Optical Heart Rate Monitor Reference Design with BLE Connectivity
TIDA-00011
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Description
This reference design is for a complete Optical Heart Rate Monitor wrist watch (no chest strap!) end equipment featuring TI signal chain, power, and connectivity components. With TI's AFE4400 AFE, you can accelerate and simplify your wrist based HRM design while still ensuring measurement performance needed for serious Fitness designs. This reference design also includes a full BLE connectivity design for easy interface to BLE enabled smartphones, tablets, etc.
Features
- Features AFE4400 for measuring pulse from veins in wrists
- MSP430F5528 MCU for holding algorithm and motion cancellation calibration data
- BLE module connection featuring TI's CC2541
- This design is tested and provides everything you need to complete your design including Schematics, Layout and Gerber files, and BOM
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Schematic/Block Diagram
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Test Data
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TI Devices (8)
Order samples, get tools and find more information on the TI products in this reference design.
| Sample & Buy |
Design Kits & Evaluation Modules |
| AFE4400 |
Integrated Analog Front End (AFE) for Heart-Rate Monitors and Low-Cost Pulse Oximeters |
Medical AFEs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| BQ24072 |
USB-Friendly Li-Ion Battery Charger and Power-Path Management IC, Vout 200mV above Vbat | Linear |
Battery management |
Sample & Buy |
View Design Kits & Evaluation Modules |
| BQ27425-G1 |
System-Side Impedance Track™ Fuel Gauge With Direct Battery Connection | Gas Gauge Battery |
Battery management |
Not Available |
Not Available |
| CC2541 |
Bluetooth low energy and proprietary wireless MCU |
SimpleLink Solutions |
Sample & Buy |
View Design Kits & Evaluation Modules |
| MSP430F5528 |
25 MHz MCU with Integrated USB Phy, 128KB Flash, 8KB RAM, 12Bit/10 Channel ADC, 32BIT HW Multiplier |
Microcontrollers (MCU) |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPS61093 |
Low Input, 20V/1.1A Step-Up DC/DC Converter with Integrated Power Diode and Input/Output Isolation |
Step-up (boost) |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPS736 |
Single Output LDO, 400mA, Adj.(1.2 to 5.5V), Cap free, Low Noise, Reverse Current Protection |
Power management |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPS7A49 |
Wide VIN, 150-mA, ultra-low-noise, high-PSRR low-dropout (LDO) linear regulator |
Power management |
Sample & Buy |
View Design Kits & Evaluation Modules |
CAD/CAE symbols
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at http://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.
Technical Documents
See the Important Notice and Disclaimer covering reference designs and other TI resources.
User guides (1)
| Title | Type | Size (KB) | Date |
| | PDF | 1476 |
28 Aug 2013
|
Design files (4)
| | PDF | 70 |
17 Jul 2014
|
| | PDF | 223 |
17 Jul 2014
|
| | ZIP | 3708 |
28 Aug 2013
|
| | PDF | 123 |
28 Aug 2013
|
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