MEC1725N-B0-I/LJ

Application Specific Microcontrollers Overview

The MEC1725N-B0-I/LJ is an embedded controller featuring an ARM Cortex-M4F processor operating up to 48 MHz. It integrates 416 KB of SRAM (352 KB code, 64 KB data) and 128 bytes of battery-backed storage within a 176-pin WFBGA package. The device supports 1.8 V and 3.3 I/O voltages with an operating temperature range of -40°C to 85°C. Key interfaces include Intel eSPI compliant host communication, PECI 3.1, dual UARTs, five I2C/SMBus controllers, and Quad SPI masters. Security features comprise hardware accelerators for AES-256, RSA, ECC, and SHA algorithms, alongside a True Random Number Generator and secure boot capabilities.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M4F core with 416 KB SRAM and 128-byte battery-backed memory
• Intel eSPI host interface supporting Master/Slave Attached Flash Sharing
• Hardware cryptographic accelerators for AES, RSA, ECC, and SHA
• Integrated thermal management including PROCHOT monitoring and RPM-based fan control

Application Specific Microcontrollers Applications

• Notebook PC embedded controllers
• Storage enclosure platforms
• Low power PC architecture designs requiring ACPI S0-S5 support

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current product selection guide to confirm package type and temperature grade. Ensure compatibility with the required SPI Flash configuration for secure boot operations. Check for any applicable errata sheets relevant to the silicon revision prior to final design implementation.

Application Specific Microcontrollers Selection Notes

Select this component for applications requiring high integration of security features and low-power management in notebook systems. The 176-pin WFBGA package requires appropriate PCB layout considerations for thermal dissipation and signal integrity. Confirm that the system design supports the necessary 1.8 V and 3.3 V power domains for optimal operation.

Application Specific Microcontrollers Part Context

This part belongs to the MEC172x family of embedded controllers designed by Microchip Technology. It serves as a specialized I/O controller for notebook platforms, offering mixed-signal capabilities and extensive peripheral connectivity compared to general-purpose microcontrollers.

Application Specific Microcontrollers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Microchip technical support for cross-reference information regarding legacy or alternative devices.