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TPS2054BDR

4-ch, 0.5A loading, 2.7-5.5V, 70mΩ USB power switch, active-high

Produttore:

Texas Instruments, Inc
ProduttorePart #:

TPS2054BDR
Scheda dati:

TPS2054BDR Scheda dati (PDF)
Vin (min) (V):

2.7
Vin (max) (V):

5.5
Continuous current (max) (A):

0.5
Current limit (A):

1
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per TPS2054BDR

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TPS2054BDR Descrizione generale

The TPS20xxB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70-mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent ( OCx) logic output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1 A (typical).

Caratteristiche principali

70-mΩ High-Side MOSFET
500-mA Continuous Current
Thermal and Short-Circuit Protection
Accurate Current Limit (0.75 A Minimum, 1.25 A Maximum)
Operating Range: 2.7 V to 5.5 V
0.6-ms Typical Rise Time
Undervoltage Lockout
Deglitched Fault Report ( OC)
No OC Glitch During Power Up
Maximum Standby Supply Current: 1-µA (Single, Dual) or 2-µA (Triple, Quad)
Ambient Temperature Range: –40°C to 85°C
UL Recognized, File Number E169910
Additional UL Recognition for TPS2042B and TPS2052B for Ganged Configuration

Specifiche

Product type	Fixed current limit, Power switch	Vin (min) (V)	2.7
Vin (max) (V)	5.5	Continuous current (max) (A)	0.5
Current limit (A)	1	Operating temperature range (°C)	-40 to 125
Enable	Active High	Number of switches	4
Current limit accuracy at 1 A	0.25	Rating	Catalog
feature-type	High Side	feature-number-of-outputs	4
feature-process-technology		feature-interface-type	On/Off
feature-maximum-input-voltage-v	5.5	feature-operating-supply-voltage-range-v	2.7 to 5.5
feature-minimum-output-current-a	0	feature-supply-current-ma
feature-switch-on-resistance-ohm	0.075	feature-maximum-power-dissipation-mw	898.47
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	16	feature-cecc-qualified	No
feature-esd-protection	Yes	feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No

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Valutazioni e recensioni

Di più

S**e 03/30/2024

Shipping a little longer than a month, thought it would be much longer (considering the shipping method), transistors are all correct, packed well. Thanks to the seller.

C**b 04/23/2021

The parcel came, everything is ok! Seller thanks and success! I recommend!

C**n 09/26/2020

Received, i do not make a photo, because. Everything corresponds to what is indicated in the store, the delivery is not fast... Packing is standard, the quality is all ok. I did not check in the work, but i will definitely make a small presentation, and i will sign here. Seller, and shop recommend.