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ULN2003AFWG

Name: ULN2003AFWG
Rating: 4.7 (12 reviews)

Toshiba

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Mfr.부분 #ULN2003AFWG
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데이터시트
재고 있음29646

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100% 원래 &새로운

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365 일 보장

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사양

개요

Description

The ULN2003AFWG is a high-voltage, high-current Darlington transistor array integrated circuit (IC) designed primarily to drive inductive loads such as relays, motors, and lamps. It contains seven open-collector Darlington pairs, each capable of sinking up to 500 mA and with a maximum voltage rating of 50 V. The device features built-in flyback diodes that protect against voltage spikes when switching inductive loads, making it ideal for driving applications in robotics and automation.
The ULN2003AFWG operates with a logic-level input, allowing it to interface easily with microcontrollers and other digital logic circuits. Its compact package makes it suitable for use in space-constrained applications. The IC is often used in configurations where multiple outputs are needed, such as in stepper motor control. Overall, the ULN2003AFWG is a versatile, efficient solution for power switching applications in electronic designs.

Features

The ULN2003AFWG is a high-voltage, high-current Darlington transistor array designed for driving loads such as relays, motors, and LEDs. Key features include:
1. Seven Darlington Pairs: Each capable of driving high current (up to 500 mA) and high voltage (up to 50 V).
2. Common Emitter Configuration: Allows for easy interfacing with TTL and CMOS logic levels.
3. Built-in Flyback Diodes: Protects against voltage spikes from inductive loads, enhancing circuit reliability.
4. Low Input Current: High gain allows for minimal input current requirements, facilitating control from low-power microcontrollers.
5. Thermal Protection: Integrated thermal shutdown for enhanced safety.
6. DIP and Surface Mount Packages: Available in multiple package options for versatile PCB design.
7. Wide Operating Temperature Range: Suitable for various environmental conditions, typically from -40°C to 85°C.
These features make the ULN2003AFWG an efficient choice for applications requiring reliable switching of high-power loads.

Package

The ULN2003AFWG is typically packaged in a 16-pin DIP (Dual In-line Package) format, suitable for through-hole mounting. It may also be available in surface-mount options like TSSOP.

Pinout

The ULN2003AFWG is a popular high-voltage, high-current Darlington transistor array. It typically features a 16-pin Dual In-Line Package (DIP) configuration. The pin count is 16, and the functions of the pins are as follows:
1. Pins 1-7: Inputs (IN1 to IN7) - These pins receive the control signals.
2. Pins 8: Common emitter (COM) - Connects to the power supply for the Darlington pairs, allowing them to handle higher voltages.
3. Pins 9-15: Outputs (OUT1 to OUT7) - These pins provide the output to the loads.
4. Pin 16: Ground (GND) - Connects to the circuit ground.
The ULN2003AFWG can drive relay coils, stepper motors, and other inductive loads, making it useful in various automation and control applications.

Manufacturer

The ULN2003AFWG is manufactured by Texas Instruments, a prominent semiconductor company. Texas Instruments (TI) specializes in designing and manufacturing a wide range of analog and embedded processing chips. The company is known for its innovation in various sectors, including automotive, industrial, communications, and consumer electronics. Established in 1930, TI has grown to become a leader in the semiconductor industry, providing solutions that support diverse applications, from simple electronic devices to complex systems. Their products, including the ULN2003AFWG, are widely used in electronics for driving loads such as motors, relays, and lamps, thanks to their versatility and reliability.

Application

The ULN2003AFWG is primarily used in applications involving driving inductive loads such as relays, stepper motors, and solenoids. It serves as a Darlington transistor array with high-voltage and high-current capabilities, making it suitable for interfacing low-power digital signals with high-power loads in automated systems, robotics, industrial control, and consumer electronics. Additionally, it is often used in applications requiring multiple drivers, such as LED matrices and control circuits.

Equivalent

The ULN2003AFWG chip is a Darlington transistor array. Equivalent products include the ULN2003, ULN2803, and ULN2004. These components serve similar functions in interfacing between logic devices and higher-power loads, providing multiple channels for driving inductive loads like relays and motors. Always check specific pin configurations and voltage ratings when considering substitutes.