LM43602AQPWPRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM43602AQPWPRQ1 is an automotive-qualified synchronous buck switching regulator from Texas Instruments. It operates with an input voltage range of 3.5 V to 36 V and delivers a continuous output current of 2 A. The device features an adjustable output voltage ranging from 1 V to 28 V. Key electrical parameters include a quiescent current of 27 uA and a switchable frequency between 200 kHz and 2.2 MHz. It is housed in a 16-HTSSOP package and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments.
• Integrated synchronous rectification provides high efficiency across the load and line conditions.
• Wide input voltage capability accommodates various automotive power bus architectures.
• Adjustable switching frequency allows optimization for external component size and transient response.

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Instrument cluster voltage regulation
• Telematics control unit power supplies

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 qualification status matches specific automotive application requirements. Check datasheet for moisture sensitivity level handling instructions prior to assembly. Ensure compatibility with existing bill of materials regarding pinout and thermal characteristics.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2 A synchronous buck converter with wide input range is required for automotive systems. Compare against LM46002AQPWPRQ1 if higher input voltage tolerance up to 60 V is needed. Consider LM53602AQPWPRQ1 for applications requiring extended junction temperature ratings up to 150°C. Evaluate footprint constraints as all variants share similar HTSSOP-16 packages.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM43602-Q1 family of SIMPLE SWITCHER regulators. It shares architectural similarities with other automotive buck converters like the LM46002 and LM53602 series. These components are designed to simplify power supply design through integrated controllers and drivers. The family targets cost-sensitive automotive electronics requiring reliable DC-DC conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM46002AQPWPRQ1 offers higher input voltage support up to 60 V. LM53602AQPWPRQ1 provides extended temperature operation up to 150°C. LM43603AQPWPRQ1 delivers higher output current capacity at 3 A. Verify pin-to-pin compatibility and thermal performance before substitution.