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SIM300 continuously restarting ..
I connect SIM300D using serial port to the PC
The output on the terminal shown below.
RDY
+CFUN: 1
+CPIN: READY
Call Ready
RDY
+CFUN: 1
+CPIN: READY
Call Ready
RDY
+CFUN: 1
+CPIN: READY
Call Ready
RDY
+CFUN: 1
+CPIN: READY
This output is logged on...
Re: Power Supply (including backup battery) for Tracker Syst
LTC4412 Power path management IC,
TPS54260 Buck Regulator,
Now i need a Charger IC that can be charge LIPO 2CELLS pack rated at 7.4output voltages and 600mAh??
suggest an IC suitable for automotive application (and low cost solution...
Re: Power Supply (including backup battery) for Tracker Syst
This is the circuit.
**broken link removed**
only the power supply section remains.
Need assistance,
Circuit will operate on 4.2V and 2.5 A,
Power supply sources:
- 12Volt car battery,
- And a backup battery if main car battery is...
Re: Power Supply (including backup battery) for Tracker Syst
I need a simple solution. With minimum component count.
I am considering this bq24105
**broken link removed**
Waiting for more suggestions from your side.
My requirement are:
1. Volts: 4.2, Max current 2A, for SIM300, GPS-M90, some relays and other circuitry
2. Volts: 3.3, for SD Memory card, current consumption is minimum
Circuit will take power from Car battery (12V), I need another backup battery in case of main battery cutoff, circuit will...
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