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A2919ELBTR-T PDF预览

A2919ELBTR-T

更新时间: 2024-11-23 21:21:35
品牌 Logo 应用领域
急速微 - ALLEGRO 电动机控制光电二极管
页数 文件大小 规格书
9页 280K
描述
Stepper Motor Controller, 1A, PDSO24, LEAD FREE, BATWING, SOIC-24

A2919ELBTR-T 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:SOP,
针数:24Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84其他特性:ALSO REQUIRES 10V TO 45V VBB SUPPLY
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:125 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2.65 mm
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
温度等级:AUTOMOTIVE端子面层:MATTE TIN
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 mmBase Number Matches:1

A2919ELBTR-T 数据手册

 浏览型号A2919ELBTR-T的Datasheet PDF文件第2页浏览型号A2919ELBTR-T的Datasheet PDF文件第3页浏览型号A2919ELBTR-T的Datasheet PDF文件第4页浏览型号A2919ELBTR-T的Datasheet PDF文件第5页浏览型号A2919ELBTR-T的Datasheet PDF文件第6页浏览型号A2919ELBTR-T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  
S UP P LY  
1
2
3
24  
23  
22  
21  
OUT  
OUT  
1A  
2A  
E
1
1
S E NS E  
E
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.  
1
2
2
2
S E NS E  
OUT  
4
5
6
OUT  
1B  
20  
I
01  
2B  
G R OUND  
G R OUND  
19  
18  
G R OUND  
The bridges include both ground clamp and flyback diodes for  
protection against inductive transients. Internally generated delays  
prevent crossover 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.  
7
8
G R OUND  
I
17  
16  
15  
14  
13  
I
11  
02  
9
θ
P HAS E  
1
I
1
12  
V
10  
P HAS E  
2
θ
R E F  
1
2
R C  
11  
12  
V
1
R E F  
R C  
2
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 applica-  
tions not requiring quarter-step operation, but desire lower detent or  
running current, the similar UDN2916B/EB/LB may be preferred.  
LOG IC  
S UP P LY  
V
C C  
Dwg. P P -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  
750 mA Continuous Output Current  
Logic Supply Voltage, V  
.................. 7.0 V  
CC  
Logic Input Voltage Range,  
45 V Output Sustaining Voltage  
V
......................... -0.3 V to V +0.3 V  
Internal Clamp Diodes  
IN  
CC  
Output Emitter Voltage, V .................. 1.5 V  
E
Internal PWM Current Control  
Package Power Dissipation,  
Low Output Saturation Voltage  
P
....................................... See Graph  
D
Internal Thermal Shutdown Circuitry  
Operating Temperature Range,  
Half- or Quarter-Step Operation of Bipolar Stepper Motors  
T ................................. -20°C to +85°C  
A
Storage Temperature Range,  
T ............................... -55°C to +150°C  
S
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.  

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