Overview
The MIC2026-1YM-TR is a dual-channel high-side power distribution switch from Microchip Technology (formerly Micrel), designed for USB, power management, and hot-swappable applications. This device integrates low on-resistance MOSFETs, current limiting, thermal shutdown, and fault status indication, effectively protecting the system and peripherals from overcurrent and short circuits.
The MIC2026-1YM-TR supports independent channel control, features fast response and stable current limiting characteristics, making it ideal for USB port power supply, embedded systems, power distribution modules, and consumer electronics. Its small SOIC package and low-power design help improve system integration and reduce overall design complexity.
Core parameters
| Parameter | Value |
| Product Type | Dual-channel power distribution switch |
| Number of channels | 2 channels |
| Operating voltage range | 2.7V to 5.5V |
| Output current | Maximum 500mA per channel |
| On-resistance (RDS(on)) | Approximately 140mΩ |
| Current limiting function | support |
| Thermal shutdown protection | support |
| Fault status output | support |
| Control method | Independent enable control |
| Encapsulation type | SOIC-8 (YM) |
| Operating temperature range | -40°C to +85°C |
| Environmental standards | RoHS compliant |
Features
Dual-channel independent power supply control
The MIC2026-1YM-TR provides two independently controlled high-side power switch channels, which can manage different loads separately, improving system design flexibility.
Integrated overcurrent and short circuit protection
The device has a built-in precise current limiting mechanism that can quickly limit the output current in the event of overcurrent or short circuit, protecting the main control system and external devices.
Thermal shutdown function enhances reliability
When the chip temperature exceeds the safety threshold, the device will automatically shut down the output to prevent overheating damage and improve the long-term stability of the system.
Low on-resistance design
Employing a low RDS(on) MOSFET structure effectively reduces power loss and heat generation, thereby improving power efficiency.
Ideal for USB power management
The MIC2026-1YM-TR meets USB power distribution requirements and can be used for power management of USB hubs, motherboard interfaces, and peripherals.
Typical application scenarios
USB port power protection
USB Hub, PC Peripherals and Interface Power Control.
Power distribution system
Multi-channel low-voltage power supply management and protection.
Embedded devices
Power supply management for industrial control boards and single-board computers.
Consumer electronics products
Set-top boxes, printers, smart terminals, and other equipment.
Hot-swappable system
It supports hot-swappable peripherals and features overcurrent protection.
Comparative Advantage Analysis
| Performance indicators | MIC2026-1YM-TR | Ordinary discrete solution |
| Integrated protection function | whole | External implementation required |
| Channel control | Dual independent channels | Typically single-channel |
| Thermal protection | built-in | Normally none |
| PCB space occupied | Small | Larger |
| System reliability | high | medium |
| Design complexity | Low | higher |
The MIC2026-1YM-TR is significantly superior to traditional discrete power switch solutions in terms of power protection, system integration, and design simplification.
Manufacturer Profile: Microchip Technology
Microchip Technology is a leading global supplier of embedded control and analog semiconductors, with a comprehensive product line in MCUs, power management, and interface products. Its MIC series power management devices are widely used in industrial, consumer electronics, and communication systems.
Why choose MIC2026-1YM-TR?
● Dual-channel independent high-side power control
● Integrated overcurrent limiting and thermal shutdown protection
● Low RDS(on), reducing power loss
● Ideal for USB power management applications
● Simplifies system design and reduces external components
● Industrial-grade stability and long-term reliability
Frequently Asked Questions (FAQ)
Q1: Is the MIC2026-1YM-TR suitable for USB hub designs?
Yes. This device is designed for USB power distribution, supports overcurrent protection and independent channel control, and is ideal for USB hubs and peripheral power management.
Q2: What happens when a short circuit occurs at the output?
The MIC2026-1YM-TR will automatically activate the current limiting mechanism and trigger thermal shutdown protection when the temperature is too high, thereby protecting the system and the device itself from damage.
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