昂瑞微OM6651A：国产车规级蓝牙芯片的破局者
昂瑞微电子旗下OM6651A——第二颗车规级低功耗蓝牙芯片，成功通过涵盖机械应力、温湿度循环等7大类共41项极限测试，斩获赛宝实验室颁发的AEC Q-100 Grade1认证（-40~125℃）。这颗采用3x2.7x0.5mm极薄LGA封装的芯片，以超低功耗与越级稳定性突破国产车规级芯片性能边界，确保在极寒、高温等极端工况下依然稳定运行，重新定义车载无线连接的技术标杆。OM6651A 是一款功率优化的片上系统（SOC）解决方案，适用于蓝牙低功耗（Bluetooth Low Energy）和专有 2.4GHz 频段应用场景。其核心集成特性如下：集成高性能、低功耗的射频（RF）收发器，同时包含蓝牙基带与丰富的外设 IO 扩展接口。内置电源管理单元（PMU），可实现高效的电源管理，降低整体功耗。性能标杆：搭载ARM Cortex M4内核（64MHz主频），配备80KB SRAM+1MB Flash，其高性能射频收发机可支持无线BMS大规模组网应用场景的超低延迟数据处理。能效革命：峰值功耗仅4.2mA@0dBm（发射）/3.4mA@1Mbps（接收），在胎压监测应用中可匹配轮胎全生命周期使用需求。-98dBm超高灵敏接收与8dBm强发射功率，确保复杂车载环境下的信号穿透力。空间魔术：较传统方案减薄约41.18%，以0.5mm超薄封装通过严苛的AEC Q-100 Grade1认证测试，彰显芯片可靠性设计的严谨性。OM6651A性能特点如下：射频部分：• -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存储空间• EFUSE: 256-bit• SRAM: 80KB• Serial Flash: 1MB• I-Cache RAM: 8KB时钟：• 32MHz & 32.768kHz crystal oscillators• 32MHz & 32.768kHz RC oscillators无线链路：• BT 5.4 LE PHY, link controller• Proprietary 2.4-GHz link controller电池管理单元• 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支持的协议• 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外设接口• 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)安全与隐私• AES HW encryption• Support AES-256/AES-128 key• HW Random Number Generator封装及工作温度• OM6651A: LGA 3mmx2.7mm• AEC-Q100 Grade1• -40 ℃ ~ +125 ℃芯片引脚图如下：不错的芯片，是否已成功用于胎压监测产品了？
页:
[1]