MPM54313 datasheet(26/49 Pages) MPS

26 / 49 page

MPM54313

– 16V, TRIPLE 3A POWER MODULE WITH I2C

MPM54313 Rev. 1.0

MonolithicPower.com

5/7/2024

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

R/W

BUCK_C_EN

1’b1

Enables buck C’s output regulator.

1’b0: Disabled

1’b1: Enabled

RESERVED

N/A

Reserved.

R/W

PWM_BUCK_A

1’b0

Selects buck A

’s PWM mode (auto mode or forced PWM).

1’b0: Forced PWM

1’b1: Auto mode

R/W

PWM_BUCK_B

1’b0

Selects buck B’s PWM mode (auto mode or forced PWM).

1’b0: Forced PWM

1’b1: Auto mode

R/W

PWM_BUCK_C

1’b0

Selects buck C’s PWM mode (auto mode or forced PWM).

1’b0: Forced PWM

1’b1: Auto mode

RESERVED

N/A

Reserved.

PG_REG (0Dh)

Format: Unsigned binary

The PG_REG command sets buck A,

buck B, and buck C’s power good (PG) threshold.

Bits

Access

Bit Name

Default

Description

RESERVED

N/A

Reserved.

RESERVED

N/A

Reserved.

RESERVED

N/A

Reserved.

RESERVED

N/A

Reserved.

R/W

PG_%_BUCK_A

1’b0

Set’s buck A’s PG threshold.

1’b0: 5%

1’b1: 7%

R/W

PG_%_BUCK_B

1’b0

Set’s buck B’s PG threshold.

1’b0: 5%

1’b1: 7%

R/W

PG_%_BUCK_C

1’b0

Set’s buck C’s PG threshold.

1’b0: 5%

1’b1: 7%

RESERVED

N/A

Reserved.

DISCHARGE_R_REG (0Eh)

Format: Unsigned binary

The DISCHARGE_R_REG command sets

each buck’s auto-discharge mode and discharge resistance.

Bits

Access

Bit Name

Default

Description

R/W

AUTODIS_1

1’b0

Sets auto-discharge mode for buck A.

1’b 0: No discharge

1’b 1: Discharge

R/W

AUTODIS_2

1’b0

Sets auto-discharge mode for buck B.

1’b 0: No Discharge

1’b 1: Discharge

MPM54313 Datasheet(PDF) 26 Page - Monolithic Power Systems

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