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ULN2003VAS16-13
Product Overview
Category
The ULN2003VAS16-13 belongs to the category of integrated circuits (ICs) and specifically falls under the family of high-voltage, high-current Darlington transistor arrays.
Use
This product is commonly used as a driver for inductive loads such as relays, solenoids, and stepper motors. It is designed to handle higher current and voltage requirements, making it suitable for various industrial and automotive applications.
Characteristics
- High-voltage and high-current capability
- Darlington transistor array
- Suitable for inductive load driving
- Integrated protection diodes
- Low power consumption
Package
The ULN2003VAS16-13 is typically available in a small outline integrated circuit (SOIC) package, which provides ease of handling and integration into electronic designs.
Essence
The essence of this product lies in its ability to efficiently drive inductive loads while offering robust performance and protection features.
Packaging/Quantity
It is commonly supplied in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Maximum Output Current: 500 mA per channel
- Maximum Output Voltage: 50 V
- Input Voltage: 5 V to 15 V
- Number of Channels: 7
- Operating Temperature Range: -40°C to 105°C
- Package Type: SOIC-16
Detailed Pin Configuration
The ULN2003VAS16-13 features a 16-pin configuration, with each pin serving specific functions related to input, output, and power supply connections. The detailed pinout includes the input pins for each channel, common ground, and output pins for driving the inductive loads.
Functional Features
- High-current and high-voltage outputs
- Built-in clamp diodes for inductive load protection
- TTL and CMOS compatible inputs
- Thermal shutdown protection
- Wide operating voltage range
Advantages
- Robust inductive load driving capabilities
- Integrated protection diodes for reliability
- Compatibility with various logic levels
- Thermal shutdown feature for added safety
- Wide operating voltage range for versatility
Disadvantages
- Limited maximum output current per channel
- Higher power dissipation compared to some alternative models
- Relatively larger package size compared to SMD alternatives
Working Principles
The ULN2003VAS16-13 operates based on the Darlington transistor array configuration, which allows it to amplify the input signals and drive inductive loads with higher current and voltage requirements. The built-in protection diodes ensure that back electromotive force generated by inductive loads does not damage the device or the connected circuitry.
Detailed Application Field Plans
This product finds extensive use in various applications, including: - Automotive systems: Driving automotive relays and solenoids - Industrial automation: Controlling stepper motors and actuators - Consumer electronics: Interface between microcontrollers and high-power peripherals - Robotics: Driving motors and actuators in robotic systems
Detailed and Complete Alternative Models
Some alternative models to the ULN2003VAS16-13 include: - ULN2003A: Similar functionality with lower voltage and current ratings - ULN2803: Higher channel count with similar characteristics - DRV8840: Integrated motor driver with additional features
In conclusion, the ULN2003VAS16-13 offers a reliable solution for driving inductive loads in various applications, with its high-voltage, high-current capabilities and integrated protection features making it a popular choice among designers seeking efficient and robust driver solutions.
Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ULN2003VAS16-13 i tekniske løsninger
What is ULN2003VAS16-13?
- ULN2003VAS16-13 is a high-voltage, high-current Darlington transistor array commonly used in applications requiring driving of relays, lamps, and LED displays.
What is the maximum voltage and current rating for ULN2003VAS16-13?
- The ULN2003VAS16-13 has a maximum voltage rating of 50V and a maximum current rating of 500mA per channel.
How many channels does ULN2003VAS16-13 have?
- ULN2003VAS16-13 has 7 channels, each consisting of a Darlington pair.
What are the typical applications of ULN2003VAS16-13?
- Typical applications include driving stepper motors, relays, and other high-current or high-voltage loads in various technical solutions.
What is the input logic compatibility of ULN2003VAS16-13?
- ULN2003VAS16-13 is compatible with TTL, DTL, PMOS, CMOS, and other logic levels.
What protection features does ULN2003VAS16-13 offer?
- ULN2003VAS16-13 includes integral transient suppression diodes for inductive loads and thermal shutdown for overload protection.
Can ULN2003VAS16-13 be used for driving DC motors?
- Yes, ULN2003VAS16-13 can be used to drive small DC motors within its current and voltage ratings.
What is the recommended operating temperature range for ULN2003VAS16-13?
- The recommended operating temperature range is -20°C to 85°C.
Can ULN2003VAS16-13 be cascaded for higher current or voltage requirements?
- Yes, multiple ULN2003VAS16-13 devices can be cascaded to achieve higher current or voltage handling capabilities.
Is there a specific layout or PCB design consideration when using ULN2003VAS16-13?
- It is recommended to keep the input and output traces as short as possible and to provide adequate heat sinking for the device, especially when driving high currents.