Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 TPS2051BDR is a power distribution switch from Texas Instruments, designed to manage power in USB applications. This component integrates a power MOSFET and associated control circuitry, providing an efficient means to allocate power from a single supply to multiple downstream devices while ensuring overcurrent protection. Key features include a current limit of 500 mA per port, thermal protection, and undervoltage lockout, which safeguard connected devices from potential damage. The switch can operate over a wide input voltage range, typically from 4.5 V to 5.5 V, making it suitable for use in a variety of USB-powered environments. It also features a built-in reverse current blocking mechanism, preventing current from flowing back into the input. The TPS2051BDR comes in a small, space-saving SOIC-8 package, which is apt for compact designs. Its robust protection features, combined with its compact size and ease of use, make it ideal for laptops, desktops, and other USB-based electronic equipment.
Equivalent
The TPS2051BDR is a power distribution switch. Some equivalent products include:
1. MIC2005-0.5YM5 by Microchip Technology
2. AP2301GN by Diodes Incorporated
3. FPF2000 by ON Semiconductor
4. AOZ1320 by Alpha & Omega Semiconductor
These alternatives offer similar functionalities such as current limiting and thermal protection, suitable for applications requiring controlled power distribution. Always verify the specifications to ensure compatibility with your specific application requirements.
1. MIC2005-0.5YM5 by Microchip Technology
2. AP2301GN by Diodes Incorporated
3. FPF2000 by ON Semiconductor
4. AOZ1320 by Alpha & Omega Semiconductor
These alternatives offer similar functionalities such as current limiting and thermal protection, suitable for applications requiring controlled power distribution. Always verify the specifications to ensure compatibility with your specific application requirements.
Features
The TPS2051BDR is a power distribution switch designed for precision current limiting and power management applications. Key features include:
1. Current Limiting: The device provides precision current limiting to protect connected devices from overcurrent conditions.
2. Over-Temperature Protection: It includes thermal shutdown protection to prevent damage due to overheating.
3. Reverse Current Blocking: This feature prevents reverse current flow in the switch-off condition, enhancing safety and reliability.
4. Low On-Resistance: The switch exhibits a low on-resistance, which ensures efficient power delivery with minimal voltage drop.
5. Fault Reporting: It includes fault reporting capabilities to signal abnormal conditions like overcurrent or overtemperature.
6. Enable Control: The switch can be controlled using an enable input, allowing for easy integration into power management schemes.
7. Automatic Restart: After a fault condition is cleared, the switch automatically attempts to restart, minimizing downtime.
8. Small Package: Available in a compact SOIC-8 package, the TPS2051BDR is suitable for space-constrained applications.
These features make the TPS2051BDR ideal for managing power distribution in various electronic devices, ensuring both protection and efficient operation.
1. Current Limiting: The device provides precision current limiting to protect connected devices from overcurrent conditions.
2. Over-Temperature Protection: It includes thermal shutdown protection to prevent damage due to overheating.
3. Reverse Current Blocking: This feature prevents reverse current flow in the switch-off condition, enhancing safety and reliability.
4. Low On-Resistance: The switch exhibits a low on-resistance, which ensures efficient power delivery with minimal voltage drop.
5. Fault Reporting: It includes fault reporting capabilities to signal abnormal conditions like overcurrent or overtemperature.
6. Enable Control: The switch can be controlled using an enable input, allowing for easy integration into power management schemes.
7. Automatic Restart: After a fault condition is cleared, the switch automatically attempts to restart, minimizing downtime.
8. Small Package: Available in a compact SOIC-8 package, the TPS2051BDR is suitable for space-constrained applications.
These features make the TPS2051BDR ideal for managing power distribution in various electronic devices, ensuring both protection and efficient operation.
Pinout
The TPS2051BDR is a power distribution switch from Texas Instruments, typically housed in an 8-pin small outline integrated circuit (SOIC) package. It is designed for power management applications, providing current limiting and short-circuit protection for USB and other hot-swap power applications.
The key pins and their functions are:
1. IN (Pin 1): Power input pin where the supply voltage is connected.
2. GND (Pin 2): Ground connection.
3. OUT (Pin 3): Power output pin delivering the controlled load current.
4. EN (Pin 4): Enable input; active-high logic pin that controls the switch.
5. OC (Pin 5): Overcurrent flag; active-low output indicating an overcurrent condition.
6. NC (Pins 6, 7, and 8): No connection; often used for mechanical support and thermal dissipation.
The device is designed for overcurrent protection with a fast short-circuit response time, making it suitable for protecting sensitive circuitry from overcurrent faults.
The key pins and their functions are:
1. IN (Pin 1): Power input pin where the supply voltage is connected.
2. GND (Pin 2): Ground connection.
3. OUT (Pin 3): Power output pin delivering the controlled load current.
4. EN (Pin 4): Enable input; active-high logic pin that controls the switch.
5. OC (Pin 5): Overcurrent flag; active-low output indicating an overcurrent condition.
6. NC (Pins 6, 7, and 8): No connection; often used for mechanical support and thermal dissipation.
The device is designed for overcurrent protection with a fast short-circuit response time, making it suitable for protecting sensitive circuitry from overcurrent faults.
Manufacturer
The TPS2051BDR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. They are particularly known for their analog and embedded processing products, including integrated circuits, microcontrollers, and other electronic components used across various industries such as automotive, industrial, personal electronics, communications, and enterprise systems. TI is recognized for its innovation in creating high-performance, reliable technology solutions that are integral to modern electronic systems.
Application
The TPS2051BDR is an integrated power switch designed for use in USB applications, power management systems, and load-switching applications. Its key features include current limiting, thermal shutdown, and short-circuit protection, making it suitable for protecting USB ports and peripheral devices. It is commonly used in computers, laptops, docking stations, and other consumer electronics to manage and distribute power effectively. Additionally, the chip's compact size and efficient design make it ideal for portable and battery-powered devices, ensuring reliable and safe power control.
Package
The TPS2051BDR is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mount technology (SMT) applications.
