圖片僅供參考
TPS22945DCKR
+物料清單IC PWR SWITCH P-CHAN 1:1 SC70-5
-
製造商德州儀器
-
製造商部分 #TPS22945DCKR
-
包裹 SOT-SC70-5
-
有存貨5414
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Switch Type | General Purpose |
| Number of Outputs | 1 |
| Ratio - Input: Output | 1:1 |
| Output Configuration | High Side |
| Output Type | P-Channel |
| Interface | On/Off |
| Voltage - Load | 1.62V ~ 5.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 100mA |
| Rds On (Typ) | 400mOhm |
| Input Type | Non-Inverting |
| Features | Auto Restart |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | SC-70-5 |
概述
Description
The TPS22945DCKR is a power switch IC designed by Texas Instruments. It features an integrated load switch with a low ON-resistance, making it ideal for power management applications. The device operates within an input voltage range of 1.62V to 5.5V and can handle a continuous current up to 2A. It includes a controlled turn-on to limit inrush current and protect downstream circuits. The switch is designed for use in battery-powered devices and portable applications, offering efficient power distribution and management.
Key features include fast shutdown, reverse current blocking, and thermal shutdown protection. The TPS22945DCKR is housed in a space-saving SC70-6 package, making it suitable for compact designs. Its low quiescent current and wide voltage range enhance its usability in various electronic applications, including smartphones, tablets, and other portable consumer electronics. Overall, the TPS22945DCKR provides a reliable solution for managing power distribution with minimal external components.
Key features include fast shutdown, reverse current blocking, and thermal shutdown protection. The TPS22945DCKR is housed in a space-saving SC70-6 package, making it suitable for compact designs. Its low quiescent current and wide voltage range enhance its usability in various electronic applications, including smartphones, tablets, and other portable consumer electronics. Overall, the TPS22945DCKR provides a reliable solution for managing power distribution with minimal external components.
Equivalent
The TPS22945DCKR is a load switch from Texas Instruments. Equivalent products from other manufacturers may include the NCP4545 from ON Semiconductor, the AP2281 from Diodes Incorporated, or the MIC94042 from Microchip Technology. When selecting a replacement, ensure that electrical specifications like voltage rating, current handling, on-resistance, and package type match the requirements of your application. Always refer to the datasheets for detailed specifications and compatibility.
Features
The TPS22945DCKR is a single-channel load switch designed for power management applications. It features a low ON-resistance of 44 mΩ, which helps minimize power loss. The device operates with an input voltage range of 1 V to 5.5 V, making it versatile for various applications. This load switch can handle a continuous current of up to 2 A, suitable for handling moderate power loads.
The TPS22945DCKR includes an adjustable slew rate control, which helps in reducing inrush current during turn-on, thereby protecting the downstream circuitry. It also features a quick output discharge (QOD) function for quick disconnection of the load when the switch is turned off. An integrated thermal shutdown and current limiting offer protection against prolonged overcurrent conditions. The device comes in a small SOT-353 package, making it suitable for space-constrained designs.
Applications for the TPS22945DCKR include portable electronics, consumer electronics, and power distribution in computing and networking equipment. The part is designed to provide efficient and reliable power management in compact and power-sensitive environments.
The TPS22945DCKR includes an adjustable slew rate control, which helps in reducing inrush current during turn-on, thereby protecting the downstream circuitry. It also features a quick output discharge (QOD) function for quick disconnection of the load when the switch is turned off. An integrated thermal shutdown and current limiting offer protection against prolonged overcurrent conditions. The device comes in a small SOT-353 package, making it suitable for space-constrained designs.
Applications for the TPS22945DCKR include portable electronics, consumer electronics, and power distribution in computing and networking equipment. The part is designed to provide efficient and reliable power management in compact and power-sensitive environments.
Pinout
The TPS22945DCKR is a load switch from Texas Instruments. It is designed to manage power distribution and is housed in a small SC-70 package. The device has a pin count of 6.
Here is the function of each pin:
1. VIN: Input voltage pin. Connect the supply voltage that needs to be switched.
2. VOUT: Output voltage pin. Connect this to the load that needs power.
3. ON: Control pin for enabling or disabling the switch. Driving this pin high turns the switch on, and driving it low turns it off.
4. GND: Ground pin. Connect this to the ground of the circuit.
5. NC (No Connect): Generally has no internal connection and can be left unconnected or connected to ground for mechanical support.
6. NC (No Connect): Same as above.
The device helps in minimizing power loss and managing current flow efficiently. It is suitable for applications requiring high-side load switching with controlled rise and fall times.
Here is the function of each pin:
1. VIN: Input voltage pin. Connect the supply voltage that needs to be switched.
2. VOUT: Output voltage pin. Connect this to the load that needs power.
3. ON: Control pin for enabling or disabling the switch. Driving this pin high turns the switch on, and driving it low turns it off.
4. GND: Ground pin. Connect this to the ground of the circuit.
5. NC (No Connect): Generally has no internal connection and can be left unconnected or connected to ground for mechanical support.
6. NC (No Connect): Same as above.
The device helps in minimizing power loss and managing current flow efficiently. It is suitable for applications requiring high-side load switching with controlled rise and fall times.
Manufacturer
The TPS22945DCKR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and embedded processors. The company is known for its innovation in analog and embedded processing technologies, serving various industries such as automotive, industrial, consumer electronics, communications equipment, and enterprise systems.
Application
The TPS22945DCKR is a load switch commonly used in power management applications. Its primary application areas include:
1. Portable Electronics: Used in smartphones, tablets, and wearables for efficient power distribution.
2. Consumer Electronics: Integrated in devices like cameras and gaming consoles to manage power supply.
3. Industrial Equipment: Utilized in automation systems and industrial sensors to control power delivery.
4. Computing Systems: Applied in laptops and desktops for managing power to peripheral devices.
5. Telecommunications: Employed in networking devices for controlling power to various components.
This device provides efficient power management by offering features like low ON-resistance, quick ON/OFF switching, and protection mechanisms, making it suitable for various applications requiring reliable power control.
1. Portable Electronics: Used in smartphones, tablets, and wearables for efficient power distribution.
2. Consumer Electronics: Integrated in devices like cameras and gaming consoles to manage power supply.
3. Industrial Equipment: Utilized in automation systems and industrial sensors to control power delivery.
4. Computing Systems: Applied in laptops and desktops for managing power to peripheral devices.
5. Telecommunications: Employed in networking devices for controlling power to various components.
This device provides efficient power management by offering features like low ON-resistance, quick ON/OFF switching, and protection mechanisms, making it suitable for various applications requiring reliable power control.
Package
The TPS22945DCKR is a load switch from Texas Instruments, housed in a SC70-6 package. This package is compact, making it suitable for space-constrained applications.
