Som Current Sense Header J301 (35); Table 5. Battery Connector J300 Pinout - Intrinsyc Open-Q 845 mSOM User Manual

Open-Q™ 845 µSOM Development Kit User Guide
Function
BATTERY ID
3.7.3.3 DC Power Input Jack J400 (1)
For a DC powered Open-Q 845 µSOM Development Kit, the DC power input jack J400 (see location
in figure above) is used to connect to the include +12V DC power supply. The 845 carrier board
includes circuitry to convert the +12V input into different voltage rails that are needed by 845 µSOM
and carrier board peripherals.
3.7.3.4 Battery Connector J300 (3)
For a battery powered Open-Q 845 µSOM Development Kit, the battery connector J300 (see location
in figure above) is used for connection to the battery. The table below describes the pinout of the
battery connector. For more information on powering the development kit from a battery, including
selecting a battery pack, see reference document R-6.
Pin No
1 GND
2 GND
3 BATT_THERM_CONN
4 BATT_ID_CONN
5 VBATT_CONN
6 VBATT_CONN

3.7.4 SOM Current Sense Header J301 (35)

The SOM Current Sense header, J301, can be used to monitor the SOM's current consumption on the
main SOM_SYS_PWR power rail. A close up of the J301 (PWR PROBE) location is shown below.
© Copyright Intrinsyc Technologies Corporation
DIP Description
Switch
Informs the 845 µSOM whether a valid
S301-2 battery is connected. The setting is used as
input to enable or disable battery charging.

Table 5. Battery Connector J300 Pinout

Signal Description
System ground, Battery Negative Wire
System ground, Battery Negative Wire
10K Thermistor
ID Resistor (optional)
Battery Positive Wire
Battery Positive Wire
Version 1.0
Notes
For DC power dev kit, set switch to
closed / ON (default) to disable battery
charging.
For battery power dev kit, set switch to
open / OFF to enable battery charging.
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