A3973KB

更新时间： 2024-02-05 14:38:00

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器电机
页数	文件大小	规格书
5页	59K
描述
DUAL FULL BRIDGE PROTECTED MOTOR DRIVER

阅读下载

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

A3973KB 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOP,
针数：	24	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.86	模拟集成电路 - 其他类型：	STEPPER MOTOR CONTROLLER
JESD-30 代码：	R-PDSO-G24	JESD-609代码：	e0
长度：	15.4 mm	功能数量：	1
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-20 °C	最大输出电流：	1 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	245	认证状态：	Not Qualified
座面最大高度：	2.65 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	OTHER
端子面层：	TIN LEAD	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	7.5 mm
Base Number Matches：	1

A3973KB 数据手册

Page 1 of 5

3976

DUAL FULL BRIDGE

ADVANCED DATASHEET - 02/19/99

(Subject to change without notice)

PROTECTED MOTOR DRIVER

V_BB

ENABLE1

PHASE1

n/c

24 V_CC

23 ENABLE2

22 PHASE2

21 n/c

The A3976 is designed to drive both windings of a bipolar stepper

motor or bidirectionally control two DC Motors. Both H-Bridges are capable

of continuous output currents of up to +/- 500 mA and operating voltages to

30V. Free wheeling, substrate isolated diodes are included for output transient

suppression when switching motors or other inductive loads. For each bridge

the PHASE input controls load current polarity by selecting the appropriate

source and sink driver pair. The ENABLE input, when held high, enables the

respective output H-bridge. When both ENABLE pins are held low the device

will enter SLEEP mode and consume less than 100mA.

n/c

20 n/c

GROUND

A3976KLB

GROUND

n/c

17 n/c

OUT1A

16 OUT2A

15 n/c

n/c 10

FAULT1 11

OUT1B 12

The 3976 is protected to ensure safe operation in harsh operating

environments and was designed specifically for automotive applications.

Protection circuitry will check for open or shorted load, motor lead short to

ground or supply, VBB overvoltage, VCC undervoltage, and thermal

shutdown. If any of these conditions are detected the outputs will be disabled

and fault information will be output to diagnostic pins FAULT1 and FAULT2.

14 FAULT2

13 OUT2B

ABSOLUTE MAXIMUM RATINGS

at T = +25°C

The 3976 is supplied in a choice of two power packages, a 16-lead

plastic DIP with a copper batwing tab (suffix ‘B’), and a 24-lead plastic SOIC

with a copper batwing tab (suffix ‘LB’). In both cases, the power tab is at

ground potential and needs no electrical isolation.

Operating Supply Voltage, V_BB....................30 V

Non-Operating Supply Voltage.....................35 V

Output Current, I_OUT............................±500 mA*

Logic Supply Voltage, V_CC..........................7.0 V

Fault Output Voltage ...................................7.0 V

Logic Input Voltage Range,

FEATURES

n 30 V , ±500 mA Continuous Output Rating

n 35V Load Dump Survival

V_IN..........................-0.3 V to V_CC+ 0.3 V

n Output Short Circuit Protection

n Coded Fault Diagnostic Outputs

n Low Current Standby Mode

n Open Load Monitor

Package Power Dissipation (T = +25°C), P_D

A3976KLB..................................2.2 W

A3976KB ....................................2.9 W

Operating Temperature Range,

n Low Current Standby Mode

n VBB Over Voltage Shutdown

n Internal Thermal Shutdown Circuitry

n Internal Low Parasitic Free Wheeling Diodes

n Crossover Current Protection

T_A..............................-40°C to +125°C

Junction Temperature, T_J.........................+150°C

Storage Temperature Range,

T_S...............................-55°C to +150°C

* Output current rating may be limited by duty cycle,

ambient temperature, and heat sinking. Under any set of

conditions, do not exceed the specified current rating or a

junction temperature of 150°C.

PART NUMBER

A3976KLB

PACKAGE

24 Lead SOIC

16 Lead DIP

R_ØJA

R_ØJT

56°C/W

43°C/W

6°C/W

A3973KB

12 3 4 5

下载PDF

与A3973KB相关器件

型号	品牌	描述	获取价格	数据表
A3973SB	ALLEGRO	DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER	获取价格
A3973SB-T	ALLEGRO	Dual DMOS Full-Bridge Microstepping PWM Motor Driver	获取价格
A3973SLB	ALLEGRO	DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER	获取价格
A3973SLB-T	ALLEGRO	Dual DMOS Full-Bridge Microstepping PWM Motor Driver	获取价格
A3973SLBTR	ALLEGRO	Stepper Motor Controller, 1A, PDSO24, BATWING, PLASTIC, SOIC-24	获取价格
A3973SLBTR-T	ALLEGRO	暂无描述	获取价格

产品中心

服务支持

精选活动

关于我们

帮助中心

A3973KB

A3973KB 技术参数

A3973KB 数据手册

与A3973KB相关器件

与A3973KB相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

A3973KB

A3973KB 技术参数

A3973KB 数据手册

与A3973KB相关器件

与A3973KB相关文章

您还可以找

您在本页遇到什么问题？