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A3952SB

更新时间： 2024-11-28 22:38:47
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器运动控制电子器件信号电路光电二极管电动机控制电机
页数 文件大小 规格书
16页 197K
描述
FULL-BRIDGE PWM MOTOR DRIVER

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中文翻译

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A3952SB 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：DIP包装说明：DIP, DIP16,.3
针数：16Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.81Is Samacsys：N
模拟集成电路 - 其他类型：STEPPER MOTOR CONTROLLERJESD-30 代码：R-PDIP-T16
JESD-609代码：e0长度：19.175 mm
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-20 °C
最大输出电流：3.5 A封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP16,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5,5/50 V
认证状态：Not Qualified座面最大高度：5.33 mm
子类别：Motion Control Electronics最大供电电流 (Isup)：40 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：NO
技术：BIPOLAR温度等级：OTHER
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

A3952SB 数据手册

 浏览型号A3952SB的Datasheet PDF文件第2页浏览型号A3952SB的Datasheet PDF文件第3页浏览型号A3952SB的Datasheet PDF文件第4页浏览型号A3952SB的Datasheet PDF文件第5页浏览型号A3952SB的Datasheet PDF文件第6页浏览型号A3952SB的Datasheet PDF文件第7页 
3952  
FULL-BRIDGE PWM MOTOR DRIVER  
Designed for bidirectional pulse-width modulated current control of  
inductive loads, the A3952S– is capable of continuous output currents  
to ±2 A and operating voltages to 50 V. Internal fixed off-time PWM  
current-control circuitry can be used to regulate the maximum load  
current to a desired value. The peak load current limit is set by the  
user’s selection of an input reference voltage and external sensing  
resistor. The fixed OFF-time pulse duration is set by a user-selected  
external RC timing network. Internal circuit protection includes thermal  
shutdown with hysteresis, transient suppression diodes, and crossover-  
A3952SB  
LOAD  
SUPPLY  
16  
15  
14  
13  
BRAKE  
1
2
3
4
V
BB  
OUT  
B
REF  
RC  
MODE  
GROUND  
GROUND  
GROUND  
current protection. Special power-up sequencing is not required.  
LOGIC  
With the ENABLE input held low, the PHASE input controls load  
current polarity by selecting the appropriate source and sink driver pair.  
The MODE input determines whether the PWM current-control circuitry  
operates in a slow current-decay mode (only the selected sink driver  
switching) or in a fast current-decay mode (selected source and sink  
switching). A user-selectable blanking window prevents false triggering  
of the PWM current control circuitry. With the ENABLE input held high,  
all output drivers are disabled. A sleep mode is provided to reduce  
power consumption when inactive.  
12  
11  
5
6
GROUND  
SENSE  
LOGIC  
SUPPLY  
V
CC  
PHASE  
7
8
10  
9
OUT  
A
V
LOAD  
SUPPLY  
BB  
ENABLE  
Dwg. PP-056  
Note that the A3952SB (DIP) and the A3952SLB  
When a logic low is applied to the BRAKE input, the braking  
function is enabled. This overrides ENABLE and PHASE to turn OFF  
both source drivers and turn ON both sink drivers. The brake function  
can be safely used to dynamically brake brush dc motors.  
(SOIC) are electrically identical and share a  
common terminal number assignment.  
ABSOLUTE MAXIMUM RATINGS  
Load Supply Voltage, V  
.................. 50 V  
BB  
Output Current, I  
The A3952S– is supplied in a choice of four power packages. In all  
package styles, the batwing/power tab is at ground potential and needs  
no isolation. These devices are also available for operation from -40°C  
to +125°C. To order, change the suffix from 'S–' to 'K–'.  
OUT  
(t ≤ 20 µs) .................................. ±3.5 A  
w
(Continuous) ............................... ±2.0 A  
Logic Supply Voltage, V  
................. 7.0 V  
CC  
Logic Input Voltage Range,  
FEATURES  
V
....................... -0.3 V to VCC + 0.3 V  
IN  
■ ±2 A Continuous Output Current Rating  
■ 50 V Output Voltage Rating  
■ Internal PWM Current Control  
Sense Voltage, V  
...................... 1.5 V  
.................... 15 V  
SENSE  
Reference Voltage, V  
REF  
Package Power Dissipation,  
■ Fast and Slow Current-Decay Modes  
■ Sleep (Low Current Consumption) Mode  
■ Internal Transient Suppression Diodes  
■ Under-Voltage Lockout  
■ Internal Thermal Shutdown Circuitry  
■ Crossover-Current Protection  
P
....................................... See Graph  
D
Operating Temperature Range,  
T
............................... –20°C to +85°C  
A
Junction Temperature, T ............. +150°C*  
Storage Temperature Range,  
J
T
............................. –55°C to +150°C  
S
Output current rating may be limited by duty cycle,  
ambient temperature, heat sinking and/or forced  
cooling. Under any set of conditions, do not  
exceed the specified current rating or a junction  
temperature of +150°C.  
Always order by complete part number:  
Part Number  
Package  
RθJA  
RθJT  
A3952SB  
A3952SEB  
A3952SLB  
A3952SW  
16-Pin DIP  
28-Lead PLCC  
16-Lead SOIC  
43°C/W  
42°C/W  
67°C/W  
36°C/W  
6.0°C/W  
6.0°C/W  
6.0°C/W  
2.0°C/W  
* Fault conditions that produce excessive junction  
temperature will activate device thermal shutdown  
circuitry. These conditions can be tolerated but  
should be avoided.  
12-Pin Power-Tab SIP  
1234567...16

中文翻译

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A3952SB 替代型号

型号 品牌 替代类型 描述 数据表
UDN2953B ALLEGRO

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A3952SLB ALLEGRO

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