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A4950KLJTR-T PDF预览

A4950KLJTR-T

更新时间: 2024-02-12 23:57:55
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器
页数 文件大小 规格书
9页 231K
描述
Full-Bridge DMOS PWM Motor Driver

A4950KLJTR-T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:HLSOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.63
模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLERJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:3功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:3.5 A
封装主体材料:PLASTIC/EPOXY封装代码:HLSOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.7 mm
最大供电电压 (Vsup):40 V最小供电电压 (Vsup):8 V
标称供电电压 (Vsup):1 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

A4950KLJTR-T 数据手册

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A4950  
Full-Bridge DMOS PWM Motor Driver  
Description  
Features and Benefits  
• Low RDS(on) outputs  
Designed for pulse width modulated (PWM) control of DC  
motors, theA4950 is capable of peak output currents to ±3.5A  
and operating voltages to 40 V.  
• Overcurrent protection (OCP)  
Motor short protection  
Motor lead short to ground protection  
Motor lead short to battery protection  
• Low Power Standby mode  
Inputterminalsareprovidedforuseincontrollingthespeedand  
direction of a DC motor with externally applied PWM control  
signals. Internal synchronous rectification control circuitry is  
provided to lower power dissipation during PWM operation.  
• Adjustable PWM current limit  
• Synchronous rectification  
• Internal undervoltage lockout (UVLO)  
• Crossover-current protection  
• A4950K is AEC-Q100 Grade 1 qualified  
• Commercial temperature grade (A4950E: –40°C to 85°C )  
• Automotive temperature grade (A4950K: –40°C to 125°C)  
Internal circuit protection includes overcurrent protection,  
motor lead short to ground or supply, thermal shutdown with  
hysteresis, undervoltage monitoring of VBB, and crossover-  
current protection.  
For high ambient operating temperature applications, an  
automotive grade device is offered (A4950K). The K grade  
device is tested across extended temperature and voltage  
ranges to ensure compliance in automotive or industrial  
applications.  
Package: 8-pin SOICN with exposed  
thermal pad (suffix LJ)  
TheA4950 is provided in a low-profile 8-pin SOICN package  
withexposedthermalpad(suffixLJ)thatislead(Pb)free, with  
100% matte tin leadframe plating.  
Not to scale  
Functional Block Diagram  
Load  
Supply  
VBB  
Charge  
Pump  
OSC  
IN1  
Control  
Logic  
Disable  
OUT1  
OUT2  
TSD  
UVLO  
IN2  
7V  
GND  
LSS  
VREF  
÷
10  
(Optional)  
A4950-DS, Rev. 4  

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