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TPS25921A

Texas Instruments
Part Number TPS25921A
Manufacturer Texas Instruments
Description eFuse
Published Sep 12, 2021
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS25921A, TPS25921L SLVSCE1C ...
Datasheet PDF File TPS25921A PDF File

TPS25921A
TPS25921A

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS25921A, TPS25921L SLVSCE1C – AUGUST 2014 – REVISED NOVEMBER 2015 TPS25921x 4.
5V - 18V eFuse with Precise Current Limit and Over Voltage Protection 1 Features •1 4.
5 V – 18 V Operating Voltage, 20 V (Max) • 90 mΩ RDS(ON) (Typical) • 0.
4 A to 1.
6 A Adjustable Current Limit • ±2% Accurate ILIMIT at 1A at 25°C • ±3% Overvoltage, Undervoltage Threshold • Programmable dVO/dt Control • Fault Output for Thermal Shutdown, UVLO and OVP • -40°C to 125°C Junction Temperature Range • Auto-Retry and Latch-Off Versions • UL2367 Recognized - File No.
E169910 • UL60950 - Safe during Single Point Failure Test 2 Applications • White Goods, Appliances • Set Top Boxes, DVD and Gaming Consoles • HDD and SSD drives • Smart Meters, Gas Analyzers • Smart Load Switch • USB Switch • Adapter Power Devices 3 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.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS25921A TPS25921L SOIC 4.
90mm x 3.
91mm (1) For all available packages, see the orderable addendum at the end of the datasheet.
4 Application Schematic V(IN...


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