Texas Instruments

LM22671QMR-ADJ/NOPB  

DC Switching Voltage Regulators

LM22671QMR-ADJ/NOPB Description

The LM22671QMR-ADJ/NOPB from Texas Instruments is a high-performance, automotive-grade adjustable buck switching regulator designed for efficient DC-DC voltage conversion. Part of the SIMPLE SWITCHER® series, it delivers 500mA output current with a wide input voltage range of 4.5V to 42V and an adjustable output voltage from 1.285V to 37V. Operating at a 500kHz switching frequency, this regulator ensures compact designs while minimizing external component count. The device is housed in an 8-pin SOPWR package, optimized for surface-mount applications, and complies with ROHS3 and REACH environmental standards.

LM22671QMR-ADJ/NOPB Features

• Automotive-Grade Reliability: Qualified for harsh environments, making it ideal for automotive and industrial applications.
• High Efficiency: Non-synchronous buck topology with low dropout and minimal power dissipation.
• Wide Input Range: Supports 4.5V–42V input, suitable for 12V/24V automotive systems and industrial power supplies.
• Adjustable Output: Flexible output voltage (1.285V–37V) via external resistors.
• 500kHz Switching Frequency: Enables smaller inductors and capacitors for space-constrained designs.
• Robust Protection: Includes thermal shutdown, current limiting, and under-voltage lockout (UVLO).
• MSL3 Rated: Moisture sensitivity level ensures reliability in humid conditions.

LM22671QMR-ADJ/NOPB Applications

• Automotive Systems: Power supplies for infotainment, ADAS, and engine control units (ECUs).
• Industrial Equipment: Point-of-load (POL) regulation for PLCs, sensors, and motor drives.
• Telecom Infrastructure: Voltage regulation in base stations and networking hardware.
• Portable Devices: Battery-powered applications requiring efficient step-down conversion.
• Embedded Systems: Low-noise power for microcontrollers, FPGAs, and DSPs.

Conclusion of LM22671QMR-ADJ/NOPB

The LM22671QMR-ADJ/NOPB stands out for its wide input range, automotive compliance, and compact design, making it a superior choice for demanding applications. Its adjustable output, high efficiency, and robust protections ensure reliable performance in automotive, industrial, and telecom environments. Engineers benefit from reduced BOM costs and simplified layouts due to its integrated features and 500kHz switching frequency. For projects requiring a high-reliability, space-efficient buck regulator, this TI solution delivers exceptional value.

LM22671QMR-ADJ/NOPB Documents

Download datasheets and manufacturer documentation for LM22671QMR-ADJ/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Alternate Laser Marking Process Sequence for SOIC package (PDF)       Qualification of GFAB as an additional Wafer Fab site option for select devices in ABCD05/ABCD5HV Technology (PDF)      

Models :

LM22671QMR-ADJ/NOPB Symbol & Footprint by SnapMagic      

Product Catalogs :

TI's Compact Power Solution for Avnet's Xilinx Kintex-7 FPGA Board       Power Management for Altera FPGAs (Rev. E)      

SPICE Models :

LM22671-Q1-ADJ Unencrypted PSpice Transient Model       LM22671-Q1-ADJ PSpice Transient Model