Battery ChargeBy Prof. Hsia

type

type

Memory Effect

Lithium Iron Phosphate

3.2V3.3V170mAh/g3~5C20001

: increase current : Increase voltage19V Notebook battery , how to connect?19/3.7v=5.1,6x3.7=22.2VBuck19V22V2000mAh, x2=4000mAh (2,)

48V 15Ah ?https://www.youtube.com/watch?v=mM-jr4r3a0s

EV :PHEV :HEV:

1.2C-rate 2957 s13.2 Ah / 2957 s = 16.070A1.0 C-rate :

Driver: S=0PMOS PMOS DriverVgs increases, Id increases=

NMOS DriverVddPWMControlun=2.5 upNMOS driver is about double to PMOSSDGVgs=Vds, Id is max. =

BuckPower4.2~4.8VFor Li-battery

CVCCControl

Need Charge Chip

VddBuckControl

Charge IC design

Current Sensor

Wireless Charge

WPC Methods

W~KWW~KW>100mWKW10m>100m70%50%1.6%25%

Standardhttps://www.youtube.com/watch?v=DB_qNqziJPg

3C- USB

473%

>

>

RLC

QBWQfo

, Q

*

40KHz51.5V

Two Output

Chip

WPC for Cell-phone Qi 15W 30 60%

Nissan 100 161 S Model S 265 426 Enel Endesa 15 80% 50K

WPCWireless Power Consortium Qi Ikea Ikea