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TPS2557DRBT The Texas Instruments TPS2557DRBT is a precision adjustable current-limited power-distribution switch. It offers a programmable current limit and fast overcurrent response.
Mfr Part #:

TPS2557DRBT

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS2557DRBT is a precision adjustable current-limited power-distribution switch. It offers a programmable current limit and fast overcurrent response.
✓ Total Stock: 68,062 pcs
$ Price Range: $0.63

TPS2557DRBT Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
64,571 pcs
On Request
64571 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,486 pcs
On Request
3486 pcs On Request 1 On Request On Request 22+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TPS2557DRBT 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)
SVHC Present
Supplier Device Package
Supplier Package
Switch Type
Voltage
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TPS2557DRBT Description

Short technical summary and product information.

The TPS2557DRBT from Texas Instruments is a power-distribution switch designed for applications requiring precise current limiting or handling heavy capacitive loads and short circuits. It features an adjustable current limit threshold ranging from 500 mA to 5 A, controlled via an external resistor.

 

Key electrical characteristics include a wide operating voltage range of 2.5 V to 6.5 V and a low typical on-resistance of 22 mΩ. The device boasts a fast overcurrent response time of 3.5 µs and a low standby supply current of 2 µA. It also includes built-in soft start functionality and fault protection for over temperature and undervoltage lockout (UVLO).

 

This load switch is housed in an 8-pin VSON (DRB) package, suitable for surface mounting. It operates within a temperature range of -40°C to 125°C. The TPS2557DRBT meets USB current-limiting requirements and offers system-level ESD protection up to 15 kV and 8 kV.

TPS2557DRBT Quick Information

Product Type: Load Switch
Canonical Name: TPS2557DRBT Precision Adjustable Current-Limited Power-Distribution Switch
Subcategory: Load Driver

TPS2557DRBT Compliance

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

TPS2557DRBT Estimated Pricing

Qty Low High
1+ $0.63 $0.63

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

TPS2557DRBT Features

  • Adjustable current limit from 0.5A to 5A.
  • Wide operating voltage range of 2.5V to 6.5V.
  • Low 22mΩ typical on-resistance.
  • Fast 3.5µs overcurrent response time.
  • Surface mount 8-SON package.

TPS2557DRBT Applications

  • USB power switch applications.
  • Power distribution circuits.
  • Systems requiring precise current limiting.
  • Handling heavy capacitive loads.

TPS2557DRBT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TPS2557DRBT?

2.5 V to 6.5 V.

What package is the TPS2557DRBT available in?

8-VDFN Exposed Pad (8-SON 3x3).

What is the operating temperature range?

-40°C to 125°C (junction).

What is the adjustable current limit range?

0.5 A to 5 A.

What is the typical on-resistance?

22 mOhm.

What fault protection features are included?

Adjustable current limiting, over-temperature protection, and under-voltage lockout (UVLO).

What is the typical overcurrent response time?

3.5 µs.

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