart Enable and Shutdown (EN)
7.4.2
Forced PWM Operation
7.4.3
Forced PWM Mode During Output Voltage Change
7.4.4
Power Save Mode
7.5
Programming
7.5.1
Serial Interface Description
7.5.2
Standard- and Fast-Mode Protocol
7.5.3
I2C Update Sequence
7.5.4
I2C Register Reset
8
Register Map
8.1
I2C Address Byte
8.2
Register Address Byte
8.3
VOUT Register 1
8.4
VOUT Register 2
8.5
CONTROL Register
8.6
STATUS Register
9
Application and Implementation
9.1
Application Information
9.2
Typical Application, TPS628610
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Output Capacitor Selection
9.2.2.3
Input Capacitor Selection
9.2.3
Application Curves
9.3
Typical Application, TPS628600, TPS62860x
9.3.1
Design Requirements
9.3.2
Detailed Design Procedure
9.3.3
Application Curves
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
第三方产品免责声明
10.2
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
静电放电警告
10.6
术语表
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
特性
运行静态电流 2.3μA
高达 4MHz 的开关频率
1% 的输出电压精度
DVS 输出为
0.4V 至 1.9875V(阶跃为 12.5mV)
通过 I
2
C 用户接口进行调节
输出电压预设
斜坡速度
VSEL 引脚可在工作期间切换输出电压
电源正常状态指示
支持 < 6mm² 的设计尺寸
支持小于 0.6mm 的设计高度
微型 8 引脚 0.35mm 间距 WCSP 封装
经过优化的引脚排列,可支持 0201 元件