circuit for charghing mobile BY only 1.5 V

[Z A H R A .GH]

hi .
i hope , have a good time .

:?: i really need , circuit of " emergency charger for mobile " and special IC in this .

THIS ;https://www.made-in-china.com/showr...S/Sell-Emergency-Mobile-Charger-WT-E007-.html

if you can help me , i'm very very thank you .

be happy .

 

[GelecG]

Hi Z A H R A .GH,

the circuit indicate in 6 staps.

https://www.instructables.com/id/Portable-USB-Charger-Version-2.0/?comments=all

 

[Z A H R A .GH]

Hi again . .

very very thank you .

but this circuit INPUT is ; 7 -22 DC V
i want chager with INPUT only 1.5 V .
and i know that have special IC in circuit .

be happy .

 

[GelecG]

I see
sorry about voltage.LOL
But the input is 5 V from usb port.

and for 1.5 V
The Boost circuits is good for this target.(flyback is good and cheap)
I will test the value of components and tell you.

 

[GelecG]

Hi Z A H R A .GH,

I've found an ic.
MAX1674.And sorry for late.
**broken link removed**