Onmicro
A leading domestic BLE SoC family — 7 series from general-purpose BLE, low-power and FindMy trackers to high-performance multi-protocol and flagship BLE 5.4, with first-tier distribution and local design support.
GTAI Technology — a National High-Tech Enterprise and Specialized & Innovative Enterprise focused on chip distribution and solution design, with deep expertise in wireless communications and AI, backed by strong chip supply chain advantages and R&D capabilities. As a genuine Onmicro distributor offering competitive pricing and original manufacturer technical support, we have served hundreds of customers.
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Onmicro BLE SoC Comparison
Leading domestic BLE chip brand · GTAI tier-1 distributor & solution partner
| Model | Core | Clock | SRAM | Flash | BLE | Package | Highlights |
|---|---|---|---|---|---|---|---|
| OM662x Series | |||||||
| OM6621P | M4F | 128MHz | 392KB | — | 5.2 | QFN48/64,BGA76 | Top performance, large RAM |
| OM6629C | M4F(FPU) | 96MHz | 256KB | 1MB | 5.x | QFN48 6x6 | Large resources + high clock |
| OM6627B/C/D | M4F(FPU) | 64MHz | 256KB | 1MB | 5.x | QFN32/48/52 | Multiple package options |
| OM6626/B | M4 | 64MHz | 80KB | 1MB | 5.x | QFN32 4x4 | Ultra-low power, 3mA RX |
| OM6621EM | M4 | 64MHz | 40KB | 512KB | 5.1 | QFN32 4x4 | 16-bit Audio ADC |
| HS6621x Series | |||||||
| HS6621CG/CW-C | M4F | 64MHz | 64KB | 1MB | 5.1 | QFN48 6x6 | Up to 32 GPIO |
| HS6621CM/CQ-C | M4F | 64MHz | 64KB | 512KB | 5.1 | QFN32 4x4 | Compact |
| Low-Cost Series | |||||||
| OM70101DCB | --- | --- | --- | --- | Battery Gauge | Battery gauge chip, I2C interface | |
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