UDN2559LBTR-T

Product Overview

Category: Integrated Circuit (IC)

Use: The UDN2559LBTR-T is a high-voltage, high-current source driver IC. It is commonly used in applications that require driving loads such as solenoids, relays, and lamps.

Characteristics: - High voltage and current capability - Low power consumption - Fast switching speed - Built-in protection features - Compact size

Package: The UDN2559LBTR-T is available in a small outline package (SOP) with 16 pins.

Essence: This IC serves as an interface between low-level logic signals and high-power devices, providing the necessary amplification and control for efficient load driving.

Packaging/Quantity: The UDN2559LBTR-T is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage: 5V to 15V
• Output Current: Up to 500mA
• Maximum Output Voltage: 50V
• Input Logic Levels: TTL/CMOS compatible
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The UDN2559LBTR-T has 16 pins arranged as follows:

1 VCC 2 GND 3 IN1 4 IN2 5 IN3 6 IN4 7 OUT1 8 OUT2 9 OUT3 10 OUT4 11 ENABLE 12 NC 13 NC 14 NC 15 NC 16 NC

Functional Features

• Four independent input channels for controlling four output channels.
• Enable pin for enabling/disabling all output channels simultaneously.
• Built-in flyback diodes for inductive load protection.
• Internal thermal shutdown protection.
• High noise immunity.

Advantages and Disadvantages

Advantages: - High voltage and current capability allows driving of various loads. - Fast switching speed ensures quick response time. - Compact size saves board space. - Built-in protection features enhance reliability. - Wide operating temperature range enables usage in harsh environments.

Disadvantages: - Limited number of output channels (four). - Requires external power supply.

Working Principles

The UDN2559LBTR-T operates by receiving input signals from a microcontroller or other logic devices. These input signals control the output channels, which in turn drive the connected loads. The IC amplifies the low-level logic signals to provide sufficient voltage and current for efficient load driving. The built-in protection features ensure safe operation and prevent damage to the IC and connected devices.

Detailed Application Field Plans

The UDN2559LBTR-T finds applications in various fields, including:

1. Industrial Automation: Controlling solenoids, relays, and motors in manufacturing processes.
2. Automotive Electronics: Driving lamps, fans, and other high-power components in vehicles.
3. Robotics: Actuating robotic arms, grippers, and other mechanical parts.
4. Home Appliances: Operating valves, pumps, and actuators in appliances like washing machines and dishwashers.
5. Lighting Systems: Controlling high-power LED arrays and lighting fixtures.

Detailed and Complete Alternative Models

1. UDN2981A: An octal high-current source driver with open-drain outputs.
2. ULN2803A: An eight-channel high-voltage, high-current Darlington transistor array.
3. TC4420: A high-speed MOSFET driver with independent input and output pins.

These alternative models offer similar functionality and can be considered as substitutes for the UDN2559LBTR-T in different applications.

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