WMSIC Electronic Components

XBLW L298N

ModelL298N(XBLW)
PackageZIP-15
BrandXBLW
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XBLW L298N(XBLW)
Type
XBLW
Minimum package
25 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
L298N(XBLW)
Electronic Component
1
Package
ZIP-15
Electronic Component
Stepper Motor Driver IC
Electronic Component
8.163g
Electronic Component
1
H
2
Electronic Component
BM0265609040
Operating Temperature
25℃~+120℃
Voltage
4.5V~46V
Output Current
4A
Integrated Switch
Electronic Component
Driver Type
Driver
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

L298N(XBLW芯伯乐)电机驱动芯片产品概述

一、产品核心定位与应用场景

XBLW(芯伯乐)L298N是一款双H桥集成电机驱动芯片,主打中小功率电机的高效驱动,核心定位为「高性价比、易集成、宽适配」的通用型方案。

它的应用场景覆盖多领域:

  • 消费电子与DIY:两轮平衡小车、智能小车底盘、小型机械臂、3D打印机挤出机;
  • 工业控制:小型传送带电机、阀门执行器、小型伺服辅助驱动;
  • 教育开发:Arduino、STM32等开发板的电机扩展(学生项目常用);
  • 智能家居:窗帘电机、小型扫地机器人驱动单元。

凭借4.5V~46V宽电压和4A持续电流,能适配锂电池(11.1V)、12V/24V稳压电源等多种供电,无需频繁换方案,适合快速落地。

二、关键参数与性能优势

1. 核心电气参数

  • 控制电压:4.5V~46V DC(兼容低功耗5V小电机到高电压48V电机);
  • 输出电流:单路最大持续4A(峰值可达6A,满足电机启动瞬间大电流);
  • 输出功率:单路最大184W(46V×4A),适配24V/100W以内电机;
  • 控制接口:TTL/CMOS兼容(无需电平转换,直接接单片机IO)。

2. 集成与防护特性

  • 内置双H桥:无需外部搭功率开关,减少外围元件,简化电路;
  • 续流二极管:每个H桥内置二极管,吸收电机反电动势,保护芯片和绕组;
  • 过热保护(部分批次):温度超150℃时自动关断输出,防止烧毁。

3. 实用性能优势

  • 宽电压适配:从4.5V到46V全覆盖,不用换电源就能驱动不同电机;
  • 高电流密度:4A持续电流在ZIP-15小封装下实现,适合紧凑设计;
  • 易调速:支持PWM调速,通过ENA/ENB占空比调整转速(0~全速连续调节)。

三、封装与引脚功能说明

采用ZIP-15直插封装(15脚单列直插),引脚按功能分4类,清晰易接:

  1. 电源引脚:

    • VS(引脚8):电机供电输入(4.5V~46V);
    • GND(6、7、9、10):电源/控制地,需与单片机共地。
  2. 电机输出引脚:

    • OUT1(1)、OUT2(2):A路电机输出;
    • OUT3(15)、OUT4(14):B路电机输出。
  3. 控制引脚:

    • IN1(4)、IN2(5):A路方向控制(如IN1高/IN2低→正转);
    • IN3(11)、IN4(12):B路方向控制;
    • ENA(3)、ENB(13):A/B路使能(高电平有效,可接PWM调速)。

四、典型应用电路设计要点

以「Arduino控制双电机小车」为例,关键设计点:

  1. 电源部分:

    • 电机电源:12V/5A锂电池(满足4A输出),VS接电池正极,GND接负极;
    • 控制电源:Arduino 5V接芯片控制引脚,注意共地;
    • 滤波电容:VS与GND间并联10μF电解+0.1μF陶瓷电容,滤除纹波。
  2. 电机连接:

    • 电机A:OUT1→正极,OUT2→负极;电机B同理;
    • 可选外部二极管:若电机功率大,加1N4007并联电机两端(正极接电机负极),增强防护。
  3. 散热设计:

    • 必须贴铝制散热片(面积≥2cm²),持续4A时加小风扇,避免过热。

五、选型与注意事项

  1. 选型建议:

    • 单电机用单路输出;双电机直接用两路;
    • 需更高电流选同系列L298P(峰值8A)。
  2. 使用禁忌:

    • 禁止电源反接(VS正负极接反直接烧芯片);
    • 避免电机短路(短路需立即断电);
    • 电压/电流不超规格(46V/4A持续)。

总结

XBLW L298N作为经典驱动芯片,凭借宽电压、高电流、易集成的优势,成为中小功率电机的首选方案。从DIY小车到工业小执行器,都能快速适配,性价比突出,是电子设计中不可或缺的通用元件。

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