LM25190RGYR

$2.69

Description：42V-IN SYNCHRONOUS BUCK CONTROLL
Series：*
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:7da4a7afcd9e Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM25190RGYR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is 42V-IN SYNCHRONOUS BUCK CONTROLL. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM25190RGYR

Description：42V-IN SYNCHRONOUS BUCK CONTROLL
Series：*
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：-
Output Configuration：-
Topology：-
Output Type：-
Number of Outputs：-
Voltage - Input (Min)：-
Voltage - Input (Max)：-
Voltage - Output (Min/Fixed)：-
Voltage - Output (Max)：-
Current - Output：-
Frequency - Switching：-
Synchronous Rectifier：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM25190RGYR

LM25190RGYR

Voltage Regulators - DC DC Switching Regulators Overview

The LM25190RGYR is a synchronous buck controller from Texas Instruments designed for high-voltage power conversion applications. It operates with an input voltage range of 4.5V to 60V and supports output voltages down to 0.8V. The device integrates a high-side N-channel MOSFET driver and features adjustable switching frequencies from 100kHz to 1MHz. Key electrical specifications include a maximum duty cycle of 99% and a quiescent current of 350µA during operation. It is housed in a 19-pin VQFN package rated for junction temperatures up to 150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a high-side N-channel MOSFET driver to reduce external component count
Supports wide input voltage ranges suitable for industrial and automotive systems
Features programmable switching frequency for optimized efficiency and size
Includes comprehensive protection mechanisms such as overvoltage, undervoltage, and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

Industrial point-of-load regulation
Automotive infotainment and body control modules
Telecommunications infrastructure power supplies
Distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'RGYR' corresponds to the VQFN-EP-19 package and reel packaging configuration. Confirm RoHS compliance status and moisture sensitivity level (MSL) requirements for your assembly process. Ensure the ordering part number matches the exact temperature grade and tape-and-reel quantity specified in the manufacturer's latest datasheet to avoid integration errors.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this controller when designing synchronous buck converters requiring input voltages up to 60V. It is suitable for applications needing high efficiency across wide load ranges and flexible switching frequency adjustment. Consider the integrated high-side driver for simplified gate drive requirements. Evaluate thermal performance based on the exposed pad thermal characteristics and ambient operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM25190 belongs to Texas Instruments' family of high-voltage synchronous buck controllers. It complements other devices like the LM5190 and LM25145 by offering a balance of high input voltage capability and integrated power stage drivers. This series targets robust power management solutions for demanding environments where reliability and compact design are critical.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs against similar high-voltage buck controllers from the same manufacturer or alternative suppliers.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.