TPS2021DR
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Texas Instruments TPS2021DR

Manufacturer No:
TPS2021DR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC PWR SWITCH N-CHAN 1:1 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The TPS2021DR is a power distribution switch from Texas Instruments, designed for applications where heavy capacitive loads and short circuits are likely to be encountered. This device is part of the TPS202x family, which includes high-side MOSFET power switches. The TPS2021DR is specifically rated for a 0.9-A load current limit, making it suitable for a variety of power management tasks. It operates within a voltage range of 2.7 V to 5.5 V and is controlled by a logic-level enable input compatible with both 5-V and 3-V logic systems.

Key Specifications

Parameter Value Unit
Package SOIC (D) -
Pins 8 -
Operating Temperature Range -40 to 125 °C
Input Voltage Range 2.7 to 5.5 V
Continuous Output Current 0.9 A
On-State Resistance (rDS(on)) 33 mΩ (at 5 V input)
Rise Time 6.1 ms (at 5 V input, 1 μF load, 10 Ω load resistance) ms
Fall Time 3.4 ms (at 5 V input, 1 μF load, 10 Ω load resistance) ms
ESD Protection 2 kV Human-Body-Model, 200 V Machine-Model -
Standby Supply Current 10 μA μA

Key Features

  • High-Side MOSFET Switch: 33-mΩ on-state resistance at 5-V input.
  • Short-Circuit and Thermal Protection: Limits output current to a safe level during overloads and shuts off the switch in case of thermal overload.
  • Overcurrent Logic Output: Pulls the overcurrent (OC) logic output low when the output load exceeds the current-limit threshold.
  • Logic-Level Enable Input: Compatible with 5-V and 3-V logic systems.
  • Undervoltage Lockout: Ensures the switch remains off until valid input voltage is present.
  • Internal Charge Pump: Controls the power-switch rise and fall times to minimize current surges.
  • ESD Protection: 2 kV Human-Body-Model, 200 V Machine-Model.
  • Low Standby Supply Current: 10 μA maximum.

Applications

The TPS2021DR is designed for use in various power distribution and management applications, including:

  • USB power switches
  • Power supply circuits
  • Battery-powered devices
  • Industrial control systems
  • Consumer electronics requiring robust power management

Q & A

  1. What is the operating voltage range of the TPS2021DR?

    The TPS2021DR operates within a voltage range of 2.7 V to 5.5 V.

  2. What is the continuous output current rating of the TPS2021DR?

    The continuous output current rating is 0.9 A.

  3. What type of protection does the TPS2021DR offer?

    The device offers short-circuit and thermal protection.

  4. How does the overcurrent protection work?

    When the output load exceeds the current-limit threshold, the device switches into a constant-current mode and pulls the overcurrent (OC) logic output low.

  5. What is the on-state resistance of the TPS2021DR?

    The on-state resistance (rDS(on)) is 33 mΩ at a 5-V input.

  6. What is the rise time of the TPS2021DR?

    The rise time is approximately 6.1 ms at 5 V input, with a 1 μF load and 10 Ω load resistance.

  7. Does the TPS2021DR have ESD protection?

    Yes, it has 2 kV Human-Body-Model and 200 V Machine-Model ESD protection.

  8. What is the standby supply current of the TPS2021DR?

    The maximum standby supply current is 10 μA.

  9. What are the typical applications for the TPS2021DR?

    Typical applications include USB power switches, power supply circuits, battery-powered devices, industrial control systems, and consumer electronics requiring robust power management.

  10. What package types are available for the TPS2021DR?

    The device is available in 8-pin SOIC (D) and PDIP packages.

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):600mA
Rds On (Typ):33mOhm
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-SOIC
Package / Case:8-SOIC (0.154", 3.90mm Width)
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$2.36
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Similar Products

Part Number TPS2021DR TPS2022DR TPS2024DR TPS2031DR TPS2023DR TPS2041DR TPS2011DR TPS2020DR TPS2021D
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Not For New Designs Active Active
Switch Type General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Number of Outputs 1 1 1 1 1 1 1 1 1
Ratio - Input:Output 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1
Output Configuration High Side High Side High Side High Side High Side High Side High Side High Side High Side
Output Type N-Channel N-Channel N-Channel N-Channel N-Channel N-Channel N-Channel N-Channel N-Channel
Interface On/Off On/Off On/Off On/Off On/Off 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 2.7V ~ 5.5V 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 Not Required Not Required Not Required Not Required Not Required
Current - Output (Max) 600mA 1A 2A 600mA 1.5A 500mA 600mA 200mA 600mA
Rds On (Typ) 33mOhm 33mOhm 33mOhm 33mOhm 33mOhm 80mOhm 75mOhm 33mOhm 33mOhm
Input Type Non-Inverting Non-Inverting Non-Inverting Non-Inverting Non-Inverting Non-Inverting Non-Inverting Non-Inverting Non-Inverting
Features Status Flag Status Flag Status Flag Status Flag 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 Current Limiting (Fixed), Over Temperature, UVLO Current Limiting (Fixed), Over Temperature, UVLO Current Limiting (Fixed), Over Temperature 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) -40°C ~ 125°C (TJ) -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 Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)

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