Thursday, September 25, 2014

Power Bank 5 V, 1.2 A Simple Circuit Schematic

Robotronicdiagram. - Here is simple electronic circuit schematic of power bank with output voltages 5 volt and output current 1.2 ampere. This circuit schematic very useful to charge your all gadget handphone or smartphone when its need supply directly.

Circuit Schematic

Figure 1. Power Bank 5 V, 1.2 A Circuit Schematic 

Component List
  1. R1 = 1K
  2. R2 = 100
  3. C1 = 100uF/25V
  4. D1 = IN4001
  5. D2 = Zenner Diode
  6. D3 = 2 colors LED
  7. IC = LM7805

Description  

Circuit schematic like in figure 1 above is Power Bank 5V, 1.2A that suitable for your handphone energy supply. According the original post from Albinus Andy Kurniawan from Posting Gue blog, describe that Once assembled and tested, it turns out this tool runs fine in all brands hp. Circuit output voltage of 5V with 7.2 V/1200mA sources. Can be used to charge batteries hp 4 times (Full Charging). For maximum results, chas 7.2 V batteries in parallel, the voltage of 8V for 12 hours. Total manufacturing costs: under $ 5. 

Weaknesses: If the current storage batteries run out, must be removed and discharged with the adapter. Can not be directly in chas with HP 5V adapter.


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