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A4988 PDF预览

A4988

更新时间: 2024-01-08 04:36:12
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

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
Samacsys PartID:357268Samacsys 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19页 
DMOS Microstepping Driver with Translator  
and Overcurrent Protection  
A4988  
Pin-out Diagram  
OUT2B  
ENABLE  
GND  
OUT1B  
NC  
1
2
3
4
5
6
7
21  
20  
19  
18  
17  
16  
15  
DIR  
CP1  
GND  
REF  
CP2  
VCP  
STEP  
VDD  
NC  
Terminal List Table  
Name  
Number  
Description  
CP1  
4
5
Charge pump capacitor terminal  
Charge pump capacitor terminal  
Reservoir capacitor terminal  
Regulator decoupling terminal  
Logic input  
CP2  
VCP  
VREG  
MS1  
MS2  
MS3  
6
8
9
10  
11  
Logic input  
Logic input  
¯¯¯¯¯¯¯¯¯¯  
RESET  
12  
13  
14  
15  
16  
17  
3, 18  
19  
21  
22  
23  
24  
26  
27  
28  
1
Logic input  
ROSC  
Timing set  
¯¯¯¯¯¯¯¯¯¯  
SLEEP  
Logic input  
VDD  
STEP  
Logic supply  
Logic input  
REF  
Gm reference voltage input  
GND  
Ground*  
DIR  
Logic input  
OUT1B  
VBB1  
DMOS Full Bridge 1 Output B  
Load supply  
SENSE1  
OUT1A  
OUT2A  
SENSE2  
VBB2  
Sense resistor terminal for Bridge 1  
DMOS Full Bridge 1 Output A  
DMOS Full Bridge 2 Output A  
Sense resistor terminal for Bridge 2  
Load supply  
OUT2B  
DMOS Full Bridge 2 Output B  
Logic input  
¯¯¯¯¯¯¯¯¯¯¯¯  
ENABLE  
2
NC  
7, 20, 25  
No connection  
PAD  
Exposed pad for enhanced thermal dissipation*  
*The GND pins must be tied together externally by connecting to the PAD ground plane  
under the device.  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff  
18  
4988-DS  
Worcester, Massachusetts 01615-0036 U.S.A.  
1.508.853.5000; www.allegromicro.com  

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