DPC

Core component of the hydrogen fuel cell engine system, which steps up the low-voltage DC output of the fuel cell to high-voltage DC to power the vehicle system components and charge the traction battery, achieving power system power distribution and optimized control through precise control of output power. The company offers two types: isolated and non-isolated (source: dpc.com.cn fuel cell system solution page / China Power Supply Society product introduction). Product platforms: DFD10-60 (for 5-10kW stacks), DFD60-120 (for 30-80kW stacks), DFD160-240 (for 60-200kW stacks). Specific models: isolated DFD30-60 (30kW, input 65~220VDC, max current 500A), DFD50-100 (50kW, input 120~400VDC, max current 500A), DFD120-250 (120kW, input 50~550VDC, max current 400A); non-isolated DFD80-150 (80kW, input 50~550VDC, max current 450A), DFD160-300 (160kW, input 50~550VDC, max current 600A). High-voltage output 250~750VDC (unidirectional step-up, customizable). Isolated: electrical isolation, high transformation ratio up to 1:12, rated efficiency 96%; non-isolated: SiC devices, average efficiency ≥98%, with fuel cell system high-voltage distribution. Auxiliary high-voltage outputs: 3 channels for isolated (air compressor/PTC/other), 4 channels for non-isolated (air compressor/PTC/hydrogen pump/water pump). Auxiliary input 9~36V, standby power 20W (isolated)/35W (non-isolated). Protection rating IP67, operating temperature -40~85°C, max altitude 4000m, water cooling, communication CAN2.0B supporting UDS. Reference standards: GB/T 24347, GB/T 18488, GB/T 18384, QC/T 413, QC/T 895, GB/T 18655, GB/T 17619. Dimensions 450×450×120mm, weight 29±0.5kg (isolated)/35±0.5kg (non-isolated). 2026 semi-annual report supplement: isolated DCDC developed based on 50kW module, power 50~300kW, input 90~750V, output 200~1000V, max input current 900A, efficiency 98%, applied in rail transit and hydrogen vessels; isolated DCDC for SOFC has obtained TÜV SÜD CE certification.

Isolated and non-isolated types; High-voltage output 250~750VDC unidirectional step-up; Isolated ratio up to 1:12, rated efficiency 96%; Non-isolated with SiC devices, efficiency ≥98%; Protection rating IP67; Operating temperature -40~85°C; Water cooling; Communication CAN2.0B with UDS; Dimensions 450×450×120mm

• Hydrogen fuel cell engine system
• Suitable for 5~200kW stack hydrogen power systems
• Hydrogen commercial vehicles, rail transit, hydrogen vessels
• Isolated high-power series also used for stationary / industrial and commercial on-site power generation

Used in hydrogen fuel cell air compressor air supply systems, driving centrifugal/roots-type air compressors and hydrogen pumps to operate at high power and ultra-high speed (source: dpc.com.cn HC130/LC50/HC30 product pages and China Power Supply Society). Adopts SiC devices, sensorless FOC control, high-performance initial position detection algorithm, enabling the motor to start smoothly under full load. Model HC130-D800-N: input 400~800Vdc, continuous current 130Arms, rated power 70kW (suitable for air compressors of fuel cell systems up to 300kW), frequency 0~2500Hz, auxiliary power 9~36V, max efficiency ≥95%, meets GB/T 18655-2018 Class 3, withstand voltage ≥3500VDC, operating temperature -40~85°C, IP67, water cooling, dimensions 329×336×114mm, weight 15±0.2kg. HC30-D750-A: input 250~750Vdc, auxiliary power 9~32V, V1.3 continuous current 36A/18kVA, 0~2000Hz, V1.5 continuous current 70A/36kVA, 0~2500Hz, max efficiency 98%, meets GB/T 18655-2018 Class 3. LC50 low-voltage high-speed motor controller: model LC50-D60-S11 (48V, 30~63Vdc), LC50-D100-S00 (80V, 60~100Vdc), continuous current 50Arms, rated power 2kW, frequency 0~3500Hz (1 pole pair up to 210krpm), max efficiency 97%, meets European standard ECE-R10, IP67, water cooling, dimensions 200×142×65.5mm, applied in fuel cell drones/forklifts. The first-generation product has a market share of about 50% and obtained Nanjing Rongce EMC-Class3 certification; the second generation has max continuous current 70Arms and max electrical frequency 2500Hz.

