MCP8026 datasheet(45/64 Pages) MICROCHIP

Part #	MCP8026

Description	3-Phase Brushless DC (BLDC) Motor Gate Driver with Power Module, Sleep Mode, and LIN Transceiver

PDF	64 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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45 / 64 page

 2016 Microchip Technology Inc.

DS20005339B-page 45

MCP8025/6

CFG1: CONFIGURATION REGISTER 1

R/W-0

R/W-1

R/W-0

DACREF7

DACREF6

DACREF5

DACREF4

DACREF3

DACREF2

DACREF1

DACREF0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-0

DACREF<7:0>:

DAC Current Reference Value

(4.503V – 0.991V)/255 = 13.77 mV/bit

00H = 0.991V

40H = 1.872V (40H x 0.1377 mV/bit + 0.991V)

FFH = 4.503V (FFH x 0.1377 mV/bit + 0.991V)

CFG2: CONFIGURATION REGISTER 2

U-0

R/W-0

—

DRVDT2

DRVDT1

DRVDT0

DRVBL1

DRVBL0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-5

Unimplemented:

Read as ‘0’

bit 4-2

DRVDT<2:0>:

Driver Dead Time Selection bits

000

= 2000 ns

001

= 1750 ns

010

= 1500 ns

011

= 1250 ns

100

= 1000 ns

101

= 750 ns

110

= 500 ns

111

= 250 ns

bit 1-0

DRVB<1:0>:

Driver Blanking Time Selection bits

= 4000 ns

= 2000 ns

= 1000 ns

= 500 ns

MCP8026 Datasheet(PDF) 45 Page - Microchip Technology

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