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A4941GLPTR-T PDF预览

A4941GLPTR-T

更新时间: 2024-02-22 16:20:56
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 226K
描述
AC Motor Controller, NMOS, PDSO16, LEAD FREE, MO-153ABT, TSSOP-16

A4941GLPTR-T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:TSSOP
包装说明:TSSOP, TSSOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:7.83
模拟集成电路 - 其他类型:AC MOTOR CONTROLLERJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:5 mm
湿度敏感等级:2功能数量:1
端子数量:16最高工作温度:105 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:12 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Motion Control Electronics最大供电电流 (Isup):5 mA
最大供电电压 (Vsup):16 V最小供电电压 (Vsup):5 V
标称供电电压 (Vsup):12 V表面贴装:YES
技术:NMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4.4 mm
Base Number Matches:1

A4941GLPTR-T 数据手册

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A4941  
Three-Phase Sensorless Fan Driver  
Description  
Features and Benefits  
• Sensorless (no Hall sensors required)  
• Soft switching for reduced audible noise  
• Minimal external components  
• PWM speed input  
• FG speed output  
• Low power standby mode  
• Lock detection  
• Optional overcurrent protection  
Variant A automotive qualified to AEC-Q100 Grade 2  
The A4941 three-phase motor driver incorporates BEMF  
sensing to eliminate the requirement for Hall sensors in fan  
applications.  
A pulse wave modulated (PWM) input is provided to control  
motor speed, allowing system cost savings by eliminating  
external variable power supply. PWM input can also be used  
as an on/off switch to disable motor operation and place the  
IC into a low power standby mode.  
TheA4941 is provided in a 16-pinTSSOPpackage (suffix LP)  
with an exposed thermal pad. It is lead (Pb) free, with 100%  
matte tin leadframe plating.  
Package: 16-pin TSSOP with exposed  
thermal pad (suffix LP)  
Not to scale  
Functional Block Diagram  
12 V  
0.1 μF  
CP2  
0.1 μF  
VCP  
CP1  
VBB  
Charge  
Pump  
10 μF  
+VINT  
OUTA  
SLEW  
PWM  
Soft  
Switch  
OUTB  
OUTC  
Control  
Logic  
3-Phase  
Half Bridges  
M
25 kHz  
SENSE  
OCP  
OSC  
Timers  
VBB  
0.167 Ω  
Sequencer  
(Direction)  
GND  
FC  
O/C  
Startup  
OSC  
TEST  
CTAP  
+
Adaptive  
Commutation  
Delay  
OUTA  
CDCOM  
+
OUTB  
OUTC  
10 kΩ  
FG  
FCOM  
+
GND  
BEMF Comparator  
A4941-DS, Rev. 4  

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