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A3967SLB PDF预览

A3967SLB

更新时间: 2024-01-19 06:00:57
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
16页 510K
描述
MICROSTEPPING DRIVER WITH TRANSLATOR

A3967SLB 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete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:5.36
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
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:0.85 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):NOT SPECIFIED电源:3.3/5 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):65 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):5 V表面贴装:YES
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:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

A3967SLB 数据手册

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3967  
MICROSTEPPING DRIVER  
WITH TRANSLATOR  
The A3967SLB is a complete microstepping motor driver with  
built-in translator. It is designed to operate bipolar stepper motors in  
full-, half-, quarter-, and eighth-step modes, with output drive capabil-  
ity of 30 V and ±750 mA. The A3967SLB includes a fixed off-time  
current regulator that has the ability to operate in slow, fast, or mixed  
current-decay modes. This current-decay control scheme results in  
reduced audible motor noise, increased step accuracy, and reduced  
power dissipation.  
The translator is the key to the easy implementation of the  
A3967SLB. By simply inputting one pulse on the STEP input the  
motor will take one step (full, half, quarter, or eighth depending on two  
logic inputs). There are no phase-sequence tables, high-frequency  
control lines, or complex interfaces to program. The A3967SLB  
interface is an ideal fit for applications where a complex µP is unavail-  
able or over-burdened.  
PWM  
TIMER  
24 PFD  
REF  
1
2
÷8  
RC  
2
23  
22  
21  
RC  
1
SLEEP  
RESET  
3
4
OUT2B  
LOAD  
OUT1B  
LOAD  
20  
19  
18  
5
6
VBB2  
VBB1  
SUPPLY  
1
SUPPLY  
2
GND  
GND  
GND  
GND  
7
SENSE  
2
17 SENSE  
16 OUT1A  
1
8
9
OUT2A  
STEP  
DIR  
10  
11  
12  
ENABLE  
15  
TRANSLATOR  
& CONTROL  
LOGIC  
LOGIC  
SUPPLY  
VCC  
14  
13  
MS1  
MS2  
Internal circuit protection includes thermal shutdown with hyster-  
esis, under-voltage lockout (UVLO) and crossover-current protection.  
Special power-up sequencing is not required.  
The A3967SLB is supplied in a 24-lead SOIC with copper batwing  
tabs. The tabs are at ground potential and need no insulation. A lead-  
free (100% matte tin leadframe) version is also available.  
Dwg. PP-075-2  
ABSOLUTE MAXIMUM RATINGS  
at TA = +25°C  
Load Supply Voltage, VBB ............. 30 V  
Output Current, IOUT  
*
Continuous ..................... ±750 mA  
Peak................................. ±850 mA  
Logic Supply Voltage, VCC ........... 7.0 V  
Logic Input Voltage Range, VIN  
FEATURES  
±750 mA, 30 V Output Rating  
Satlington™ Sink Drivers  
Automatic Current-Decay Mode Detection/Selection  
3.0 V to 5.5 V Logic Supply Voltage Range  
Mixed, Fast, and Slow Current-Decay Modes  
Internal UVLO and Thermal Shutdown Circuitry  
Crossover-Current Protection  
(tw >30 ns)............. -0.3 V to +7.0 V  
(tw <30 ns)................ -1 V to +7.0 V  
Sense Voltage, VSENSE ............... 0.68 V  
Reference Voltage, VREF ................ VCC  
Package Power Dissipation,  
PD................................. See page 8  
Operating Temperature Range,  
TA ........................... -20°C to +85°C  
Junction Temperature, TJ ......... +150°C  
Storage Temperature Range,  
TS ......................... -55°C to +150°C  
Always order by complete part number:  
* Output current rating may be limited by  
duty cycle, ambient temperature, and heat  
sinking. Under any set of conditions, do not  
exceed the specified current rating or a  
junction temperature of 150°C.  
Part Number  
Package  
A3967SLB  
A3967SLB-T  
24-lead batwing SOIC  
24-lead batwing SOIC; Lead-free  

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