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TPS2051BDGNR
+NomenclatureIC PWR SWITCH N-CHAN 1:1 8MSOP
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FabricantTexas Instruments
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Pièce fabricant #TPS2051BDGNR
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Package HVSSOP (DGN)-8
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En stock4604
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Spécifications
| Attribut | Valeur |
| 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 | 2.7V ~ 5.5V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 500mA |
| RdsOn(Typ) | 70mOhm |
| InputType | Non-Inverting |
| Features | Status Flag |
| FaultProtection | Current Limiting (Fixed), Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 8-HVSSOP |
Présentation
Description
The TPS2051BDGNR is a power distribution switch designed by Texas Instruments. It features a single-channel high-side switch that is ideal for USB applications and other power management situations where current limiting is crucial. The device can handle an input voltage range from 4.5 V to 5.5 V, making it compatible with typical USB power supply voltages.
Key features include a current limit of 0.5 A, thermal shutdown protection, and short-circuit protection, which help safeguard connected devices against overload conditions. The TPS2051BDGNR also provides overcurrent protection by limiting the output current to a safe level and can automatically restart once the fault condition is removed, thanks to its integrated fault recovery mechanism.
The switch is packaged in a compact 8-pin SOIC, which is suitable for space-constrained applications. This device is well-suited for use in laptops, desktop PCs, and other consumer electronics requiring reliable power distribution and protection. Its low quiescent current and efficient design make it an excellent choice for portable and battery-powered applications.
Key features include a current limit of 0.5 A, thermal shutdown protection, and short-circuit protection, which help safeguard connected devices against overload conditions. The TPS2051BDGNR also provides overcurrent protection by limiting the output current to a safe level and can automatically restart once the fault condition is removed, thanks to its integrated fault recovery mechanism.
The switch is packaged in a compact 8-pin SOIC, which is suitable for space-constrained applications. This device is well-suited for use in laptops, desktop PCs, and other consumer electronics requiring reliable power distribution and protection. Its low quiescent current and efficient design make it an excellent choice for portable and battery-powered applications.
Equivalent
The TPS2051BDGNR is a power distribution switch from Texas Instruments. Equivalent products include:
1. MIC2025-1YM/TR by Microchip Technology
2. AP2161WG-7 by Diodes Incorporated
3. NCP380HMUAJAATBG by ON Semiconductor
4. RT9711BGQW by Richtek
These alternatives offer similar functionalities such as current limiting, over-current protection, and thermal shutdown. Always verify the specific electrical and mechanical requirements in your application to ensure compatibility.
1. MIC2025-1YM/TR by Microchip Technology
2. AP2161WG-7 by Diodes Incorporated
3. NCP380HMUAJAATBG by ON Semiconductor
4. RT9711BGQW by Richtek
These alternatives offer similar functionalities such as current limiting, over-current protection, and thermal shutdown. Always verify the specific electrical and mechanical requirements in your application to ensure compatibility.
Features
The TPS2051BDGNR is a power distribution switch from Texas Instruments, designed for high-side load-switching applications. Key features include:
1. Current Limiting: Provides protection by limiting current to a safe level during overcurrent conditions.
2. Thermal Shutdown: Protects the device by turning it off if the temperature exceeds a specified limit.
3. Short-Circuit Protection: Safeguards the device against short-circuit conditions.
4. Reverse Current Blocking: Prevents current from flowing backward from the output to the input.
5. Low Supply Current: Offers low quiescent current, enhancing energy efficiency.
6. Single Channel: Features a single power switch channel.
7. Slew Rate Control: Ensures controlled rise and fall times, reducing voltage spikes.
8. Operating Voltage: Supports a wide input voltage range, typically around 4.5V to 5.5V.
9. On-Resistance (Rds On): Low on-resistance, reducing power loss during operation.
10. Enable Pin: Provides control over the switch state, offering flexibility in operation.
These features make the TPS2051BDGNR ideal for USB power distribution, battery-powered devices, and other applications requiring robust power management.
1. Current Limiting: Provides protection by limiting current to a safe level during overcurrent conditions.
2. Thermal Shutdown: Protects the device by turning it off if the temperature exceeds a specified limit.
3. Short-Circuit Protection: Safeguards the device against short-circuit conditions.
4. Reverse Current Blocking: Prevents current from flowing backward from the output to the input.
5. Low Supply Current: Offers low quiescent current, enhancing energy efficiency.
6. Single Channel: Features a single power switch channel.
7. Slew Rate Control: Ensures controlled rise and fall times, reducing voltage spikes.
8. Operating Voltage: Supports a wide input voltage range, typically around 4.5V to 5.5V.
9. On-Resistance (Rds On): Low on-resistance, reducing power loss during operation.
10. Enable Pin: Provides control over the switch state, offering flexibility in operation.
These features make the TPS2051BDGNR ideal for USB power distribution, battery-powered devices, and other applications requiring robust power management.
Pinout
The TPS2051BDGNR is an integrated circuit that functions as a power distribution switch. It is typically used to provide overcurrent protection and manage power distribution in USB ports and other applications. The device is manufactured by Texas Instruments.
The TPS2051BDGNR comes in an 8-pin package. The pin functions are as follows:
1. IN - Input voltage pin where the supply voltage is connected.
2. GND - Ground pin.
3. OUT - Output voltage pin where the load is connected.
4. OC - Overcurrent detection pin, which goes low when an overcurrent condition is detected.
5. EN - Enable pin to turn the power switch on or off; active high.
6. NC - No connection pin, typically not connected internally.
7. NC - No connection pin, similar to pin 6.
8. NC - No connection pin, similar to pins 6 and 7.
These pins help support the device's role in protecting circuits from overcurrent conditions by cutting off the output if the current exceeds a certain threshold, thereby enhancing system reliability and safety.
The TPS2051BDGNR comes in an 8-pin package. The pin functions are as follows:
1. IN - Input voltage pin where the supply voltage is connected.
2. GND - Ground pin.
3. OUT - Output voltage pin where the load is connected.
4. OC - Overcurrent detection pin, which goes low when an overcurrent condition is detected.
5. EN - Enable pin to turn the power switch on or off; active high.
6. NC - No connection pin, typically not connected internally.
7. NC - No connection pin, similar to pin 6.
8. NC - No connection pin, similar to pins 6 and 7.
These pins help support the device's role in protecting circuits from overcurrent conditions by cutting off the output if the current exceeds a certain threshold, thereby enhancing system reliability and safety.
Manufacturer
The TPS2051BDGNR 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. They supply semiconductors to electronics designers and manufacturers around the world. Their products are used in a variety of applications, including industrial, automotive, personal electronics, and communications equipment. TI is known for its innovation in the semiconductor industry and has a strong focus on research and development to drive technological advancements.
Application
The TPS2051BDGNR is a power distribution switch designed for applications requiring current-limiting and short-circuit protection. It is commonly used in USB power distribution, where it protects the port from overcurrent conditions. The device is also suitable for general-purpose power management in consumer electronics, computers, and peripherals, offering controlled power delivery and protection to downstream devices. Additionally, the TPS2051BDGNR is used in industrial equipment and automotive systems where robust power management is critical. Its small size and efficient operation make it ideal for compact and portable electronic devices.
Package
The TPS2051BDGNR is a power distribution switch from Texas Instruments. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, specifically the "DGNR" variant, which denotes a reel or tape packaging for surface mount technology.