SiC devices with sensorless FOC control; HC130-D800-N rated 70kW, input 400~800Vdc; HC30-D750-A max efficiency 98%; LC50 low-voltage 48V/80V rated 2kW; Protection rating IP67; Operating temperature -40~85°C; Water cooling

• Hydrogen fuel cell air compressor / hydrogen pump motor control
• Fuel cell drones, fuel cell forklifts
• Suitable for 10~300kW fuel cell system air compressors

On-board step-down DC/DC converter (also called on-board step-down DCL), which steps down the high-voltage DC from the traction battery or fuel cell system to low-voltage DC, supplying power to the vehicle's low-voltage loads (cooling fans, etc.) and charging the 12V/24V battery (source: dpc.com.cn step-down DC/DC converter module / complete unit product pages). Module model DBD025-336-12: nominal input 336Vdc (200~500Vdc), rated output 2.5kW (peak 2.75kW/6min), output 14V, 178.6A, rated efficiency ≥93%, ripple ≤250mV; DBD030-500-24: nominal input 500Vdc (250~750Vdc), rated output 3kW (peak 3.3kW/6min), output 27V, 111.1A, rated efficiency ≥95%, ripple ≤500mV. Both models have max input current 10A, input terminal 5min discharge voltage drop ≤60V, full isolation between ports, fully digital control, max conversion efficiency 95%, support CAN-BUS, UDS diagnosis and BootLoader, operating temperature -40~85°C, reference standards GB/T 24347/18488/18384, QC/T 413/895, GB/T 18655/17619, dimensions 160×100×45mm, weight 1.2kg. The complete-unit type is used for stepping down high voltage of pure electric / fuel cell systems to low-voltage output. According to the annual report, integrated 6/9/12KW DCL products developed based on on-board step-down DCDC have been supplied in batches to hydrogen fuel cell vehicles, with peak efficiency >97% and high power density; in hydrogen commercial vehicle multi-in-one systems, DCL converts DCF high-voltage output to 24V for low-voltage devices.

Module DBD025-336-12 output 14V/178.6A; Module DBD030-500-24 output 27V/111.1A; Max conversion efficiency 95%; Supports CAN-BUS/UDS/BootLoader; Full isolation between ports, digital control; Operating temperature -40~85°C; Dimensions 160×100×45mm; Weight 1.2kg

• Low-voltage power supply for new energy passenger/commercial/logistics vehicles
• Hydrogen fuel cell vehicles (integrated 6/9/12KW DCL)
• Fuel cell system low-voltage loads and 24V battery charging

Main drive motor controller, used in the main drive electric drive system of new energy vehicles (source: China Power Supply Society 'Beijing Dynamic Power New Energy Technology Co., Ltd.' product introduction / Dynamic Power annual report). Technical route: adopts IGBT drive module technology, average efficiency ≥98%, high-performance PWM algorithm, high reliability of the electric drive system; equipped with various protection functions such as voltage, current and temperature. The company disclosed that its new energy vehicle products include 'hybrid system (motor + multi-in-one motor controller), standalone main/auxiliary drive controller and motor' (source: SSE interactive platform secretary's reply). Note: This research did not find an independent product page for this product on Dynamic Power's official website, nor specific model / power rating parameters; the related description is based on the technical route disclosed by the industry association and annual report. It is recommended to supplement the model and power indicators with the official page later.

