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Blood Glucose Monitor (BGM)

Overview

Description

Diabetes management is a critical aspect of global healthcare, with millions of individuals relying on accurate glucose monitoring to maintain their health. Blood glucose monitors (BGMs) are widely used for glucose monitoring due to their affordability, accessibility, and suitability for intermittent readings. They are especially preferred by individuals with Type 2 diabetes who manage their condition through lifestyle changes or oral medications rather than insulin therapy.

Renesas provides two BGM systems featuring multifunctional MCUs or SoCs with integrated analog front-end (AFE) or power management. These designs enable compact, cost-effective glucose monitoring with scalable features to address diverse application needs.

System Benefits:

  • Optional Bluetooth® Low Energy (LE) and/or NFC for seamless data transmission to mobile devices and healthcare systems, enhancing long-term tracking and health data logging.
  • Multifunctional MCUs and SoCs reduce the bill of materials (BOM), enabling smaller form factors and cost-effective solutions without compromising functionality.
  • Low-power system design extends operational time, minimizing battery replacements for improved user convenience.
  • Ultra-low power MCU with integrated AFE and drivers, optimized for glucose level readings in a single-chip solution.

Comparison

Applications

  • Glucose level monitoring
  • Diabetes management

Block Diagram

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Cost-Effective Bluetooth-Enabled BGM

WS080-1: WEB Connector Line.105 Connector Line.106 Connector Arrow.116 Connector Arrow.129 Connector Arrow Crystal.50 Sheet.51 Sheet.52 Sheet.53 Sheet.54 Sheet.55 Sheet.56 Sheet.57 Line.58 Line.59 Line.49 Crystal Sheet.31 Sheet.32 Sheet.33 Sheet.34 Sheet.35 Sheet.36 Sheet.37 Line.39 Line.40 NFC Coil NFC Coil NFC Coil NFC Coil Sheet.12 Transformer.324 Line.841 Line.842 Sheet.16 Inductor.300 Sheet.18 Sheet.19 Sheet.20 Line Line.22 Optional NFC Optional NFC Optional NFC Blood Glucose Test Strip Blood Glucose Test Strip Blood Glucose Test Strip 27.12MHz 27.12MHz 27.12MHz Antenna Sheet.43 Sheet.44 Sheet.45 Sheet.46 Sheet.47 32kHz 32kHz 32kHz LCD LCD LCD SPST NO Switch Sheet.63 Sheet.64 Sheet.65 Sheet.66 Sheet.67 Sheet.68 Battery 2-Cell Sheet.70 Sheet.71 Sheet.72 Sheet.73 Line 1pt.1552 Line 1pt.1608 Ground - Earth Sheet.77 Sheet.78 Sheet.79 Sheet.80 SPST NO Switch.82 Sheet.83 Sheet.84 Sheet.85 Sheet.86 Sheet.87 Sheet.88 SPST NO Switch.89 Sheet.90 Sheet.91 Sheet.92 Sheet.93 Sheet.94 Sheet.95 Connector Line Connector Line.97 3.6V, 50mAH Li-ion Coin Cell 3.6V, 50mAH Li-ion Coin Cell 3.6V, 50mAHLi-ion Coin Cell User Button User Button User Button User Button User Button User Button Power Switch Power Switch Power Switch Connected signals line Connected signals line.108 Line Arrow Connector Arrow.113 Connector Arrow.114 3.3V 3.3V 3.3V 3.6V 3.6V 3.6V Bi-directional Connected signals arrow.123 Connected signals arrow.124 WS080-1 WS080-1 WS080-1 Connected signals arrow Wake up from NFC Wake up from NFC Wake up from NFC Sheet.130 NFC Reader NFC Reader NFC Reader Osc. Osc. Osc. Vbat Vbat Vbat Vddio Vddio Vddio I2C I2C I2C IRQ IRQ IRQ GreenPAK GreenPAK GreenPAK Sheet.131 Bluetooth Low Energy Module Bluetooth Low Energy Module Bluetooth Low Energy Module I2C I2C I2C IRQ IRQ IRQ ADC ADC ADC RTC RTC RTC Buck-Boost Buck-Boost Buck-Boost GPIO GPIO GPIO GPIO GPIO GPIO SPI SPI SPI
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Performance BGM with Optional Bluetooth LE and NFC

