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A3982SLBTR-T PDF预览

A3982SLBTR-T

更新时间: 2024-02-23 18:54:09
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器转换器电机
页数 文件大小 规格书
11页 308K
描述
Stepper Motor Controller, 2A, NMOS, PDSO24, LEAD FREE, MS-013AD, SOIC-24

A3982SLBTR-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:SOIC
包装说明:SOP, SOP24,.4针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.62
模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLERJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:15.4 mm
湿度敏感等级:3功能数量:1
端子数量:24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:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:3.3/5,35 V认证状态:Not Qualified
座面最大高度:2.65 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:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:7.5 mm
Base Number Matches:1

A3982SLBTR-T 数据手册

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A3982  
DMOS Stepper Motor Driver with Translator  
Features and Benefits  
Low RDS(on) outputs  
Description  
The A3982 is a complete stepper motor driver with built-  
Automatic current decay mode detection/selection  
Mixed and Slow current decay modes  
Synchronous rectification for low power dissipation  
Internal UVLO and thermal shutdown circuitry  
Crossover-current protection  
in translator for easy operation. It is designed to operate  
bipolar stepper motors in full- and half-step modes, with an  
output drive capacity of up to 35 V and ±2 A. The A3982  
includes a fixed off-time current regulator which has the  
ability to operate in Slow or Mixed decay modes.  
The translator is the key to the easy implementation of the  
A3982. Simply inputting one pulse on the STEP input drives  
the motor one step. There are no phase sequence tables, high  
frequency control lines, or complex interfaces to program.  
The A3982 interface is an ideal fit for applications where a  
complex microprocessor is unavailable or is overburdened.  
The chopping control in the A3982 automatically selects  
the current decay mode (Slow or Mixed). When a signal  
occurs at the STEP input pin, the A3982 determines if  
that step results in a higher or lower current in each of the  
motor phases. If the change is to a higher current, then the  
decay mode is set to Slow decay. If the change is to a lower  
current, then the current decay is set to Mixed (set initially  
to a fast decay for a period amounting to 31.25% of the  
Package: 24 pin SOICW with internally  
fused leads (suffix LB)  
Continued on the next page…  
Not to scale  
Pin-out Diagram  
OUT1A  
SENSE1  
VBB1  
OUT1B  
DIR  
OUT2A  
SENSE2  
VBB2  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
3
OUT2B  
ENABLE  
PGND  
PGND  
CP1  
4
5
PGND  
PGND  
REF  
6
7
8
CP2  
STEP  
VDD  
9
VCP  
10  
11  
12  
VREG  
MS1  
ROSC  
RESET  
26184.28C  

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