IGBT drive module technology; Average efficiency ≥98%; High-performance PWM algorithm; Voltage/current/temperature protection; Hybrid system (motor + multi-in-one motor controller)

• Main drive electric drive system for new energy passenger/commercial vehicles
• Main drive for hybrid systems

On-board power supply (OBC + DC/DC + PDU three-in-one on-board power supply) (source: dpc.com.cn passenger/commercial vehicle three-in-one on-board power supply product pages). Passenger vehicle three-in-one: compatible with 220VAC/110VAC (auto-detect), supports 800V high-voltage platform; OBC rated 6.6kW, output 300~900VDC, full-load weighted efficiency >95.2%; main DCDC rated 2.5kW (peak 3kW/6min), auxiliary DCDC rated 2kW (peak 2.5kW/6min, can be paralleled), DCDC full-load efficiency ≥94.5%; PDU integrates traction battery/PTC/air conditioning/MCU interfaces, reserves wireless charging and fast charging ports; input 90~264VAC, discharge 6kVA, operating temperature -40~85°C, water cooling, dimensions 330×285×93mm, weight ≤10kg, IP67. Commercial vehicle three-in-one: DCDC input 200~450Vdc, output 14V±1% (rated 1.5kW peak 1.8kW, 108A), OBC input 90~265VAC, output 200~450VDC, 3.3kW (efficiency 95.7%@220VAC/336VDC), PDU reserves PTC/air conditioning interfaces, 32PIN low-voltage signal terminal, dimensions 300×244×173.5mm, weight ≤10kg, IP67, meets QC/T413-2002, QC/T895-2011, salt spray, etc. 2026 semi-annual report: the new-generation passenger vehicle three-in-one adopts deep magnetic integration + planar transformer, weighted efficiency 96.5%, power density 4kW/L, with V2X external discharge function.

OBC + DC/DC + PDU three-in-one; Passenger OBC 6.6kW output 300~900VDC; Main DCDC 2.5kW, auxiliary DCDC 2kW; Supports 800V high-voltage platform; Protection rating IP67; Operating temperature -40~85°C; Water cooling; Passenger vehicle weight ≤10kg

• Pure electric / hybrid passenger vehicles (800V platform)
• New energy commercial vehicles, electric logistics vehicles, buses

Fuel cell system multi-in-one controller (non-isolated multi-in-one integrated power supply, integrating DFC step-up DCDC + ACC air compressor controller + DCL on-board step-down + PDU high-voltage distribution) (source: dpc.com.cn fuel cell system multi-in-one controller product page / annual report). DFC step-up DCDC: rated operating point 250V×700A, rated power 36kW, input 60~550VDC, max input current 700A, output 450~750VDC, efficiency 98%, with stack internal resistance detection (EIS); ACC air compressor controller: input 250~750VDC, max output frequency 2500Hz, rated output current 70Arms, efficiency 96%, speed control accuracy ±0.15%; DCL: hydrogen pump/water pump/PTC power supply and expansion port, with output overcurrent, input over/under-voltage, over-temperature protection; PDU high-voltage distribution: 2 auxiliary high-voltage outputs. Auxiliary input 16~36V, power ≤100W. Protection IP67, operating temperature -40~85°C, max altitude 2000m, water cooling, communication CAN2.0B supporting UDS. Complies with CE certification, IEC CISPR 25 Class 3, reference standards GB/T 24347/18488/18384, QC/T 413/895, GB/T 18655/17619. Dimensions 620×525×120mm, weight <60kg. The annual report states that the new-generation non-isolated multi-in-one DCF peak current >800A (2026 semi-annual report states >1000A), and has been successfully applied in hydrogen fuel cell commercial vehicles.

Integrates DFC step-up DCDC + ACC + DCL + PDU; DFC rated 36kW, input 60~550VDC; ACC rated 70Arms, efficiency 96%; Protection rating IP67; Operating temperature -40~85°C; Communication CAN2.0B with UDS; Dimensions 620×525×120mm; Weight <60kg

• Multi-in-one power system for hydrogen fuel cell commercial vehicles
• Hydrogen fuel cell engine system integration