PIFE32251B-R68MS datasheet(52/157 Pages) TI1

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TPS650830

SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016

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Detailed Description

6.3

Feature Description

6.3.1

Voltage Regulator Assignment and Powergood Comparator Logic Assignment

(External Voltage Regulator or Load Switch) for Skylake and Kabylake Platform

For the Skylake and Kabylake Power Map implementation, the five PMIC voltage regulators and LDO1 are

assigned with the low -voltage rails merged or split according to the configuration. For the Volume

(merged low voltage rails) configuration six external load switches are controlled and monitored by using

six powergood comparator logic blocs.

Table 6-1. Voltage Regulator and Powergood Comparator Logic Assignment for Skylake and Kabylake

Platforms

TPS650830

Skylake and Kabylake PLATFORM POWER

SYSTEM VOLTAGE RAIL

VOLUME (Merged Low Voltage Rails)

OUTPUT

VOLTAGE, Vout

DEFAULT, or

COMPARATOR

INPUT

SWITCHING

FREQUENCY,

Fsw

NVDC# = 1 / 0

LPM

VOLTAGE,

Vout

DEFAULT

POWER

GOOD

OUTPUT

SETTING,

(PGVRx or

PGx is PP or

OD)

VR1

V1.00A / V0.85A

1.00 V

500 kHz / 800

kHz

LPM = 1.00 V

VR2

V1.8A

1.8 V

2 MHz / 2 MHz

LPM = 1.8 V

VR3

V3.3A_DSW

3.3 V

800 kHz / 800

kHz

LPM = 3.3 V

VR4

V1.2U

1.2 V,1.35 V,1.1

500 kHz / 800

kHz

LPM = 1.2

V,1.35 V,1.1

VR5

V5A_DS3

5 V

800 kHz / 800

kHz

LPM = 5.0 V

LDO1

V0.6Dx

0.6 V, 0.675 V,

0.55 V

LPM =

DDR_VTT_C

TRL = Off

External

VR_a

none

External

VR_b

none

Powergood

Comparator

Logic a

V3.3A_PCH Enable/Sense External Load Switch

3.3 V,

Comparator

Analog Input

–

Powergood

Comparator

Logic b

V1.8U_2.5U Enable/Sense External Load Switch

1.8 V,

Comparator

Analog Input

–

Powergood

Comparator

Logic c

Generic Comparator

–

Powergood

Comparator

Logic d

VCCIO Enable/Sense External Load Switch

1.00 V,

Comparator

Analog Input

–

Powergood

Comparator

Logic e

V3.3S Sense External Load Switch

3.3 V,

Comparator

Analog Input

–

Powergood

Comparator

Logic f

V1.8S Sense External Load Switch

1.8 V,

Comparator

Analog Input

–

Powergood

Comparator

Logic g

V1.0S Sense External Load Switch

1.00 V,

Comparator

Analog Input

–

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