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TPS22954DQCR
+StücklisteIC PWR SWITCH N-CHAN 1:1 10WSON
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HerstellerTexas Instruments
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Herstellerteil #TPS22954DQCR
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Auf Lager7162
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Spezifikationen
| Attribut | Wert |
| PartStatus | Active |
| BaseProductNumber | TPS22954 |
| SwitchType | General Purpose |
| NumberofOutputs | 1 |
| Ratio-Input:Output | 1:1 |
| OutputConfiguration | High Side |
| OutputType | N-Channel |
| Interface | On/Off |
| Voltage-Load | 2.5V ~ 5.7V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 5A |
| RdsOn(Typ) | 14mOhm |
| InputType | Non-Inverting |
| Features | Auto Restart, Load Discharge, Power Good, Slew Rate Controlled |
| FaultProtection | Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 105°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 10-WSON (3x2) |
| Package | 10-WFDFN Exposed Pad |
| Packaging | Bulk, Cut Tape (CT), Tape & Reel (TR) |
Übersicht
Description
A key feature of the TPS22954DQCR is its controlled rise time, which helps to minimize inrush currents during startup. This characteristic is crucial for protecting downstream components and ensuring reliable operation. The component also includes thermal shutdown and overcurrent protection, enhancing its robustness and reliability in demanding environments.
The TPS22954DQCR is housed in a compact, space-saving package, making it ideal for applications where board space is limited. Its design focuses on ease of use and integration into existing systems, offering designers a straightforward solution for efficient power management. Typical applications include consumer electronics, computing, and industrial systems.
Equivalent
Features
1. Input Voltage Range: Supports a wide input voltage range from 0.6V to 5.7V, making it versatile for different power rail requirements.
2. Current Handling: Capable of handling a continuous current of up to 5 A, suitable for high-current applications.
3. Low ON-Resistance: Offers a low ON-resistance (typically around 4.7 mΩ) to minimize voltage drop and power loss across the switch.
4. Controlled Turn-On: Provides an adjustable rise time to control inrush current, which helps protect downstream components during power-up.
5. Integrated Output Discharge: Features an integrated output discharge function to ensure a quick discharge of the load capacitance when the switch is turned off.
6. Thermal Protection: Includes thermal shutdown protection to prevent damage due to excessive heat.
7. Package: Available in a compact 8-pin WSON package, which is space-efficient for portable and small form-factor designs.
These features make the TPS22954DQCR ideal for battery-powered devices, consumer electronics, and various point-of-load power distribution applications.
Pinout
1. VIN - Input voltage pin where the source voltage is supplied.
2. VOUT - Output voltage pin where the switched voltage is delivered.
3. EN (Enable) - This pin is used to enable or disable the power switch. A high signal enables the switch, while a low signal disables it.
4. GND - Ground pin for reference.
5. NC (No Connect) - This pin is typically not electrically connected within the device and can be left unconnected on the PCB.
6. PG (Power Good) - This is an open-drain output pin that indicates the status of the VOUT voltage. It outputs a high signal when VOUT is above a certain threshold.
7. ILIM (Current Limit) - This pin sets the current limit threshold for the switch.
8. CT (Capacitor Timing) - Used to set the slew rate of the output voltage by connecting a capacitor to ground.
This concise explanation covers the essential pin functions and helps understand the operation of the TPS22954DQCR switch.