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TPS2393

Texas Instruments
Part Number TPS2393
Manufacturer Texas Instruments
Description -48V HOT SWAP
Published Jul 3, 2022
Detailed Description www.ti.com TPS2392 TPS2393 SLUS536C − AUGUST 2002 − REVISED AUGUST 2004 FULLĆFEATURED -48ĆV HOT SWAP POWER MANAGER FEA...
Datasheet PDF File TPS2393 PDF File

TPS2393
TPS2393

Overview
www.
ti.
com TPS2392 TPS2393 SLUS536C − AUGUST 2002 − REVISED AUGUST 2004 FULLĆFEATURED -48ĆV HOT SWAP POWER MANAGER FEATURES D Wide Input Supply Range: −20 V to −80 V D Transient Rating to −100 V D Programmable Current Limit D Programmable Current Slew Rate D Programmable UV/OV Thresholds/Hysteresis D Debounced Insertion Detection Inputs D Open-Drain Power Good (PG) Output D Fault Timer to Eliminate Nuisance Trips D Open-Drain Fault Output (FAULT) D Enable Input (EN) D 14-Pin TSSOP package D 44-Pin TSSOP Package for Creapage/Clearance APPLICATIONS D −48-V Distributed Power Systems D Central Office Switching D Wireless Base Station DESCRIPTION The TPS2392 and TPS2393 integrated circuits are hot swap power managers optimized for use in nominal −48-V systems.
They operate with supply voltage ranges from −20-V to −80-V, and are rated to withstand spikes to −100 V.
In conjunction with an external N-channel FET and sense resistor, they can be used to enable live insertion of plug-in cards and modules in powered systems.
Each device provides load current slew rate control and peak magnitude limiting.
Undervoltage and overvoltage shutdown thresholds are easily programmed via a three-resistor divider network.
In addition, two active-low, debounced inputs provide plug-in insertion detection.
A power good (PG) output enables downstream converters.
The TPS2392 and TPS2393 also provide the basic hot swap functions of electrical isolation of faulty cards, filtered protection against nuisance overcurrent trips, and single-line fault reporting.
The 44-pin part supports designs where telecomm creepage and clearance requirements must be followed.
The TPS2392 latches off in response to current faults, while the TPS2393 periodically retries the load in the event of a fault.
GND −48V R1 200 kΩ 1% R2 4.
99 kΩ 1% C3 1500 pF R3 3.
92 kΩ 1% R5 100 kΩ R6 10 kΩ TPS2392/TPS2393 1 UVLO OVLO 14 D1 BAS19 2 INSA DRAINSNS 13 3 INSB PG 12 D2 5.
6 V 4 FAULT 5 EN RTN 11 GATE 10 6 FLTTI...


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