TPS2051BD

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TPS2051BD

IC PWR SWITCH N-CHAN 1:1 8SOIC

  • Manufacturer
  • Mfr. Part #TPS2051BD
  • Package SOIC-8
  • Datasheet
  • In Stock4522

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Specifications

Package Tube
ProductStatus Active
SwitchType General Purpose
NumberofOutputs 1
Ratio-Input:Output 1:1
OutputConfiguration High Side
OutputType N-Channel
Interface On/Off
Voltage-Load 2.7V ~ 5.5V
Voltage-Supply(Vcc/Vdd) Not Required
Current-Output(Max) 500mA
RdsOn(Typ) 70mOhm
InputType Non-Inverting
Features Status Flag
FaultProtection Current Limiting (Fixed), Over Temperature, UVLO
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
SupplierDevicePackage 8-SOIC

Overview

Description

The TPS2051BD is a power distribution switch designed by Texas Instruments. It is commonly used in applications requiring current limiting and protection for USB ports and other power-distribution networks. The device features an integrated n-channel MOSFET that provides a controlled and efficient way to manage power delivery.
Key features of the TPS2051BD include:
- Current Limiting: Protects the power source and connected devices by limiting the output current to a safe level.
- Overload Protection: Automatically reduces power output during overload conditions to prevent damage.
- Thermal Protection: Includes thermal shutdown to prevent overheating, enhancing reliability.
- Enable/Disable Functionality: Allows for on-demand control of power delivery to connected devices.
- Low On-Resistance: Offers minimal power loss and efficient power transfer due to low on-resistance of the MOSFET.
The TPS2051BD is commonly used in consumer electronics, computing, and communication devices where safe and efficient power distribution is essential. It simplifies the design of power management systems, ensuring devices receive stable and reliable power without the risk of overload or thermal damage.

Features

The TPS2051BD is a power distribution switch from Texas Instruments, designed for efficient power management in electronic systems. Key features include:
1. Current Limiting: It provides protection by limiting the current to a preset level to prevent damage to the system.
2. Overcurrent and Short-Circuit Protection: Automatically limits high currents during short circuits or overloads to protect the device and downstream systems.
3. Thermal Shutdown: The device includes thermal protection that turns off the switch if it overheats, preventing damage.
4. Reverse Current Blocking: Protects against reverse current flow, which could damage the system.
5. Low Supply Current: Designed to consume minimal power during operation, contributing to efficient power usage.
6. Small Package Size: Available in a compact package, making it suitable for space-constrained applications.
7. Enable/Disable Control: Offers an enable pin for easy on/off control, allowing for flexible power management.
8. Compliance: The device is compliant with USB power distribution requirements, making it ideal for USB applications.
These features make the TPS2051BD suitable for use in a variety of applications, including consumer electronics, computers, and peripherals where reliable power distribution is crucial.

Package

The TPS2051BD is available in an 8-pin Small Outline Integrated Circuit (SOIC) package. This package type is commonly used for its compact size and ease of use in various electronic applications, offering a reliable solution for power distribution and control.

Pinout

The TPS2051BD is a power distribution switch designed by Texas Instruments. It typically comes in an 8-pin package. The primary function of the TPS2051BD is to provide a current-limited power distribution switch for USB and other hot-swap applications. It integrates an N-channel MOSFET power switch, which is controlled by a logic-level enable input.
The pins are generally configured as follows:
- Pin 1 (IN): Input power source.
- Pin 2 (GND): Ground connection.
- Pin 3 (OUT): Output to the load.
- Pin 4 (NC): Not connected.
- Pin 5 (OC): Open-drain overcurrent (OC) flag output.
- Pin 6 (NC): Not connected.
- Pin 7 (EN): Enable input for switching the device on/off.
- Pin 8 (NC): Not connected.
The device is used to provide protection against overcurrent conditions by limiting the current and providing an overcurrent indication via the OC pin. It is suitable for many applications requiring a stable and reliable power distribution switch.

Manufacturer

The TPS2051BD is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a broad range of electronic components, including integrated circuits and embedded processors. The company is known for its innovation in analog and digital signal processing, microcontrollers, and other technologies that are essential for a wide array of electronic devices and applications.

Application

The TPS2051BD is a power distribution switch commonly used in applications such as USB ports, power management in portable devices, laptops, and consumer electronics. It provides over-current protection and controlled power distribution, making it ideal for circuits requiring reliable power supply management with built-in fault protection and current limiting capabilities.

Equivalent

Equivalent products to the TPS2051BD power-distribution switch from Texas Instruments include:
1. Diodes Incorporated AP2331.
2. Microchip Technology MIC2005.
3. Maxim Integrated (now Analog Devices) MAX14526.
4. ON Semiconductor NCP380.
These alternatives offer similar functionality in terms of current limiting, over-temperature protection, and short-circuit protection for USB and other power-switching applications. Always verify specifications and pin compatibility before substituting.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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