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A2550KLPTR-T PDF预览

A2550KLPTR-T

更新时间: 2024-01-22 11:57:41
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器稳压器继电器
页数 文件大小 规格书
16页 550K
描述
Relay Driver with 5 V Regulator for Automotive Applications

A2550KLPTR-T 技术参数

是否Rohs认证: 符合生命周期:Active
Reach Compliance Code:Yes风险等级:5.77
Base Number Matches:1是否无铅: 未知
额定电流:3A额定电压:300V
Minimum Temp:-40℃Maximum Temp:105℃
触点电阻:5m? Max.介电耐压:1100V AC/minute
端子节距:2.54mm联系完成终止:
触点材料:originPNs:487406-4,487117-8

A2550KLPTR-T 数据手册

 浏览型号A2550KLPTR-T的Datasheet PDF文件第2页浏览型号A2550KLPTR-T的Datasheet PDF文件第3页浏览型号A2550KLPTR-T的Datasheet PDF文件第4页浏览型号A2550KLPTR-T的Datasheet PDF文件第5页浏览型号A2550KLPTR-T的Datasheet PDF文件第6页浏览型号A2550KLPTR-T的Datasheet PDF文件第7页 
A2550  
Relay Driver with 5V Regulator  
for Automotive Applications  
Features and Benefits  
Description  
Three independent low-side DMOS output drivers  
Short-circuit protection of drivers  
Eliminates need for flyback diodes on relays  
Thermal shutdown  
Large numbers of relay-based applications require the use of a  
microprocessor which implements complex system control. In  
these systems, there is the need for microprocessor logic supply  
voltage,power-onresetcircuitry,andwatchdogcapabilities.The  
Allegro® A2550 combines the functions of voltage regulator,  
watchdog, and reset, as well as three low-side DMOS relay  
driver outputs. Primarily targeted at automotive applications,  
thisICisdesignedtoproviderobustperformanceoverextended  
voltage and temperature ranges.  
Separate precision 5 V regulator (2%)  
Current clamp on 5 V regulator  
16-pin TSSOP package with exposed thermal pad  
Programmable reset (NPOR) delay time  
Programmable watchdog  
Automotive voltage and temperature ranges  
Active clamps for automotive load dump specifications  
Lead (Pb) free  
Three low-side DMOS drivers can drive inductive loads, such  
as relay coils. Each driver integrates rugged voltage clamps  
which survive automotive load dump pulses up to 48 V. The  
40 V rating on VBB also ensures adequate survival in harsh  
automotive environments.  
Package: 16 pin TSSOP (suffix LP) with  
exposed pad  
A 5 V linear regulator provides 40 mA of output current, with  
a tolerance of 2% over the operating temperature range. To  
enhance the usefulness of the IC in automotive applications,  
the 5 V regulator output, as well as the three low-side driver  
outputs are protected against overcurrent conditions.  
Continued on the next page…  
Approximate Scale  
Typical Application  
1
16  
15  
14  
13  
12  
11  
10  
9
IN1  
2
OUT1  
OUT2  
OUT3  
PGND  
CWD  
Relays or other  
inductive loads  
IN2  
3
4
5
6
7
8
System  
Logic  
A2550  
IN3  
LGND  
NPOR  
WDI  
CPOR  
ENBAT  
VBB  
EN  
VREG5  
0.47 μF  
X7R  
2550-DS  

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