JAJSEZ2B
December 2015 – March 2018
TPS4H000-Q1
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
代表的なアプリケーションの回路図
可変電流制限による容量性負荷の駆動
4
改訂履歴
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Switching Characteristics
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Pin Current and Voltage Conventions
8.3.2
Accurate Current Sense
8.3.3
Adjustable Current Limit
8.3.4
Inductive-Load Switching-Off Clamp
8.3.5
Fault Detection and Reporting
8.3.5.1
Diagnostic Enable Function
8.3.5.2
Multiplexing of Current Sense
8.3.5.3
Fault Table
8.3.5.4
STx and FAULT Reporting
8.3.6
Full Diagnostics
8.3.6.1
Short-to-GND and Overload Detection
8.3.6.2
Open-Load Detection
8.3.6.2.1
Channel On
8.3.6.2.2
Channel Off
8.3.6.3
Short-to-Battery Detection
8.3.6.4
Reverse Polarity Detection
8.3.6.5
Thermal Fault Detection
8.3.6.5.1
Thermal Shutdown
8.3.7
Full Protections
8.3.7.1
UVLO Protection
8.3.7.2
Loss-of-GND Protection
8.3.7.3
Protection for Loss of Power Supply
8.3.7.4
Reverse-Current Protection
8.3.7.5
MCU I/O Protection
8.4
Device Functional Modes
8.4.1
Working Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
11.2.1
Without a GND Network
11.2.2
With a GND Network
12
デバイスおよびドキュメントのサポート
12.1
ドキュメントの更新通知を受け取る方法
12.2
コミュニティ・リソース
12.3
商標
12.4
静電気放電に関する注意事項
12.5
Glossary
13
メカニカル、パッケージ、および注文情報
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)
PWP|20
MHTS001G
サーマルパッド・メカニカル・データ
PWP|20
PPTD027Z
発注情報
jajsez2b_oa
jajsez2b_pm
7.7
Typical Characteristics
Figure 5.
UVLO Voltage Threshold
Figure 7.
DIAG_EN Voltage Threshold
Figure 9.
Body-Diode Forward Voltage
Figure 11.
Channel-1 FET On-Resistance
Figure 13.
Channel-3 FET On-Resistance
Figure 15.
Current-Sense Ratio at 5 mA
Figure 17.
Current-Sense Ratio at 50 mA
Figure 19.
Current-Limit Ratio at 50 mA
Figure 21.
Current-Limit Ratio at 200 mA
Figure 6.
INx Voltage Threshold
A
Figure 8.
SEL and SEH Voltage Thresholds
Figure 10.
Drain-to-Source Clamp Voltage
Figure 12.
Channel-2 FET On-Resistance
Figure 14.
Channel-4 FET On-Resistance
Figure 16.
Current-Sense Ratio at 25 mA
Figure 18.
Current-Sense Ratio at 100 mA
Figure 20.
Current-Limit Ratio at 100 mA
Figure 22.
Current-Limit Ratio at 500 mA