TPS2390

ACTIVO

Controlador de intercambio en caliente de -36 V a -80 V con cierre desactivado

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Hoja de datos

document-pdfAcrobat Simple -48-V Hot Swap Controller datasheet (Rev. D) (Inglés)

TPS2390

ACTIVO

Hoja de datos

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Detalles del producto

FET

External

Vin (min) (V)

-80

Vin (max) (V)

-36

Vabsmax_cont (V)

-100

Current limit (min) (A)

0.01

Current limit (max) (A)

500

Overcurrent response

Circuit breaker, current limiting

Fault response

Latch-off

Soft start

Adjustable

Features

Fault output

Rating

Catalog

Device type

eFuses and hot swap controllers

Operating temperature range (°C)

-40 to 85

Function

Adjustable current limit, Inrush current control, Short circuit protection

FET

External

Vin (min) (V)

-80

Vin (max) (V)

-36

Vabsmax_cont (V)

-100

Current limit (min) (A)

0.01

Current limit (max) (A)

500

Overcurrent response

Circuit breaker, current limiting

Fault response

Latch-off

Soft start

Adjustable

Features

Fault output

Rating

Catalog

Device type

eFuses and hot swap controllers

Operating temperature range (°C)

-40 to 85

Function

Adjustable current limit, Inrush current control, Short circuit protection

Wide Input Supply Range: –36 V to –80 V
Transient Rating to –100 V
Programmable Current Limit
Programmable Current Slew Rate
Enable Input (EN)
Fault Timer to Eliminate Nuisance Trips
Open-Drain Fault Output (FAULT)\
Requires Few External Components
8-Pin MSOP Package
APPLICATIONS
- –48-V Distributed Power Systems
- Central Office Switching
- Wireless Base Station

Wide Input Supply Range: –36 V to –80 V
Transient Rating to –100 V
Programmable Current Limit
Programmable Current Slew Rate
Enable Input (EN)
Fault Timer to Eliminate Nuisance Trips
Open-Drain Fault Output (FAULT)\
Requires Few External Components
8-Pin MSOP Package
APPLICATIONS
- –48-V Distributed Power Systems
- Central Office Switching
- Wireless Base Station

The TPS2390 and TPS2391 integrated circuits are hot swap power managers optimized for use in nominal –48-V systems. They are designed for supply voltage ranges up 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. Both devices provide load current slew rate and peak magnitude limiting, easily programmed by sense resistor value and a single-external capacitor. They also provide single-line fault reporting, electrical isolation of faulty cards, and protection against nuisance overcurrent trips. The TPS2390 latches off in response to current faults, while the TPS2391 periodically retries the load in the event of a fault.

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