APFCON datasheet(43/222 Pages) MICROCHIP

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DS22331A-page 43

MCP19111

6.8

MASTER Error Signal Gain

When operating in a multi-phase system, the output of

the MASTER’s error amplifier is used by all SLAVE

devices as their control signal. It is important to balance

the current in all phases to maintain a uniform

temperature across all phases. Component tolerances

make this balancing difficult. Each SLAVE device has

the ability to gain or attenuate the MASTER error signal

depending upon the settings of Register 6-8.

Note:

The SLVGNCON register is configured in

the multi-phase SLAVE device.

SLVGNCON: MASTER ERROR SIGNAL INPUT GAIN CONTROL REGISTER

U-0

R/W-x

—

SLVGN4

SLVGN3

SLVGN2

SLVGN1

SLVGN0

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 4-0

SLVGN<4:0>: MASTER Error Signal Gain bits

00000

= -3.3 dB

00001

= -3.1 dB

00010

= -2.9 dB

00011

= -2.7 dB

00100

= -2.5 dB

00101

= -2.3 dB

00110

= -2.1 dB

00111

= -1.9 dB

01000

= -1.7 dB

01001

= -1.4 dB

01010

= -1.2 dB

01011

= -1.0 dB

01100

= -0.8 dB

01101

= -0.6 dB

01110

= -0.4 dB

01111

= -0.2 dB

10000

= 0.0 dB

10001

= 0.2 dB

10010

= 0.4dB

10011

= 0.7 dB

10100

= 0.9 dB

10101

= 1.1 dB

10110

= 1.3 dB

10111

= 1.5 dB

11000

= 1.7 dB

11001

= 1.9 dB

11010

= 2.1 dB

11011

= 2.3 dB

11100

= 2.6 dB

11101

= 2.8 dB

11110

= 3.0 dB

11111

= 3.2 dB

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