OPTION_REG datasheet(38/222 Pages) MICROCHIP

Part #	OPTION_REG

Description	Digitally Enhanced Power Analog Controller with Integrated Synchronous Driver

PDF	222 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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38 / 222 page

MCP19111

DS22331A-page 38

 2013 Microchip Technology Inc.

6.3

Current Sense AC Gain

The current measured across the inductor is a square

wave that is averaged by the capacitor (CS) connected

between +ISEN and -ISEN. This very small voltage plus

the ripple can be amplified by the current sense AC

gain circuitry. The amount of gain is controlled by the

CSGSCON register.

CSGSCON: CURRENT SENSE AC GAIN CONTROL REGISTER

U-0

R/W-x

—

Reserved

CSGS3

CSGS2

CSGS1

CSGS0

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

Unimplemented: Read as ‘0’

bit 6-4

Reserved

bit 3-0

CSGS<3:0>: Current Sense AC Gain Setting bits

0000

= 0 dB

0001

= 1.0 dB

0010

= 2.5 dB

0011

= 4.0 dB

0100

= 5.5 dB

0101

= 7.0 dB

0110

= 8.5 dB

0111

= 10.0 dB

1000

= 11.5 dB

1001

= 13.0 dB

1010

= 14.5 dB

1011

= 16.0 dB

1100

= 17.5 dB

1101

= 19.0 dB

1110

= 20.5 dB

1111

= 22.0 dB

OPTION_REG Datasheet(PDF) 38 Page - Microchip Technology

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