Shijiazhuang Tonhe Electronics Technologies Co., Ltd.

TonHe Technology's series of high-efficiency, high-power-density DC charging modules developed for DC charging piles, covering 20kW/30kW/40kW power levels and a 1000V high-voltage platform, including air-cooled, liquid-cooled, CE, UL, dual-input, and low-voltage models, as well as the Taihang series and products compliant with the State Grid 'Six Unifications' standard.

Constant power output range 300Vdc~1000Vdc; power levels 20kW/30kW/40kW; supports 268VAC~490VAC three-phase four-wire input; industry-leading peak efficiency; includes air-cooled (three-fan), fully potted, liquid-cooled (SiC), CE/UL certified, dual-input, and low-voltage (460mm×218mm×84mm) models.

• DC charging piles for NEVs
• Charging stations / charging stacks
• Integrated PV-storage-charging facilities

Developed by TonHe Technology for charging piles, the charging controller works together with DC charging modules and is responsible for logic control, power scheduling, communication, and safety management of the charging process, making it one of the core components of the company's NEV business.

Bus Voltage: 600 V DC; Communication Protocol: CAN 2.0B / RS485; Protection Class: IP65; Operating Temperature: -30 ℃ ~ +105 ℃; Efficiency: ≥ 95.5 %

• DC charging piles for NEVs
• Charging station control systems
• Charging stack power scheduling

Power supply modules developed by TonHe Technology for smart grid and industrial applications, adopting full soft-switching power conversion technology with a wide operating voltage range, used in power operating power supplies and industrial power systems.

Operating voltage range 20VDC~300VDC; adopts full-process soft-switching power conversion technology with high efficiency and high reliability.

• Smart grid power operating supply
• Industrial power systems
• Substation auxiliary power

An AC data acquisition unit for smart grid systems that monitors three-phase or single-phase AC electrical data in real time, providing underlying data for power monitoring and energy management.

Measurement Range: 10 ~ 1000 V DC; Accuracy: ±1.5 %; Communication Protocol: CAN / Modbus / OCPP; Drive Voltage: 24 V DC; Operating Temperature: -30 ℃ ~ +105 ℃; Protection Class: IP65

• Smart grid AC monitoring
• Distribution automation
• Electricity consumption information collection

A device for monitoring the insulation status of DC systems, distinguishing switch-status signals from insulation signals via DIP switches, ensuring the safe operation of smart grids and DC power supply systems.

Measurement Range: 0 ~ 400 V AC; Accuracy: ±2 %; Rated Voltage: 72 V DC; Operating Temperature: -40 ℃ ~ +125 ℃; Protection Class: IP67; Communication Protocol: CAN / Modbus / Ethernet

• Smart grid DC system insulation monitoring
• Power operating supply safety
• Industrial DC power protection

AC/DC and DC/DC power modules developed by TonHe Technology specifically for data center HVDC (high-voltage DC) systems, covering 240V/336V/750V busbar architectures, including air-cooled and liquid-cooled solutions, with peak efficiency above 98%, supporting hot-swappable operation, autonomous current sharing, and low-temperature startup.

Nominal voltage 240V/336V/750V, rated power 20kW~60kW, peak efficiency ≥98%; double-sided automatic potting process, supports hot-swappable operation, autonomous current sharing, startup at -40℃; liquid-cooled models with IP65 protection, meeting standards such as YD/T 2378, YD/T 3088, YD/T 3089, GB/T 38833.

• Data center HVDC power supply systems
• Next-generation 800V data center architecture
• Data center energy saving and PUE reduction

A monitoring system developed specifically for data center HVDC systems, featuring a 10-inch touchscreen and connecting to underlying acquisition units to achieve real-time system monitoring, fault alarms, module management, and charging management.

10-inch touchscreen; connects to different underlying acquisition units for real-time information monitoring, fault alarms, module management, and charging management; includes a time-synchronization interface and multiple custom fault output interfaces; provides upper-computer communication protocols such as Modbus/TCP.

• Data center HVDC system monitoring
• Centralized power module management
• Backend access and operations

A series of module power supplies developed by TonHe Technology (HOWE Power) for the aerospace field, adopting thick-film hybrid integration with fully sealed metal / five-sided / six-sided structures, internally filled with inert gas or thermally conductive silicone, offering high reliability and resistance to harsh environments.

