DFI EHL051: 2.5" Pico-ITX SBC with Intel® Atom® Processor

FC CE ROHS UK CA

Intel® Atom® Processor | 2.5" Pico-ITX

(intel) IoT Solutions Alliance

Product Overview

The DFI EHL051 is a compact and powerful 2.5" Pico-ITX Single Board Computer (SBC) designed for industrial and embedded applications. It utilizes the Intel® Atom® processor, offering a balance of performance and power efficiency.

Bottom View of EHL051 Board: Features include Front Panel connectors, COM 1, Nano SIM Slot (Optional), COM 2, M.2 E Key, M.2 B Key, USB 3.2 Gen2, LAN 1/2, HDMI, SMBus/I2C (Optional), DIO, Audio, DDR4 SODIMM, Panel backlight/SATA power, USB 2.0 (x2), SATA, DC-in, and SPI.

Top View of EHL051 Board: Highlights include Intel® Atom® Processor, DDR4 SODIMM slot, and various I/O ports.

Key Features

DDR4 Memory: Supports 1 DDR4 3200MHz SODIMM module.
4K High Resolution: Capable of supporting 4K/2K resolution displays.
Dual Display: Offers HDMI and LVDS outputs for flexible display configurations.
Multiple Expansion: Includes 1 M.2 E Key, 1 M.2 B Key, and 1 SATA interface for expanded functionality.
Rich I/O: Provides comprehensive connectivity including 2 Intel GbE ports, 2 COM ports, 2 USB 3.2 Gen2 ports, and 2 USB 2.0 ports.

Block Diagram

The block diagram illustrates the system architecture, showing connections for power (12V DC-in), display interfaces (HDMI, LVDS), storage (SATA 3.0), networking (Intel 1226-V/IT GbE), expansion slots (M.2 E key, M.2 B key), USB ports (USB 3.0, USB 3.2 Gen2, USB 2.0), audio (ALC888), serial ports (COM 1, COM 2 via F81439A UART), and other peripherals like SPI, SMBus, and front panel connectors.

Mechanical Drawing

The mechanical drawing provides dimensions and mounting hole locations for the 2.5" Pico-ITX form factor board. Key dimensions include 100mm x 72mm.

Specifications

System

Processor: Intel® Atom® Processor, Elkhart Lake (Industrial, Embedded, PC Client options available with various core counts and clock speeds).
Memory: Single DDR4-3200 SODIMM up to 32GB, with optional in-band ECC support for industrial SKUs.
BIOS: AMI SPI 256Mbit.
Controller: Intel® HD Graphics.

Graphics

Feature: OpenGL 5.0, DirectX 12, OpenCL 2.1.
Display: Supports HW Decode/Encode for various video codecs.
Dual Displays Interface: 1 x HDMI (up to 4096x2160 @24Hz) and 1 x LVDS (dual channel, up to 1920x1200 @60Hz).

Expansion

Interface: 1 x M.2 2230 E Key (PCIe/USB2.0) for Wi-Fi/BT, 1 x M.2 3042/2242 B Key (PCIe*/USB3.0/SATA) with optional SIM slot for 4G/5G.

Audio

Audio Codec: Realtek ALC888S-VD2-GR.
Controller: Supports Line-out/Mic-in.

Rear I/O

Ethernet: 2 x Intel® 1226-V/IT (10/100/1000Mbps) GbE ports.
USB: 2 x USB 3.2 Gen2.
Display: 1 x HDMI.
Serial: 2 x RS-232/422/485 (1.27mm pitch).
USB: 2 x USB 2.0 (1.27mm pitch).

Internal I/O

Display: 1 x LVDS LCD Panel Connector, 1 x LCD/Backlight Power (5V/12V).
Audio: 1 x Audio (Line-out/Mic-in).
SATA: 1 x SATA 3.0 (up to 6Gb/s), 1 x 5V SATA Power.
DIO: 1 x 8-bit DIO.
Front Panel: Connectors for power button, reset button, power LED, HDD activity LED.
SMBus: 1 x SMBus/I2C (Optional). Smart battery interface available upon request.

Watchdog Timer

Output & Interval: System Reset, programmable from 1 to 255 seconds.
TPM Security: dTPM2.0.

Power

Type: Single 12V +/-10% DC input.
Connector: 2-pin Terminal Block, optional 2-pin Vertical Type Connector.
Consumption: Typical: 13.2 Watt (12V @ 1.1A), Max: 19.2 Watt (12V @ 1.6A).
RTC Battery: CR2032 Coin Cell.

OS Support

OS Support (UEFI Only): Windows 10 IoT Enterprise (64-bit), Linux.

Environment

Temperature: Operating: -5 to 65°C, Storage: -40 to 85°C.
Humidity: Operating: 5 to 90% RH, Storage: 5 to 90% RH.
MTBF: Calculated based on Telcordia Issue 4 standards.

Mechanism

Dimensions: 2.5" Pico-ITX Form Factor, PCB: 1.6 mm. Top Side Height: 15 mm, Bottom Side Height: 8 mm. Overall Dimensions: 100mm (3.94") x 72mm (2.83").

Standards and Certifications

Certifications: CE, FCC, RoHS, UKCA, KC.

Ordering Information

Various models are available based on processor, memory, and thermal specifications. Refer to the table for specific part numbers (P/N) and configurations, including thermal ratings.

Model Name	P/N	Processor	Memory	Display	GbE	RS-232/422/485	USB 3.2 Gen2	USB 2.0	Power	Temp.
EHL051-TCD-6425RE	770-EHL0511-000G	x6425RE	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-40 to 85°C
EHL051-TCD-6416RE	770-EHL0511-100G	x6416RE	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-40 to 85°C
EHL051-TCD-6214RE	770-EHL0511-200G	x6214RE	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-40 to 85°C
EHL051-TCD-6425E	770-EHL0511-300G	x6425E	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-40 to 85°C
EHL051-TCD-6413E	770-EHL0511-400G	x6413E	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-40 to 85°C
EHL051-TCD-6211E	770-EHL0511-500G	x6211E	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-40 to 85°C
EHL051-BCD-J6412	770-EHL0511-600G	J6412	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-5 to 65°C
EHL051-BCD-N6210	770-EHL0511-700G	N6210	1 DDR4 SO-DIMM	HDMI + LVDS	2	2	2	2	12VDC Fanless	-5 to 65°C

Packing List

1 EHL051 board
1 Serial ATA data cable (Length: 152mm)
1 Y cable for SATA and inverter power (Length: 155mm)
1 Heat spreader (Height: 11mm) for x6000 series (or 18.9mm for N/J series)

Optional Items

USB port cable (Length: 200mm)
1 COM port cable (Length: 300mm)
Power adapter (60W, 12V, DC Jack)
2 pole terminal to DC Jack cable
1 Audio cable (Length: 160mm)
1 Heat sink (Height: 22.6mm for x6000 series, 18.9mm for N/J series)

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