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A4988

更新时间： 2024-01-23 04:53:34
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器转换器
页数 文件大小 规格书
19页 369K
描述
DMOS Microstepping Driver with Translator and Overcurrent Protection

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A4988 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：HVQCCN, LCC28,.2SQ,20针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.63
Samacsys Confidence：3Samacsys Status：Released
2D Presentation：https://componentsearchengine.com/2D/0T/357268.3.1.pngSchematic Symbol：https://componentsearchengine.com/symbol.php?partID=357268
PCB Footprint：https://componentsearchengine.com/footprint.php?partID=3572683D View：https://componentsearchengine.com/viewer/3D.php?partID=357268
Samacsys PartID：357268Samacsys Image：https://componentsearchengine.com/Images/9/A4988SETTR-T.jpg
Samacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/3/A4988SETTR-T.jpgSamacsys Pin Count：29
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Quad Flat No-Lead
Samacsys Footprint Name：ET Package, 28-Pin QFN with Exposed Thermal PadSamacsys Released Date：2017-01-10 14:38:01
Is Samacsys：N模拟集成电路 - 其他类型：STEPPER MOTOR CONTROLLER
JESD-30 代码：S-XQCC-N28JESD-609代码：e3
长度：5 mm湿度敏感等级：2
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-20 °C
最大输出电流：2 A封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC28,.2SQ,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：35 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)：8 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：DMOS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：5 mm
Base Number Matches：1

A4988 数据手册

 浏览型号A4988的Datasheet PDF文件第13页浏览型号A4988的Datasheet PDF文件第14页浏览型号A4988的Datasheet PDF文件第15页浏览型号A4988的Datasheet PDF文件第16页浏览型号A4988的Datasheet PDF文件第17页浏览型号A4988的Datasheet PDF文件第18页 
DMOS Microstepping Driver with Translator  
and Overcurrent Protection  
A4988  
ET Package, 28-Pin QFN with Exposed Thermal Pad  
0.30  
5.00 ±0.15  
0.50  
1.15  
28  
28  
1
2
1
A
5.00 ±0.15  
3.15 4.80  
3.15  
4.80  
D
29X  
C
SEATING  
PLANE  
0.08  
C
C
PCB Layout Reference View  
+0.05  
–0.07  
0.25  
0.90 ±0.10  
0.50  
For Reference Only; not for tooling use  
(reference JEDEC MO-220VHHD-1)  
Dimensions in millimeters  
Exact case and lead configuration at supplier discretion within limits shown  
0.73 MAX  
A
B
B
Terminal #1 mark area  
3.15  
Exposed thermal pad (reference only, terminal #1  
identifier appearance at supplier discretion)  
2
1
C
Reference land pattern layout (reference IPC7351  
QFN50P500X500X100-29V1M);  
All pads a minimum of 0.20 mm from all adjacent pads; adjust as  
necessary to meet application process requirements and PCB layout  
tolerances; when mounting on a multilayer PCB, thermal vias at the  
exposed thermal pad land can improve thermal dissipation (reference  
EIA/JEDEC Standard JESD51-5)  
28  
3.15  
D
Coplanarity includes exposed thermal pad and terminals  
Copyright ©2009-2010, Allegro MicroSystems, Inc.  
The products described here are manufactured under one or more U.S. patents or U.S. patents pending.  
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to per-  
mit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the  
information being relied upon is current.  
Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the  
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.  
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use;  
nor for any infringement of patents or other rights of third parties which may result from its use.  
For the latest version of this document, visit our website:  
www.allegromicro.com  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff  
19  
4988-DS  
Worcester, Massachusetts 01615-0036 U.S.A.  
1.508.853.5000; www.allegromicro.com  
1...16171819

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