昂瑞微OM6651A:國產車規級藍牙芯片的破局者
昂瑞微電子旗下OM6651A——第二顆車規級低功耗藍牙芯片,成功通過涵蓋機械應力、溫濕度循環等7大類共41項極限測試,斬獲賽寶實驗室頒發的AEC Q-100 Grade1認證(-40~125℃)。這顆采用3x2.7x0.5mm極薄LGA封裝的芯片,以超低功耗與越級穩定性突破國產車規級芯片性能邊界,確保在極寒、高溫等極端工況下依然穩定運行,重新定義車載無線連接的技術標桿。
OM6651A 是一款功率優化的片上系統(SOC)解決方案,適用于藍牙低功耗(Bluetooth Low Energy)和專有 2.4GHz 頻段應用場景。其核心集成特性如下:
集成高性能、低功耗的射頻(RF)收發器,同時包含藍牙基帶與豐富的外設 IO 擴展接口。
內置電源管理單元(PMU),可實現高效的電源管理,降低整體功耗。
性能標桿:搭載ARM Cortex M4內核(64MHz主頻),配備80KB SRAM+1MB Flash,其高性能射頻收發機可支持無線BMS大規模組網應用場景的超低延遲數據處理。
能效革命:峰值功耗僅4.2mA@0dBm(發射)/3.4mA@1Mbps(接收),在胎壓監測應用中可匹配輪胎全生命周期使用需求。-98dBm超高靈敏接收與8dBm強發射功率,確保復雜車載環境下的信號穿透力。
空間魔術:較傳統方案減薄約41.18%,以0.5mm超薄封裝通過嚴苛的AEC Q-100 Grade1認證測試,彰顯芯片可靠性設計的嚴謹性。
OM6651A性能特點如下:
射頻部分:
? -98dBm sensitivity @ 1Mbps GFSK
? TX Power -30 to +8dBm
? AGC (Auto Gain Control)
? RSSI (1dB Resolution)
MCU部分:
? ARM? Cortex?-M4, max 64MHz
? SWD interface
存儲空間
? EFUSE: 256-bit
? SRAM: 80KB
? Serial Flash: 1MB
? I-Cache RAM: 8KB
時鐘:
? 32MHz & 32.768kHz crystal oscillators
? 32MHz & 32.768kHz RC oscillators
無線鏈路:
? BT 5.4 LE PHY, link controller
? Proprietary 2.4-GHz link controller
電池管理單元
? Single power supply voltage: 1.71V ~ 3.6V
? 3.4mA peak current in RX
? 4.2mA peak current in TX (0dBm)
? 1.2uA in sleep mode (with 16K RAM retention, 32KHz RC)
? Integrated DCDC BUCK Converter
支持的協議
? Compatible with Bluetooth 5.4
? Supported data rates: 1Mbps, 2Mbps (BLE)
? Multiple configurable air data rate from 25Kbps to 2Mbps (2.4G)
? Supports mesh network
? Sample applications and profiles
? Supports OTA
外設接口
? Up to 15 General Purpose I/O pins
? 8 x DMA
? 2 x UART
? 1 x I2C interface (master only)
? 2 x SPI interface
? 1 x 16-bit Timer/Counter with 4 Compare/Capture/PWM channels
? 2 x 16-bit Timer/Counter with 4 Compare/PWM channels (These two timers can
combine to one 32-bit PWM timer)
? 1 x 32-bit Real Time Counter with 3 Compare channels
? 1 x 16-bit Low Energy Timer with 2 Compare/PWM channels
? 1 x Watchdog Timer
? 8 channels single-end 12-bit GPADC, up to 333.3ksps (precision and sample rate
can be configured)
安全與隱私
? AES HW encryption
? Support AES-256/AES-128 key
? HW Random Number Generator
封裝及工作溫度
? OM6651A: LGA 3mmx2.7mm
? AEC-Q100 Grade1
? -40 ℃ ~ +125 ℃
芯片引腳圖如下:
工程師必備
- 項目客服
- 培訓客服
- 平臺客服
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