UDN2982LW

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UDN2982LW

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IC PWR DRIVER BIPOLAR 1:1 20SOIC

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Spezifikationen

Attribut Wert
Part Status Obsolete
Switch Type General Purpose
Number of Outputs 8
Ratio - Input: Output 1:1
Output Configuration High Side
Output Type Bipolar
Interface On/Off
Voltage - Load 5V ~ 50V
Voltage - Supply (Vcc/Vdd) Not Required
Current - Output (Max) 500mA
Input Type Non-Inverting
Fault Protection Current Limiting (Fixed)
Operating Temperature -20°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 20-SOIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
Base Product Number UDN2982

Übersicht

Description

The UDN2982LW is a dual H-bridge motor driver designed for controlling DC motors and stepper motors in various applications. It features integrated protection mechanisms, including thermal shutdown and current limiting, ensuring reliability during operation. The chip can drive two motors bidirectionally, allowing for forward, reverse, and braking capabilities.
It operates with a supply voltage range of 4.5V to 36V and can deliver a peak output current of around 2A per channel, making it suitable for small to medium-sized motors. The UDN2982LW facilitates easy interfacing with microcontrollers through straightforward control signals, typically using PWM for speed control.
Commonly used in robotics, automation systems, and other motion control applications, the UDN2982LW is favored for its compact design, efficiency, and ease of use. Additionally, its flexibility and robust performance make it an excellent choice for users needing reliable motor control solutions.

Equivalent

The UDN2982LW is a dual H-bridge driver commonly used for driving motors. Equivalent products include the L298, L293D, TB6612FNG, and DRV8833. These alternatives also provide two-channel motor control, supporting various voltage and current requirements. Always verify specific electrical characteristics and pin configurations to ensure compatibility with your application.

Features

The UDN2982LW is a dual H-bridge driver designed for controlling bipolar stepper motors and other inductive loads. Key features include:
1. Dual H-Bridge Configuration: Capable of driving two separate loads, making it versatile for various applications.
2. High Voltage Range: Operates up to 45V, suitable for different motor types.
3. Current Drive Capability: Supports up to 1.2A per channel, accommodating moderate-sized motors.
4. Thermal and Overcurrent Protection: Integrated features to prevent overheating and protect against excessive current.
5. Control Inputs: Compatible with various control signals, enabling easy integration with microcontrollers.
6. Compact Package: Available in a surface-mount package, saving space on PCBs.
7. Bidirectional Control: Allows for easy direction reversal of motor rotation.
8. PWM Control: Supports pulse-width modulation for efficient speed control.
These features make the UDN2982LW suitable for robotics, automation, and other applications requiring precise motor control.

Pinout

The UDN2982LW is a dual high-voltage, high-current sink driver IC. It features a total of 16 pins. The primary function of the UDN2982LW is to drive inductive loads such as motors, solenoids, and relays, using bipolar junction transistors (BJTs) in a totem-pole output configuration.
The pinout includes:
1. Power Supply Pins: V+ (for power supply) and GND (ground).
2. Input Pins: Two sets of inputs for controlling the output transistors.
3. Output Pins: Eight output pins (OUT1 to OUT8) for driving loads.
4. Protection Pins: Pins for thermal shutdown and protection features.
The UDN2982LW is designed for applications requiring high voltage (up to 50V) and substantial current (up to 1A per channel) capability, making it suitable for various automation and control systems.

Application

The UDN2982LW is a dual high-current, low-voltage H-bridge driver commonly used in various applications, including:
1. DC Motor Control: For driving small to medium-sized DC motors in robotics and automation.
2. Stepper Motor Driving: Enables precise control of stepper motors in printers and CNC machines.
3. Solenoid Control: Drives solenoids for locking mechanisms and actuators in various devices.
4. Industrial Automation: Used in conveyor systems and automated machinery.
5. Consumer Electronics: Powers motors in toys, appliances, and other electronic devices.
Its ability to drive bipolar and unipolar motors makes it versatile in these applications.

Package

The UDN2982LW is typically packaged in a 16-pin DIP (Dual In-line Package). This package type facilitates easy integration into various electronic circuits and prototyping applications.

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