Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR) |
| ProductStatus | Not For New Designs |
| SwitchType | General Purpose |
| NumberofOutputs | 1 |
| Ratio-Input:Output | 1:1 |
| OutputConfiguration | High Side |
| OutputType | N-Channel |
| Interface | On/Off |
| Voltage-Load | 2.5V ~ 6.5V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 1.1A |
| RdsOn(Typ) | 100mOhm |
| InputType | Non-Inverting |
| Features | Slew Rate Controlled |
| FaultProtection | Current Limiting (Adjustable), Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 6-WSON (2x2) |
Обзор
Description
The TPS2551DRVR is a current-limited, power-distribution switch designed by Texas Instruments. It is commonly used in applications requiring precise power management, particularly in USB ports and other hot-swap environments. The device provides adjustable current limit settings, typically ranging from 75 mA to 1.5 A, using an external resistor. This feature makes it highly versatile for different load requirements.
Key features include built-in overcurrent protection, thermal shutdown, and reverse current blocking to prevent damage to the device and connected components. The TPS2551DRVR operates over a wide input voltage range from 2.5 V to 6.5 V, making it suitable for a variety of low-voltage applications. It is available in a small, space-saving SOT-23 package, which is beneficial for compact designs.
Moreover, the fast response time of the switch ensures reliable operation during transient events, enhancing overall system robustness. The TPS2551DRVR is favored for its reliability, ease of use, and protective features, making it a popular choice for designers looking to safeguard against electrical anomalies.
Key features include built-in overcurrent protection, thermal shutdown, and reverse current blocking to prevent damage to the device and connected components. The TPS2551DRVR operates over a wide input voltage range from 2.5 V to 6.5 V, making it suitable for a variety of low-voltage applications. It is available in a small, space-saving SOT-23 package, which is beneficial for compact designs.
Moreover, the fast response time of the switch ensures reliable operation during transient events, enhancing overall system robustness. The TPS2551DRVR is favored for its reliability, ease of use, and protective features, making it a popular choice for designers looking to safeguard against electrical anomalies.
Equivalent
Equivalent products to the TPS2551DRVR chip, a power distribution switch, include:
1. MIC2005A by Microchip Technology
2. AP2141 by Diodes Incorporated
3. NCP380 by ON Semiconductor
4. MAX14523 by Maxim Integrated
5. LM26480 by Texas Instruments
These chips offer similar functionality, like current limiting and power distribution in USB applications. Always verify the specific electrical characteristics and package compatibility when selecting a replacement.
1. MIC2005A by Microchip Technology
2. AP2141 by Diodes Incorporated
3. NCP380 by ON Semiconductor
4. MAX14523 by Maxim Integrated
5. LM26480 by Texas Instruments
These chips offer similar functionality, like current limiting and power distribution in USB applications. Always verify the specific electrical characteristics and package compatibility when selecting a replacement.
Features
The TPS2551DRVR is a current-limited power distribution switch featuring various key attributes:
1. Adjustable Current Limit: It allows for setting a precise current limit via an external resistor, providing flexibility for different application requirements.
2. Protection and Safety: Includes features like overcurrent protection, thermal shutdown, and reverse current blocking to safeguard both the device and connected downstream components.
3. Efficient Power Management: It has a low on-resistance, which minimizes power loss and heat generation, enhancing the overall efficiency of the power distribution system.
4. Operating Voltage: Supports an input voltage range from 2.5V to 6.5V, making it suitable for a variety of power supply systems.
5. Fault Reporting: The device offers a fault output to signal abnormal conditions such as overcurrent or overtemperature, aiding in quick diagnostics and system reliability.
6. Package and Size: Comes in a small, space-saving SON package, making it suitable for compact designs.
These features make the TPS2551DRVR ideal for applications such as USB ports, charging systems, and general power distribution in electronic devices.
1. Adjustable Current Limit: It allows for setting a precise current limit via an external resistor, providing flexibility for different application requirements.
2. Protection and Safety: Includes features like overcurrent protection, thermal shutdown, and reverse current blocking to safeguard both the device and connected downstream components.
3. Efficient Power Management: It has a low on-resistance, which minimizes power loss and heat generation, enhancing the overall efficiency of the power distribution system.
4. Operating Voltage: Supports an input voltage range from 2.5V to 6.5V, making it suitable for a variety of power supply systems.
5. Fault Reporting: The device offers a fault output to signal abnormal conditions such as overcurrent or overtemperature, aiding in quick diagnostics and system reliability.
6. Package and Size: Comes in a small, space-saving SON package, making it suitable for compact designs.
These features make the TPS2551DRVR ideal for applications such as USB ports, charging systems, and general power distribution in electronic devices.
Pinout
The TPS2551DRVR is a power distribution switch from Texas Instruments. It comes in an 8-pin package. Here is a brief overview of its pin functions:
1. IN: Supply input. This pin is connected to the positive supply voltage and provides power to the chip.
2. OUT: Load output. This pin is connected to the load and supplies power to it.
3. GND: Ground. This pin is connected to the ground of the circuit.
4. EN: Enable. This pin is used to enable or disable the output. A high input enables the device, and a low input disables it.
5. ILIM: Current limit set. Connect a resistor between ILIM and GND to set the current limit threshold.
6. FAULT: Fault indicator. This open-drain output pin indicates an overcurrent, overtemperature, or output short condition.
7. NC: No connection. This pin is not internally connected and can be left floating.
8. NC: Another no connection pin.
The TPS2551DRVR is used for current limiting applications and protects against overcurrent conditions in power distribution systems.
1. IN: Supply input. This pin is connected to the positive supply voltage and provides power to the chip.
2. OUT: Load output. This pin is connected to the load and supplies power to it.
3. GND: Ground. This pin is connected to the ground of the circuit.
4. EN: Enable. This pin is used to enable or disable the output. A high input enables the device, and a low input disables it.
5. ILIM: Current limit set. Connect a resistor between ILIM and GND to set the current limit threshold.
6. FAULT: Fault indicator. This open-drain output pin indicates an overcurrent, overtemperature, or output short condition.
7. NC: No connection. This pin is not internally connected and can be left floating.
8. NC: Another no connection pin.
The TPS2551DRVR is used for current limiting applications and protects against overcurrent conditions in power distribution systems.
Manufacturer
The TPS2551DRVR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a broad range of electronic components and integrated circuits. TI is renowned for its innovations in analog and embedded processing technologies and serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. As a leader in the semiconductor industry, TI focuses on developing products that enhance performance, reliability, and efficiency while supporting sustainable practices.
Application
The TPS2551DRVR is a power distribution switch commonly used in various applications such as USB ports, power management in consumer electronics, and computing systems to control and protect power rails. It is employed for current limiting and short-circuit protection, making it suitable for use in laptops, tablets, and other portable devices. Additionally, it finds use in industrial and automotive electronics for safeguarding circuits against overcurrent conditions, and in battery-powered devices for efficient power management. Its small size and thermal protection features make it ideal for space-constrained and high-reliability applications.
Package
The TPS2551DRVR is a power distribution switch from Texas Instruments, packaged in a VSON (Very Thin Small Outline No-Lead) package with a nominal dimension of 3.00 mm x 3.00 mm, commonly referred to as DRV. This package type is suitable for compact designs and typically contains 10 pins.
