Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Active |
| SwitchType | USB Switch |
| 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) | 1.5A |
| RdsOn(Typ) | 80mOhm |
| InputType | Non-Inverting |
| Features | Status Flag |
| FaultProtection | Current Limiting (Adjustable), Over Temperature |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 8-SOIC |
Tổng quan
Description
The MIC2544-1YM is a power distribution switch designed for USB applications and other hot-swap environments. It features an integrated 100mΩ N-channel MOSFET capable of handling continuous current loads up to 2.5A. The device provides essential protection features such as current limiting, short-circuit protection, and thermal shutdown to safeguard connected devices against overcurrent and overheating conditions.
The MIC2544-1YM operates with an input voltage range of 2.7V to 5.5V, making it suitable for typical USB power supplies. Its low quiescent current and fast transient response make it efficient for portable and battery-powered applications. The device also includes an "enable" pin for control and power management, allowing for easy toggling between active and shutdown states.
The MIC2544-1YM is housed in a compact SOIC-8 package, facilitating straightforward integration into circuit designs. Its reliability and robust protection features make it a suitable choice for designers looking to ensure safety and durability in USB and similar power distribution systems.
The MIC2544-1YM operates with an input voltage range of 2.7V to 5.5V, making it suitable for typical USB power supplies. Its low quiescent current and fast transient response make it efficient for portable and battery-powered applications. The device also includes an "enable" pin for control and power management, allowing for easy toggling between active and shutdown states.
The MIC2544-1YM is housed in a compact SOIC-8 package, facilitating straightforward integration into circuit designs. Its reliability and robust protection features make it a suitable choice for designers looking to ensure safety and durability in USB and similar power distribution systems.
Equivalent
The MIC2544-1YM is a power distribution switch. Equivalent products include the Texas Instruments TPS2041, the ON Semiconductor NCP380, and the STMicroelectronics ST2041. These components offer similar functionality in terms of current limiting and high-side switch capabilities, but it's essential to verify specific requirements like current ratings, voltage range, and package type to ensure compatibility in your application.
Features
The MIC2544-1YM is a power distribution switch designed for power management applications. Key features include:
1. Current Limiting: Provides precise current limiting to protect connected devices from high current conditions.
2. Thermal Protection: Automatically shuts down the switch in case of overheating to prevent damage.
3. Fault Blanking: Includes a fault blanking feature that prevents false triggering of overcurrent protection during startup or transients.
4. Reverse Current Blocking: Prevents current from flowing back from the output to the input, safeguarding the power source.
5. Low On-Resistance: Offers low on-resistance for efficient power delivery and minimized power loss.
6. Enable Control: Has an enable pin for easy control of the switch state.
7. Compact Package: Available in a small package suitable for space-constrained applications.
These features make the MIC2544-1YM ideal for use in USB power distribution, battery-powered devices, and other applications requiring reliable power management and protection.
1. Current Limiting: Provides precise current limiting to protect connected devices from high current conditions.
2. Thermal Protection: Automatically shuts down the switch in case of overheating to prevent damage.
3. Fault Blanking: Includes a fault blanking feature that prevents false triggering of overcurrent protection during startup or transients.
4. Reverse Current Blocking: Prevents current from flowing back from the output to the input, safeguarding the power source.
5. Low On-Resistance: Offers low on-resistance for efficient power delivery and minimized power loss.
6. Enable Control: Has an enable pin for easy control of the switch state.
7. Compact Package: Available in a small package suitable for space-constrained applications.
These features make the MIC2544-1YM ideal for use in USB power distribution, battery-powered devices, and other applications requiring reliable power management and protection.
Pinout
The MIC2544-1YM is a power distribution switch IC designed for USB applications and similar power management tasks. It typically comes in an 8-pin package. Here is a concise description of its pin functions:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (IN): Input voltage; connect to the higher voltage side of the switch.
3. Pin 3 (OUT): Switch output; delivers power to the load.
4. Pin 4 (FLG): Fault flag; active low open-drain output that indicates an overcurrent or thermal shutdown condition.
5. Pin 5 (EN/EN): Enable input; enables or disables the switch operation. Depending on the specific variant, it can either be active high (EN) or active low (/EN).
6. Pin 6 (NC): No connection; often not internally connected.
7. Pin 7 (NC): No connection; often not internally connected.
8. Pin 8 (GND): Ground connection (may be internally connected to pin 1).
The MIC2544-1YM is used to manage power distribution, offering features like current limiting, short-circuit protection, and thermal shutdown.
1. Pin 1 (GND): Ground connection.
2. Pin 2 (IN): Input voltage; connect to the higher voltage side of the switch.
3. Pin 3 (OUT): Switch output; delivers power to the load.
4. Pin 4 (FLG): Fault flag; active low open-drain output that indicates an overcurrent or thermal shutdown condition.
5. Pin 5 (EN/EN): Enable input; enables or disables the switch operation. Depending on the specific variant, it can either be active high (EN) or active low (/EN).
6. Pin 6 (NC): No connection; often not internally connected.
7. Pin 7 (NC): No connection; often not internally connected.
8. Pin 8 (GND): Ground connection (may be internally connected to pin 1).
The MIC2544-1YM is used to manage power distribution, offering features like current limiting, short-circuit protection, and thermal shutdown.
Manufacturer
The MIC2544-1YM is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. The company serves a wide range of industries including automotive, aerospace, communications, computing, consumer electronics, and industrial applications. Microchip is known for delivering reliable and cost-effective semiconductor products and solutions to its global customer base.
Application
The MIC2544-1YM is a power distribution switch often used in applications requiring reliable power management and protection. Typical application areas include Universal Serial Bus (USB) power distribution, where it helps manage power delivery to USB devices. It's also used in PC motherboards and peripheral devices for current limiting and short-circuit protection. Additionally, it finds use in notebook and desktop computers, battery-powered devices, and general-purpose power management systems, offering features like thermal shutdown and undervoltage lockout to enhance system safety and reliability.
Package
The MIC2544-1YM is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) package.
