参数资料
型号: A4960KJPTR-T
厂商: Allegro Microsystems Inc
文件页数: 4/35页
文件大小: 0K
描述: IC BLDC CTLR BRUSHLESS 32LQFP
标准包装: 1
系列: *
应用: *
输出数: *
电流 - 输出: *
电压 - 负载: *
电源电压: *
工作温度: *
安装类型: 表面贴装
封装/外壳: 32-LQFP 裸露焊盘
供应商设备封装: 32-LQFP(7x7)
包装: 标准包装
其它名称: 620-1452-6
A4960
Automotive, Sensorless BLDC Controller
Table of Contents
Specifications
Pin-out Diagram and Terminal List
Functional Block Diagram
Electrical Characteristics Table
Timing Diagrams
Operation Timing Diagrams
Functional Description
Functional Description
Input and Output Terminal Functions
Motor Drive System
Rotor position sensing using motor BEMF
Commutation Blank Time
BEMF Window
BEMF Hysteresis
Start-up
Motor control
Phase advance
Power Supplies
Gate Drives
Gate drive voltage regulation
Bootstrap charge management
Low-side gate drive
High-side gate drive
Dead Time
Sleep Mode and RESETN
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16
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17
Current Limit
Current sense amplifier
Fixed off-time
Blank time
Diagnostics
DIAG pin
Serial interface fault output
Fault response action
Fault Mask register
Chip-level diagnostics
Chip Fault States: Temperature Thresholds
Chip Fault State : VREG Undervoltage
Chip Fault State: VDD Undervoltage
Bootstrap Undervoltage Fault State
MOSFET fault detection
MOSFET fault blank time
Short fault operation
MOSFET Fault State: Short to Supply
MOSFET Fault State: Short to Ground
MOSFET Fault State: Shorted Winding
Serial Interface Description
Configuration and control registers
Diagnostic register
Applications Information
Control Timing Diagrams
Input/Output Structures
Package Outline Drawing
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Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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