JAJSKH0C
April 2023 – February 2024
TPS274C65
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Device Comparison Table
5
Pin Configuration and Functions
7
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
SPI Timing Requirements
6.8
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 Diagrams
8.3.2
SPI Mode Operation
8.3.2.1
Diagnostic Bit Behavior
8.3.3
Programmable Current Limit
8.3.3.1
Inrush Current Handling
8.3.4
DO_EN Feature
8.3.5
Protection Mechanisms
8.3.5.1
Overcurrent Protection
8.3.5.2
Short Circuit Protection
8.3.5.2.1
VS During Short-to-Ground
8.3.5.3
Inductive-Load Switching-Off Clamp
8.3.5.4
Inductive Load Demagnetization
8.3.5.5
Thermal Shutdown
8.3.5.6
Undervoltage protection on VS
8.3.5.7
Undervoltage Lockout on Low Voltage Supply (VDD_UVLO)
8.3.5.8
Power-Up and Power-Down Behavior
8.3.5.9
Reverse Current Blocking
8.3.6
Diagnostic Mechanisms
8.3.6.1
Current Sense
8.3.6.1.1
RSNS Value
8.3.6.1.1.1
SNS Output Filter
8.3.6.2
Fault Indication
8.3.6.2.1
Current Limit Behavior
8.3.6.3
Short-to-Battery and Open-Load Detection
8.3.6.4
On-State Wire-Break Detection
8.3.6.5
Off State Wire-Break Detection
8.3.6.6
ADC
8.3.7
LED Driver
8.4
Device Functional Modes
8.4.1
OFF/POR
8.4.2
INIT
8.4.3
Active
8.5
TPS274C65BS Available Registers List
8.6
TPS274C65 Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
IEC 61000-4-5 Surge
9.2.2.2
Loss of GND
9.2.2.3
Paralleling Channels
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
ドキュメントの更新通知を受け取る方法
10.2
サポート・リソース
10.3
Trademarks
10.4
静電気放電に関する注意事項
10.5
用語集
11
Revision History
12
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)
RHA|40
MPQF135D
サーマルパッド・メカニカル・データ
RHA|40
QFND047R
発注情報
jajskh0c_oa
jajskh0c_pm
9.4.2
Layout Example
Figure 9-4
Layout Example