Teardown: Delta DPS-2000AB-2 G 2000W Platinum Silicon-Carbide Server PSU — PFC, Phase-Shifted Full Bridge, 12V/162A
2026-09-14 · Compiled by Best IT Parts from public industry reporting
Delta's DPS-2000AB-2 G is a 2000W-class server supply that accepts 100-127V and 200-240V AC as well as 240V DC input. The main rail is a single 12V output rated 162A (up to 1968W at 220-240V, derated to 1800W/148A at 200-219V and 1000W/83A at 100-127V), alongside a 12V/3A standby rail. The label carries an 80 PLUS Platinum rating with 94% efficiency, and the internal architecture is PFC plus phase-shifted full bridge plus synchronous rectification. The module measures roughly 200mm x 74.2mm x 39.4mm and weighs about 1005g; a 12V/2.1A Delta FFB0412EN-00 fan pulls air in at the rear connector and exhausts it at the AC inlet.
On the primary side, AC rectification uses an 800V/25A GBJ2508 bridge. PFC switching is handled by Infineon IPW60R099CP devices (650V, 99mOhm, TO247-3-1) driven by Texas Instruments UCC27524 dual-channel 5A low-side gate drivers, with rectification by a Cree C3D10060A silicon-carbide Schottky diode (600V/10A). The phase-shifted full bridge uses Infineon IPP65R110CFD MOSFETs (700V, 110mOhm, TO-220) driven by Skyworks Si8238AD isolated drivers rated 4A with 5kVrms isolation, while a Rubycon MXK 450V/820uF electrolytic anchors the high-voltage bus.
Control is built around two Microchip dsPIC33FJ64GS606 digital controllers (64KB flash, 9KB RAM, six PWM output pairs) — one for PFC, one as system MCU — paired with a Texas Instruments UCC28950 phase-shifted full-bridge controller. The secondary synchronous rectifier board carries eight onsemi SR MOSFETs, and the standby rail runs an onsemi NCP1236 controller with an STMicroelectronics STD6N95K5 950V switch; a separate SR stage uses Diodes ZXGD3103N8 controllers with Infineon BSC190N15NS3 G devices (150V, 19mOhm). Six AOS AON6500 MOSFETs (30V, 0.75mOhm, DFN5x6) provide output control, and filtering combines Chemi-Con PSG 1500uF/16V, Nichicon 2200uF/16V and Chemi-Con 1200uF/16V solid polymer capacitors. Primary windings use Litz wire with copper-strip secondary terminations. For high-current 12V PSU designs, the BOM is a useful reference on paralleling strategy and thermal routing.
Need this part in volume?
Best IT Parts supplies wholesale laptop power adapters, server power supplies and replacement parts, with OEM/ODM and private-label options.
Technical details are reproduced as reported. Verify specifications against the original source before design or procurement decisions.