AXP288D datasheet(55/110 Pages) XPOWER

55 / 110 page

AXP288

PMIC Optimized For Multi-Core High-Performance System

AXP288 Datasheet V1.06

Logic Table：

Table 9-42

REG84H[2]

Function

REG82H[0]

ADC Enable

REG84H[1:0]

Current

Work mode

IRQ

Note

IRQ when in

Charging

all IRQ work

10/11

IRQ all times

GPADC

TS function

disable

9.5 Multi-Power Outputs

BUCK1-6 are dual mode (PFM / PWM), by default is auto switch mode. All Buck and PWM charger are synchronized with

frequency of 3MHz (with spread spectrum option), hence small value external inductors and capacitors components can be

used.

All Buck and LDO have current limiting protection function. When the load current exceeds the current limit, the output

voltage will drop. Meanwhile, all of the Buck output voltage will be monitored. If the Buck output voltage is 15% lower than

the set value and BUCK 85% low voltage turn off PMIC function (REG 81H) is enabled, PMIC will automatically force a

shutdown and PWROK pin becomes low. Buck output voltage monitor de-bounce time setting is available at REG 8EH[7:6].

BUCK1-5 has DVM enable option. In DVM mode, when there is a change in the output voltage, BUCK will change to the

new targeted value step by step. If the application does not require use of any Buck, the LX pin can be left floating while VIN

and PGND need to be connected. PMIC will automatically detect this state to turn off the Buck.

Table 9-43

X-Powers

Intel

Input

Default Voltage

Max Current

Default State

Application

BUCK1

IPSOUT

1.0V

VCC

BUCK2

IPSOUT

1.0V

1.8A

V1P0SX (BYT),

VNN (CHT)

BUCK3

IPSOUT

1.0V

2.5A

V1P0/1P05/A/S

BUCK4

IPSOUT

1.5/1.36/1.24V

2.5A

VDDQ

BUCK5

(Dual Phase)

BUCK5

IPSOUT

1.0V

VNN (BYT),

VGG CHT)

BUCK6

IPSOUT

1.8V

3.3V(only for

1.5

V1P8A/S

V3P3A( only for

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