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)
6.12
Typical Characteristics
Figure 1.
R
PPHV
versus Temperature
Figure 3.
V
OC_VBUS
, VBUS Open Circuit Voltage versus PPHV
Figure 2.
V
OC_PPHV
, PPHV Open Circuit Voltage versus VBUS
Figure 4.
VBUS OVP Response with 6-V Threshold