TPS2051BDRG4

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TPS2051BDRG4

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IC PWR SWITCH N-CHAN 1:1 8SOIC

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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

The TPS2051BDRG4 is a USB-compatible power distribution switch designed to manage power delivery in electronic devices. It features dual channels with a maximum continuous current rating of 1.5A per channel, allowing for efficient power management for USB devices. The device operates with an input voltage range of 2.7V to 5.5V, making it suitable for various applications including portable electronics, computer peripherals, and consumer devices.
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

Equivalent products to the TPS2051BDRG4 include the TPS2061, TPS2041, and TPS2050 series. Other alternatives may include similar power distribution switches from manufacturers like ON Semiconductor (e.g., NCP81239) and Analog Devices (e.g., LTC4420). Always check specifications for compatibility regarding voltage, current ratings, and feature sets.

Features

The TPS2051BDRG4 is a dual-channel USB power switch designed for power management in portable devices. Key features include:
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

The TPS2051BDRG4 is a dual USB power distribution switch with a pin count of 16. Its main functions include providing power to USB devices while offering features such as overcurrent protection and low on-resistance.
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

The TPS2051BDRG4 is manufactured by Texas Instruments (TI), a prominent American technology company. Established in 1930, TI is renowned for its development of semiconductor products and integrated circuits, particularly in analog and embedded processing. The company serves a wide range of markets, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its innovation in power management solutions, data converters, and microcontrollers, contributing significantly to advancements in electronic devices and systems. The TPS2051BDRG4 is a USB power distribution switch, which plays a crucial role in managing power delivery in electronic applications.

Application

The TPS2051BDRG4 is a USB power distribution switch designed for various applications, including:
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.

Package

The TPS2051BDRG4 is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) form factor. It is designed for space-saving applications while providing efficient power management capabilities.

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