規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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 TPS2552DBVR is a power distribution switch from Texas Instruments, designed for applications requiring high-side load switching. It is part of the TPS2552 series, notable for its current-limiting features, which help protect power supply lines from overcurrent and short-circuit conditions. This device offers an adjustable current limit, allowing customization based on specific application needs, typically ranging from 75 mA to 1.1 A.
Key features include a fast trip response to overcurrent conditions, reverse current blocking when disabled, and thermal shutdown protection. The TPS2552DBVR operates with an input voltage range of 2.5 V to 6.5 V, suitable for USB and other consumer electronics. It comes in a small SOT-23-6 package, ideal for space-constrained designs.
The switch is controlled via an enable pin, making it simple to integrate into a variety of systems. Its robust design ensures reliable performance in demanding environments, making it suitable for applications like USB ports, battery-powered devices, and other load-switching solutions.
Key features include a fast trip response to overcurrent conditions, reverse current blocking when disabled, and thermal shutdown protection. The TPS2552DBVR operates with an input voltage range of 2.5 V to 6.5 V, suitable for USB and other consumer electronics. It comes in a small SOT-23-6 package, ideal for space-constrained designs.
The switch is controlled via an enable pin, making it simple to integrate into a variety of systems. Its robust design ensures reliable performance in demanding environments, making it suitable for applications like USB ports, battery-powered devices, and other load-switching solutions.
Equivalent
Equivalent products to the Texas Instruments TPS2552DBVR power switch include:
1. Microchip MIC2545A: A current limiting power switch with similar features.
2. ON Semiconductor NCP380: Known for adjustable current limiting and thermal shutdown.
3. Diodes Incorporated AP2552: Offers similar protection features with adjustable current limiting.
4. STMicroelectronics ST2041: Provides over-current and over-temperature protection.
These alternatives may vary slightly in terms of specifications, so always check datasheets to ensure compatibility with your application.
1. Microchip MIC2545A: A current limiting power switch with similar features.
2. ON Semiconductor NCP380: Known for adjustable current limiting and thermal shutdown.
3. Diodes Incorporated AP2552: Offers similar protection features with adjustable current limiting.
4. STMicroelectronics ST2041: Provides over-current and over-temperature protection.
These alternatives may vary slightly in terms of specifications, so always check datasheets to ensure compatibility with your application.
Features
The TPS2552DBVR is a precision adjustable current-limited power distribution switch designed for use in applications where precision current limiting and overcurrent protection are required. Key features include:
1. Adjustable Current Limit: The device allows for a user-defined current limit between 75 mA to 1.7 A via an external resistor, offering flexibility for various applications.
2. Overcurrent Protection: It provides robust protection against overcurrent conditions by limiting the output current to a safe level.
3. Thermal Shutdown: The device features thermal shutdown protection to prevent damage from overheating due to excessive power dissipation.
4. Reverse Current Blocking: The TPS2552DBVR includes reverse current blocking to prevent current flowing back into the input when the output voltage is higher.
5. Low Quiescent Current: It has a low quiescent current of 60 μA, which is beneficial for battery-powered designs.
6. Small Package: Available in a small SOT-23 package, it is ideal for space-constrained applications.
These features make the TPS2552DBVR suitable for use in USB ports, power distribution in PCs, and other general-purpose power management applications.
1. Adjustable Current Limit: The device allows for a user-defined current limit between 75 mA to 1.7 A via an external resistor, offering flexibility for various applications.
2. Overcurrent Protection: It provides robust protection against overcurrent conditions by limiting the output current to a safe level.
3. Thermal Shutdown: The device features thermal shutdown protection to prevent damage from overheating due to excessive power dissipation.
4. Reverse Current Blocking: The TPS2552DBVR includes reverse current blocking to prevent current flowing back into the input when the output voltage is higher.
5. Low Quiescent Current: It has a low quiescent current of 60 μA, which is beneficial for battery-powered designs.
6. Small Package: Available in a small SOT-23 package, it is ideal for space-constrained applications.
These features make the TPS2552DBVR suitable for use in USB ports, power distribution in PCs, and other general-purpose power management applications.
Pinout
The TPS2552DBVR is a current-limited power distribution switch from Texas Instruments. It comes in a 6-pin SOT-23 package. Here is a concise description of its pin functions:
1. IN: Power input pin. Connect to the supply voltage.
2. OUT: Power output pin. Connect to the load.
3. GND: Ground pin. Connect to the system ground.
4. ILIM: Current limit set pin. A resistor connected to this pin sets the desired current limit.
5. EN: Enable pin. Used to enable or disable the device. Active high.
6. FAULT: Fault output pin. Open-drain output that indicates an overcurrent or thermal shutdown condition.
These pins together facilitate protection and control of power distribution in various electronic applications.
1. IN: Power input pin. Connect to the supply voltage.
2. OUT: Power output pin. Connect to the load.
3. GND: Ground pin. Connect to the system ground.
4. ILIM: Current limit set pin. A resistor connected to this pin sets the desired current limit.
5. EN: Enable pin. Used to enable or disable the device. Active high.
6. FAULT: Fault output pin. Open-drain output that indicates an overcurrent or thermal shutdown condition.
These pins together facilitate protection and control of power distribution in various electronic applications.
Manufacturer
The TPS2552DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. TI's products are used in a wide array of applications, including industrial, automotive, personal electronics, and communications equipment. The company is known for its innovation in producing reliable and efficient semiconductor products that help improve the performance and power efficiency of electronic devices.
Application
The TPS2552DBVR is a power distribution switch designed for applications that require precise current limiting and protection. It is commonly used in areas such as USB power distribution, where it safeguards against overcurrent conditions. Additionally, it is used in consumer electronics, laptops, and tablets to manage power delivery effectively. The device is also applicable in hard disk drives, solid-state drives, set-top boxes, and other embedded systems where reliable power management and protection are critical. Its ability to provide current limiting, short-circuit protection, and thermal shutdown makes it suitable for a wide range of electronic devices that require robust power control.
Package
The TPS2552DBVR is packaged in a SOT-23-6 format, which is a small, surface-mount package with six pins. This package type is commonly used for space-constrained applications, offering a compact form factor for electronic components.
