Overview
The ULN2002ANE4 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This device is part of the ULN2002 series and is designed for various high-current drive applications. It consists of seven NPN Darlington pairs, each capable of handling high-voltage and high-current loads. The ULN2002ANE4 is particularly suited for use with 14V to 25V PMOS devices, making it versatile for a range of industrial and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 50 | V |
| Continuous Collector Current | 500 | mA |
| Peak Collector Current | 600 | mA |
| Input Voltage | 30 | V |
| Continuous Base Current | 25 | mA |
| Clamping Diode Reverse Voltage | 50 | V |
| Operating Ambient Temperature Range | -40 to 85 | °C |
| Storage Temperature Range | -55 to 150 | °C |
| Junction Temperature | 150 | °C |
| Electrostatic Discharge Rating - HBM | 2 | kV |
| Thermal Resistance Junction-Ambient (DIP-16) | 70 | °C/W |
Key Features
- Seven NPN Darlington pairs per package, each rated at 500 mA with a peak current of 600 mA.
- High-voltage outputs: 50 V.
- Integrated suppression diodes for inductive loads.
- Outputs can be paralleled for higher current capability.
- Inputs compatible with TTL, CMOS, PMOS, and DTL logic families.
- Input pins placed opposite to output pins to simplify board layout.
- Specifically designed for use with 14V to 25V PMOS devices.
- Each input has a Zener diode and resistor in series to control the input current to a safe limit.
Applications
- Relay drivers.
- Stepper and DC brushed motor drivers.
- Lamp drivers.
- Display drivers (LED and gas discharge).
- Line drivers.
- Logic buffers.
- Solenoids, DC motors, LED display filament lamps, thermal printheads, and high-power buffers.
Q & A
- What is the ULN2002ANE4?
The ULN2002ANE4 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments.
- How many Darlington pairs does the ULN2002ANE4 contain?
The ULN2002ANE4 contains seven NPN Darlington pairs.
- What is the maximum output voltage of the ULN2002ANE4?
The maximum output voltage is 50 V.
- What is the continuous collector current rating of each Darlington pair?
Each Darlington pair is rated at 500 mA with a peak current of 600 mA.
- What types of logic families are the inputs compatible with?
The inputs are compatible with TTL, CMOS, PMOS, and DTL logic families.
- What is the purpose of the integrated suppression diodes?
The integrated suppression diodes are used to suppress the kick-back voltage from inductive loads.
- Can the outputs be paralleled for higher current capability?
Yes, the outputs can be paralleled for higher current capability.
- What is the operating ambient temperature range of the ULN2002ANE4?
The operating ambient temperature range is -40 to 85°C.
- What is the junction temperature limit of the ULN2002ANE4?
The junction temperature limit is 150°C.
- What are some common applications of the ULN2002ANE4?
Common applications include relay drivers, stepper and DC brushed motor drivers, lamp drivers, display drivers, line drivers, and logic buffers.
