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Parameters
Device switched off by internal switch. It is still charging battery. Charging (of fully discharged) device:
- Voltage: 12,5V
- Current: 40mA –> 20mA
PCB
GT06-V01
Charger XL1509-ADJE1
http://www.xlsemi.com/datasheet/XL1509%20datasheet.pdf
- 2A 150KHz 40V Buck DC to DC Converter
- Output Adjustable from 1.23V to 37V
- Wide 4.5V to 40V Input Voltage Range
PIC 12F629
http://www.microchip.com/wwwproducts/en/PIC12F629
- 1.75 kB Flash
- 128 bytes of EEPROM data memory,
- Programmable pull-up resistors,
- 64 Bytes RAM
- 128 Bytes EEPROM
- Timers 1 x 8-bit, 1 x 16-bit
- 1 Comparator
- Operating Voltage Range (V) 2 to 5.5
- Pin Count 8
GPS MT3336N
GSM VC52780
VC52780 1552 A5M007
SoC MT6260DA
Mediatek MT6260DA 1319-AMAH