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| 型号： | A4960KJPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/35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 |
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A4960
Automotive, Sensorless BLDC Controller
Features and Benefits
? 3-phase BLDC sensorless start-up and commutation
? Gate drive for N-channel MOSFETs
? Integrated PWM current limit
? 7 to 50 V supply voltage operating range
? Compatible with 3.3 V and 5 V logic
? Cross-conduction protection with adjustable dead time
? Charge pump for low supply voltage operation
? Extensive diagnostics output
? Low current sleep mode
Applications:
? Hydraulic pump
? Fuel pump
? Urea pump
? Blower fan
Package: 32-pin LQFP with exposed
thermal pad (suffix JP)
Not to scale
Description
The A4960 is a three-phase, sensorless, brushless DC
(BLDC) motor controller for use with external N-channel
power MOSFETs and is specifically designed for automotive
applications.
The motor is driven using block commutation (trapezoidal
drive) where phase commutation is determined, without the
need for independent position sensors, by monitoring the motor
back-EMF. A programmable motor start-up scheme allows
the A4960 to be adjusted for a wide range of motor and load
combinations.
An external bootstrap capacitor is used to provide the above
battery supply voltage required for N-channel MOSFETs.
An automatic internal bootstrap charge management scheme
ensures that the bootstrap capacitor is always sufficiently
charged for safe operation of the power MOSFETs. The power
MOSFETs are protected from shoot-through by integrated
crossover control and adjustable dead time.
Integrated diagnostics provide indication of undervoltage,
overtemperature, and power bridge faults and can be configured
to protect the power MOSFETs under most short circuit
conditions. Detailed diagnostics are available as a serial data
word.
The A4960 is supplied in a 32-pin LQFP with exposed pad
for enhanced thermal dissipation (suffix JP). This package
is lead (Pb) free, with 100% matte-tin leadframe plating
(suffix –T).
Typical Application
V BAT
A8450
Regulator
SPI
V BAT
A4960-DS
Micro-
controller
PWM
TACHO
RESET
FAULT
A4960
3-Phase
BLDC
Motor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A4960SJPTR-T | 制造商:Allegro MicroSystems LLC 功能描述: |
| A496-2 | 制造商:APEM 功能描述:Switch Access Push Button Switch Round Cap |
| A4962KLPTR-T | 功能描述:IC MOTOR CONTROLLER 制造商:allegro microsystems, llc 系列:* 零件状态:有效 标准包装:4,000 |
| A496-3 | 制造商:APEM 功能描述: |
| A4963GLPTR-T | 功能描述:Motor Driver Power MOSFET SPI 20-TSSOP-EP 制造商:allegro microsystems, llc 系列:- 包装:剪切带（CT） 零件状态:有效 电机类型 - 步进:- 电机类型 - AC，DC:无刷 DC（BLDC） 功能:控制器 - 换向，方向管理 输出配置:前置驱动器 - 半桥（3） 接口:SPI 技术:功率 MOSFET 步进分辨率:- 应用:通用 电流 - 输出:- 电压 - 电源:4.2 V ~ 50 V 电压 - 负载:- 工作温度:-25°C ~ 150°C（TA） 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽）裸焊盘 供应商器件封装:20-TSSOP-EP 标准包装:1 |
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