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A3988SEV-T PDF预览

A3988SEV-T

更新时间: 2024-11-24 03:16:35
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电动机控制电机
页数 文件大小 规格书
13页 363K
描述
Quad DMOS Full Bridge PWM Motor Driver

A3988SEV-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:QFN
包装说明:6 X 6 MM, 0.90 MM HEIGHT, LEAD FREE, MO-220VJJD-3, QFN-36针数:36
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.12
Is Samacsys:N其他特性:ALSO REQUIRES 8V TO 36V VBB SUPPLY
模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLERJESD-30 代码:S-XQCC-N36
JESD-609代码:e3长度:6 mm
湿度敏感等级:2功能数量:4
端子数量:36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:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC36,.25SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
电源:3.3/5,36 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Motion Control Electronics
最大供电电流 (Isup):10 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 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:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:6 mmBase Number Matches:1

A3988SEV-T 数据手册

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A3988  
Quad DMOS Full Bridge PWM Motor Driver  
Features and Benefits  
Description  
36 V output rating  
4 full bridges  
Dual stepper motor driver  
High current outputs  
The A3988 is a quad DMOS full-bridge driver capable of  
driving up to two stepper motors or four dc motors. Each  
full-bridge output is rated up to 1.2 A and 36 V. The A3988  
includesfixedoff-timepulsewidthmodulation(PWM)current  
3.3 and 5 V compatible logic supply  
Synchronous rectification  
Internal undervoltage lockout (UVLO)  
Thermal shutdown circuitry  
Crossover-current protection  
Low profile QFN package  
regulators,alongwith2-bitnonlinearDACs(digital-to-analog  
converters) that allow stepper motors to be controlled in full,  
half, and quarter steps, and dc motors in forward, reverse, and  
coast modes. The PWM current regulator uses the Allegro®  
patented mixed decay mode for reduced audible motor noise,  
increased step accuracy, and reduced power dissipation.  
Internalsynchronousrectificationcontrolcircuitryisprovided  
to improve power dissipation during PWM operation.  
Packages  
Protection features include thermal shutdown with hysteresis,  
undervoltagelockout(UVLO)andcrossovercurrentprotection.  
Special power up sequencing is not required.  
Package EV, 36 pin QFN  
0.90 mm nominal height  
with exposed thermal pad  
Package JP, 48 pin LQFP  
with exposed thermal pad  
The A3988 is supplied in two packages, EV and JP, with  
exposed power tabs for enhanced thermal performance. The  
EV is a 6 mm x 6 mm, 36 pin QFN package with a nominal  
overall package height of 0.90 mm. The JP is a 7 mm × 7 mm  
48 pin LQFP. Both packages are lead (Pb) free, with 100%  
matte tin leadframe plating.  
Approximate scale  
0.1 μF  
50 V  
0.1 μF  
50 V  
VMOTOR 32 V  
0.22 μF  
50 V  
100 μF  
50 V  
PHASE1  
I01  
OUT1A  
OUT1B  
OUT2A  
OUT2B  
I11  
PHASE2  
I02  
A3988  
Microprocessor  
Bipolar Stepper Motors  
I12  
OUT3A  
OUT3B  
OUT4A  
OUT4B  
PHASE3  
I03  
I13  
PHASE4  
I04  
SENSE2  
SENSE1  
SENSE3  
SENSE4  
I14  
RS2  
RS1  
RS3  
RS4  
VREF1  
VREF2  
VREF3  
VREF4  
VDD  
VREF  
VDD 3.3 V  
Figure 1. Typical application circuit  
A3988DS, Rev. 5  

A3988SEV-T 替代型号

型号 品牌 替代类型 描述 数据表
A3988SEVTR-T ALLEGRO

类似代替

Quad DMOS Full Bridge PWM Motor Driver

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