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A4936METTR-T PDF预览

A4936METTR-T

更新时间: 2024-01-16 08:17:19
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电动机控制
页数 文件大小 规格书
9页 198K
描述
3-Phase Brushless DC Motor Pre-Driver

A4936METTR-T 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC32,.2SQ,20针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
Is Samacsys:N模拟集成电路 - 其他类型:BRUSHLESS DC MOTOR CONTROLLER
JESD-30 代码:S-XQCC-N32JESD-609代码:e3
长度:5 mm湿度敏感等级:2
功能数量:1端子数量:32
最高工作温度:105 °C最低工作温度:-20 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
电源:24 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Motion Control Electronics
最大供电电流 (Isup):6.5 mA最大供电电压 (Vsup):37.5 V
最小供电电压 (Vsup):8.5 V标称供电电压 (Vsup):24 V
表面贴装:YES温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5 mm
Base Number Matches:1

A4936METTR-T 数据手册

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A4936  
3-Phase Brushless DC Motor Pre-Driver  
Features and Benefits  
• Drives 6 N-channel MOSFETs  
Description  
TheA4936isacomplete3-phasebrushlessDCmotorpre-driver,  
• Synchronous rectification for low power dissipation  
• Internal UVLO and thermal shutdown circuitry  
• Hall element inputs  
• PWM current limiting  
• Dead time protection  
supplying up to 28 V output for direct, high-current gate drive  
ofanallN-channelpowerMOSFET3-phasebridge.Thedevice  
has three Hall-element inputs, a sequencer for commutation  
control, fixed off-time pulse width modulation (PWM) current  
control, and locked-rotor detection.  
• FG outputs  
• Standby mode  
• Lock detect protection  
• Overvoltage protection  
Output current is scaled by the capability of the external  
MOSFETs. Locked rotor detection delay is set by an external  
capacitor on the CLD terminal. The PWM, DIR, and BRAKE  
and STOPinputs can be used to control motor speed, position,  
andtorque.MotorspeedcanbedeterminedusingtheFGoutput  
from an FG coil amplifier and comparator.  
Package: 32-contact QFN (suffix ET)  
The external MOSFETS can be PWMed using an external  
signal on the PWM input, or using the internal PWM current  
regulator. In either case, the A4936 synchronous rectification  
featurereducespowerdissipationbyturning-ontheappropriate  
MOSFETs during current decay.  
The Hall elements can be inexpensive types, when used with  
noise filtering to prevent false commutation signals. The  
A4936 provides a regulated 7.5 V supply to power the three  
Hall elements.  
Not to scale  
Continued on the next page…  
Typical Application Diagram  
V+  
BLDC  
Motor  
System  
Control  
Logic  
A4936  
A4936-DS  

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