ZHCSQN0
December 2023
TPS4800-Q1
ADVANCE INFORMATION
1
1
特性
2
应用
3
说明
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
接收文档更新通知
9.2
支持资源
9.3
Trademarks
9.4
静电放电警告
9.5
术语表
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel Information
封装选项
机械数据 (封装 | 引脚)
DGX|19
MPSS147
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsqn0_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