MCP8024 datasheet(28/46 Pages) MICROCHIP

28 / 46 page

MCP8024

DS20005228A-page 28

 2013 Microchip Technology Inc.

Undervoltage Lockout Enabled (Default)

Undervoltage Lockout Disabled

External MOSFET Overcurrent Detection Enabled (Default)

External MOSFET Overcurrent Detection Disabled

1:0 00

0.250V External MOSFET Overcurrent Limit (Default)

0.500V External MOSFET Overcurrent Limit

0.750V External MOSFET Overcurrent Limit

1.000V External MOSFET Overcurrent Limit

SET_CFG_1

00000011

(03H)

01000011

(43H)

Set DAC Motor Current Limit Reference Voltage Not Acknowledged

(Response)

Set DAC Motor Current Limit Reference Voltage Acknowledged (Response)

7:0 00H - FFH

Current DAC Current Reference value 13.77 mV / bit + 0.991V

GET_CFG_1

00000100

(04H)

01000100

(44H)

Get DAC Motor Current Limit Reference Voltage Not Acknowledged

(Response)

Get DAC Motor Current Limit Reference Voltage Acknowledged (Response)

7:0 00H - FFH

Current DAC Current Reference value 13.77 mV / bit + 0.991V

SET_CFG_2

00000111

(07H)

01000111

(47H)

Set Configuration Register 2 Not Acknowledged (Response)

Set Configuration Register 2 Acknowledged (Response)

7:4 00H

Unused (Default)

3:2 ---

Driver Dead Time (For PWMH /PWML inputs)

2 µs (Default)

1 µs

500 ns

250 ns

1:0 ---

Driver Blanking Time (Ignore Switching Current Spikes)

4 µs (Default)

2 µs

1 µs

500 ns

GET_CFG_2

00001000

(08H)

01001000

(48H)

Get Configuration Register 2 Response Not Acknowledged

(Response)

Get Configuration Register 2 Response Acknowledged (Response)

7:4 00H

Unused (Default)

3:2 ---

Driver Dead Time (For PWMH /PWML inputs)

2 µs (Default)

1 µs

500 ns

250 ns

1:0 ---

Driver Blanking Time (Ignore Switching Current Spikes)

4 µs (Default)

2 µs

1 µs

500 ns

TABLE 4-3:

DE2 COMMUNICATIONS MESSAGES FROM MCP8024 TO HOST (CONTINUED)

MESSAGE

BYTE BIT

VALUE

DESCRIPTION

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