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DRV8402DKD

更新时间： 2024-09-19 06:54:35
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
18页 1791K
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Dual Full Bridge PWM Motor Driver

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DRV8402DKD 数据手册

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DRV8402  
www.ti.com ........................................................................................................................................................................................... SLES222–DECEMBER 2008  
Dual Full Bridge PWM Motor Driver  
The DRV8402 can operate at up to 500 kHz  
switching frequency while still maintains precise  
1
FEATURES  
•
•
•
High-Efficiency Power Stage (up to 96%) with  
Low RDS(on) MOSFETs (80 mΩ at TJ = 25°C)  
control and high efficiency. It also has an innovative  
protection system integrated on-chip, safeguarding  
the device against a wide range of fault conditions  
that could damage the system. These safeguards are  
short-circuit protection, overcurrent protection,  
undervoltage protection, and two-stage thermal  
protection. The DRV8402 has a current-limiting circuit  
that prevents device shutdown during load transients  
such as motor start-up. A programmable overcurrent  
detector allows adjustable current limit and protection  
level to meet different motor requirements.  
Operating Supply Voltage up to 50 V  
(65 V Absolute Maximum)  
10 A Continuous Output Current and 24 A  
Peak Current per Device  
•
•
•
PWM Operating Frequency up to 500 kHz  
Integrated Self-Protection Circuits  
Programmable Cycle-by-Cycle Current Limit  
Protection  
The DRV8402 has unique independent supply and  
ground pins for each half bridge, which makes it  
possible to provide current measurement through  
external shunt resistor and support multiple motors  
with different power supply voltage requirements.  
•
•
•
•
Independent Supply and Ground Pins for Each  
Half Bridge  
Intelligent Gate Drive and Cross Conduction  
Prevention  
No External Snubber or Schottky Diode is  
Required  
Simplified Application Diagram  
Thermally Enhanced DKD (36-pin PSOP3)  
Package  
APPLICATIONS  
•
DC and Brushless DC Motors  
•
Three Phase Permanent Magnet Synchronous  
Motors  
•
•
•
•
Robotic and Haptic Control System  
Actuators and Pumps  
Precision Instruments  
TEC Drivers  
DESCRIPTION  
The DRV8402 is a high performance, integrated dual  
full bridge motor driver with an advanced protection  
system. Because of the low RDS(on) and intelligent  
gate drive design, the efficiency of this motor driver  
can be up to 96%, which enables the use of smaller  
power supplies and heatsinks, and is  
a good  
candidate for energy efficient applications. This  
device requires two power supplies, one at 12 V for  
GVDD and VDD, and one up to 50 V for PVDD. The  
DRV8402 is capable of driving 5 A continuous RMS  
current and 12 A peak current per full bridge with low  
idle power dissipation. It can also be used for up to  
10 A continuous current and 24 A peak current in  
parallel full bridge operation.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2008, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...18

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DRV8402DKD 替代型号

型号 品牌 替代类型 描述 数据表
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