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TPS2051BDBV
+NomenclatureTexas Instruments
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FabricantTexas Instruments
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Pièce fabricant #TPS2051BDBV
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En stock22140
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Présentation
Description
The TPS2051BDBV is a power distribution switch from Texas Instruments, designed for applications requiring current limiting and over-current protection. It is part of the TPS205x series, which offers single-channel power distribution with enhanced safety features. The device operates over a wide input voltage range and delivers a consistent output, making it suitable for USB peripherals, consumer electronics, and embedded systems.
Key features include:
1. Current Limiting: Provides protection against over-current conditions and short circuits.
2. Over-Temperature Protection: Shuts down the switch if the temperature exceeds safe levels.
3. Fault Reporting: Offers fault status through an open-drain fault flag, indicating over-current or over-temperature events.
4. Controlled Rise and Fall Times: Minimizes inrush current and reduces EMI.
5. Low Supply Current: Ensures efficient power usage.
The device comes in a small SOT-23 package, making it ideal for space-constrained applications. It enhances system reliability by preventing damage from power surges and ensuring stable operation across various environments.
Key features include:
1. Current Limiting: Provides protection against over-current conditions and short circuits.
2. Over-Temperature Protection: Shuts down the switch if the temperature exceeds safe levels.
3. Fault Reporting: Offers fault status through an open-drain fault flag, indicating over-current or over-temperature events.
4. Controlled Rise and Fall Times: Minimizes inrush current and reduces EMI.
5. Low Supply Current: Ensures efficient power usage.
The device comes in a small SOT-23 package, making it ideal for space-constrained applications. It enhances system reliability by preventing damage from power surges and ensuring stable operation across various environments.
Equivalent
The TPS2051BDBV is a power-distribution switch from Texas Instruments. Equivalent products might include:
1. MIC2025-2YM from Microchip Technology
2. AP2141 from Diodes Incorporated
3. ST2045 from STMicroelectronics
4. MAX890L from Maxim Integrated
When selecting an equivalent, ensure to check the datasheet for matching specifications like current rating, voltage range, and package compatibility.
1. MIC2025-2YM from Microchip Technology
2. AP2141 from Diodes Incorporated
3. ST2045 from STMicroelectronics
4. MAX890L from Maxim Integrated
When selecting an equivalent, ensure to check the datasheet for matching specifications like current rating, voltage range, and package compatibility.
Features
The TPS2051BDBV is a power distribution switch designed by Texas Instruments. Key features include:
1. Current Limiting: Provides protection by limiting the output current, preventing damage due to overcurrent conditions.
2. Overload Protection: Includes a circuit that can detect and respond to overload situations.
3. Thermal Shutdown: Automatically shuts down the device if the temperature exceeds safe operating limits to prevent damage.
4. Reverse Current Blocking: Prevents current from flowing back into the input during an overload.
5. Controlled Rise Time: Ensures smooth turn-on of the device, reducing inrush current.
6. Low ON-Resistance: Offers minimal power loss with low resistance in the on state.
7. Fault Reporting: Provides indication of fault conditions via a fault status pin.
8. Small Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.
9. Wide Input Voltage Range: Supports a broad range of input voltages, making it versatile for different power systems.
These features make the TPS2051BDBV ideal for applications that require reliable power distribution and protection, such as USB ports and other peripheral power management systems.
1. Current Limiting: Provides protection by limiting the output current, preventing damage due to overcurrent conditions.
2. Overload Protection: Includes a circuit that can detect and respond to overload situations.
3. Thermal Shutdown: Automatically shuts down the device if the temperature exceeds safe operating limits to prevent damage.
4. Reverse Current Blocking: Prevents current from flowing back into the input during an overload.
5. Controlled Rise Time: Ensures smooth turn-on of the device, reducing inrush current.
6. Low ON-Resistance: Offers minimal power loss with low resistance in the on state.
7. Fault Reporting: Provides indication of fault conditions via a fault status pin.
8. Small Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.
9. Wide Input Voltage Range: Supports a broad range of input voltages, making it versatile for different power systems.
These features make the TPS2051BDBV ideal for applications that require reliable power distribution and protection, such as USB ports and other peripheral power management systems.
Pinout
The TPS2051BDBV is a single-channel power distribution switch with a total of 5 pins. It is designed for use in USB applications and other power management scenarios where current limiting and power distribution are needed. Here's a brief overview of its pin functions:
1. IN (Pin 1): Input voltage pin where the power source is connected.
2. GND (Pin 2): Ground connection for the device.
3. EN (Pin 3): Enable pin used to turn the switch on or off. It is active high.
4. OUT (Pin 4): Output pin where the load is connected. The voltage is supplied to the load through this pin.
5. OC (Pin 5): Overcurrent (OC) indicator pin that signals an overcurrent condition by going low.
The TPS2051BDBV provides protection features such as current limiting and thermal shutdown to prevent damage under fault conditions.
1. IN (Pin 1): Input voltage pin where the power source is connected.
2. GND (Pin 2): Ground connection for the device.
3. EN (Pin 3): Enable pin used to turn the switch on or off. It is active high.
4. OUT (Pin 4): Output pin where the load is connected. The voltage is supplied to the load through this pin.
5. OC (Pin 5): Overcurrent (OC) indicator pin that signals an overcurrent condition by going low.
The TPS2051BDBV provides protection features such as current limiting and thermal shutdown to prevent damage under fault conditions.
Manufacturer
The TPS2051BDBV is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. These chips are used in various applications across different industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its focus on innovation and advancing semiconductor technology, and it operates design, manufacturing, and sales operations worldwide.
Application
The TPS2051BDBV is a power distribution switch, often utilized in applications such as USB power management, where it protects devices from overcurrent conditions. It is suitable for use in notebooks, PCs, and various consumer electronics to manage power distribution efficiently. Additionally, it is used in industrial and telecommunications equipment for circuit protection. Its compact design and thermal shutdown capability make it ideal for space-constrained applications requiring reliable power management solutions.
Package
The TPS2051BDBV is typically available in a SOT-23-6 package, which is a small outline transistor package with six pins. This package type is commonly used for compact electronic components, providing a balance between size and performance.
