LMR33620BQRNXRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR33620BQRNXRQ1 is an automotive-grade synchronous step-down voltage converter from Texas Instruments. It operates with an input voltage range of 3.8 V to 36 V and delivers a continuous output current of 2 A. The device integrates high-side and low-side N-channel power MOSFETs for efficient power conversion. It features ultra-low electromagnetic interference (EMI) performance, supporting both pulse-width modulation (PWM) and pulse-frequency modulation (PFM) modes. The adjustable output voltage ranges from 1 V to 24 V. It is housed in a 12-pin VQFN-HR package rated for junction temperatures up to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side N-channel power MOSFETs
• Ultra-low EMI design capabilities
• Selectable PWM or PFM operation modes
• Automotive AEC-Q100 qualification

Voltage Regulators - DC DC Switching Regulators Applications

• In-vehicle infotainment systems
• Telematics control units
• Body control modules
• Gateway electronic control units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'BQRNXRQ1' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the component meets AEC-Q100 Grade 1 requirements for your target application environment. Cross-reference the manufacturing date code and lot traceability to satisfy automotive quality standards before final integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust 36-V input tolerance and 2-A load capacity. It is suitable for applications needing flexible switching frequency options to optimize external component size while maintaining strict EMI limits. Consider the VQFN-HR package for compact board layouts where thermal dissipation through exposed pads is required.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR33620-Q1 family of SIMPLE SWITCHER converters. It shares core architecture with non-automotive variants but includes enhanced reliability testing and documentation specific to automotive electronics. The family supports various output configurations and packaging options to address diverse power management needs in vehicle networks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR33620CRNXR

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LMR33620BQRNXRQ1?

The device supports a maximum input voltage of 36 V.

Does the LMR33620BQRNXRQ1 support adjustable output voltage?

Yes, the output voltage is adjustable from 1 V to 24 V using external resistors.