Looking for a circuit diagram of a 12V LED emergency lamp

[ricky007]

Hello friends
need help ... i need tested circuit diagram for 12v led emergency lamp (circuit without using transformers and with min 1-3 hrs working level )
urgent if any have please post .
thank you........

 

[dindeds]

led emergency lamp circuit

What kind of 12V battery you intend to use - is it SLA type ?

 

[ricky007]

emergency lamp circuit diagram

hi friends im using SLA type battery please post circuit diagram please
thank you...

 

[mvs sarma]

led lamp circuit diagram

hi friends im using SLA type battery please post circuit diagram please
thank you...

If you can change over to 6V battery, please see the microchip application note AN1047. the same is attached here along with hex and source code.
for 12V you need to carefully mod it. the design should work for longer than 3 hours, once fully charged.
Sarma

 

[ricky007]

circuit diagram for emergency lamp

hi friends please post led emergency lamp tested circuit diagram