TPS6281120QWRWYRQ1

$1.65

Description：IC REG BUCK ADJ 1A 9VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:6153e63757a2 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

TPS6281120QWRWYRQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 1A 9VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for TPS6281120QWRWYRQ1

Description：IC REG BUCK ADJ 1A 9VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.75V
Voltage - Input (Max)：6V
Voltage - Output (Min/Fixed)：0.6V
Voltage - Output (Max)：5.5V
Current - Output：1A
Frequency - Switching：1.8MHz ~ 4MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：9-VFQFN
Supplier Device Package：9-VQFN-HR (3x2)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for TPS6281120QWRWYRQ1

TPS6281120QWRWYRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS6281120QWRWYRQ1 is an automotive-grade step-down switching regulator from the Texas Instruments TPS62811 series. It operates with an input voltage range of 2.75 V to 6 V and delivers a maximum output current of 1 A. The device features an adjustable output voltage ranging from 600 mV to 5.5 V. It supports a switch frequency between 1.8 MHz and 4 MHz, ensuring high efficiency across various load conditions. Quiescent current is specified at 15 uA. The component is qualified under AEC-Q100 standards for automotive applications and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive qualification compliant with AEC-Q100 standards for reliable operation in vehicle environments
Integrated buck converter topology providing efficient step-down voltage regulation
Adjustable switching frequency allows optimization for size and performance trade-offs
Low quiescent current consumption enhances battery life in standby modes

Voltage Regulators - DC DC Switching Regulators Applications

Infotainment system power distribution
Telematics control unit supply
Body electronics power management
Sensor node voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific part number suffix matches the required output voltage configuration, as the TPS62811 family includes fixed and adjustable variants. Confirm AEC-Q100 qualification status is explicitly stated in the official datasheet for the specific revision. Ensure compatibility with the target PCB footprint, specifically the VQFN-HR-9 package dimensions. Cross-reference the thermal pad requirements with the manufacturer's application notes for proper soldering procedures.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an automotive-rated, single-output buck converter is required for inputs up to 6 V. The 1 A output capability suits moderate load applications where space constraints favor a compact VQFN-HR-9 package. Consider the adjustable frequency feature if electromagnetic interference (EMI) mitigation or specific inductor sizing is necessary. Compare against other family members like the TPS62810 or TPS62813 if higher current outputs are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS6281x-Q1 family of synchronous step-down converters designed for automotive use. It shares the same VQFN-HR-9 package and core architecture with other variants in the series, differing primarily in output current ratings and fixed versus adjustable output configurations. The family targets applications requiring high efficiency and small solution size in constrained automotive environments.