JAJSK58C
january 2022 – december 2022
TPS4811-Q1
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Charge Pump and Gate Driver output (VS, PU, PD, BST, SRC)
9.3.2
Capacitive Load Driving
9.3.2.1
FET Gate Slew Rate Control
9.3.2.2
Using Precharge FET - (with TPS48111-Q1 Only)
9.3.3
Overcurrent and Short-Circuit Protection
9.3.3.1
Overcurrent Protection With Auto-Retry
9.3.3.2
Overcurrent Protection With Latch-Off
9.3.4
Short-Circuit Protection
9.3.5
Analog Current Monitor Output (IMON)
9.3.6
Overvoltage (OV) and Undervoltage Protection (UVLO)
9.3.7
Device Functional Mode (Shutdown Mode)
9.3.8
Remote Temperature sensing and Protection (DIODE)
9.3.9
Output Reverse Polarity Protection
9.3.10
TPS4811x-Q1 as a Simple Gate Driver
10
Application and Implementation
10.1
Application Information
10.2
Typical Application: Driving HVAC PTC Heater Load on KL40 Line in Power Distribution Unit
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curves
10.3
Typical Application: Driving B2B FETs With Pre-charging the Output Capacitance
10.3.1
Design Requirements
10.3.2
External Component Selection
10.3.3
Application Curves
10.4
Power Supply Recommendations
10.5
Layout
10.5.1
Layout Guidelines
10.5.2
Layout Example
11
Device and Documentation Support
11.1
ドキュメントの更新通知を受け取る方法
11.2
サポート・リソース
11.3
Trademarks
11.4
静電気放電に関する注意事項
11.5
用語集
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)
DGX|19
MPSS147
サーマルパッド・メカニカル・データ
発注情報
jajsk58c_oa
jajsk58c_pm
10.3.3
Application Curves
Figure 10-15
Pre-charge Profile of the Output Capacitance (VIN = 48 V, C
OUT
= 440 μF, No Load)
Figure 10-17
IMON Response During 40-A Load Step
Figure 10-16
Overcurrent Response of TPS48111-Q1 for a Load Step from 24 A to 54 A With 50-A Overcurrent Protection Setting