LM34936QPWPRQ1

DC DC Switching Controllers Overview

The LM34936QPWPRQ1 is an automotive-qualified, wide input voltage synchronous buck-boost switching controller manufactured by Texas Instruments. It operates within a 4.2 V to 30 V supply range and delivers up to 4 A of output current. The device supports adjustable switching frequencies of 200 kHz and 390 kHz, with a maximum duty cycle of 100%. It provides four independent outputs ranging from 800 mV to 30 V. Packaged in a 28-pin HTSSOP, it functions reliably between -40°C and +125°C.

DC DC Switching Controllers Feature Summary

• Supports non-isolated buck-boost topology for flexible voltage conversion
• Provides four independent regulated output channels
• Includes shutdown functionality for power management

DC DC Switching Controllers Applications

• Automotive electronic control units
• Vehicle infotainment systems
• Body control modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'PWPRQ1' against the official datasheet to confirm package type and tape-and-reel specifications. Ensure the component meets AEC-Q100 qualification requirements for your target automotive application. Cross-reference the manufacturer part number directly with Texas Instruments documentation to avoid counterfeit or obsolete variants.

DC DC Switching Controllers Selection Notes

Select this controller when designing circuits requiring simultaneous multi-rail generation from a variable automotive input source. It is suitable for applications needing both step-up and step-down capabilities within a single stage. Consider the 28-pin HTSSOP footprint for thermal and space constraints during PCB layout planning.

DC DC Switching Controllers Part Context

This component belongs to the LM34936 series of wide VIN synchronous buck-boost controllers. It is designed specifically for automotive environments, offering robust performance under varying load and line conditions. The device integrates high-side and low-side drivers to minimize external component count while maintaining efficiency across diverse operating temperatures.

DC DC Switching Controllers Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same family. Verify that any substitute maintains the required 30 V input limit and four-channel output configuration.