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L298N

Dual full-bridge motor driver, 46V, 4A total, TTL logic, Multiwatt-15, DC/stepper motors

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制造商零件：

L298N

包装：

Multiwatt-15 Vertical (through-hole, 20.2 x 5.0 mm)

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说明

产品概览

The L298N from STMicroelectronics is a Dual Full-Bridge Driver IC in a 15-lead Multiwatt vertical package. It is designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC motors, and stepper motors at supply voltages up to 46 V and total DC current up to 4 A.

主要规格

配置 Dual Full Bridge
电源电压 Up to 46 V
Output Current (per bridge) 2 A DC
Total DC Current 4 A
Peak Output Current 3 A
Logic Input Voltage TTL compatible
Enable Inputs 2 (independent)
Saturation Voltage Low (1.8V typ @ 1A)
工作温度 -25°C to +130°C
包装 Multiwatt-15 Vertical

特点

  • Operating supply voltage up to 46 V
  • Total DC current up to 4 A
  • Low saturation voltage for higher efficiency
  • Overtemperature protection
  • Logical “0” input voltage up to 1.5 V (high noise immunity)
  • Two independent enable inputs
  • External sense resistor connections for current monitoring

应用

  • Dual brush DC motor drive
  • Stepper motor control
  • Relay and solenoid driving
  • Robotics and automation
  • Automotive motor control

The L298N from STMicroelectronics is a high-voltage, high-current dual full-bridge driver IC designed to accept standard TTL logic levels and drive inductive loads such as DC motors, stepper motors, relays, and solenoids. It is one of the most widely used motor driver ICs in hobbyist and educational projects. The device features two enable inputs for independent bridge control, and the lower transistors of each bridge have their emitters connected together for external current sensing via sense resistors.

The L298N contains two independent full H-bridge circuits, each capable of driving a DC motor bidirectionally or a stepper motor coil. Each bridge consists of four power transistors in an H-bridge configuration. By applying appropriate logic levels to the input pins (IN1/IN2 for bridge A, IN3/IN4 for bridge B), the current direction through the load can be reversed, enabling forward/reverse motor control. The enable pins (ENA, ENB) allow PWM speed control when driven with a pulse-width modulated signal. Current sensing is achieved by connecting sense resistors between the sense pins and ground.

针脚 名称 类型 功能
1 CURRENT SENSE A 输出 Bridge A current sense (connect sense resistor to GND)
2 OUTPUT 1 输出 Bridge A output 1 (motor terminal)
3 OUTPUT 2 输出 Bridge A output 2 (motor terminal)
4 VS 电源 Motor supply voltage (up to 46V)
5 INPUT 1 输入 Bridge A logic input 1
6 ENABLE A 输入 Bridge A enable (active high, PWM input)
7 INPUT 2 输入 Bridge A logic input 2
8 接地 地面 地面
9 VSS 电源 Logic supply voltage (5V)
10 INPUT 3 输入 Bridge B logic input 1
11 ENABLE B 输入 Bridge B enable (active high, PWM input)
12 INPUT 4 输入 Bridge B logic input 2
13 OUTPUT 3 输出 Bridge B output 1 (motor terminal)
14 OUTPUT 4 输出 Bridge B output 2 (motor terminal)
15 CURRENT SENSE B 输出 Bridge B current sense
  • DC motor speed and direction control
  • Bipolar stepper motor driving
  • Robot locomotion and arm control
  • Relay and solenoid switching
  • Automotive wiper and window motor control
制造商 部件编号 包装 说明
意法半导体 L298P PowerSO-20 SMD version of L298N
意法半导体 L298HN Multiwatt-15 H Horizontal mount variant
德州仪器 DRV8833 HTSSOP-16 Dual H-bridge, lower voltage
快板 A4988 TSSOP-28 Stepper driver with microstepping
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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

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If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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