Overview
The ULQ2003A-Q1, produced by Texas Instruments, is a high-voltage, high-current Darlington transistor array. This device is designed to consist of seven npn Darlington pairs, each featuring high-voltage outputs with common-cathode clamp diodes. These clamp diodes are particularly useful for switching inductive loads. The ULQ2003A-Q1 is qualified for automotive applications and is compatible with various types of logic, including TTL and 5V CMOS devices, thanks to its 2.7kΩ series base resistor for each Darlington pair.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOIC (D), 16 Pins |
| Operating Temperature Range (°C) | -40 to 125 |
| Collector Current Rating (single output) | 500mA |
| High-Voltage Outputs | 50V |
| Series Base Resistor | 2.7kΩ |
| ESD Protection | Exceeds 200V using machine model (C = 200pF, R = 0) |
| Package Quantity | Carrier 2,500 (T&R), Carrier 40 (TUBE) |
Key Features
- Qualified for automotive applications
- ESD protection exceeds 200V using machine model (C = 200pF, R = 0)
- 500mA-rated collector current (single output)
- High-voltage outputs: 50V
- Output clamp diodes for switching inductive loads
- Inputs compatible with various types of logic (TTL, 5V CMOS)
- Relay-driver applications
Applications
The ULQ2003A-Q1 is versatile and can be used in a variety of applications, including:
- Automotive systems: Due to its automotive qualification, it is suitable for use in vehicle electronics.
- Relay drivers: The high-current and high-voltage capabilities make it ideal for driving relays.
- Inductive load switching: The presence of common-cathode clamp diodes makes it suitable for switching inductive loads.
- General-purpose switching: It can be used in various switching applications where high current and voltage are required.
Q & A
- What is the ULQ2003A-Q1?
The ULQ2003A-Q1 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. - What is the collector current rating of the ULQ2003A-Q1?
The collector current rating of a single Darlington pair is 500mA. - What is the operating temperature range of the ULQ2003A-Q1?
The operating temperature range is -40°C to 125°C. - Is the ULQ2003A-Q1 compatible with TTL and CMOS devices?
Yes, it is compatible with TTL and 5V CMOS devices due to its 2.7kΩ series base resistor. - What type of ESD protection does the ULQ2003A-Q1 offer?
The ULQ2003A-Q1 offers ESD protection that exceeds 200V using the machine model (C = 200pF, R = 0). - What are the high-voltage outputs of the ULQ2003A-Q1?
The high-voltage outputs are rated at 50V. - Can the Darlington pairs be paralleled for higher current capability?
Yes, the Darlington pairs can be paralleled to achieve higher current capability. - What type of packaging is available for the ULQ2003A-Q1?
The device is available in SOIC (D) packages with 16 pins. - What are some common applications of the ULQ2003A-Q1?
Common applications include automotive systems, relay drivers, and inductive load switching. - Does the ULQ2003A-Q1 have output clamp diodes?
Yes, it features output clamp diodes for switching inductive loads.
