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A3949SLB-T PDF预览

A3949SLB-T

更新时间: 2024-01-30 05:33:11
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器运动控制电子器件信号电路光电二极管电动机控制
页数 文件大小 规格书
8页 358K
描述
DMOS Full-Bridge Motor Driver

A3949SLB-T 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:1.10 MM HEIGHT, LEAD FREE, MO-153ABT, TSSOP-16
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.8模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:5 mm湿度敏感等级:1
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:HTSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:8/36 V
认证状态:Not Qualified座面最大高度:1.2 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:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

A3949SLB-T 数据手册

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A3949  
DMOS Full-Bridge Motor Driver  
A3949SLB SOIC  
Designed for PWM (pulse width modulated) control of dc motors, the  
A3949 is capable of peak output currents to ±2.8 A and operating volt-  
ages to 36 V.  
N/C  
1
2
3
4
5
6
7
8
16 N/C  
MODE  
PHASE  
GND  
15 VREG  
14 VCP  
PHASE and ENABLE input terminals are provided for use in control-  
ling the speed and direction of a dc motor with externally applied PWM  
control signals. Internal synchronous rectication control circuitry is  
provided to reduce power dissipation during PWM operation.  
GND  
CP2  
13  
12  
11  
10  
9
SLEEP  
ENABLE  
OUTA  
CP1  
Scale 1:1  
OUTB  
VBB  
SENSE  
Internal circuit protection includes thermal shutdown with hysteresis,  
undervoltage monitoring of VBB and VCP , and crossover current protec-  
tion.  
A3949SLP TSSOP  
N/C  
MODE  
PHASE  
GND  
16  
15  
14  
13  
12  
11  
10  
9
The A3949 is supplied in a choice of two power packages, a 16-pin  
plastic SOIC with a copper batwing tab (part number sufx LB), and  
a low prole (1.1mm) 16-pin TSSOP (sufx LP) with exposed power  
tab. Both packages are available in a lead-free version (100% matte tin  
leadframe).  
1
2
3
4
5
6
7
8
N/C  
VREG  
VCP  
GND  
CP2  
SLEEP  
ENABLE  
CP1  
Scale 1:1  
OUTA  
OUTB  
VBB  
SENSE  
ABSOLUTE MAXIMUM RATINGS  
Load Supply Voltage  
FEATURES  
V
V
BB...............................................................36 V  
BB (Peak < 2 µs) ........................................38 V  
Single supply operation  
Very small outline package  
Low RDS(ON) outputs  
Sleep function  
Internal UVLO  
Output Current, IOUT (Repetitive)1....................±2.8 A  
Sense Voltage, VSENSE .........................................0.5 V  
Logic Input Voltage, VIN ..................... –0.3 V to 7 V  
Package Power Dissipation, PD  
A3949SLB2 ......................................... 52ºC / W  
A3949SLP3.......................................... 34ºC / W  
Operating Temperature Range  
Crossover current protection  
Thermal shutdown protection  
Ambient Temperature, TA.............–20°C to +85°C  
Junction Temperature, TJ..................+150°C Max.  
Storage Temperature, TS ..........–55°C to +150°C  
Use the following complete part numbers when ordering:  
1Output current rating may be limited by duty cycle,  
ambient temperature, and heat sinking. Under any set of  
conditions, DO NOT exceed the specied IOUT or TJ.  
2Measured on a typical two-sided PCB with 2 in.2 copper  
ground plane.  
Part Number  
A3949SLB  
Package  
Description  
16-pin, SOIC  
16-pin, SOIC  
16-pin, TSSOP  
16-pin, TSSOP  
Copper batwing tab  
A3949SLB-T  
A3949SLP  
Copper batwing tab; Lead-free  
Exposed thermal pad  
3Measured on a JEDEC-standard "High-K" 4-layer PCB.  
A3949SLP-T  
Exposed thermal pad; Lead-free  

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