ADP1046ACPZ-R7 datasheet(81/96 Pages) AD

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Data Sheet

ADP1046

Rev. 0 | Page 81 of 96

EXTENDED FUNCTIONS REGISTERS

Table 117. Register 0x75—Voltage Line Feedforward

Bits

Bit Name

R/W

Description

[7:4]

Reserved

R/W

Reserved.

Disable feedforward

during soft start

R/W

If voltage line feedforward is enabled, this bit disables it during the reference ramp-up (soft

start). This operation is gated by the filter GO bit (Register 0x7F[3]).

0 = feedforward enabled during soft start (recommended setting).

1 = feedforward disabled during soft start.

Feedforward enable

R/W

This bit enables the voltage line feedforward loop. This operation is gated by the filter GO bit

(Register 0x7F[3]).

0 = feedforward disabled.

1 = feedforward enabled.

These bits set the gain for the voltage feedforward function.

Bit 1

Bit 0

Gain

0.875

0.75

[1:0]

Gain setting

R/W

0.5

Table 118. Register 0x76—Volt-Second Balance Settings (OUTA and OUTB Pins)

Bits

Bit Name

R/W

Description

Modulate enable, t1

R/W

Setting this bit enables modulation from balance control on the OUTA rising edge, t1.

t1 sign

R/W

0 = positive sign. Increase of balance control modulation moves t1 right.

1 = negative sign. Increase of balance control modulation moves t1 left.

Modulate enable, t2

R/W

Setting this bit enables modulation from balance control on the OUTA falling edge, t2.

t2 sign

R/W

0 = positive sign. Increase of balance control modulation moves t2 right.

1 = negative sign. Increase of balance control modulation moves t2 left.

Modulate enable, t3

R/W

Setting this bit enables modulation from balance control on the OUTB rising edge, t3.

t3 sign

R/W

0 = positive sign. Increase of balance control modulation moves t3 right.

1 = negative sign. Increase of balance control modulation moves t3 left.

Modulate enable, t4

R/W

Setting this bit enables modulation from balance control on the OUTB falling edge, t4.

t4 sign

R/W

0 = positive sign. Increase of balance control modulation moves t4 right.

1 = negative sign. Increase of balance control modulation moves t4 left.

Table 119. Register 0x77—Volt-Second Balance Settings (OUTC and OUTD Pins)

Bits

Bit Name

R/W

Description

Modulate enable, t5

R/W

Setting this bit enables modulation from balance control on the OUTC rising edge, t5.

t5 sign

R/W

0 = positive sign. Increase of balance control modulation moves t5 right.

1 = negative sign. Increase of balance control modulation moves t5 left.

Modulate enable, t6

R/W

Setting this bit enables modulation from balance control on the OUTC falling edge, t6.

t6 sign

R/W

0 = positive sign. Increase of balance control modulation moves t6 right.

1 = negative sign. Increase of balance control modulation moves t6 left.

Modulate enable, t7

R/W

Setting this bit enables modulation from balance control on the OUTD rising edge, t7.

t7 sign

R/W

0 = positive sign. Increase of balance control modulation moves t7 right.

1 = negative sign. Increase of balance control modulation moves t7 left.

Modulate enable, t8

R/W

Setting this bit enables modulation from balance control on the OUTD falling edge, t8.

t8 sign

R/W

0 = positive sign. Increase of balance control modulation moves t8 right.

1 = negative sign. Increase of balance control modulation moves t8 left.

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