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TPS2051BD
+StücklisteIC PWR SWITCH N-CHAN 1:1 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #TPS2051BD
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Paket SOIC-8
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Auf Lager3022
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Part Status | Active |
| Switch Type | General Purpose |
| Number of Outputs | 1 |
| Ratio - Input: Output | 1:1 |
| Output Configuration | High Side |
| Output Type | N-Channel |
| Interface | On/Off |
| Voltage - Load | 2.7V ~ 5.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 500mA |
| Rds On (Typ) | 70mOhm |
| Input Type | Non-Inverting |
| Features | Status Flag |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
Übersicht
Description
Key features of the TPS2051BD include:
- Current limiting and thermal shutdown protection
- Controlled rise and fall times to minimize EMI and inrush current
- Reverse current blocking when the device is disabled
- A small form factor, typically available in SOP and SOIC packages
The TPS2051BD also has a fault reporting mechanism which alerts the system to any potential problems, enhancing reliability. It operates over a wide input voltage range and supports various load types, making it a versatile choice for designers looking to implement efficient and robust power switching solutions in their devices.
Equivalent
1. MIC2025-1BM from Microchip Technology
2. AP2141A from Diodes Incorporated
3. RT9711 from Richtek
4. FPF2005 from ON Semiconductor
These alternatives generally offer similar features such as current limiting, thermal shutdown, and reverse-current blocking, but always check the datasheets for exact specifications and pin compatibility.
Features
1. Current Limiting: Provides protection by limiting the output current to prevent damage due to over-current situations.
2. Over-Temperature Protection: Shuts down the device if the temperature exceeds safe levels, preventing overheating.
3. Short-Circuit Protection: Safeguards connected devices by detecting and responding to short-circuit conditions.
4. Controlled Rise and Fall Times: Ensures minimal inrush current and reduces electromagnetic interference by controlling output voltage transition rates.
5. Enable Input: Allows external control of the switch state, facilitating power management.
6. Reverse Current Blocking: Prevents current from flowing backwards from the output to the input when the switch is off.
7. Status Indicators: Provides fault indication via an output pin, enabling easy monitoring of the switch status.
8. Compact Package: Available in small SOP packages, suitable for space-constrained applications.
These features make the TPS2051BD suitable for USB power distribution, battery-powered devices, and other applications requiring reliable power management.
Pinout
Key pin functions include:
1. IN (Input): Connects to the power source.
2. OUT (Output): Provides the regulated power output.
3. GND (Ground): Reference ground for the device.
4. EN (Enable): Controls the on/off state of the switch.
5. OC (Overcurrent): Provides an active-low flag to indicate an overcurrent condition.
6. NC (No Connect): No internal connection, may be used for mechanical support.
7. NC/Other Function Pins: Depending on packaging, might be no connect or used for additional functions like feedback or control.
The TPS2051BD is commonly used in USB power distribution, battery-powered systems, and general-purpose power switching applications.