ConnectCore for i.MX51
©2011DigiInternational,Inc. 31
Power
Module Power Supplies
The following figure shows the power supply scheme of the ConnectCore for i.MX51 module.
Supply Inputs
The ConnectCore for i.MX51module has the following supply inputs:
Battery input (VLIO)
Charger input (VCHRG)
Coin Cell input (VCC_COINCELL)
Battery input (VLIO)
The VLIO supply is used to generate all the voltage supplies needed by the i.MX51 CPU and
the peripherals. The minimum voltage of VLIO (to allow the module to turn on) is +3.4V. The
maximum voltage of VLIO is +4.8V.
Charger input (VCHRG)
The battery charger supply is used to charge rechargeable batteries, as well as to power up
the module when there is no battery or the battery is discharged. The minimum voltage of
the battery charger is +3.4V. The maximum voltage of the battery charger is +20V.
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