LM2901QPWRRBG4

Overview

The LM2901QPWRRBG4 is an automotive-grade quad differential comparator manufactured by Texas Instruments. It operates on a single supply voltage ranging from 2V to 30V or dual supplies of ±1V to ±15V. The device features four independent comparators with open-collector outputs, capable of sourcing up to 4mA per channel. Key electrical specifications include a maximum input offset voltage of 7mV at 5V and a maximum input bias current of 0.25µA. It supports a wide operating temperature range from -40°C to +125°C and is housed in a PW (TSSOP) package.

Feature Summary

• Automotive qualification for reliable operation in vehicle environments
• Quad configuration providing four independent differential comparators
• Wide single or dual power supply compatibility
• Open-collector output structure for flexible interfacing

Applications

• Automotive sensor signal conditioning
• Voltage monitoring circuits in vehicles
• Threshold detection systems
• Battery management unit interfaces

Procurement Notes

Verify the specific suffix 'BG4' against official Texas Instruments documentation to confirm it denotes the correct tape-and-reel packaging and automotive grade variant. Ensure the component meets AEC-Q100 standards if required for your specific application. Cross-reference the full part number with manufacturer databases to avoid confusion with non-automotive equivalents like the standard LM2901 series.

Selection Notes

Select this component when automotive reliability and wide supply voltage ranges are critical. It is suitable for applications requiring multiple comparison functions in a compact TSSOP package. Consider the open-collector output limitation when designing pull-up resistor networks. Verify that the 7mV offset voltage specification meets the precision requirements of your sensing circuitry.

Part Context

This part belongs to the LM2901 family of quad differential comparators. The 'Q1' designation indicates automotive qualification. It serves as a robust alternative to operational amplifiers used as comparators in high-voltage or noisy automotive environments. The device integrates four comparators into a single low-profile package, reducing board space compared to discrete solutions.

Replacement Considerations

Direct substitutes may include other automotive-qualified quad comparators from Texas Instruments or compatible devices from manufacturers like NXP or STMicroelectronics. Verify pinout compatibility and electrical parameter equivalence before substitution.