Status Leds D68 - D71, D73 - D75; Smarc Battery Support Signals; Table 9 Status Leds Description; Table 10 Jumper X52 Description - Congatec SMARC 2.0 conga-SEVAL User Manual

3.5

Status LEDs D68 - D71, D73 - D75

LEDs D68 - D71 indicate the status of the power rails on the conga-SEVAL. LEDs D73 - D75 indicate the voltage source for the SMARC module.
The description of the LEDs is shown in the table below:
Table 9 Status LEDs Description
LED Power State
D68 5 V standby voltage on conga-SEVAL
D69 3.3 V standby voltage on conga-SEVAL
D70 5 V runtime voltage on conga-SEVAL
D71 3.3 V runtime voltage on conga-SEVAL
D73 5 V supplied from conga-SEVAL 5 V DC/DC to SMARC module
D74 3.3 V supplied from conga-SEVAL 3.3 V DC/DC to SMARC module
D75 3.0 V – 5.25 V supplied via connectors M25 and M26 to SMARC module
3.6

SMARC Battery Support Signals

The conga-SEVAL provides SMARC battery support signals on connector CN3. Set jumper X52 to position 1-2 if a smart battery system is
connected to conga-SEVAL. This setting ensures the conga-SEVAL enables the necessary DC/DC voltage regulators.
Table 10 Jumper X52 Description
Pin Configuration
1-2 SBM3 present
2-3 SBM3 not present
Table 11 CN3 Description
Pin Signal
1 CHARGING#
2 CHARGER_PRSNT#
3 BATLOW#
4 GND
Copyright © 2017 congatec AG
D68
Jumper X52
1 2 3
CN3 - Battery Support
SEVALm10
D69 D70 D71 D73 D74 D75
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