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TPS2051BDRG4
+BOMIC PWR SWITCH N-CHAN 1:1 8SOIC
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPS2051BDRG4
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Discontinued at Digi-Key |
| 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 |
| FaultProtection | Current Limiting (Fixed), Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 8-SOIC |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) |
| BaseProductNumber | TPS2051 |
Tổng quan
Description
Key features include built-in over-current protection, thermal shutdown, and low on-resistance, which reduces power losses and heat generation. The TPS2051BDRG4 also provides reverse current protection, ensuring that power flows in the intended direction only. Its small footprint and surface-mount package (DRG4) make it ideal for space-constrained designs.
In summary, the TPS2051BDRG4 is a robust and efficient solution for power management in USB applications, combining high performance with protective features to ensure device safety and reliability.
Equivalent
Features
1. Dual Power Switch: Provides two independent power paths, allowing multiple devices to be powered simultaneously.
2. Current Limit: Integrated current limiting protects against overload conditions, enhancing device safety.
3. Low On-Resistance: Features low on-resistance (typically 90 mΩ), minimizing power loss and heat generation.
4. Fast Response: Quick turn-on and turn-off times improve overall system efficiency.
5. Thermal Protection: Includes thermal shutdown capability to prevent damage due to overheating.
6. Logic Level Control: Can be controlled with standard TTL logic levels for easy integration.
7. Reverse Current Protection: Prevents back-feeding of power through the switches.
8. Small Package: Offered in a compact, surface-mount package, ideal for space-constrained applications.
These features make the TPS2051BDRG4 suitable for various applications, including USB devices, mobile devices, and other portable electronics.
Pinout
Key pin functions are as follows:
- Input Pins (IN1, IN2): Supply voltage inputs for the two channels.
- Output Pins (OUT1, OUT2): Power output to connected loads.
- Control Pins (ON1, ON2): Control the turn-on and turn-off of each channel.
- Status Pins (FAULT1, FAULT2): Indicate fault conditions like overcurrent.
- GND: Ground connection.
- VCC: Supply voltage for internal circuitry.
The device is designed to ensure safe and efficient power distribution to USB peripherals, protecting against overcurrent conditions.
Manufacturer
Application
1. USB Devices: Power management for USB peripherals like keyboards, mice, and external drives.
2. Consumer Electronics: Power routing in devices such as cameras, gaming consoles, and portable media players.
3. Computer Systems: Power distribution in laptops and desktops for USB ports.
4. Industrial Equipment: Power supply for industrial USB devices and sensors.
5. Mobile Devices: Battery management and power distribution in smartphones and tablets.
Its features include overcurrent protection, fast transient response, and low on-resistance, ensuring efficient power delivery.