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A8906CLB PDF预览

A8906CLB

更新时间： 2024-01-15 11:20:26
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控制器
页数 文件大小 规格书
12页 161K
描述
BIDIRECTIONAL 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING

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A8906CLB 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP24,.4
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92Is Samacsys：N
模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码：R-PDSO-G22
JESD-609代码：e0长度：15.4 mm
功能数量：1端子数量：22
最高工作温度：70 °C最低工作温度：
最大输出电流：1.25 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：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：YES技术：BCDMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
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

A8906CLB 数据手册

 浏览型号A8906CLB的Datasheet PDF文件第2页浏览型号A8906CLB的Datasheet PDF文件第3页浏览型号A8906CLB的Datasheet PDF文件第4页浏览型号A8906CLB的Datasheet PDF文件第5页浏览型号A8906CLB的Datasheet PDF文件第6页浏览型号A8906CLB的Datasheet PDF文件第7页 
8906  
BIDIRECTIONAL 3-PHASE BRUSHLESS DC MOTOR  
CONTROLLER/DRIVER WITH BACK-EMF SENSING  
The A8906CLB is a bidirectional three-phase brushless dc motor  
controller/driver. The three half-bridge outputs are low on-resistance n-  
LOAD  
SUPPLY  
COMMUTATION  
DELAY  
1
24  
23  
C
V
D1  
channel DMOS devices capable of driving up to 1 A. The A8906CLB  
provides complete, reliable, self-contained back-EMF sensing motor  
startup and running algorithms. A programmable digital frequency-  
locked loop speed control circuit together with the linear current control  
circuitry provides precise motor speed regulation.  
BB  
DATA IN  
C
2
3
4
D2  
22 CLOCK  
21  
C
WD  
C
CHIP SELECT  
ST  
A serial port allows the user to program various features and  
modes of operation, such as the speed control parameters, rotational  
direction, startup current limit, sleep mode, diagnostic modes, and  
others.  
20 RESET  
OUT  
5
6
A
19  
18  
GROUND  
GROUND  
GROUND  
GROUND  
7
8
OUT  
B
DATA OUT  
OSCILLATOR  
MUX  
17  
16  
15  
The A8906CLB is fabricated in Allegro’s BCD (Bipolar CMOS  
DMOS) process, an advanced mixed-signal technology that combines  
bipolar, analog and digital CMOS, and DMOS power devices. The  
A8906CLB is provided in a 24-lead wide-body SOIC batwing package.  
It provides for the smallest possible construction in surface-mount  
applications.  
9
OUT  
C
FLL  
V
LOGIC  
SUPPLY  
CENTERTAP 10  
DD  
BOOST  
CHARGE  
PUMP  
SECTOR  
DATA  
14  
BRAKE  
11  
12  
C
13 FILTER  
RES  
PRELIMINARY INFORMATION  
(Subject to change without notice)  
March 1, 1999  
Dwg. PP-040B  
FEATURES  
■ DMOS Outputs  
■ Low rDS(on)  
ABSOLUTE MAXIMUM RATINGS  
at TA = +25°C  
■ Startup Commutation Circuitry  
■ Back-EMF Commutation Circuitry  
■ Direction Control  
Load Supply Voltage, VBB . . . . . . . . . . 14 V  
Output Current, IOUT . . . . . . . . . . . . ±1.25 A  
Logic Supply Voltage, VDD . . . . . . . . . 6.0 V  
Logic Input Voltage Range,  
■ Serial Port Interface  
■ Frequency-Locked Loop Speed Control  
■ Sector Data Tachometer Signal Input  
■ Programmable Start-Up Current  
■ Diagnostics Mode  
VIN . . . . . . . . . . . -0.3 V to VDD + 0.3 V  
Package Power Dissipation, PD See Graph  
Operating Temperature Range,  
TA . . . . . . . . . . . . . . . . . . 0°C to +70°C  
Junction Temperature, TJ . . . . . . . +150°C†  
Storage Temperature Range,  
■ Sleep Mode  
TS . . . . . . . . . . . . . . . -55°C to +150°C  
■ Linear Current Control  
■ Internal Current Sensing  
† Fault conditions that produce excessive junction  
temperature will activate device thermal shutdown  
circuitry. These conditions can be tolerated, but  
should be avoided.  
■ Dynamic Braking Through Serial Port  
■ Power-Down Dynamic Braking  
■ System Diagnostics Data Out  
■ Data Out Ported in Real Time  
■ Internal Thermal Shutdown Circuitry  
Output current rating may be restricted to a value  
determined by system concerns and factors.  
These include: system duty cycle and timing,  
ambient temperature, and use of any heatsinking  
and/or forced cooling. For reliable operation, the  
specified maximum junction temperature should  
not be exceeded.  
Always order by complete part number, e.g., A8906CLB .  
1234567...12

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