規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| SwitchType | General Purpose |
| NumberofOutputs | 2 |
| Ratio-Input:Output | 1:2 |
| 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-SOIC |
概述
Description
The TPS2042BDR is a dual-channel, current-limited power distribution switch designed by Texas Instruments. It is commonly used in applications requiring reliable power management and protection, such as USB ports, PCI slots, and other peripheral interfaces. Each channel can deliver up to 500 mA of continuous current, providing an efficient distribution of power to connected devices.
Key features of the TPS2042BDR include overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring safe operation under various conditions. The device integrates an inrush current limiting feature to prevent high current surges during start-up, which is crucial for protecting both the switch and connected devices.
The TPS2042BDR comes in a small, space-saving package, enhancing its suitability for portable and compact applications. It operates over a wide range of input voltages, making it versatile for different power supply conditions. With its robust protection features and efficient power management capabilities, the TPS2042BDR is a reliable choice for designers looking to implement power distribution in their electronic systems.
Key features of the TPS2042BDR include overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring safe operation under various conditions. The device integrates an inrush current limiting feature to prevent high current surges during start-up, which is crucial for protecting both the switch and connected devices.
The TPS2042BDR comes in a small, space-saving package, enhancing its suitability for portable and compact applications. It operates over a wide range of input voltages, making it versatile for different power supply conditions. With its robust protection features and efficient power management capabilities, the TPS2042BDR is a reliable choice for designers looking to implement power distribution in their electronic systems.
Equivalent
Equivalent products to the TPS2042BDR chip, which is a dual-channel power distribution switch, can include:
1. MIC2026-1YM by Microchip Technology
2. AP2141SG-13 by Diodes Incorporated
3. NCP380HMU05AATBG by ON Semiconductor
4. SY6280ABC by Silergy Corp
These alternatives offer similar functionalities and are used in applications that require power distribution with current limiting and over-temperature protection. Always verify the specifications to ensure compatibility.
1. MIC2026-1YM by Microchip Technology
2. AP2141SG-13 by Diodes Incorporated
3. NCP380HMU05AATBG by ON Semiconductor
4. SY6280ABC by Silergy Corp
These alternatives offer similar functionalities and are used in applications that require power distribution with current limiting and over-temperature protection. Always verify the specifications to ensure compatibility.
Features
The TPS2042BDR is a dual-channel current-limited power distribution switch from Texas Instruments, designed for applications requiring current limiting and protection in power systems. Key features include:
1. Current Limiting: Protects connected devices by limiting the output current to a safe level, preventing damage due to overcurrent conditions.
2. Over-Temperature Protection: Shuts down the switch to prevent damage if the temperature exceeds safe levels.
3. Short-Circuit Protection: Prevents damage by rapidly reducing the output current in case of a short circuit.
4. Enable Control: Each channel can be independently controlled via an enable pin, allowing flexible power management.
5. Fault Reporting: Provides fault indications through status pins, making it easier to diagnose issues.
6. UL and CSA Approved: Certified for reliability and safety in various applications.
7. Applications: Ideal for USB ports, power distribution in PCs, and any systems requiring protection from overloads or short circuits.
8. Package: Available in a small form factor, suitable for space-constrained designs.
Overall, the TPS2042BDR combines robust protection features with flexibility and ease of integration in electronic systems.
1. Current Limiting: Protects connected devices by limiting the output current to a safe level, preventing damage due to overcurrent conditions.
2. Over-Temperature Protection: Shuts down the switch to prevent damage if the temperature exceeds safe levels.
3. Short-Circuit Protection: Prevents damage by rapidly reducing the output current in case of a short circuit.
4. Enable Control: Each channel can be independently controlled via an enable pin, allowing flexible power management.
5. Fault Reporting: Provides fault indications through status pins, making it easier to diagnose issues.
6. UL and CSA Approved: Certified for reliability and safety in various applications.
7. Applications: Ideal for USB ports, power distribution in PCs, and any systems requiring protection from overloads or short circuits.
8. Package: Available in a small form factor, suitable for space-constrained designs.
Overall, the TPS2042BDR combines robust protection features with flexibility and ease of integration in electronic systems.
Pinout
The TPS2042BDR is a dual-channel power distribution switch from Texas Instruments. It features an 8-pin configuration. The primary function of the TPS2042BDR is to provide overcurrent protection for power distribution systems, typically used in USB applications. Each channel can deliver up to 500mA of continuous load current with current limiting and short-circuit protection. The pins are typically designated for the following functions:
1. VIN - Power input
2. OUT1 - Output for channel 1
3. OUT2 - Output for channel 2
4. OC1 - Overcurrent signal output for channel 1
5. OC2 - Overcurrent signal output for channel 2
6. GND - Ground
7. EN1 - Enable input for channel 1
8. EN2 - Enable input for channel 2
These switches are optimized for applications requiring control of heavy capacitive loads, minimizing inrush current.
1. VIN - Power input
2. OUT1 - Output for channel 1
3. OUT2 - Output for channel 2
4. OC1 - Overcurrent signal output for channel 1
5. OC2 - Overcurrent signal output for channel 2
6. GND - Ground
7. EN1 - Enable input for channel 1
8. EN2 - Enable input for channel 2
These switches are optimized for applications requiring control of heavy capacitive loads, minimizing inrush current.
Manufacturer
The TPS2042BDR is manufactured by Texas Instruments (TI). Texas Instruments is a multinational technology company based in Dallas, Texas, known for designing and manufacturing semiconductors and various integrated circuits. The company serves a broad range of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is one of the largest semiconductor companies in the world and is especially recognized for its innovations in analog and embedded processing products.
Application
The TPS2042BDR is a dual-channel, current-limited power distribution switch designed for use in USB ports, consumer electronics, and general power management applications. It is commonly used in scenarios where over-current protection is necessary to safeguard circuits from potential damage. Specific application areas include USB hubs, notebook computers, set-top boxes, and other portable or compact devices where efficient power distribution is crucial. Its ability to provide precise current limiting and thermal protection makes it ideal for enhancing the reliability and safety of electronic systems.
Package
The TPS2042BDR is a dual-channel, current-limited power distribution switch from Texas Instruments. It is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package, known for its compact form ideal for surface mounting on PCBs.
