規格
| 屬性 | 價值 |
| 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 | 2.5V ~ 6.5V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 1.5A |
| RdsOn(Typ) | 85mOhm |
| InputType | Non-Inverting |
| Features | Slew Rate Controlled, Status Flag |
| FaultProtection | Current Limiting (Adjustable), Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | SOT-23-6 |
概述
Description
The TPS2553DBVR is a precision adjustable current-limited power distribution switch manufactured by Texas Instruments. It is designed for applications that require precise current limiting and overcurrent protection, such as USB ports, hot swap applications, and power distribution systems. The device offers a programmable current limit, which can be set using an external resistor, allowing flexibility for different load requirements.
Key features include:
- Adjustable current limit range from 75 mA to 1.7 A.
- Overcurrent, short-circuit, and over-temperature protection.
- Reverse current blocking to prevent damage when power is suddenly removed.
- Low quiescent current, making it suitable for battery-powered applications.
- Small SOT-23-6 package, which is ideal for space-constrained designs.
The TPS2553DBVR also includes an open-drain fault flag to notify the system of fault conditions, such as overcurrent or thermal shutdown. Its robust design and reliability make it a popular choice for engineers looking to protect circuits in a variety of electronic devices.
Key features include:
- Adjustable current limit range from 75 mA to 1.7 A.
- Overcurrent, short-circuit, and over-temperature protection.
- Reverse current blocking to prevent damage when power is suddenly removed.
- Low quiescent current, making it suitable for battery-powered applications.
- Small SOT-23-6 package, which is ideal for space-constrained designs.
The TPS2553DBVR also includes an open-drain fault flag to notify the system of fault conditions, such as overcurrent or thermal shutdown. Its robust design and reliability make it a popular choice for engineers looking to protect circuits in a variety of electronic devices.
Equivalent
The TPS2553DBVR is a power switch from Texas Instruments. Equivalent products could include:
1. MIC2545A from Microchip Technology: Offers similar current limiting and protection features.
2. AP2141 from Diodes Incorporated: Provides comparable functionality in terms of current limiting and load protection.
3. NCP380 from ON Semiconductor: Features similar overcurrent protection capabilities.
Ensure compatibility by checking specific electrical characteristics and pin configurations for each alternative.
1. MIC2545A from Microchip Technology: Offers similar current limiting and protection features.
2. AP2141 from Diodes Incorporated: Provides comparable functionality in terms of current limiting and load protection.
3. NCP380 from ON Semiconductor: Features similar overcurrent protection capabilities.
Ensure compatibility by checking specific electrical characteristics and pin configurations for each alternative.
Features
The TPS2553DBVR is a power switch designed for precision current limiting and overcurrent protection applications. Key features include:
1. Adjustable Current Limit: It allows for precise current-limit settings, making it suitable for a wide range of load conditions.
2. Low ON-Resistance: The device has a low on-resistance, minimizing power loss and heat generation.
3. Reverse Current Blocking: It prevents reverse current flow, protecting the power source and upstream components.
4. Thermal Shutdown: The TPS2553DBVR includes thermal protection to prevent damage from overheating.
5. Fault Reporting: It provides fault status indication via a fault output, useful for system diagnostics.
6. Compact Package: It comes in a small SOT-23 package, making it ideal for space-constrained applications.
7. Wide Input Voltage Range: It operates over a broad input voltage range, enhancing its versatility in various applications.
8. Fast Response Time: The device features a fast response to overcurrent conditions, ensuring reliable protection.
These features make the TPS2553DBVR suitable for use in USB ports, power distribution, and other applications requiring reliable power protection.
1. Adjustable Current Limit: It allows for precise current-limit settings, making it suitable for a wide range of load conditions.
2. Low ON-Resistance: The device has a low on-resistance, minimizing power loss and heat generation.
3. Reverse Current Blocking: It prevents reverse current flow, protecting the power source and upstream components.
4. Thermal Shutdown: The TPS2553DBVR includes thermal protection to prevent damage from overheating.
5. Fault Reporting: It provides fault status indication via a fault output, useful for system diagnostics.
6. Compact Package: It comes in a small SOT-23 package, making it ideal for space-constrained applications.
7. Wide Input Voltage Range: It operates over a broad input voltage range, enhancing its versatility in various applications.
8. Fast Response Time: The device features a fast response to overcurrent conditions, ensuring reliable protection.
These features make the TPS2553DBVR suitable for use in USB ports, power distribution, and other applications requiring reliable power protection.
Pinout
The TPS2553DBVR is a current-limited power distribution switch from Texas Instruments. It typically comes in a 5-pin SOT-23 package. Here are the pin functions:
1. IN (Pin 1): Power input; connect this pin to the supply voltage.
2. GND (Pin 2): Ground connection.
3. EN (Pin 3): Enable input; driving this pin high turns on the switch, while driving it low turns off the switch.
4. ILIM (Pin 4): Current limit set; connect an external resistor between ILIM and GND to set the desired current limit.
5. OUT (Pin 5): Power output; provides the current-limited output to the load.
The TPS2553 is used to provide overcurrent protection in power distribution applications and can be used in USB ports, consumer electronics, and other systems that require load switching and protection.
1. IN (Pin 1): Power input; connect this pin to the supply voltage.
2. GND (Pin 2): Ground connection.
3. EN (Pin 3): Enable input; driving this pin high turns on the switch, while driving it low turns off the switch.
4. ILIM (Pin 4): Current limit set; connect an external resistor between ILIM and GND to set the desired current limit.
5. OUT (Pin 5): Power output; provides the current-limited output to the load.
The TPS2553 is used to provide overcurrent protection in power distribution applications and can be used in USB ports, consumer electronics, and other systems that require load switching and protection.
Manufacturer
The TPS2553DBVR is manufactured by Texas Instruments, an American technology company. Texas Instruments is a global company that designs and produces semiconductors and various integrated circuits, which are used in electronic devices. They are one of the largest semiconductor companies in the world and have a diverse portfolio that includes analog chips, digital signal processors, and various other semiconductor products.
Application
The TPS2553DBVR is a power distribution switch designed for applications requiring intelligent power management and current limiting. Key application areas include:
1. USB Ports and Hubs: Provides power control and protection for USB ports.
2. Consumer Electronics: Used in devices like laptops, gaming consoles, and set-top boxes for over-current protection.
3. Industrial Equipment: Ensures reliable power distribution and circuit protection in industrial systems.
4. Power Management: Integral in systems requiring controlled power distribution and load management.
5. Telecommunication Systems: Assists in safeguarding circuits in networking and communication devices.
6. Battery-Powered Devices: Helps manage power efficiently in portable electronics.
These applications benefit from its current limiting, over-current protection, and thermal shutdown features.
1. USB Ports and Hubs: Provides power control and protection for USB ports.
2. Consumer Electronics: Used in devices like laptops, gaming consoles, and set-top boxes for over-current protection.
3. Industrial Equipment: Ensures reliable power distribution and circuit protection in industrial systems.
4. Power Management: Integral in systems requiring controlled power distribution and load management.
5. Telecommunication Systems: Assists in safeguarding circuits in networking and communication devices.
6. Battery-Powered Devices: Helps manage power efficiently in portable electronics.
These applications benefit from its current limiting, over-current protection, and thermal shutdown features.
Package
The TPS2553DBVR is a Power Distribution Switch offered in a SOT-23-6 package. The SOT-23-6 is a small outline transistor package with six terminals, commonly used for compact electronic applications.