Adopts thick-film hybrid integration; H series fully sealed metal enclosure filled with inert gas, D/V series five-sided/six-sided metal structures filled with thermally conductive silicone; second-generation series with 0.5×0.5 inch, 1×0.5 inch, 1×1 inch and 1/16-brick to 1/2-brick form factors, meeting aerospace high-reliability power supply needs.

• Aerospace power supply systems
• Airborne / missile-borne electronic equipment
• High-reliability military power supplies

A series of functional component / secondary power supplies customized by TonHe Technology (HOWE Power) according to user requirements, with output voltage, power, and channel count freely combinable, featuring complete protection functions, widely used in aerospace custom power supply scenarios.

Output voltage, power, and channel count can be combined arbitrarily per user requirements; complete protection functions; adopts HOWE series custom models to meet diverse aerospace power supply needs.

• Aerospace custom power supply
• Airborne secondary power supply
• Special electronic equipment power supply

Variable-frequency controllers (AC/AC, DC/AC converters) developed by TonHe Technology for energy storage thermal management systems, converting three-phase input or high-voltage DC into controllable variable-frequency output to drive compressors, fans, or water pumps within the energy storage thermal management system.

TH-BTZ54W03F is a thin-film capacitor three-phase ACAC converter driving the compressor; TH-BTZ38W01F is a single-phase input VFD PCBA core; achieves variable-frequency speed regulation and efficient thermal management control.

• Energy storage thermal management systems
• Energy storage air conditioning / compressor drive
• Battery temperature control VFD

A highly integrated controller developed by TonHe Technology for energy storage scenarios, integrating multiple functions including HV PDU module, AC/AC module, and DC/DC module into one unit, simplifying the control architecture of energy storage thermal management systems.

Bus Voltage: 800 V DC; Output Power: 11 kW; Communication Protocol: CAN / Modbus / Ethernet; Protection Class: IP67; Operating Temperature: -40 ℃ ~ +125 ℃; Cooling Method: Air cooling

• Integrated energy storage system control
• Energy storage thermal management
• Commercial and industrial energy storage cabinets

On-board DC/DC converters developed by TonHe Technology for EV traction batteries and battery thermal management systems, converting high-voltage traction battery energy into low-voltage 24V/27.5VDC to power low-voltage devices such as BMS, fans, and water pumps.

Output low voltage 24VDC/27.5VDC; power ranging from 300W to 2000W class; converts high-voltage traction battery energy to power low-voltage devices such as BMS, fans, and water pumps, applied in EV battery thermal management systems.

• EV on-board power supply
• Battery thermal management power supply
• BMS and low-voltage load power supply

Motor controllers (DC/AC converters) developed by TonHe Technology for EV battery thermal management systems, converting high-voltage DC into three-phase AC to drive motors, achieving speed control and driving fan or water pump loads.

Converts high-voltage DC into three-phase AC to drive motors; TH-KTZ55W10N for motor drive speed control; TH-KTZ10W02F / TH-KTZ60W02F are DC/AC converter cores outputting multiple three-phase voltages to drive fans/water pumps.

• EV battery thermal management
• Motor drive control
• Fan / water pump load drive

Commercial and industrial energy storage integrated cabinets (Chang'an series, Jinling series) from TonHe Technology, industry-leading large low-voltage grid-connected cabinet energy storage systems integrating efficient power electronic conversion, intelligent thermal management, multi-level safety protection, and AI energy management, suitable for various user-side operation strategies.

Low-voltage grid-connected cabinet structure; integrates efficient power electronic conversion, intelligent thermal management, multi-level safety protection, and AI-driven energy management; covers 75kW~600kW levels, meeting strategies such as peak shaving and valley filling, ancillary services, demand response, and electricity spot markets.

• Commercial and industrial user-side energy storage
• Peak shaving and valley filling
• Power ancillary services and demand response

Energy storage converters (PCS) developed by TonHe Technology for commercial and industrial energy storage, adopting patented protection technology to enhance heat dissipation, salt-fog corrosion resistance, dustproofing, and shock absorption, suitable for extreme scenarios such as high humidity and high salt-fog, achieving bidirectional AC/DC energy conversion.

Power covering 80kW~160kW levels; adopts patented protection technology to enhance heat dissipation, salt-fog corrosion resistance, dustproofing, and shock absorption; suitable for extreme environments such as high humidity and high salt-fog, achieving bidirectional energy conversion and grid connection of energy storage systems.

• Commercial and industrial energy storage grid connection
• PV-storage-charging systems
• Energy storage in harsh environments such as high humidity / high salt-fog