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TPS2557DRBR
IC PWR SWITCH N-CHAN 1:1 8SON
- Fabricant
- Mfr. Partie #TPS2557DRBR
- Paquet SON-8
- Fiche de données
- En stock2766
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Spécifications
| 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) | 5A |
| RdsOn(Typ) | 22mOhm |
| InputType | Non-Inverting |
| Features | Slew Rate Controlled, Status Flag |
| FaultProtection | Current Limiting (Adjustable), Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 8-SON (3x3) |
Vue d'ensemble
Description
Key features of the TPS2557DRBR include its ability to support high-side power distribution applications, an adjustable current limit range from 500 mA to 5 A, and an operating voltage range from 4.5 V to 5.5 V. It also offers fast overcurrent response, ensuring quick system protection against short circuits or overcurrent conditions.
The device is typically used in USB ports, hot-plug applications, and power management systems where reliable overload protection is critical. Its small footprint and relatively simple implementation make it ideal for compact electronics requiring robust power management solutions.
This component is available in a 6-pin SON package, making it suitable for space-constrained applications. Texas Instruments provides detailed documentation and support for the TPS2557DRBR to assist engineers in integration and application development.
Features
1. Adjustable Current Limit: Offers adjustable current limit ranging from 500 mA to 5.2 A, providing flexibility for various applications.
2. Overcurrent Protection: Protects connected devices from overcurrent conditions by limiting the current to a safe level.
3. Reverse Current Blocking: Prevents current from flowing back into the power source, ensuring device safety.
4. Thermal Shutdown: Automatically shuts down the device if the temperature exceeds safe operating levels, preventing thermal damage.
5. Low Quiescent Current: Consumes minimal power in idle mode, enhancing energy efficiency.
6. Short-Circuit Protection: Detects and responds to short-circuit conditions to prevent damage.
7. Built-in Soft Start: Reduces inrush current during startup, helping to manage power supply stability.
8. Status Indicators: Provides fault and power-good indicators to facilitate system diagnostics.
The TPS2557DRBR is suitable for USB ports, hard drives, and other peripherals requiring reliable power management and protection.
Package
Pinout
1. IN: Power input.
2. OUT: Power output to the load.
3. EN: Enable pin to turn the device on or off.
4. ILIM: Current limit set; connects a resistor to this pin to set the current limit.
5. GND: Ground connection.
6. FAULT: Fault indicator; this open-drain output asserts low if a fault condition occurs.
7. NC: No connect (not used, or internally not connected).
8. NC or other: May vary depending on specific configurations or internal connections.
This switch is designed for power distribution applications, offering capabilities such as overcurrent protection, thermal shutdown, and fault reporting. It is suitable for use in USB ports, power rail protection, and similar applications requiring robust power management.
Manufacturer
Application
Equivalent
1. MIC2545A from Microchip Technology
2. AP2141 from Diodes Incorporated
3. NCP380 from ON Semiconductor
These alternatives offer similar functionalities, such as current limiting and protection features, but always check the specific datasheets for compatibility based on your application's requirements.
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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