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CPAP Battery, need Charge management circuitry, low static power consumption

15 Jul 2016 - CPAP Battery,Charge management circuitry

CPAP Battery, need Charge management circuitry, low static power consumption

IMG_8641.JPG

Model: EW-015PB-A00  3S8A

Design a charge management circuitry: Charge voltage: DC 15V, Charge current: 2.2A±0.01, with LED power gauge.

Design a low static power consumption: IC: MAX1870Seee, static power consumption before activation 4.0-4.5UA, after activation 70-95UA, short current protection, 

Over discharge detection voltage: 2.8±0.05v

Over discharge release voltage: 3.3±0.05vNominal discharge current: max.8A

 

Over current detection current: 12±1A