LM25119QPSQ/NOPB

$6.14

Description：IC REG CTRLR BUCK 32WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:caad0a24bc68 Category: DC DC Switching Controllers Brand: Texas Instruments

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Product introduction

LM25119QPSQ/NOPB is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG CTRLR BUCK 32WQFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LM25119QPSQ/NOPB

Description：IC REG CTRLR BUCK 32WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：4.5V ~ 42V
Frequency - Switching：50kHz ~ 750kHz
Duty Cycle (Max)：-
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Frequency Control, Ramp, Reset, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：32-WFQFN Exposed Pad
Supplier Device Package：32-WQFN (5x5)
Grade：Automotive
Qualification：AEC-Q100

DC DC Switching Controllers datasheet and documents for LM25119QPSQ/NOPB

LM25119QPSQ/NOPB

DC DC Switching Controllers Overview

The LM25119QPSQ/NOPB is an automotive-grade dual synchronous buck controller from Texas Instruments, designed for wide input voltage applications. It supports a VIN range of 3V to 42V and delivers two independent outputs with up to 3.5A current capability per channel. The device operates at switching frequencies between 50 kHz and 750 kHz, featuring a maximum duty cycle of 75%. It functions within a temperature range of -40°C to +125°C and utilizes a 24-WQFN package.

DC DC Switching Controllers Feature Summary

Dual synchronous buck topology providing independent control over two output channels
Wide input voltage range supporting 3V to 42V supply conditions
Integrated soft-start and frequency synchronization capabilities

DC DC Switching Controllers Applications

Automotive infotainment systems requiring multi-rail power distribution
On-board charger (OBC) auxiliary power supplies
DC-DC conversion in electric vehicle traction inverters

DC DC Switching Controllers Procurement Notes

Verify the Q suffix indicates AEC-Q100 qualification status and NOPB confirms lead-free/RoHS compliance. Confirm the PSQ package designation matches the required 24-WQFN footprint. Ensure the specific revision level aligns with your design's thermal and electrical requirements before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component when designing dual-output DC-DC converters for automotive environments. It is suitable for applications needing wide input ranges and high efficiency. Consider the 24-WQFN package for space-constrained PCB layouts. Evaluate thermal performance based on the expected load currents and ambient temperatures.

DC DC Switching Controllers Part Context

This part belongs to the LM25119 family of wide input range dual synchronous buck controllers. It is specifically qualified for automotive use, distinguishing it from standard industrial variants. The device complements other TI power management solutions by offering integrated control for complex multi-phase or dual-rail architectures.