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A3949SLBTR PDF预览

A3949SLBTR

更新时间: 2024-02-12 03:49:55
品牌 Logo 应用领域
急速微 - ALLEGRO 电动机控制光电二极管
页数 文件大小 规格书
7页 249K
描述
Brush DC Motor Controller, 2.8A, NMOS, PDSO16, BATWING, PLASTIC, SOIC-16

A3949SLBTR 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP16,.4
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.89模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:10.21 mm功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-20 °C最大输出电流:2.8 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:8/36 V
认证状态:Not Qualified座面最大高度:2.64 mm
子类别:Motion Control Electronics最大供电电流 (Isup):8.5 mA
最大供电电压 (Vsup):36 V最小供电电压 (Vsup):8 V
表面贴装:YES技术:NMOS
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.49 mm
Base Number Matches:1

A3949SLBTR 数据手册

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A3949  
DMOS Full-Bridge Motor Driver  
Features and Benefits  
Single supply operation  
Very small outline package  
Low RDS(ON) outputs  
Description  
Designed for PWM (pulse width modulated) control of DC  
motors, theA3949 is capable of peak output currents to ±2.8 A  
and operating voltages to 36 V.  
Sleep function  
Internal UVLO  
Crossover current protection  
Thermal shutdown protection  
PHASE and ENABLE input terminals are provided for use  
in controlling the speed and direction of a DC motor with  
externally applied PWM control signals. Internal synchronous  
rectification control circuitry is provided to reduce power  
dissipation during PWM operation.  
Packages:  
Internal circuit protection includes thermal shutdown with  
hysteresis, undervoltage monitoring of VBB and VCP , and  
crossover current protection.  
TheA3949issuppliedinapowerpackage,a16-pinplasticSOIC  
withacopperbatwingtab(partnumbersuffixLB).Thepackages  
are lead (Pb) free, with 100% matte tin leadframes.  
Package LB, 16-pin SOIC  
with internally fused pins  
Not to scale  
Functional Block Diagram  
.22 μF  
25 V  
0.1 μF  
CP1  
VREG  
CP2  
VCP  
VBB  
Low Side  
Gate Supply  
Charge  
Pump  
OSC  
0.1 μF  
Load  
Supply  
MODE  
0.1 μF  
100 μF  
PHASE  
OUTA  
OUTB  
Control  
Logic  
ENABLE  
SLEEP  
SENSE  
GND  
DMOS Full Bridge  
GND  
29319.47i  

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