A4935KJP-T

更新时间： 2024-01-20 15:06:18

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
24页	442K
描述
Automotive 3-Phase MOSFET Driver

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技术参数
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A4935KJP-T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	HLFQFP, QFP48,.35SQ,20	针数：	48
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.15
Is Samacsys：	N	模拟集成电路 - 其他类型：	BRUSHLESS DC MOTOR CONTROLLER
JESD-30 代码：	S-PQFP-G48	JESD-609代码：	e3
长度：	7 mm	湿度敏感等级：	2
功能数量：	1	端子数量：	48
最高工作温度：	150 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	HLFQFP
封装等效代码：	QFP48,.35SQ,20	封装形状：	SQUARE
封装形式：	FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
电源：	3.3/5 V	认证状态：	Not Qualified
座面最大高度：	1.6 mm	子类别：	Motion Control Electronics
最大供电电流 (Isup)：	14 mA	最大供电电压 (Vsup)：	50 V
最小供电电压 (Vsup)：	5.5 V	标称供电电压 (Vsup)：	12 V
表面贴装：	YES	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
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：	40	宽度：	7 mm
Base Number Matches：	1

A4935KJP-T 数据手册

A4935

Automotive 3-Phase MOSFET Driver

Features and Benefits

Description

▪ High current 3-phase gate drive for N-channel MOSFETs

▪ Cross-conduction protection with adjustable dead time

▪ Top-off charge pump for 100% PWM

▪ Charge pump for low supply voltage operation

▪ Uncommitted current sense amplifier

▪ 5.5 to 50 V supply voltage range

The A4935 is a 3-phase controller for use with N-channel

external power MOSFETs and is specifically designed for

automotive applications.

A unique charge pump regulator provides full (>10 V) gate

drive for battery voltages down to 7 V and allows the A4935

to operate with a reduced gate drive, down to 5.5 V.

▪ Compatible with 3.3 V and 5 V logic

▪ Extensive diagnostic outputs

▪ Low-current sleep mode

A bootstrap capacitor is used to provide the above-battery

supply voltage required for N-channel MOSFETs.An internal

charge pump for the high-side drive allows DC (100% duty

cycle) operation.

Full control over all six power FETs in the 3-phase bridge is

provided,allowingmotorstobedrivenwithblockcommutation

or sinusoidal excitation. The power FETs are protected from

shoot-through by integrated crossover control and resistor-

adjustable dead time.

Package: 48-pin LQFP with exposed

thermal pad (suffix JP)

Bridge current can be measured using an integrated current

sense amplifier. This is an uncommitted differential amplifier

with a below-ground common mode range allowing it to be

used in low-side current sense applications. Gain and offset

are defined by external resistors.

Continued on the next page…

Not to scale

Typical Application

VBAT

A8450

Regulator

3-Phase

BLDC

Motor

Control

A4935

DSP

Micro-

controller

Diagnostics

Current Sense

4935-DS

12 3 4 5 6 7...24

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