JAJSJN2D
November 2007 – October 2020
TPS2041B-Q1
,
TPS2042B-Q1
,
TPS2051B-Q1
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
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
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Power Switch
8.3.2
Charge Pump
8.3.3
Driver
8.3.4
Enable ( ENx)
8.3.5
Enable (EN)
8.3.6
Overcurrent ( OCx)
8.3.7
Current Sense
8.3.8
Thermal Sense
8.3.9
Undervoltage Lockout (UVLO)
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
Universal Serial Bus (USB) Applications
9.2
Typical Applications
9.2.1
TPS2042B-Q1 Typical Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Overcurrent
9.2.1.2.2
OC Response
9.2.1.3
Application Curves
9.2.2
Hosts and Self-Powered Hubs and Bus-Powered Hubs
9.2.2.1
Design Requirements
9.2.2.1.1
USB Power-Distribution Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Low-Power Bus-Powered and High-Power Bus-Powered Functions
9.2.3
Generic Hot-Plug Applications
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Related Links
12.2
ドキュメントの更新通知を受け取る方法
12.3
サポート・リソース
12.4
Trademarks
12.5
静電気放電に関する注意事項
12.6
用語集
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DBV|5
MPDS018T
サーマルパッド・メカニカル・データ
発注情報
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8.2
Functional Block Diagrams
A.
CS = Current sense
B.
EN = Active low (
EN
) for TPS2041B-Q1; Active high (EN) for TPS2051B-Q1
Figure 8-1
Functional Block Diagram (TPS2041B-Q1 and TPS2051B-Q1)
A.
CS = Current sense
Figure 8-2
Functional Block Diagram (TPS2042B-Q1)