ADP1055ACPZ-R7 datasheet(118/140 Pages) AD

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ADP1055

Data Sheet

Rev. A | Page 118 of 140

[2:0]

CC mode thresholds

R/W

Percentage above or below OCP limit (IOUT_OC_FAULT_LIMIT)

00 = 0%

001 = 3.125%

010 = 6.25%

011 = 12.5%

100 = 25%

101 = 50%

11x = 100%

The NL_ERR_GAIN_FACTOR register applies nonlinear gain. Bits[7:6] apply nonlinear gain to the ±1% to 2% range, where the total

ADC range is 5% of 1 V, that is, ±50 mV. Bits[5:4] apply nonlinear gain to the ±2% to 3.2% range, where the total ADC range is 5% of 1 V,

that is, ±50 mV. Bits[3:2] apply nonlinear gain to the ±3.2% to 3.9% range, where the total ADC range is 5% of 1 V, that is, ±50 mV.

Bits[1:0] apply nonlinear gain to the ±3.9% and greater range, where the total ADC range is 5% of 1 V, that is, ±50 mV.

Table 206. Register 0xFE5E—NL_ERR_GAIN_FACTOR (Requires Use of the GO Bit in Register 0xFE00)

Bits

Bit Name

R/W

Description

[7:6]

Nonlinear gain,

1% to 2% range

R/W

Bit 7

Bit 6

Gain

1× gain

2× gain or 1.25× (see Register 0xFE29[0])

4× gain or 1.5× (see Register 0xFE29[0])

8× gain or 2× (see Register 0xFE29[0])

[5:4]

Nonlinear gain,

2% to 3.2% range

R/W

Bit 5

Bit 4

Gain

1× gain

2× gain or 1.25× (see Register 0xFE29[0])

4× gain or 1.5× (see Register 0xFE29[0])

8× gain or 2× (see Register 0xFE29[0])

[3:2]

Nonlinear gain,

3.2% to 3.9% range

R/W

Bit 3

Bit 2

Gain

1× gain

2× gain or 1.25× (see Register 0xFE29[0])

4× gain or 1.5× (see Register 0xFE29[0])

8× gain or 2× (see Register 0xFE29[0])

[1:0]

Nonlinear gain,

3.9% or greater range

R/W

Bit 1

Bit 0

Gain

1× gain

2× gain or 1.25× (see Register 0xFE29[0])

4× gain or 1.5× (see Register 0xFE29[0])

8× gain or 2× (see Register 0xFE29[0])

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