WS080-2: WEB Connector Arrow Connector Arrow.216 Connector Line.105 Connector Line.106 Crystal.50 Sheet.51 Sheet.52 Sheet.53 Sheet.54 Sheet.55 Sheet.56 Sheet.57 Line.58 Line.59 Blood Glucose Test Strip Blood Glucose Test Strip Blood Glucose Test Strip 32kHz 32kHz 32kHz Non-Renesas Component.61 LCD LCD SPST NO Switch Sheet.63 Sheet.64 Sheet.65 Sheet.66 Sheet.67 Sheet.68 Battery 2-Cell Sheet.70 Sheet.71 Sheet.72 Sheet.73 Line 1pt.1552 Line 1pt.1608 Ground - Earth Sheet.77 Sheet.78 Sheet.79 Sheet.80 SPST NO Switch.82 Sheet.83 Sheet.84 Sheet.85 Sheet.86 Sheet.87 Sheet.88 SPST NO Switch.89 Sheet.90 Sheet.91 Sheet.92 Sheet.93 Sheet.94 Sheet.95 Connector Line Connector Line.97 3.6V, 50mAH Li-ion Coin Cell 3.6V, 50mAH Li-ion Coin Cell 3.6V, 50mAHLi-ion Coin Cell User Button User Button User Button User Button User Button User Button Power Switch Power Switch Power Switch Connected signals line.108 Connector Arrow.113 3.6V 3.6V 3.6V WS080-2 WS080-2 WS080-2 Crystal Sheet.132 Sheet.133 Sheet.134 Sheet.135 Sheet.136 Sheet.137 Sheet.138 Line.39 Line.40 NFC Coil NFC Coil NFC Coil NFC Coil Sheet.143 Transformer.324 Line.841 Line.842 Sheet.147 Inductor.300 Sheet.149 Sheet.150 Sheet.151 Line Line.22 27.12MHz 27.12MHz 27.12MHz Antenna.157 Sheet.158 Sheet.159 Sheet.160 Sheet.161 Sheet.162 Line.163 Connector Line.166 Connector 1.160 Bi-directional Connector dotted arrow.188 3.3V 3.3V 3.3V Connected signals arrow Bi-directional.194 Connector Arrow.195 Connected signals arrow.196 Connected signals arrow.197 Connector Arrow.203 Connector dotted arrow Connector 1.160.206 *The buck-boost regulator is needed when the Bluetooth LE module is not used. *The buck-boost regulator is needed when the Bluetooth LE mod... *The buck-boost regulator is needed when the Bluetooth LE module is not used. 3.3V 3.3V 3.3V Speaker speaker_8_ Sheet.211 Sheet.212 Sheet.213 Sheet.214 Optional Connectivity Optional Connectivity Optional Connectivity Sheet.218 Bluetooth Low Energy Module Bluetooth Low Energy Module Bluetooth Low Energy Module UART UART UART Buck-Boost Buck-Boost Buck-Boost Sheet.219 Peripheral.9 Osc. Osc. NFC Reader NFC Reader NFC Reader Osc. Osc. Osc. I2C I2C I2C Vbat Vbat Vbat Peripheral.24 Vddio Vddio IRQ IRQ IRQ Buck-Boost Regulator Buck-Boost Regulator Buck-Boost Regulator Sheet.220 MCU MCU MCU RTC RTC RTC GPIO GPIO GPIO GPIO GPIO GPIO I/V Conversion I/V Conversion I/V Conversion IRQ IRQ IRQ I2C I2C I2C UART UART UART LCD Driver LCD Driver LCD Driver Buzzer Control Buzzer Control Buzzer Control
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