規格
| 屬性 | 價值 |
| Package | Bulk,Tube |
| Series | ULx200xA |
| ProductStatus | Active |
| SwitchType | Relay, Solenoid Driver |
| NumberofOutputs | 7 |
| Ratio-Input:Output | 1:1 |
| OutputConfiguration | Low Side |
| OutputType | NPN |
| Interface | Parallel |
| Voltage-Load | 50V (Max) |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 500mA |
| InputType | Inverting |
| OperatingTemperature | -40°C ~ 105°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 16-SOIC |
概述
Description
The ULN2003AID is a high-voltage, high-current Darlington transistor array. It is commonly used for driving loads that require more current than standard integrated circuits can provide. Each of its seven channels can sink up to 500 mA and withstand voltages up to 50V. The device is often used to control relays, lamps, LEDs, and stepper motors in a variety of applications, including automotive, industrial, and consumer electronics.
The ULN2003AID is designed to interface directly with TTL or CMOS logic circuits, providing a simple way to control high-power loads with low-power signals. Built-in suppression diodes make it suitable for driving inductive loads, helping protect the transistors from voltage spikes.
The device is housed in a small DIP or SOIC package, making it easy to incorporate into various circuit designs. Its wide acceptance and reliability make it a popular choice for engineers looking to manage multiple high-power outputs from a single IC.
The ULN2003AID is designed to interface directly with TTL or CMOS logic circuits, providing a simple way to control high-power loads with low-power signals. Built-in suppression diodes make it suitable for driving inductive loads, helping protect the transistors from voltage spikes.
The device is housed in a small DIP or SOIC package, making it easy to incorporate into various circuit designs. Its wide acceptance and reliability make it a popular choice for engineers looking to manage multiple high-power outputs from a single IC.
Equivalent
The ULN2003AID is a Darlington transistor array, and its equivalent products include the following:
1. ULN2003A
2. ULN2003AN
3. ULN2003APG
4. MC1413
5. M54533
6. TD62003
These equivalents have similar configurations and functions, making them suitable substitutes in many applications involving relay and motor control. Always verify pin configuration and electrical characteristics to ensure compatibility.
1. ULN2003A
2. ULN2003AN
3. ULN2003APG
4. MC1413
5. M54533
6. TD62003
These equivalents have similar configurations and functions, making them suitable substitutes in many applications involving relay and motor control. Always verify pin configuration and electrical characteristics to ensure compatibility.
Features
The ULN2003AID is a high-voltage, high-current Darlington transistor array commonly used for interfacing with microcontrollers. Key features include:
1. Configuration: Comprises seven NPN Darlington pairs, each pair capable of driving loads up to 500 mA.
2. Voltage Range: Handles output voltages up to 50V, suitable for interfacing with high-voltage components.
3. Input Compatibility: Compatible with TTL and CMOS logic levels, making it versatile for various digital systems.
4. Diode Protection: Includes integrated clamp diodes for inductive load suppression, protecting the device from voltage spikes.
5. Compact Packaging: Available in 16-pin DIP or SOIC packages, optimizing space for PCB designs.
6. Thermal Management: Features efficient heat dissipation capabilities, allowing for reliable operation under high-current conditions.
7. Applications: Commonly used for driving relays, stepper motors, LEDs, and similar loads where logic circuits cannot supply the necessary current or voltage.
8. Ease of Use: Simplifies circuit design by reducing the need for additional components to drive high-power loads directly from microcontroller outputs.
These features make the ULN2003AID a popular choice for industrial and consumer electronic applications requiring robust load-driving capabilities.
1. Configuration: Comprises seven NPN Darlington pairs, each pair capable of driving loads up to 500 mA.
2. Voltage Range: Handles output voltages up to 50V, suitable for interfacing with high-voltage components.
3. Input Compatibility: Compatible with TTL and CMOS logic levels, making it versatile for various digital systems.
4. Diode Protection: Includes integrated clamp diodes for inductive load suppression, protecting the device from voltage spikes.
5. Compact Packaging: Available in 16-pin DIP or SOIC packages, optimizing space for PCB designs.
6. Thermal Management: Features efficient heat dissipation capabilities, allowing for reliable operation under high-current conditions.
7. Applications: Commonly used for driving relays, stepper motors, LEDs, and similar loads where logic circuits cannot supply the necessary current or voltage.
8. Ease of Use: Simplifies circuit design by reducing the need for additional components to drive high-power loads directly from microcontroller outputs.
These features make the ULN2003AID a popular choice for industrial and consumer electronic applications requiring robust load-driving capabilities.
Pinout
The ULN2003AID is a 16-pin integrated circuit designed as a high-voltage, high-current Darlington transistor array. It is commonly used to drive loads like relays, stepper motors, and lamps. Here is a concise overview of its pin configuration and functions:
1. Pins 1-7 (Input 1-7): These are the input pins for channels 1 through 7. They receive the TTL or CMOS logic level signals.
2. Pin 8 (GND): Ground pin for the IC.
3. Pins 9-15 (Output 1-7): These are the output pins corresponding to inputs 1 through 7. They are connected to the load.
4. Pin 16 (COM): Common freewheeling diode pin, typically connected to the power supply of the inductive loads to handle back EMF.
The ULN2003AID can handle a wide range of voltages and currents, up to 50V and 500mA per channel, making it versatile for interfacing between low-power control systems and higher power loads.
1. Pins 1-7 (Input 1-7): These are the input pins for channels 1 through 7. They receive the TTL or CMOS logic level signals.
2. Pin 8 (GND): Ground pin for the IC.
3. Pins 9-15 (Output 1-7): These are the output pins corresponding to inputs 1 through 7. They are connected to the load.
4. Pin 16 (COM): Common freewheeling diode pin, typically connected to the power supply of the inductive loads to handle back EMF.
The ULN2003AID can handle a wide range of voltages and currents, up to 50V and 500mA per channel, making it versatile for interfacing between low-power control systems and higher power loads.
Manufacturer
The ULN2003AID is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. It is one of the world's largest and most well-known semiconductor companies, providing a wide range of products for industries including automotive, industrial, personal electronics, communications, and enterprise systems. TI is renowned for its innovation in technology and extensive portfolio of analog and digital signal processing solutions.
Application
The ULN2003AID is a high-voltage, high-current Darlington transistor array commonly used in applications requiring control of moderate to high power loads. Its primary application areas include:
1. Relay Driving: Controls relays in various circuit applications.
2. Stepper Motors: Drives stepper motors in printers, scanners, and robotics.
3. LED Displays: Manages LED matrix and LED display panels.
4. Solenoids: Operates solenoids in automation systems.
5. Lamp Drivers: Used in automotive and industrial lamp driving circuits.
Its capability to handle high voltages and currents makes it suitable for interfacing microcontrollers with high-power components.
1. Relay Driving: Controls relays in various circuit applications.
2. Stepper Motors: Drives stepper motors in printers, scanners, and robotics.
3. LED Displays: Manages LED matrix and LED display panels.
4. Solenoids: Operates solenoids in automation systems.
5. Lamp Drivers: Used in automotive and industrial lamp driving circuits.
Its capability to handle high voltages and currents makes it suitable for interfacing microcontrollers with high-power components.
Package
The ULN2003AID is housed in a SOIC-16 (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology and features 16 pins, making it compact for use in various electronic applications.
