TPS54540BQDDARQ1 The Texas Instruments TPS54540BQDDARQ1 is a 5A step-down DC-DC converter designed for automotive applications. It features a wide input voltage range and adjustable output.
Mfr Part #:

TPS54540BQDDARQ1

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS54540BQDDARQ1 is a 5A step-down DC-DC converter designed for automotive applications. It features a wide input voltage range and adjustable output.
✓ Total Stock: 8,301 pcs
$ Price Range: $2.53

TPS54540BQDDARQ1 Available from 3 distributors

✓ Authorised
✓ Non-Authorised

TPS54540BQDDARQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Duty Cycle
Features
Frequency
Function
Industrial Grade
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

TPS54540BQDDARQ1 Description

Short technical summary and product information.

The Texas Instruments TPS54540BQDDARQ1 is an automotive-qualified, 5A step-down DC-DC converter. It operates with an input voltage range from 4.5V to 42V and provides an adjustable output voltage.

 

Key electrical specifications include a maximum output current of 5A, a minimum output voltage of 0.8V, and a maximum output voltage of 41.1V. The switching frequency is adjustable from 100kHz to 2.5MHz. The device features a typical quiescent current of 146µA and a maximum duty cycle of 98%.

 

This converter is housed in an 8-pin PowerSOIC package and supports surface mount. It is designed with features such as Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Soft Start Adjustable, and UVLO adjustable.

 

The TPS54540BQDDARQ1 is qualified for automotive applications and operates within an ambient temperature range of -40°C to 125°C.

TPS54540BQDDARQ1 Quick Information

Product Type: DC-DC Switching Regulator
Canonical Name: Texas Instruments TPS54540B-Q1 Step-Down DC-DC Converter
Subcategory: Step-Down

TPS54540BQDDARQ1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS54540BQDDARQ1 Estimated Pricing

Qty Low High
1+ $2.53 $2.53

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS54540BQDDARQ1 Features

  • Wide 4.5V to 42V input voltage range.
  • Delivers up to 5A of output current.
  • Adjustable output voltage from 0.8V.
  • 100kHz to 2.5MHz adjustable switching frequency.
  • Automotive qualified AEC-Q100.

TPS54540BQDDARQ1 Applications

  • Powering automotive electronic systems.
  • General purpose DC-DC conversion.
  • Applications requiring adjustable output voltage.
  • Systems needing high efficiency at light loads.

TPS54540BQDDARQ1 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS54540BQDDARQ1?

The input voltage range is 4.5V to 42V.

What is the maximum output current of the TPS54540BQDDARQ1?

The maximum output current is 5A.

What is the adjustable output voltage range?

The output voltage is adjustable from 0.8V to 41.1V.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package type is the TPS54540BQDDARQ1 supplied in?

It is supplied in an 8-pin PowerSOIC package with PowerPAD.

Is the TPS54540BQDDARQ1 RoHS compliant?

Yes, it is RoHS3 Compliant.

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