CS5463-IS 查看數據表（PDF） - Cirrus Logic

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CS5463-IS

Single Phase, Bi-directional Power/Energy IC

Cirrus Logic 

CS5463

6.1.17 Reactive Power Register ( QTrig )

Address: 24

MSB

LSB

0

2-1

2-2

2-3

2-4

2-5

2-6

2-7

..... 2-17 2-18 2-19 2-20 2-21 2-22 2-23

The Reactive Power (QTrig) is calculated using trigonometric identities. (See Section 4.3 Power Measurements

on page 14). The value is represented in unsigned notation and in the range of 0 ≤ S < 1.0, with the binary point

to the right of the MSB.

6.1.18 Power Factor Register ( PF )

Address: 25

MSB

LSB

-(20) 2-1

2-2

2-3

2-4

2-5

2-6

2-7

..... 2-17 2-18 2-19 2-20 2-21 2-22 2-23

Power Factor is calculated by dividing the Active (Real) Power by Apparent Power. The value is represented in

two's complement notation and in the range of -1.0 ≤ PF < 1.0, with the binary point to the right of the MSB.

6.1.19 Apparent Power Register ( S )

Address: 27

MSB

LSB

0

2-1

2-2

2-3

2-4

2-5

2-6

2-7

..... 2-17 2-18 2-19 2-20 2-21 2-22 2-23

Apparent power (S) is the product of the VRMS and IRMS, The value is represented in unsigned notation and in

the range of 0 ≤ S < 1.0, with the binary point to the right of the MSB.

32

DS678F2

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