OM6626 — High-Performance Ultra-Low-Power Bluetooth ESL SoC

Overview

The OM6626 is a power-optimized true SoC for Bluetooth Low Energy and proprietary 2.4 GHz applications. It integrates a high-performance RF transceiver, BLE 5.3 baseband, rich peripherals, and an efficient PMU. Ideal for electronic shelf labels (ESL), HID devices (keyboard/mouse/remote), sports/leisure gear, phone accessories, and consumer electronics.

Key Features

RF Transceiver

• Sensitivity: –99 dBm @1 Mbps, –96 dBm @2 Mbps GFSK

• TX Power: –30 to +10 dBm

• AGC, RSSI (1 dB resolution)

CPU & Debug

• ARM Cortex-M4 @ up to 64 MHz

• SWD interface

Memory

• 80 KB SRAM, 8 KB ICache

• 1 MB Serial Flash

• 256-bit EFUSE

Clocks

• 32 MHz & 32.768 kHz crystal/RC oscillators

Link Controller

• BLE 5.3 PHY + Link Layer

• Proprietary 2.4 GHz controller

Power Management

• Supply: 1.71–3.6 V

• RX: 3.4 mA peak

• TX: 4.2 mA (0 dBm)

• Sleep: 1.2 μA (16 KB RAM retained + 32 kHz RC)

• Integrated DCDC Buck

Software

• Full BLE 5.3 support (1/2 Mbps)

• Proprietary rates: 25 kbps–2 Mbps

• Mesh, OTA, example apps/profiles

Peripherals

• Up to 25 GPIOs, 8× DMA

• 2× UART, 1× I2C (master), 2× SPI

• Multiple timers (16/32-bit), LPTimer, Watchdog

• 8-ch 12-bit ADC (up to 333 ksps)

Security

• AES-128/256 hardware encryption

• Hardware RNG

Package & Temp

• OM6626A: LGA28 3×3 mm

• OM6626B: QFN32 4×4 mm

• –40°C to +85°C

Perfect for ultra-low-power, long-battery-life electronic shelf labels and other BLE devices.