GE DS200GDPAG1A DS200GDPAG1AEB Power Supply Board

The GE DS200GDPAG1A DS200GDPAG1AEB provides high-frequency isolated power for gate drive circuits. This board converts 125V DC into four high-current 24V outputs. Therefore, it serves smaller drive systems with fewer IGBT modules.

Product Overview

We designed this power supply for cost-sensitive applications needing fewer channels. Its single-ended forward converter offers simplicity and proven reliability. Moreover, this unit includes output short-circuit protection with automatic recovery.

Technical Specifications

Parameter	Specification
Dimensions	24.1 cm (length) x 13.3 cm (width)
Weight	0.54 kg (approximately 1.19 lb)
Interface Type	Single 40-pin backplane plus 6-pin output header
Component Count	122 components including power transformer and controller IC
Energy Storage	3 bulk capacitors (680 µF, 200V) plus 10 ceramic
Switching Frequency	100 kHz fixed with duty cycle clamp
Input Voltage	125V DC nominal (100V to 140V range)
Output Channels	4 isolated outputs at 24V DC nominal
Output Current	1.0A per channel, 2.5A total maximum
Isolation Voltage	2000V RMS between primary and secondary
Efficiency	86% typical at full load
Hold-up Time	20 ms at maximum rated load
Protection	Short-circuit with hiccup mode

Forward Converter Topology

The GE DS200GDPAG1A DS200GDPAG1AEB uses a single MOSFET with active clamp reset. Its three bulk capacitors filter input ripple and store hold-up energy. Additionally, the active clamp recovers transformer leakage energy for higher efficiency. You get better performance than traditional passive clamp designs.

Energy Storage Array

Three bulk capacitors provide 20 ms of hold-up time at full load. This keeps outputs alive during brief AC line interruptions. Ten ceramic capacitors decouple high-frequency noise on all power rails. Each output channel receives two ceramic capacitors for local filtering. Clean power ensures reliable gate drive for sensitive IGBT modules.

Output Channel Design

Each output delivers up to 1.0A continuously for larger gate drivers. The board uses separate secondary windings for each of the four channels. All outputs share a common return but float independently from primary. The maximum potential difference between any two outputs is 400V DC. This suits driving IGBTs in low-voltage inverter applications up to 690V AC.

Installation Steps

Insert this board into any Mark V slot with 40-pin backplane connection. Align the GE DS200GDPAG1A DS200GDPAG1AEB with the plastic card guides. Push forward steadily until the backplane connector locks completely. Then tighten the two front panel screws for secure mounting. Connect the output cable to your gate driver distribution board.

Short-Circuit Protection

The board implements hiccup mode protection for output short circuits. When a short occurs, the converter shuts down for 500 ms. After this delay, it attempts to restart automatically. The board repeats this cycle until the short circuit clears. This protection prevents thermal damage during installation wiring mistakes.

Thermal Considerations

This board operates without forced cooling up to 60°C ambient temperature. Above 60°C, derate the total output power by 6% per degree Celsius. The main switching MOSFET mounts directly to the PCB copper area. A thermal pad conducts heat from the MOSFET to the board. Maximum component temperature should not exceed 105°C during operation.

Application Areas

This high frequency board powers IGBT drivers in small variable frequency drives. It also suits UPS systems and solar inverter applications. Many OEMs choose the GE DS200GDPAG1A DS200GDPAG1AEB for cost-effective designs. Its four high-current outputs match three-phase inverters with brake choppers.