Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| SwitchType | USB Switch |
| NumberofOutputs | 1 |
| Ratio-Input:Output | 1:1 |
| OutputConfiguration | High Side |
| OutputType | N-Channel |
| Interface | On/Off |
| Voltage-Load | 4.5V ~ 5.5V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 500mA |
| RdsOn(Typ) | 97mOhm |
| InputType | Non-Inverting |
| Features | Load Discharge, Status Flag |
| FaultProtection | Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | SOT-23-5 |
Overview
Description
The TPS2051CDBVR is a power distribution switch from Texas Instruments. This integrated circuit is part of the TPS20xx family, designed for current-limited power distribution applications. It is typically used in systems that require overcurrent protection and controlled turn-on characteristics, such as USB ports and other power management solutions.
Key features of the TPS2051CDBVR include:
1. Current Limiting: It provides adjustable current limiting to protect connected devices from overcurrent conditions.
2. Overcurrent Protection: The device can automatically shut down in the event of an overcurrent situation to prevent damage.
3. Thermal Shutdown: It includes built-in thermal shutdown protection to prevent overheating.
4. Low On-Resistance: The switch has a low on-resistance, minimizing voltage drop and power dissipation.
5. Compact Package: It is available in a small SOT-23 package, making it suitable for space-constrained applications.
6. Application Versatility: Ideal for USB ports, cell phones, and other portable and consumer electronics requiring robust power management.
Overall, the TPS2051CDBVR offers efficient power distribution with safety features, ensuring reliable operation for various electronic applications.
Key features of the TPS2051CDBVR include:
1. Current Limiting: It provides adjustable current limiting to protect connected devices from overcurrent conditions.
2. Overcurrent Protection: The device can automatically shut down in the event of an overcurrent situation to prevent damage.
3. Thermal Shutdown: It includes built-in thermal shutdown protection to prevent overheating.
4. Low On-Resistance: The switch has a low on-resistance, minimizing voltage drop and power dissipation.
5. Compact Package: It is available in a small SOT-23 package, making it suitable for space-constrained applications.
6. Application Versatility: Ideal for USB ports, cell phones, and other portable and consumer electronics requiring robust power management.
Overall, the TPS2051CDBVR offers efficient power distribution with safety features, ensuring reliable operation for various electronic applications.
Equivalent
The TPS2051CDBVR is a power distribution switch. Equivalent products include:
1. Microchip’s MCP1826
2. ON Semiconductor's NCP380
3. Diodes Incorporated’s AP2331
4. Maxim Integrated's MAX14521E
5. STMicroelectronics' ST2047
These alternatives provide similar functionality in terms of power distribution and over-current protection. Always verify specific requirements such as voltage, current ratings, and package type when considering replacements.
1. Microchip’s MCP1826
2. ON Semiconductor's NCP380
3. Diodes Incorporated’s AP2331
4. Maxim Integrated's MAX14521E
5. STMicroelectronics' ST2047
These alternatives provide similar functionality in terms of power distribution and over-current protection. Always verify specific requirements such as voltage, current ratings, and package type when considering replacements.
Features
The TPS2051CDBVR is a power-distribution switch from Texas Instruments designed for USB applications and other power management needs. Key features include:
1. Current Limiting: It provides a current limit to protect the device and connected loads from excessive current conditions.
2. Overcurrent Protection: In case of overcurrent, the switch limits the current and prevents damage by switching off the output if necessary.
3. Thermal Shutdown: The device incorporates thermal protection, shutting down if the temperature exceeds safe limits to prevent overheating.
4. Short-Circuit Protection: It helps safeguard against short-circuit conditions by limiting the output current and shutting down if needed.
5. Controlled Rise and Fall Times: Ensures smooth turn-on and turn-off with controlled rise and fall times to minimize inrush currents.
6. Enable Input: A dedicated pin to enable or disable the device, allowing for power-saving modes.
7. Compact Package: The device is available in a small SOT-23 (DBV) package, making it suitable for space-constrained applications.
These features make the TPS2051CDBVR a reliable choice for managing power distribution effectively in various electronic applications.
1. Current Limiting: It provides a current limit to protect the device and connected loads from excessive current conditions.
2. Overcurrent Protection: In case of overcurrent, the switch limits the current and prevents damage by switching off the output if necessary.
3. Thermal Shutdown: The device incorporates thermal protection, shutting down if the temperature exceeds safe limits to prevent overheating.
4. Short-Circuit Protection: It helps safeguard against short-circuit conditions by limiting the output current and shutting down if needed.
5. Controlled Rise and Fall Times: Ensures smooth turn-on and turn-off with controlled rise and fall times to minimize inrush currents.
6. Enable Input: A dedicated pin to enable or disable the device, allowing for power-saving modes.
7. Compact Package: The device is available in a small SOT-23 (DBV) package, making it suitable for space-constrained applications.
These features make the TPS2051CDBVR a reliable choice for managing power distribution effectively in various electronic applications.
Pinout
The TPS2051CDBVR is a power distribution switch from Texas Instruments. It comes in a small SOT-23-5 package, which means it has a pin count of 5. The primary function of this component is to provide a current-limited power distribution switch for USB and general-purpose power management applications.
Here’s a brief description of the pin functions:
1. IN: Input voltage pin. Connects to the power source.
2. OUT: Output voltage pin. Delivers power to the load.
3. GND: Ground pin. Connects to the system ground.
4. EN: Enable pin. Used to enable or disable the output. Active-high logic.
5. OC: Overcurrent flag pin. An open-drain output that indicates an overcurrent condition.
The TPS2051CDBVR offers protection features like overcurrent protection, thermal shutdown, and controlled turn-on/off. These features help prevent damage to the device and connected circuits in case of faults.
Here’s a brief description of the pin functions:
1. IN: Input voltage pin. Connects to the power source.
2. OUT: Output voltage pin. Delivers power to the load.
3. GND: Ground pin. Connects to the system ground.
4. EN: Enable pin. Used to enable or disable the output. Active-high logic.
5. OC: Overcurrent flag pin. An open-drain output that indicates an overcurrent condition.
The TPS2051CDBVR offers protection features like overcurrent protection, thermal shutdown, and controlled turn-on/off. These features help prevent damage to the device and connected circuits in case of faults.
Manufacturer
The TPS2051CDBVR is manufactured by Texas Instruments, an American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are used in electronic products across a wide range of industries, including consumer electronics, automotive, industrial, and communications equipment. The company is one of the largest semiconductor manufacturers globally and has a strong focus on analog and embedded processing products.
Application
The TPS2051CDBVR is a power distribution switch primarily used in applications requiring power management and distribution. Common areas include USB ports in computers and peripherals, where it ensures overcurrent protection and power control. It's also used in consumer electronics such as smartphones, tablets, and battery-powered devices for efficient power management. Additionally, the TPS2051CDBVR is utilized in industrial and automotive systems for reliable power distribution and protection. Its features like current limiting, thermal shutoff, and undervoltage lockout make it suitable for applications requiring safe and efficient power handling.
Package
The TPS2051CDBVR is a power distribution switch from Texas Instruments and is available in a SOT-23-6 package.
