Smartwatch Battery Management Solution Reference Design

(ACTIVE) TIDA-00712

Description & Features

Technical Documents

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Key Document

Description

The TI design TIDA-00712 is a reference design for Smartwatch BMS (Battery Management Solution); It’s suitable for low power wearable devices like smartwatch applications. The design includes an ultra-low current 1 cell Li-ion linear charger; a highly integrated Qi-compliant wireless power receiver; a cost-effective voltage and current protection Integrated Circuit; a system-side(tm) with integrated sense resistor battery fuel gauge; and a booster with output up to 28V for LCD kinds of display devices.

The design is implemented in a small size (20mm x 29mm) PCB; its input power can be either from a Micro-USB connector or Qi-compliant wireless power transmitter; and the wireless power transmitter will be turned off whenever 5V power supply from Micro-USB connector is detected.

Features
  • Charger with Buck and LDO output programmable for system
  • Manual reset timer output for system reset
  • Wireless Receiver with 93% efficiency optimized (only one IC required)
  • WPC (Wireless Power Consortium) V1.1 compatible in size of 1.9mm x 3.0mm
  • Fuel gauge with Impedance Track Gas Gauging and virtually plug-n-play.
  • Battery Protection IC is the most cost-effective solution for full protection of both voltage and current, charging and discharging.

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BQ25120  700nA Low Iq Highly Integrated Battery Charge Management Solution for Wearables and IoT  Battery Management Products  Sample & Buy View Design Kits & Evaluation Modules
BQ25120A  700nA Low Iq Highly Integrated Battery Charge Management Solution  Battery Management Products  Sample & Buy View Design Kits & Evaluation Modules
BQ27421-G1  System-Side(tm) Fuel Gauge With Integrated Sense Resistor | Battery Gas Gauge  Battery Management Products  Sample & Buy View Design Kits & Evaluation Modules
BQ2970  Li-Ion/Li Polymer Advanced Single-Cell Battery Protector IC Family  Battery Management Products  Sample & Buy View Design Kits & Evaluation Modules
BQ51003  BQ51003 Wireless Power Receiver   Battery Management Products  Sample & Buy Not Available
CSD75208W1015  CSD75208W1015, Dual Common Source 20-V P-Channel NexFET™ Power MOSFETs  Power MOSFET  Sample & Buy Not Available
CSD83325L  CSD83325L, Dual N-Channel NexFET™ Power MOSFETs   Power MOSFET  Sample & Buy Not Available
TPS61046  28-V Output Voltage Boost Converter in WCSP Package  Step-Up (Boost)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1494 09 Nov 2015 1,894
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 307 24 Nov 2015 799
ZIP 572 24 Nov 2015 130
PDF 225 24 Nov 2015 83
PDF 126 24 Nov 2015 61
PDF 128 24 Nov 2015 111
PDF 42 24 Nov 2015 1,086


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