The ULN2003LVPWR from Texas Instruments is a robust high-voltage, high-current Darlington transistor array designed for interfacing between low-level logic circuits and multiple peripheral power loads. This integrated circuit consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
Each channel of the ULN2003LVPWR is rated at 500 mA and can withstand peak currents of 600 mA, making it an ideal solution for driving a wide range of loads such as relays, solenoids, and small motors. The collector-current rating of each Darlington pair is 500 mA, and the entire array is capable of handling up to 7 different loads simultaneously.
Key Features:
- High-Voltage Outputs: The device can handle output voltages up to 50V, which is suitable for various high-voltage applications.
- Output Clamp Diodes: Each channel includes an integrated suppression diode for inductive loads, providing protection against voltage spikes.
- High Current Drive Capability: With each channel capable of driving 500 mA, the array can control several high-power components.
- Direct Interface to Logic: The ULN2003LVPWR can be directly connected to TTL, CMOS, PMOS, and other logic systems.
Applications:
- Relay Drivers
- Stepper and DC Brushed Motor Drivers
- Lamp Drivers
- Display Drivers (LED and Gas Discharge)
- Line Drivers
- Logic Buffers
The ULN2003LVPWR is available in a TSSOP-16 package, offering a compact footprint for space-constrained applications. Its enhanced performance and reliability make it an excellent choice for designers looking to create efficient and robust driver solutions for their electronic devices.
With its combination of high-voltage and high-current capabilities, the ULN2003LVPWR from Texas Instruments stands out as a versatile component for a wide array of industrial, consumer, and commercial applications.