TPS2045DR The Texas Instruments TPS2045DR is a current-limited power distribution switch featuring a high-side N-channel MOSFET. It operates from 2.7V to 5.5V and provides 250mA continuous current with a typical Rds On of 80mOhm.
Mfr Part #:

TPS2045DR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS2045DR is a current-limited power distribution switch featuring a high-side N-channel MOSFET. It operates from 2.7V to 5.5V and provides 250mA continuous current with a typical Rds On of 80mOhm.
✓ Total Stock: 49,008 pcs
$ Price Range: $0.32

TPS2045DR Available from 3 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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45,200 pcs
45200 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,783 pcs
3783 pcs On Request 1 On Request On Request 17+ On Request On Request
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25 pcs
25 pcs On Request 1 On Request On Request On Request On Request On Request

TPS2045DR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Fault Protection
Features
Input Type
Interface
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Ratio
Rds On (Typ)
Supplier Device Package
Switch Type
Voltage

TPS2045DR Description

Short technical summary and product information.

The TPS2045DR from Texas Instruments is a power distribution switch designed for applications with heavy capacitive loads and potential short circuits. It utilizes a high-side N-channel MOSFET controlled by a logic-level enable input, compatible with both 5V and 3V logic.

 

This device offers a continuous current capability of 250mA and a typical on-resistance of 80mOhm. It includes essential protection features such as fixed current limiting, over-temperature shutdown, and undervoltage lockout (UVLO) to safeguard the system. The operating voltage range is from 2.7V to 5.5V.

 

Key electrical characteristics include a typical rise time of 2.5ms and a maximum standby supply current of 10mA. The switch provides a status flag output to indicate overcurrent or thermal shutdown events. It is designed for applications requiring robust power management, such as in notebook PCs, monitors, digital cameras, and phones.

 

The TPS2045DR is available in an 8-pin SOIC package, suitable for surface mounting. It operates within an ambient temperature range of -40°C to 85°C, with a junction temperature range of -40°C to 125°C.

TPS2045DR Quick Information

Product Type: Power Distribution Switch
Canonical Name: Texas Instruments TPS2045DR Power Distribution Switch
Subcategory: Power Distribution Switch

TPS2045DR Compliance

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

TPS2045DR Estimated Pricing

Qty Low High
1+ $0.32 $0.32

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

TPS2045DR Features

  • High-side N-channel MOSFET switch.
  • 2.7V to 5.5V operating voltage range.
  • 250mA continuous current capability.
  • 80mOhm typical on-resistance.
  • Includes current limit and thermal protection.

TPS2045DR Applications

  • Ideal for notebook and desktop PCs.
  • Suitable for monitors and printers.
  • Used in digital cameras and phones.
  • Supports hot-insertion applications.

TPS2045DR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TPS2045DR?

The input voltage range is 2.7 V to 5.5 V.

What package does the TPS2045DR come in?

The TPS2045DR is available in an 8-SOIC surface-mount package.

What is the operating temperature range of the TPS2045DR?

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

What is the continuous current rating of the TPS2045DR?

The maximum continuous current is 0.25 A.

What type of output does the TPS2045DR have?

The output is an N-channel high-side switch.

Does the TPS2045DR include fault protection?

Yes, it has fixed current limiting, over-temperature protection, and UVLO.

What is the typical on-resistance of the TPS2045DR?

The typical on-resistance is 80 mOhm.

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