MP6546GL datasheet(16/24 Pages) MPS

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MP6546

– 22V, 3A PEAK, 3-PHASE BLDC DRIVER WITH 1MHZ I2C INTERFACE

MP6546 Rev. 1.0

MonolithicPower.com

3/20/2023

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

CONTROL1 (00h)

The CONTROL1 command configures some basic settings.

Bits

Name

Description

OCP_EN

0: Disable over-current protection

1: Enable over-current protection

SCP_EN

0: Disable short-circuit protection

1: Enable short-circuit protection

STDBY_EN

0: Disable standby mode

1: Enable standby mode

12:11

ADDR[1:0]

00: The slave address is set by the ADDR pin

01: The slave address is 0x07h

10: The slave address is 0x08h

11: The slave address is 0x09h

OCP_SEL

1: The over-current protection threshold is 2.25A

0: The over-current protection threshold is 3A

AMOD

0: Magnetic hall sensor with SPI interface

1: Linear Hall sensor with HA/HB interface

THETA_DIR

0: Theta direction is consistent to the sensor

1: Theta direction is opposite to the sensor

OVP_EN

0: Disable over-voltage protection

1: Enable over-voltage protection

6:5

FLT_N_SVM[1:0]

Sets the bandwidth frequency (fC) for SVPWM.

1: 600Hz

2: 300Hz

3: 150Hz

4: 75Hz

DRV_MOD

0: Vector control mode

1: Duty control mode

SPI_3

0: 4-wire SPI

1: 3-wire SPI (SSC)

2:0

FLT_N[2:0]

Sets the bandwidth frequency (fC) for ANGLE[14:0].

0: The filter does not work

1: 600Hz

2: 300Hz

3: 150Hz

4: 75Hz

5: 37Hz

6: 18Hz

7: 9Hz

ADC_BIAS (01h)

The ADC_BIAS command configures the voltage input bias in linear Hall mode.

Bits

Name

Description

15:8

VA_BIAS[7:0]

Set the Hall input A bias.

7:0

VB_BIAS[7:0]

Set the Hall input B bias.

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