Active-semi PAC5222EVK1 Manuale d'uso - Pagina 6

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Power Input

Power to the PAC5222EVK1 evaluation module can be applied to the VIN and GND spade connectors.

Power to the PAC5222EVK1 evaluation module should not exceed 40V (Abs Max).

The PAC5222EVK1 is optimized to operate with voltages ranging from 14V to 24V Nominal (40V Abs Max).

When the VIN input voltage goes above 8V, the system exits UVLO protection and all subsystems, including

voltage regulators, analog front end and microcontroller, are enabled.

When an operational voltage is applied, LED D16 will light up. This is the LED which notifies VSYS (5V) rail is

up and running. VP (12V gate drive), 3.3V (for analog circuitry) and 1.2V (for CPU core) regulators will also be

operating at this point in time. Module is ready for use.

The following table shows the available LEDs and their associated diagnostic function.

LED

Description

D16

VSYS (5V). Light up when the PAC5222 device is successfully powered up by VIN.

VIN. Lights up as VIN voltage is applied.

Rev 1.0 August 2018