Acquired Electronics360

Consumer Electronics

Teardown: Fitbit Charge 2

24 February 2017

The Fitbit Charge 2 is a new fitness tracker that automatically tracks calories burned, distance traveled, heart rate, steps and sleep. It also includes a new feature that helps you return your breathing to normal after a workout.

Summary points:

Smart Watch - Time, Text and More

Heartrate Monitoring

Data Connection via Bluetooth 4.0

0.96", 128 x 72 Pixel Monochrome OLED

Target market: Mass Market

Released: Q32016

Pricing: $129.95 USD

Availability: Global

Total cost (direct materials and manufacturing): $21.23

Major Components:

  • $2.46 - Enclosure, Main, Center, Die-Cast Aluminum, Machined, Anodized, w/ 2 Metal Tabs - (Qty: 1)
  • $2.25 - 0.96" Diagonal, Monochrome OLED, 128 x 72, N/T, 1.1g, w/ Integral Flex PCB - MFG: RITDISPLAY CORPORATION - (Qty: 1)
  • $2.18 - MCU, 32-Bit, ARM Cortex-M4 Core - MFG: ST MICROELECTRONICS - MPN: STM32L485JE - (Qty: 1)
  • $1.81 - Wrist Band, 2-Shot Injection Molded TPE & Plastic - (Qty: 1)
  • $1.79 - Wrist Band, 2-Shot Injection Molded TPE & Plastic - (Qty: 1)
  • $0.75 - Charger Cable, USB Type A to Charger Port, 1.64ft, w/ 2 Pogo Type Pins & Plastic Sleeve - (Qty: 1)
  • $0.67 - Barometric Pressure Sensor, 260-1260hPa, Digital Output, I2C/SPI Interface - MFG: ST MICROELECTRONICS - MPN: LPS35HW - (Qty: 1)
  • $0.64 - Bluetooth, SoC, Bluetooth V4.0 LE, Integrated 32-Bit ARM Cortex-M0 Core MCU, 64KB Flash & 12KB RAM - MFG: ST MICROELECTRONICS - MPN: BLUENRGCSP - (Qty: 1)
  • $0.51 - TCXO, MEMS, 32.768kHz - MFG: SITIME CORP - MPN: SiT1552 - (Qty: 1)
  • $0.42 - Amplifier, Op Amp, 1.8V, 15MHz, Low Offset, Rail-to-Rail - MFG: MAXIM INTEGRATED PRODUCTS INC - MPN: MAX44260AYT+ - (Qty: 3)



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