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TPS25921LDR The Texas Instruments TPS25921LDR is an electronic fuse (eFuse) IC designed for power protection. It features a wide operating voltage range and precise current limiting.
Mfr Part #:

TPS25921LDR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS25921LDR is an electronic fuse (eFuse) IC designed for power protection. It features a wide operating voltage range and precise current limiting.
✓ Total Stock: 14,627 pcs
$ Price Range: $0.53

TPS25921LDR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request 2017+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,667 pcs
On Request
3667 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
2,460 pcs
On Request
2460 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 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.

TPS25921LDR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Function
Mounting Type
Operating Temperature
Package Quantity
Storage Temperature
Supplier Device Package
Voltage
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TPS25921LDR Description

Short technical summary and product information.

The Texas Instruments TPS25921LDR is a compact and feature-rich eFuse IC offering a comprehensive suite of protection functions. It operates across a wide voltage range from 4.5V to 18V, making it suitable for many popular DC buses. The device boasts a low typical on-resistance of 90 mΩ and an adjustable current limit ranging from 0.4A to 1.6A, with an accuracy of ±2% at 1A and 25°C.

 

Key protection features include ±3% accurate overvoltage and undervoltage thresholds, programmable dV/dt control, and a fault output for thermal shutdown, UVLO, and OVP conditions. The TPS25921LDR is available in an 8-SOIC package and supports surface mount installation. It offers both auto-retry and latch-off fault response options, catering to different system requirements.

 

This eFuse is designed for system protection applications where precise current control and overvoltage/undervoltage protection are critical. Its compact size and robust feature set make it a versatile solution for various power management designs.

TPS25921LDR Quick Information

Product Type: eFuse
Series: TPS25921L
Canonical Name: Texas Instruments TPS25921LDR eFuse
Subcategory: Current Regulation Management

TPS25921LDR Compliance

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

TPS25921LDR Estimated Pricing

Qty Low High
1+ $0.53 $0.53

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

TPS25921LDR Features

  • Operates from 4.5V to 18V.
  • Low 90mΩ typical on-resistance.
  • Adjustable current limit 0.4A to 1.6A.
  • Precise ±2% current limit accuracy.
  • Latch-off fault response available.

TPS25921LDR Applications

  • Provides precise current limiting.
  • Protects against overvoltage conditions.
  • Protects against undervoltage conditions.
  • Suitable for DC bus power protection.
  • Enables system fault reporting.

TPS25921LDR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TPS25921LDR?

4.5V to 18V, with an absolute maximum of 20V.

What is the current limit range?

0.4A to 1.6A, programmable.

What is the typical on-resistance?

90mΩ.

What is the current limit accuracy?

±2% at 1A and 25°C.

What is the operating temperature range?

-40°C to 125°C junction temperature.

What package is the TPS25921LDR available in?

8-pin SOIC (D) surface mount package.

Does the device have fault output?

Yes, fault output for thermal shutdown, UVLO, and OVP.

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