Ka-Ro Electronics QFN Style Solder-Down Computer On Module

Ka-Ro Electronics QFN Style Solder-Down Computer On Module (COM) is single-sided, assembled in a small square size of 27mm and a height of 2.6mm. This module features a QFN-type lead style with a 1mm pitch and 100 pads. The QFN-style solder-down module is industrial-grade and features an RGB display interface, 2x USB connectivity, and an Arm® Cortex®-A55 1.4GHz NXP i.MX 91 processor. The Ka-Ro Electronics QS91 series is ideal for industrial, IoT, and medical applications.

Features

  • 27mm square
  • 2.6mm total height
  • QS family pin-compatible
  • Solder-down version
  • QFN type lead style:
    • 1mm pitch
    • 100 pads
    • Thermal pad
  • Industrial grade
  • 4GB eMMC ROM
  • Visual solder joint inspection is possible after soldering
  • Single-sided assembly
  • 3.3V power supply

Applications

  • Industrial requirements
  • Medical
  • IoT

Specifications

  • Connectivity
    • 2x USB 2.0
    • Ethernet, RGMII
    • 1x eMMC/SD
    • 2x FlexCAN
    • 8x UART, 7x I²C, 8x SPI, PWM, SAI, and 2x FLEXIO
    • ADC (4-channel, 12-bit), tamper detection
    • Up to 60x 3.3V general-purpose I/O
  • RGB display interface
  • NXP i.MX 91 processor
    • Arm Cortex-A55, 1.4GHz
    • NXP EdgeLock® secure enclave

Block Diagram

Block Diagram - Ka-Ro Electronics QFN Style Solder-Down Computer On Module

Dimensions

Mechanical Drawing - Ka-Ro Electronics QFN Style Solder-Down Computer On Module
Published: 2025-02-14 | Updated: 2026-03-16