JAJSOQ0
December 2023
TPS4800-Q1
ADVANCE INFORMATION
1
1
特長
2
アプリケーション
3
概要
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Charge Pump and Gate Driver Output (VS, PU, PD, BST, SRC)
7.3.2
Capacitive Load Driving Using FET Gate (PU, PD) Slew Rate Control
7.3.3
Short-Circuit Protection
7.3.3.1
Short-Circuit Protection With Auto-Retry
7.3.3.2
Short-Circuit Protection With Latch-Off
7.3.4
Overvoltage (OV) and Undervoltage Protection (UVLO)
7.3.5
Reverse Polarity Protection
7.3.6
Short-Circuit Protection Diagnosis (SCP_TEST)
7.3.7
TPS48000-Q1 as a Simple Gate Driver
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Application Limitations
8.1.1.1
Short-Circuit Protection Delay
8.1.1.2
Short-Circuit Protection Threshold
8.2
Typical Application: Driving Power at all Times (PAAT) Loads
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
ドキュメントの更新通知を受け取る方法
9.2
サポート・リソース
9.3
Trademarks
9.4
静電気放電に関する注意事項
9.5
用語集
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel 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
jajsoq0_oa
8.2.3
Application Curves
Figure 8-2
Start-Up Profile of Bootstrap Voltage with INP = GND and C
BST
= 470 nF
Figure 8-4
Turn-ON Response of TPS48000-Q1 for INP -> LOW to HIGH and C
BST
= 470 nF
Figure 8-6
Overcurrent Response of TPS48000-Q1 for a Load Step from 12 A to 18 A with 15-A Shortcircuit Protection Setting and t
sc
= 1 ms
Figure 8-8
Latch-Off Response of TPS48000-Q1 for an Overcurrent Fault
Figure 8-10
Overvoltage Cutoff Response of TPS48000-Q1 at 58-V Level
Figure 8-3
Start-Up Profile of Bootstrap Voltage with INP = HIGH and C
BST
= 470 nF
Figure 8-5
Turn-OFF Response of TPS48000-Q1 for INP -> HIGH to LOW and C
BST
= 470 nF
Figure 8-7
Auto-Retry Response of TPS48000-Q1 for an Overcurrent Fault
Figure 8-9
Output Short-Circuit Response of TPS48000-Q1 Device with 15-A Shortcircuit Protection Setting and TMR = OPEN
Figure 8-11
Short-Circuit Protection Diagnosis Test Response of TPS48000-Q1