AP2171DWG-7

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AP2171DWG-7

+BOM

IC PWR SWITCH P-CHAN 1:1 SOT25

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Specifications

Attribute Value
Part Status Active
Switch Type USB Switch
Number of Outputs 1
Ratio - Input: Output 1:1
Output Configuration High Side
Output Type P-Channel
Interface On/Off
Voltage - Load 2.7V ~ 5.5V
Voltage - Supply (Vcc/Vdd) Not Required
Current - Output (Max) 1A
Rds On (Typ) 95mOhm
Input Type Non-Inverting
Features Status Flag
Fault Protection Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package SOT-25
Package / Case SC-74A, SOT-753
Base Product Number AP2171

Overview

Description

The AP2171DWG-7 is a power distribution switch, commonly used in electronic devices for power management. It is designed to control and distribute electrical power to various components in a circuit. Key features of the AP2171DWG-7 include its ability to handle high output current while maintaining low standby power consumption, making it efficient for battery-operated devices. The switch incorporates protection features such as over-current protection, over-temperature protection, and short-circuit protection, ensuring the safety and reliability of the connected devices. It typically operates within a voltage range of 2.7V to 5.5V, making it versatile for use in a variety of applications.
The AP2171DWG-7 is compact and comes in a small form factor, which is ideal for circuit board space optimization. Its integrated design reduces the need for additional external components, simplifying the overall circuit design. It is widely used in consumer electronics, computers, and communication devices, where efficient power management is crucial. Manufacturers include it in designs that require robust power distribution with minimal external control effort.

Equivalent

The AP2171DWG-7 is a current-limited power switch typically used in USB applications. Equivalent products include:
1. Texas Instruments TPS2065: A similar power switch with adjustable current limit.
2. Microchip USB2524: Offers USB port power management features.
3. Diodes Incorporated AP2112: Provides high-side power distribution capabilities.
4. ON Semiconductor NCP380: Features current limiting and over-temperature protection.
Ensure compatibility by checking the datasheet specifications, such as voltage, current limits, and package type.

Features

The AP2171DWG-7 is a power switch designed for USB applications. Key features include:
1. Current Limiting: Offers adjustable current limiting to protect connected devices from overcurrent conditions.
2. Over-Temperature Protection: Has built-in thermal shutdown to prevent damage from overheating.
3. Under-Voltage Lockout (UVLO): Ensures the switch only operates when the input voltage is above a certain threshold, providing stability.
4. Reverse Current Blocking: Prevents current from flowing back into the power supply, safeguarding the system.
5. Low On-Resistance: Features low on-resistance to ensure minimal voltage drop and efficient power delivery.
6. Controlled Rise and Fall Times: Provides controlled output rise and fall times to reduce inrush current and minimize system noise.
7. Enable Control: Includes an enable pin for easy control of the power switch state.
8. Small Package: Comes in a compact package suitable for space-constrained applications.
These features make the AP2171DWG-7 ideal for managing power in USB and consumer electronics applications, ensuring reliability and protection.

Pinout

The AP2171DWG-7 is an integrated load switch with a single channel, typically used for power distribution and management. It comes in a SOT-223-5L package, which means it has 5 pins. Here is a concise overview of its pin functions:
1. IN (Input Voltage): This is the input pin where the supply voltage is connected. It provides the power to the load.
2. GND (Ground): This pin is connected to the system ground.
3. EN (Enable): This is the enable pin; when driven high, it turns the switch on, allowing current to flow to the output. When low, it turns the switch off.
4. NC (No Connect): This pin is not internally connected and can be left floating or used for mechanical stability.
5. OUT (Output Voltage): This is the output pin where the load is connected. Current flows from this pin to the load when the switch is enabled.
These pins allow the AP2171DWG-7 to effectively manage power distribution in electronic circuits.

Manufacturer

The AP2171DWG-7 is manufactured by Diodes Incorporated. Diodes Incorporated is a global semiconductor company that designs, manufactures, and supplies a broad range of semiconductor products. Their product offerings include discrete, analog, and mixed-signal products, as well as advanced packaging technology. Diodes Incorporated serves various markets, including consumer electronics, computing, communications, industrial, and automotive industries, providing essential components for power management, signal integrity, and circuit protection.

Application

The AP2171DWG-7 is a power switch IC designed for USB applications. Its primary application areas include USB ports and hubs, where it provides current limiting and protection for downstream devices. It is often used in consumer electronics, personal computers, and peripherals to manage power distribution and enhance safety by preventing overcurrent conditions. Additionally, it can be utilized in charging stations and portable devices to regulate power output efficiently. Its compact design and reliability make it suitable for integration into space-constrained electronic devices requiring robust power management solutions.

Package

The AP2171DWG-7 is a part number for a power switch IC, and it comes in a SOT-25 package, which is a small outline transistor package with five leads.

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