ADP1050ACPZ-R7 datasheet(92/93 Pages) AD

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Data Sheet

ADP1050

MANUFACTURER SPECIFIC VALUE READING REGISTERS

Table 166. Register 0xFEA7—CS1 Value

Bits

Bit Name/Function

R/W

Description

[15:4]

CS1 current value

This register contains 12-bit CS1 current information. The range of the CS1 input pin is from 0 V

to 1.6 V. Each LSB corresponds to 390.625 μV. At 0 V input, the value in this register is 0 decimal.

The nominal voltage at the CS1 pin is 1 V.

At 1 V input, the value of these bits is 0xA00 (2560 decimal).

The reading is equivalent to the READ_IIN command.

[3:0]

Reserved

Reserved.

Table 167. Register 0xFEA9—CS3 Value

Bits

Bit Name/Function

Type

Description

[15:4]

CS3 voltage value

This register contains 12-bit CS3 current information calculated by using the CS1 reading and

duty cycle information. Each LSB corresponds to 4× the CS1 LSB in Register 0xFEA7, multiplied

by the turns ratio of the main transformer, n (n = NPRI/NSEC).

[3:0]

Reserved

Reserved.

Table 168. Register 0xFEAA—VS Value

Bits

Bit Name/Function

R/W

Description

[15:4]

VS voltage value

This register contains the 12-bit VS± output voltage information. The range of the VS± input

pins is from 0 V to 1.6 V. Each LSB corresponds to 390.625 μV.

At 0 V input, the value in this register is 0. The nominal voltage at the VS+ and VS− pins is 1 V.

At 1 V input, the value of these bits is 0xA00 (2560 decimal).

The reading is equivalent to the READ_VOUT command.

[3:0]

Reserved

Reserved.

Table 169. Register 0xFEAB—RTD Value

Bits

Bit Name/Function

R/W

Description

[15:4]

RTD temperature value

These bits contain the 12-bit RTD temperature information, as determined from the RTD pin.

The range of the RTD input pin is from 0 V to 1.6 V. Each LSB corresponds to 390.625 μV.

At 0 V input, the value in this register is 0. The nominal voltage at the RTD pin is 1 V.

At 1 V input, the value of these bits is 0xA00 (2560 decimal).

[3:0]

Reserved

Reserved.

Table 170. Register 0xFEAC—VF Value

Bits

Bit Name/Function

R/W

Description

[15:5]

VF voltage value

This register contains the 11-bit VF voltage information. The range of the VF input pin is from 0 V

to 1.6 V. Each LSB corresponds to 781.25 μV.

At 0 V input, the value in this register is 0. The nominal voltage at the VF pin is 1 V.

At 1 V input, the value of these bits is 0x500 (1280 decimal).

The reading is equivalent to the READ_VIN command.

[4:0]

Reserved

Reserved.

Table 171. Register 0xFEAD—Duty Cycle Value

Bits

Bit Name/Function

R/W

Description

[15:12]

Reserved

Reserved.

[11:0]

Duty cycle value

This register contains the 12-bit duty cycle information. Each LSB corresponds to 0.0244% duty

cycle. At 100% duty cycle, the value of these bits is 0xFFF (4095 decimal).

Table 172. Register 0xFEAE—Input Power Value

Bits

Bit Name/Function

R/W

Description

[15:0]

Input power value

This register contains the 16-bit input power information. This value is the product of the input

voltage value (VF) and input current value (CS1). The product of two 12-bit values is a 24-bit

value, and the eight LSBs are discarded.

Rev. A | Page 91 of 92

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