LM46001AQPWPTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM46001AQPWPTQ1 is an automotive-qualified synchronous buck switching regulator from Texas Instruments. It operates with an input voltage range of 3.5 V to 60 V and provides a positive adjustable output voltage between 1 V and 28 V. The device delivers a continuous output current of 1 A. Key electrical parameters include a quiescent current of 24 uA and a switch frequency ranging from 200 kHz to 2.2 MHz. It is housed in a 16-PowerTSSOP package and supports operation temperatures from -40°C to +125°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Wide input voltage capability supporting high-voltage automotive bus architectures up to 60 V.
• Integrated synchronous rectification for improved efficiency across the load range.
• Adjustable output voltage allows flexible configuration for various system requirements.

Voltage Regulators - DC DC Switching Regulators Applications

• High-voltage automotive power distribution systems
• On-board charger (OBC) intermediate stage regulation
• Infotainment and telematics unit power supplies
• Body control module (BCM) voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and temperature grade. Confirm AEC-Q100 certification status if required by specific automotive tier standards. Check datasheet for moisture sensitivity level handling instructions prior to assembly. Ensure input voltage does not exceed maximum ratings during transient conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 60 V is required for automotive applications. Choose over non-automotive variants if AEC-Q100 compliance is mandatory. Consider the 1 A output current limit against peak load demands. Verify thermal performance within the 16-PowerTSSOP package for the intended ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM46001-Q1 series of SIMPLE SWITCHER regulators. It shares topology with the LM46002-Q1 but offers lower current capacity. The 'A' suffix typically denotes specific manufacturing or revision details, while 'PWPT' indicates the HTSSOP package and tape/reel shipping method.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM46001QPWPRQ1 is a related variant within the same family. Verify pinout compatibility and exact electrical parameter alignment before substitution. Ensure the replacement maintains the required automotive qualification level.