TPS2051BD

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> Semiconductors - ICs

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Details for Texas Instruments

TPS2051BD

Single, Current-Limited, Power-Distribution Switch
Buy Directly from Texas Instruments (3421 in Stock)
$0.6000 per unit
Series Information for TPS2051BD - Texas Instruments

Features

  • feature
    0.6-ms Typical Rise Time
  • feature
    500-mA Continuous Current
  • feature
    70-mu2126 High-Side MOSFET
  • feature
    Accurate Current Limit (0.75 A Minimum, 1.25 A Maximum)
  • feature
    Additional UL Recognition for TPS2042B and
  • feature
    Ambient Temperature Range: u201340u00b0C to 85u00b0C
  • feature
    Deglitched Fault Report (OC)
  • feature
    Maximum Standby Supply Current: 1-u03bcA (Single, Dual) or 2-u03bcA (Triple, Quad)
  • feature
    No OC Glitch During Power Up
  • feature
    Operating Range: 2.7 V to 5.5 V
  • feature
    Thermal and Short-Circuit Protection
  • feature
    UL Recognized, File Number E169910
  • feature
    Undervoltage Lockout

Description

IC PWR DIST SWITCH SNGL 8-SOIC
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 powerdistribution switch is designed to set current limit at 1 A (typical).

Specifications

Power Load Switch Type:
High Side
Input Voltage:
5.5V
Current Limit:
1A
On State Resistance:
0.07ohm
Distribution Switch Case Style:
SOIC
No. of Pins:
8Pins
Thermal Protection:
Yes
On / Enable Input Polarity:
Active High
No. of Outputs:
1Outputs
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Base Number:
2051
Operating Temperature Range:
-40°C to +85°C
Output Current:
500mA
Output Voltage Max:
6V
Power Dissipation Pd:
585.82mW
Primary Input Voltage:
5.5V
Supply Voltage Min:
2.7V
Termination Type:
Surface Mount Device

Alternate Descriptions

Avnet America

USB Power SW Hi Side/DIST Single 5.5V 0.75A to 1.25A 8-Pin SOIC Tube

Avnet Europe

USB Power SW Hi Side/DIST Single 5.5V 0.75A to 1.25A 8-Pin SOIC Tube

Texas Instruments

Single, Current-Limited, Power-Distribution Switch

Texas Instruments product

Distrelec

1.09

Distrelec product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

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