Texas Instruments Bipolar Transistor Array, NPN, 50V, 500mA, TSSOP

The Texas Instruments Bipolar Transistor Array is a high-voltage, high-current integrated solution, specifically designed as a reliable and efficient driver for a wide range of industrial and electronic applications. This surface-mount device contains seven open-collector Darlington pairs with common emitters, offering significant power amplification in a compact TSSOP package. It simplifies circuit design by integrating essential protection features, such as suppression diodes for inductive loads, directly on the chip.

Engineered for robust performance, this array is compatible with various logic families, including TTL, CMOS, PMOS, and DTL, ensuring seamless integration into both modern and legacy digital systems. A key design feature is the strategic placement of input pins opposite the output pins, which greatly simplifies PCB layout and routing, reducing potential for noise and crosstalk.

The array's capability to handle up to 500mA per output channel and withstand voltages up to 50V makes it exceptionally versatile. For applications requiring even higher current capacity, the outputs can be safely paralleled. Its wide supply voltage range of 6V to 15V provides flexibility in different power supply environments.

Ideal Applications

This component is perfectly suited for driving demanding loads where reliability is critical. Its primary uses include:

• Controlling relays and solenoids
• Driving stepper motors and DC brushed motors
• Powering indicator lamps and display drivers (including LEDs and gas discharge)
• Acting as a line driver or logic buffer to interface between low-power logic and higher-power peripherals

With a maximum operating temperature of 105°C and a compact footprint, it is built for durability in challenging conditions. This Texas Instruments transistor array represents a high-quality, industry-standard component for engineers and designers seeking