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A2919SLB

更新时间： 2024-01-13 21:21:53
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
页数 文件大小 规格书
8页 100K
描述
DUAL FULL-BRIDGE PWM MOTOR DRIVER

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A2919SLB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：LEAD FREE, MS-013AD, SOIC-24
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.81Is Samacsys：N
其他特性：ALSO REQUIRES 10V TO 45V VBB SUPPLY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：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：1 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：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)：50 mA
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：4.75 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：BIPOLAR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

A2919SLB 数据手册

 浏览型号A2919SLB的Datasheet PDF文件第2页浏览型号A2919SLB的Datasheet PDF文件第3页浏览型号A2919SLB的Datasheet PDF文件第4页浏览型号A2919SLB的Datasheet PDF文件第5页浏览型号A2919SLB的Datasheet PDF文件第6页浏览型号A2919SLB的Datasheet PDF文件第7页 
2919  
DUAL FULL-BRIDGE  
PWM MOTOR DRIVER  
The A2919SB and A2919SLB motor drivers are designed to drive  
both windings of a bipolar stepper motor or bidirectionally control two  
dc motors. Both bridges are capable of sustaining 45 V and include  
internal pulse-width modulation (PWM) control of the output current to  
750 mA. The outputs have been optimized for a low output-saturation  
voltage drop (less than 1.8 V total source plus sink at 500 mA).  
A2919SB  
V
BB  
LOAD  
SUPPLY  
1
2
3
24  
23  
22  
21  
OUT  
OUT  
1A  
2A  
E
1
1
SENSE  
E
1
2
2
For PWM current control, the maximum output current is deter-  
mined by the user’s selection of a reference voltage and sensing  
resistor. Two logic-level inputs select output current limits of 0%, 41%,  
67%, or 100% of the maximum level. A PHASE input to each bridge  
determines load current direction.  
2
SENSE  
OUT  
4
5
6
OUT  
1B  
20  
I
01  
2B  
GROUND  
GROUND  
19  
18  
GROUND  
7
8
The bridges include both ground clamp and flyback diodes for  
protection against inductive transients. Internally generated delays  
prevent cross-over currents when switching current direction. Special  
power-up sequencing is not required. Thermal protection circuitry  
disables the outputs if the chip temperature exceeds safe operating  
limits.  
GROUND  
I
17  
16  
15  
14  
13  
I
11  
02  
9
θ
PHASE  
1
I
1
12  
V
10  
PHASE  
2
θ
2
REF 1  
RC  
1
11  
12  
V
REF 2  
The A2919SB is supplied in a 24-pin dual in-line plastic batwing  
package with a copper lead-frame and heat sinkable tabs for improved  
power dissipation capabilities. The A2919SLB is supplied in a 24-lead  
surface-mountable SOIC. Their batwing construction provides for  
maximum package power dissipation in the smallest possible construc-  
tion. The A2919SB/SLB are available for operation from -40°C to  
+85°C. To order, change the suffix from 'S–' to 'E–'. These devices  
are also available on special order for operation to +125°C. For  
applications not requiring quarter-step operation, but desire lower  
detent or running current, the similar UDN2916B/EB/LB may be pre-  
ferred.  
LOGIC  
SUPPLY  
V
RC  
2
CC  
Dwg. PP-005  
ABSOLUTE MAXIMUM RATINGS  
at TJ ≤ 150°C  
Motor Supply Voltage, V ................... 45 V  
BB  
Output Current, I  
OUT  
(Peak, tw ≤ 20 µs) ........................ ±1.0 A  
(Continuous) .......................... ±750 mA  
FEATURES  
Logic Supply Voltage, V ................... 7.0 V  
CC  
■ 750 mA Continuous Output Current  
■ 45 V Output Sustaining Voltage  
■ Internal Clamp Diodes  
Logic Input Voltage Range,  
V
............................... -0.3 V to +7.0 V  
IN  
Output Emitter Voltage, V .................. 1.5 V  
E
Package Power Dissipation,  
■ Internal PWM Current Control  
P
....................................... See Graph  
D
■ Low Output Saturation Voltage  
Operating Temperature Range,  
■ Internal Thermal Shutdown Circuitry  
■ Half- or Quarter-Step Operation of Bipolar Stepper Motors  
T ................................. -20°C to +85°C  
Storage Temperature Range,  
A
T ............................... -55°C to +150°C  
Always order by complete part number:  
S
Part Number  
A2919SB  
Package  
RθJA  
RθJT  
Output current rating may be limited by duty cycle,  
ambient temperature, and heat sinking. Under any  
set of conditions, do not exceed the specified peak  
current rating or a junction temperature of +150°C.  
24-Pin DIP  
24-Lead SOIC  
40°C/W  
55°C/W  
6.0°C/W  
6.0°C/W  
A2919SLB  
12345678

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