SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —
MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC PWR SWITCH N-CHANNEL 1:1 8DIP. Review the specifications below when checking this part for your BOM.
The MIC2549A-1YN is a high-side power switch from Microchip Technology, optimized for low-loss DC power switching and ACPI applications. It features a programmable current limit ranging from 500 mA to 3 A and a maximum on-resistance of 50 mΩ. The device operates within a supply voltage range of 2.7 V to 5.5 V. Key electrical parameters include a maximum turn-on time of 5 ms and a maximum off-time of 25 µs. It supports operation temperatures from -40°C to +85°C.
Verify the specific suffix '1YN' against official Microchip documentation to confirm package type and enable signal polarity. Ensure the selected variant matches the required logic levels and thermal management needs for the target application environment.
Select this component when a high-side switch with thermal shutdown latching is required. The MIC2549A-1YN is suitable for applications needing precise current limiting and fault indication. Compare against the MIC2545A if thermal latching is not necessary for the design.
The MIC2549A-1YN belongs to the MIC2545A/2549A family of integrated high-side power switches. This series is designed as a cost-effective solution requiring few external components. The 'A' designation typically indicates specific electrical characteristics within the product line.
The MIC2549A includes an additional internal latch that turns the output off upon thermal shutdown, providing more robust fault control compared to the MIC2545A.
The output current limit is precision resistor-programmable, allowing adjustment from 500 mA to 3 A using an external resistor.
Explore related parts through Power Management (PMIC), Integrated Circuits (ICs), all product categories, ChipApex homepage.

MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read More
Learn what an integrated circuit is, how ICs work, the main types and the specs to check before choosing a part for your design…
Read More
MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read More
MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read MoreMIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read More
Understand RF attenuator dB values, fixed and programmable types, impedance, power limits and noise tradeoffs before choosing parts for an RF signal path.
Read More
MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read More
Learn why PTC resistance rises with temperature, how it differs from NTC, and which ratings matter for sensing and protection.
Read More
MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read More
Select MOV varistors by continuous voltage, clamping behavior, surge waveform and repetition. Check thermal disconnection, fuse coordination and replacements.
Read More
MIC2549A-1YN is listed in the Power Distribution Switches, Load Drivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC…
Read More
Choose logic inverter ICs by thresholds, supply, output drive and delay. Compare standard and Schmitt-trigger inputs, power sequencing and replacement checks.
Read More