TPS2051BDGNR
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Texas Instruments TPS2051BDGNR

Manufacturer No:
TPS2051BDGNR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC PWR SWITCH N-CHAN 1:1 8MSOP
Delivery:
Payment:
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Product Introduction

Overview

The TPS2051BDGNR is a current-limited, power-distribution switch produced by Texas Instruments. This device is designed for applications where heavy capacitive loads and short circuits are likely to be encountered. It incorporates a 70mΩ N-channel MOSFET power switch, making it suitable for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input, and the device includes an internal charge pump to manage the power-switch rise and fall times, minimizing current surges during switching.

Key Specifications

Parameter Value Unit
Package 8-MSOP (HVSSOP)
Pins 8
Operating Temperature Range -40 to 125 °C
Continuous Current 500 mA
On-State Resistance 70 mΩ
Input Voltage Range 2.7 to 5.5 V
Current Limit 0.75 A (min), 1.25 A (max)
Rise Time 0.6 ms (typical)
Standby Supply Current 1 µA (single, dual), 2 µA (triple, quad)
Thermal Protection Yes
UL Recognition Yes, File Number E169910

Key Features

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

Applications

The TPS2051BDGNR is designed for various power-distribution applications, particularly where heavy capacitive loads and short circuits are common. These include:

  • USB Power Switches
  • Power Distribution in Portable Electronics
  • Industrial Control Systems
  • Automotive Systems
  • Medical Devices

Q & A

  1. What is the TPS2051BDGNR used for?

    The TPS2051BDGNR is used as a current-limited, power-distribution switch in applications requiring multiple power switches in a single package.

  2. What is the on-state resistance of the TPS2051BDGNR?

    The on-state resistance of the TPS2051BDGNR is 70 mΩ.

  3. What is the continuous current rating of the TPS2051BDGNR?

    The continuous current rating of the TPS2051BDGNR is 500 mA.

  4. What is the operating temperature range of the TPS2051BDGNR?

    The operating temperature range of the TPS2051BDGNR is -40°C to 125°C.

  5. Does the TPS2051BDGNR have thermal protection?

    Yes, the TPS2051BDGNR includes thermal protection to prevent damage from overheating.

  6. What is the input voltage range for the TPS2051BDGNR?

    The input voltage range for the TPS2051BDGNR is 2.7V to 5.5V.

  7. How does the TPS2051BDGNR handle overcurrent conditions?

    The TPS2051BDGNR limits the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present.

  8. Is the TPS2051BDGNR UL recognized?

    Yes, the TPS2051BDGNR is UL recognized with File Number E169910.

  9. What is the typical rise time of the TPS2051BDGNR?

    The typical rise time of the TPS2051BDGNR is 0.6 ms.

  10. Does the TPS2051BDGNR have an internal charge pump?

    Yes, the TPS2051BDGNR includes an internal charge pump to control the power-switch rise and fall times.

Product Attributes

Switch Type:General Purpose
Number of Outputs:1
Ratio - Input:Output:1:1
Output Configuration:High Side
Output Type:N-Channel
Interface:On/Off
Voltage - Load:2.7V ~ 5.5V
Voltage - Supply (Vcc/Vdd):Not Required
Current - Output (Max):500mA
Rds On (Typ):70mOhm
Input Type:Non-Inverting
Features:Status Flag
Fault Protection:Current Limiting (Fixed), Over Temperature, UVLO
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Supplier Device Package:8-HVSSOP
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
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Similar Products

Part Number TPS2051BDGNR TPS2052BDGNR TPS2041BDGNR TPS2051BDGN
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Switch Type General Purpose General Purpose General Purpose General Purpose
Number of Outputs 1 2 1 1
Ratio - Input:Output 1:1 1:2 1:1 1:1
Output Configuration High Side High Side High Side High Side
Output Type N-Channel N-Channel N-Channel N-Channel
Interface On/Off On/Off On/Off On/Off
Voltage - Load 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
Voltage - Supply (Vcc/Vdd) Not Required Not Required Not Required Not Required
Current - Output (Max) 500mA 500mA 500mA 500mA
Rds On (Typ) 70mOhm 70mOhm 70mOhm 70mOhm
Input Type Non-Inverting Non-Inverting Non-Inverting Non-Inverting
Features Status Flag Status Flag Status Flag Status Flag
Fault Protection Current Limiting (Fixed), Over Temperature, UVLO Current Limiting (Fixed), Over Temperature, UVLO Current Limiting (Fixed), Over Temperature, UVLO Current Limiting (Fixed), Over Temperature, UVLO
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 8-HVSSOP 8-HVSSOP 8-HVSSOP 8-HVSSOP
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad

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