A89503
80 V Automotive Half-Bridge MOSFET Driver
Table of Contents
Gate Drive Control .......................................................... 18
Logic Control Inputs ........................................................ 19
Output Disable................................................................ 19
Sleep Mode.................................................................... 19
Current Sense Amplifier................................................... 20
Diagnostic Monitors......................................................... 20
DIAG Output .................................................................. 20
Status and Diagnostic Registers ....................................... 21
Chip-Level Protection ...................................................... 21
Operational Monitors....................................................... 22
Power Bridge and Load Faults.......................................... 23
Fault Action.................................................................... 26
Fault Masks ................................................................... 27
Serial Interface................................................................ 28
Configuration Registers ................................................... 30
Stop On Fault Register .................................................... 30
Diagnostic Registers ....................................................... 30
Control Register.............................................................. 30
Status Register............................................................... 31
Serial Register Reference............................................... 32
Application Information ................................................... 40
Bootstrap Capacitor Selection .......................................... 40
Bootstrap Charging ......................................................... 40
VREG Capacitor Selection............................................... 40
Current Sense Amplifier Configuration............................... 41
Current Sense Amplifier Output Signals ............................. 41
Input/Output Structures................................................... 42
Layout Recommendations.............................................. 43
Package Outline Drawing ............................................... 44
Features and Benefits....................................................... 1
Description........................................................................ 1
Package............................................................................ 1
Typical Application ............................................................ 1
Selection Guide................................................................. 2
Absolute Maximum Ratings.............................................. 2
Thermal Characteristics.................................................... 2
Pinout Diagram and Terminal List Table ........................... 4
Functional Block Diagram................................................. 5
Electrical Characteristics................................................... 6
Supply and Reference ....................................................... 6
Gate Output Drive............................................................. 7
Logic Inputs and Outputs ................................................... 8
Logic I/O – Dynamic Parameters......................................... 8
Current Sense Amplifier..................................................... 9
Diagnostics and Protection............................................... 10
Timing Diagrams............................................................. 12
Logic Truth Tables........................................................... 14
Functional Description .................................................... 15
Input and Output Terminal Functions ................................. 15
Power Supplies............................................................... 16
Pump Regulator.............................................................. 16
Gate Drives.................................................................... 16
Operational Configurations............................................... 16
Bootstrap Supply ............................................................ 17
Bootstrap Charge Cycle Considerations............................. 17
Top-Off Charge Pump...................................................... 17
High-Side Gate Drive....................................................... 17
Low-Side Gate Drive ....................................................... 18
Gate Drive Passive Pull-Down.......................................... 18
3
Allegro MicroSystems
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
5秒后页面跳转
LF353数据手册解读：特性、应用、封装、引脚说明、电气参数及替换型号推荐
A4950资料手册解读：特性、应用、封装、引脚功能、电气参数及代换型号
一文带你解读74HC244资料手册：特性、应用场景、封装方式、引脚配置说明、电气参数、推荐替代型号
AD623资料手册解读：特性、应用、封装、引脚功能及电气参数
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
