SPC584G80C3 datasheet(65/139 Pages) STMICROELECTRONICS

65 / 139 page

DS11758 Rev 6

65/139

SPC584Gx, SPC58EGx, SPC58NGx

Electrical characteristics

4.15

Power management

The power management module monitors the different power supplies as well as it

generates the required internal supplies. The device can operate in the following

configurations:

4.15.1

Power management integration

Use the integration schemes provided below to ensure the proper device function,

according to the selected regulator configuration.

The internal regulators are supplied by VDD_HV_IO_MAIN supply and are used to generate

VDD_LV supply.

Place capacitances on the board as near as possible to the associated pins and limit the

serial inductance of the board to less than 5 nH.

It is recommended to use the internal regulators only to supply the device itself.

Table 33. Power management regulators

Device

External

regulator

Internal

SMPS

regulator

Internal

linear

regulator

external

ballast

Internal

linear

regulator

internal

ballast

Auxiliary

regulator

Clamp

regulator

Internal

standby

regulator(1)

SPC584Gx

SPC58EGx

SPC58NGx

——

—

X(2)

1. Standby regulator is automatically activated when the device enters standby mode. Standby mode is not supported if the

device operates in External regulator mode. Emulation Device calibration and trace features are not supported in standby

mode.

2. Emulation Device calibration and trace features are not supported in standby mode.

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