JAJSQV1A
July 2023 – October 2023
TPS7H2140-SEP
PRODUCTION DATA
1
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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
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
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-Input 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
8.3.8
Parallel Operation
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
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Examples
9.4.2.1
Without a GND Network
9.4.2.2
With a GND Network
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
ドキュメントの更新通知を受け取る方法
10.3
サポート・リソース
10.4
Trademarks
10.5
静電気放電に関する注意事項
10.6
用語集
11
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)
PWP|28
MPDS373B
サーマルパッド・メカニカル・データ
PWP|28
PPTD351
発注情報
jajsqv1a_oa
6.7
Typical Characteristics
V
IN
= 12 V
Figure 6-1
ENx Voltage Threshold
V
IN
= 12 V
Figure 6-3
DIAG_EN Voltage Threshold
Figure 6-5
SEH Voltage Threshold vs V
IN
Figure 6-7
Drain-to-Source Clamp Voltage
I
OUT2
= 490 mA
Figure 6-9
Channel-2 FET On-Resistance
I
OUT4
= 490 mA
Figure 6-11
Channel-4 FET On-Resistance
Figure 6-13
Current-Sense Ratio at 25 mA
Figure 6-15
Current-Sense Ratio at 100 mA
Figure 6-2
EN1 Voltage Threshold vs V
IN
V
IN
= 12 V
Figure 6-4
SEH,SEL Voltage Threshold
I
Fx
= 150 mA
Figure 6-6
Body-Diode Forward Voltage
I
OUT1
= 490 mA
Figure 6-8
Channel-1 FET On-Resistance
I
OUT3
= 490 mA
Figure 6-10
Channel-3 FET On-Resistance
Figure 6-12
Current-Sense Ratio at 5 mA
Figure 6-14
Current-Sense Ratio at 50 mA
Figure 6-16
Current-Sense Ratio at 500 mA