ZHCSK61B
August 2019 – December 2019
TPS66120
,
TPS66121
PRODUCTION DATA.
1
特性
2
应用
3
说明
功能表
TPS6612x 方框图
4
修订历史记录
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Recommended Supply Load Capacitance
6.5
Thermal Information
6.6
PPHV Power Switch Characteristics
6.7
Power Path Supervisory
6.8
VBUS LDO Characteristics
6.9
Thermal Shutdown Characteristics
6.10
Input-output (I/O) Characteristics
6.11
Power Consumption Characteristics
6.12
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
20-V Sink (PPHV Power Path)
7.3.1.1
PPHV Soft Start
7.3.1.2
PPHV Reverse Current Protection (RCP)
7.3.2
Overtemperature Protection
7.3.3
VBUS Overvoltage Protection (OVP)
7.3.4
Power Management and Supervisory
7.3.4.1
Supply Connections
7.3.4.2
Power Up Sequences
7.3.4.2.1
Normal Power Up
7.3.4.2.2
Dead Battery Operation
7.4
Device Functional Modes
7.4.1
State Transitions
7.4.1.1
DISABLED State
7.4.1.2
SNK State
7.4.2
SNK FAULT State
7.4.3
Device Functional Mode Summary
7.4.4
Enabling the PPHV Sink Path
7.4.5
Faults
7.4.5.1
Fault Types
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
External VLDO Capacitor (CVLDO)
8.2.2.2
PPHV, VBUS Power Path Capacitance
8.2.2.3
VBUS TVS Protection (Optional)
8.2.2.4
VBUS Schottky Diode Protection (Optional)
8.2.2.5
VBUS Overvoltage Protection (Optional)
8.2.2.6
Dead Battery Support
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
相关链接
11.2
接收文档更新通知
11.3
支持资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
YBG|28
MXBG433
散热焊盘机械数据 (封装 | 引脚)
1
特性
集成 22mΩ(典型值),32V 耐压 NFET 4V 至 22V 灌电流路径,高达 5A
内置软启动可限制浪涌电流
集成高电压 VBUS LDO 稳压器(每种器件类型为 3.3V 或 5.0V)
通过引脚配置的可选 VBUS 过压保护。
系统电源和 VBUS 欠压保护
过热保护
反向电流保护
具有抗尖峰脉冲故障报告功能的故障引脚
小型 WCSP 封装,无需 HDI。