TPS25921AD Part Information

Details for TPS25921AD by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The TPS25921 is a compact, feature rich eFuse with a full suite of protection functions. The wide operating voltage allows control of many popular DC buses. The precise ±2% current limit, at room temperature, provides excellent accuracy making the TPS25921 well suited for many system protection applications. Load, source and device protection are provided with multiple programmable features including overcurrent, overvoltage and undervoltage. 3% threshold accuracy for UV and OV, ensures tight supervision of bus voltages, eliminating the need for supervisor circuitry. Fault flag output (FLT) is provided for system status monitoring and down stream load control. For hot-plug-in boards, TPS25921 provides in-rush current control and programmable output ramp-rate. Output ramp rate is programmable using a capacitor at soft-start (SS) pin, for maximum design flexibility.

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Part Features

  • -40u00b0C to 125u00b0C Junction Temperature Range
  • 0.4 A to 1.6 A Adjustable Current Limit
  • 4.5 V u2013 18 V Operating Voltage, 20 V (Max)
  • 90 mu03a9 RDS(ON) (Typical)
  • Auto-Retry and Latch-Off Versions
  • Fault Output for Thermal Shutdown, UVLO and OVP
  • Programmable dVO/dt Control
  • UL2367 Recognized - File No. E169910
  • UL60950 - Safe during Single Point Failure Test
  • u00b12% Accurate ILIMIT at 1A at 25u00b0C
  • u00b13% Overvoltage, Undervoltage Threshold

Part Specifications

Controller Applications HDD and SSD Drives Set Top Boxes Smart Meters Gas Analyzers Smart Load Switch USB Switch
Input Voltage -
Supply Voltage Min 4.5V
Supply Voltage Max 18V
Controller IC Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Internal Switch Yes
RoHS Compliant

Alternative Part Descriptions

  • HOT SWAP CONTROLLER, 18V, SOIC-8; Controller Applications:HDD and SSD Drives, Set Top Boxes, Smart Meters, Gas Analyzers, Smart Load Switch, USB Switch; Input Voltage:-; Supply Voltage Min:4.5V; Supply Voltage Max:18V; Controller IC RoHS Compliant: Yes | Newark Electronics
  • 4.5-V to 18-V, 90mΩ, 0.4-1.6A eFuse with auto retry fault response | Texas Instruments

Frequently Asked Questions

Where can I find additional details, specifications and documents for a TPS25921AD?

Additional datasheets, footprints and schematics for TPS25921AD are listed in our Part Details tab. You can also find the TPS25921AD image and similar parts on this details page.

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What category does TPS25921AD fall under?

The TPS25921AD is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

Can I view similar or alternative parts?

You can view similar parts to TPS25921AD when available in the Power Management range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

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Is the TPS25921AD RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

Which authorised distributors for TPS25921AD have stock available?

Authorised distributors including Newark Electronics and Texas Instruments have stock available or on a lead time for TPS25921AD.

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