SLUA748A December   2015  – April 2016 BQ25120 , BQ51003 , TPS61046 , TPS61240 , TPS62743

 

  1.   Trademarks
  2.   Power Management Reference Design for a Wearable Device with Wireless Charging Using the bq51003 and bq25120
    1. 1 Wearable Power Design
      1. 1.1 Wireless Charging Input
      2. 1.2 Battery Charger, MCU, Radio, and Sensor Power
      3. 1.3 Second Buck Output for MCU, Radio or Sensor
    2. 2 PMOLED Display Power Design
    3. 3 Heart Rate Monitor or e-Ink Power Design
    4. 4 Layout Guidelines for Wearable Design
      1. 4.1 Wireless Receiver (bq51003)
      2. 4.2 Linear Charger (bq25120)
      3. 4.3 Buck Converter (TPS62743/6)
      4. 4.4 Boost Converters (TPS61046 and TPS61240)
      5. 4.5 General Considerations
    5. 5 References
  3. AExperimental Results
    1. A.1 Experimental Results
  4.   Revision History

5 References

bq25120 700-nA Low IQ Highly Integrated Battery Charge Management Solution (SLUSBZ9)

bq51003 Highly Integrated Wireless Receiver Qi (WPC v1.1) Compliant Power Supply (SLUSBC8)

Adapting Qi-compliant wireless-power solutions to low-power wearable products (SLYT570)

TPS62743 Tiny Ultra Low Quiescent Current Buck Converter (SLVSCQ0)

TPS62746 High Efficiency Buck Converter with Ultra-low Quiescent Current and VIN Switch (SLVSD28)

Accurately measuring efficiency of ultralow-IQ devices (SLYT558)

High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions (SLYT531)

TPS61046 28-V Output Voltage Boost Converter in WCSP Package (SLVSCQ7)

TPS6124x 90% Efficient Boost Converter with 800mA Switch (SLVS806)

PMP9775

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