Difference: HubDynamoCharger (3 vs. 4)

Revision 42022-01-24 - PeterSchmid

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META TOPICPARENT name="WebHome"

Hub Dynamo Charger

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DC-DC Converter 3.7 V (Battery) to 5.0 V (USB Out)

Added:
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  • mEZD41502A-A
 
  • 2.7 V - 4.2 V Input, 2 A, 5V Output, Step-Up Power Supply
  • Mouser # 946-MEZD41502A-A $15

DC-DC Converter 7 V (Rectified Dynamo Voltage) to 5 V (Charger, Feather Board)

Deleted:
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<
  • 6.5 - 35 V Input, 5 V / 1 A Output
 
  • TRACO POWER TSR 1-2450
Added:
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>
    • 6.5 - 35 V Input, 5 V / 1 A Output
 
Added:
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  • DF005S - DF10S Bridge Rectifier 1.5 A
  • 470 uF / 35 V
  • Transient voltage suppressor 24 V, peak pulse 600 W, SMBJ24A
 

Pressure (Altitude) Sensor

Line: 83 to 89
 
Added:
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Measurement

Voltage

  • Dynamo voltage: 4 to 25 V
  • Battery voltage: 2.5 to 4.2 V

Current

  • Mouser # INA180A3, gain 100
  • USB out current: Shunt 10 mOhm -> 2 A -> 2 V
  • Battery charge current: Shunt 50 mOhm -> 0.5 A -> 2.5 V
 -- Peter Schmid - 2022-01-21

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