AVS Power (Adaptive Voltage Scaling)

Name: AVS Power (Adaptive Voltage Scaling)
Brand: Huawei

Point-of-load AVS modules with vBOOT-pin or PMBus voltage adjustment for CPU/GPU core rails.

Input

9–14 Vdc

Output

0.5–1.2 Vdc adjustable

Current

up to N×50 A

Size

27.0×18.0×4.0 mm

Authorised distribution

Designed and manufactured by Huawei — Yueyang is an authorised distributor, not the designer or manufacturer.

Product Features

vBOOT-pin or PMBus digital voltage adjustment

Scales from N=6 to N=16 paralleled power-stage modules

88.0% efficiency (TA=25°C, Vin=12V, Vout=1.0V, Iout=300A)

CPU / GPU core-voltage rails

AI accelerator boards

Electrical specifications

Input voltage9–14 Vdc

Output voltage0.5–1.2 Vdc (vBOOT/PMBus adjustable)

Efficiency88.0% (TA=25°C, Vin=12V, Vout=1.0V, Iout=300A)

Product Model List

AVS Power (Adaptive Voltage Scaling) — catalogued part numbers and key parameters
Part number	Input	Output	Output current	Dimensions
NDD12S55-P1	9–14 Vdc	0.5–1.2 Vdc (vBOOT/PMBus)	N×50 A	27.0×18.0×4.0 mm
NDD12S55-C1	9–14 Vdc	5 Vdc aux	N=6/8/10/12/14/16 modules	27.0×24.0×4.0 mm

For the complete selection, please contact engineering — more variants, packages and grades are available than listed here.

Distributed by Yueyang — designed and manufactured by Huawei. Source: Huawei Embedded Power Selection Guide (2025Q2).

CRPS / Kunpeng hot-swap server PSU

Enclosed box-format power supply

Chip-scale point-of-load PSiP regulator

Dual-channel non-isolated DC-DC, ECP process