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A4982SLPTR-T PDF预览

A4982SLPTR-T

更新时间: 2024-01-03 18:05:40
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器转换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
19页 522K
描述
DMOS Microstepping Driver with Translator and Overcurrent Protection

A4982SLPTR-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:TSSOP
包装说明:HTSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.6
Is Samacsys:N模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G24JESD-609代码:e3
长度:7.8 mm湿度敏感等级:2
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:HTSSOP封装等效代码:TSSOP24,.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:35 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 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: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 mm
Base Number Matches:1

A4982SLPTR-T 数据手册

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A4982  
DMOS Microstepping Driver with Translator  
and Overcurrent Protection  
Features and Benefits  
Low RDS(ON) outputs  
Description  
The A4982 is a complete microstepping motor driver with  
Automatic current decay mode detection/selection  
Mixed and Slow current decay modes  
Synchronous rectification for low power dissipation  
Internal UVLO  
built-in translator for easy operation. It is designed to operate  
bipolarsteppermotorsinfull-,half-,quarter-,andsixteenth-step  
modes, with an output drive capacity of up to 35 V and ±2 A.  
The A4982 includes a fixed off-time current regulator which  
has the ability to operate in Slow or Mixed decay modes.  
Crossover-current protection  
3.3 and 5 V compatible logic supply  
Thin profile QFN and TSSOP packages  
Thermal shutdown circuitry  
Short-to-ground protection  
Shorted load protection  
The ET package meets customer requirements for no smoke  
no fire (NSNF) designs by adding no-connect pins between  
critical output, sense, and supply pins. So, in the case of a  
pin-to-adjacent-pin short, the device does not cause smoke  
or fire. Additionally, the device does not cause smoke or fire  
when any pin is shorted to ground or left open.  
Low current Sleep mode, < 10 μA  
No smoke no fire (NSNF) compliance (ET package)  
The translator is the key to the easy implementation of the  
A4982. Simply inputting one pulse on the STEP input drives  
the motor one microstep. There are no phase sequence tables,  
highfrequencycontrollines,orcomplexinterfacestoprogram.  
The A4982 interface is an ideal fit for applications where a  
complex microprocessor is unavailable or is overburdened.  
Packages:  
Approximate size  
32-contact QFN  
with exposed thermal pad  
5 mm × 5 mm × 0.90 mm  
(ET package)  
During stepping operation, the chopping control in theA4982  
automatically selects the current decay mode, Slow or Mixed.  
24-pin TSSOP  
with exposed thermal pad  
(LP Package)  
Continued on the next page…  
Typical Application Diagram  
VDD  
0.1 μF  
0.1 μF  
0.22 μF  
VREG ROSC CP1  
VDD  
CP2 VCP  
VBB1  
VBB2  
0.22 μF  
100 μF  
5 kΩ  
Microcontroller or  
Controller Logic  
SLEEP  
STEP  
OUT1A  
A4982  
OUT1B  
SENSE1  
MS1  
MS2  
DIR  
OUT2A  
ENABLE  
RESET  
OUT2B  
SENSE2  
VREF  
GND  
GND  
4982-DS  

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