Intelligent sensor QMS7926

Technical features:
 ● Advanced MEMS Bulk Silicon and CMOS compatible technology;
 ● Integrated MEMS, 32 bit ARM Cortex-M0 internal kernel, bluetooth;
 ● The MEMS sensor has high precision, high sensitivity, low power consumption and low cost;
 ● The enhanced MCU is high speed, low power and handles many peripheral functions;
 ● The MCU is internally integrated with RTC and Reset functions;
 ● High Bluetooth transceiver sensitivity and longer data transmission distance ;
 ● The Bluetooth supports Mesh networking, and can be applied conveniently;
 ● Small size, low power consumption and high performance-price ratio.

 

Product details:
 QMS7926 is specially developed for IoT, smart animal husbandry, smart hardware and wearable devices;
This product has the advantages of high functional integration, small size, low power consumption, high sensitivity, zero drift stability and integrated wireless transmission function.
 Package Size : 4*4*1.2mm3.  Integrate a 3-axis accelerometer, MCU and wireless bluetooth function.
 The MEMS sensor can be dynamically configured with multiple working modes, 32-level FIFO, and 14bit A/D converter, and output data rate is as high as 2000Hz.
 The MCU is integrated with 512KB Flash , 128KB ROM and138KB SRAM , supports IAP/ISP, RTC and resetting circuits, I2C, SPI, UART, ADC, PWM, CRC, etc.
 Bluetooth wireless transmits and receives at maximum 1Mbps, 2MHZ channel isolation, does not require any external RF power amplifier.
 MEMS sensor, MCU and bluetooth wireless are integrated in one chip QMS7926 to implement data collecting, processing and transmitting.
 It highly simplifies the application's circuit design, improves the system reliability and stability, and is highly suitable for the application in IoT and wearable smart terminal products.

 

FEATURES

BENEFIT

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4×4×1.2 mm3 BGA packaged 3-axis accelerometer, operating temperature range -40°C~+85°C

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High integration, small size, digital output with calibrated data

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14-digit A/D conversion, low noise accelerometer

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High precision, mobile and inclination detecting

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I2C interface with standard mode and fast mode

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High speed interface for fast data communication

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Built-in self-test function

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Low cost production package and test

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Large range operating voltage (1.8V~3.6V) and low power consumption (2~50uA)

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Suitable for application with battery power supply

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Pb free BGA package

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Environmental friendly and extensive application

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Software and algorithms supported.

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Flexible development and application

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ARM® Cortex™-M0 32-bit processor

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High performance and highly compatible MCU

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31 general I/O pin,I2C, SPI, UART, 14-bit ADC, I2S, PWM, etc.

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Rich peripheral functions for different applications

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  • 2.4GHz bluetooth, 2MHz channel isolation, 1Mbps, compliant to Bluetooth 5.0

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Low power consumption bluetooth, high transmission speed, long distance

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-20 ~ 10dBm transmit-receive power, -97dBm @ BLE 1Mbps

Data rate

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High power, high sensitivity, does not require any external amplifier

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Baseband integrated with CRC and data processing

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Simplified system design and programming for users

 

Application field:
 Wearable devices, game remote controllers, posture monitor devices; outdoor sports electronic devices, IoT intelligent terminals;
 smart homes, smart farms, and smart breeding fields.