For Every Applications
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Automotive Electronics
The OBC, DC/DC, BMS, and charging interface of new energy vehicles are subjected to long-term high and low temperature cycles, vibrations, load transients, and external transient impacts. Qiaoton can provide surge suppression, transient protection, and temperature monitoring solutions for automotive electronic systems around high-voltage power supply inlets, low-voltage control systems, communication interfaces, and critical heating locations. Key products: TMOV, TMOV-G, MOV, TVS, NTC, temperature sensor
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Key development directions:
* OBC AC input surge and abnormal overvoltage protection
* DC/DC Low Voltage Side Transient Suppression BMS sampling, CAN and control interface protection Temperature monitoring of charging interface and high-voltage connector
* Devices and platformization solutions for automotive certification -
AI Server Power
The power density of AI servers continues to increase, and rack power supplies need to face problems such as high current, rapid load changes, frequent hot swapping, and continuous high-temperature operation. Qiaoton can start from the distribution unit, server power input, auxiliary power supply, control interface, and connector temperature rise to build a highly reliable power protection solution for high-power density data centers. Key products: TMOV, TMOV-G, TPMOV, TVS, NTC, temperature sensor.
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Key development directions:
* PDU and power module inlet surge protection Abnormal Overvoltage Protection in High Frequency Switching Environment
* Hot swappable and startup surge current management
* 48V/54V bus and control interface transient protection Temperature monitoring of connectors, copper bars, and power devices Rack level protection module with remote signaling function -
Photovoltaic Inverter
Photovoltaic inverters operate in outdoor environments for a long time and are susceptible to factors such as lightning surges, high voltage on the DC side, fluctuations in the AC power grid, insulation aging, and high-temperature operation. Qiaoton can establish a multi-level surge and overheating failure protection scheme around photovoltaic DC input, AC grid connected terminal, auxiliary power supply, and communication interface, to enhance the operational reliability of inverters in complex power grids and harsh environments. Key products: MOV, TMOV, TMOV-G, TPMOV, GDT, TVS, temperature sensor.
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Key development directions:
* DC high voltage side surge and failure isolation
* AC grid side surge and power frequency continuous current suppression GDT+TVS graded protection for communication interfaces Temperature monitoring of power modules, busbars, and terminals Maintainable protection module with remote signaling function -
Energy Storage Inverter
Energy storage PCS have the characteristics of bidirectional power conversion, frequent charging and discharging, large short-circuit energy, and long continuous operation time, which puts higher requirements on surge tolerance, pre charge control, device temperature rise, and fault state monitoring. Qiaoton can provide a systematic solution with surge protection, overheating disengagement, remote signaling feedback, and temperature monitoring capabilities around the grid side, DC bus, auxiliary power supply, communication interfaces, and critical connection points. Key products: TMOV-G, TPMOV, MOV, NTC, TVS, GDT, temperature sensor.
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Key development directions:
* PCS AC Input High Energy Surge Protection
* Power frequency abnormal overvoltage and freewheeling suppression
* Pre charge and auxiliary power surge current limit Protection of communication interfaces such as CAN and RS485 Temperature monitoring of battery connectors, busbars, and power modules -
RRU/5G base station
RRU base stations are usually installed in outdoor environments such as rooftops, iron towers, mountainous areas, and coastal areas, and are susceptible to lightning induction, ground potential counterattacks, long cable coupling surges, temperature changes, and moisture corrosion. Qiaoton can establish a multi-level protection system from coarse protection to fine protection for AC distribution, -48V DC power supply, antenna feeder, and communication interfaces. Key products: GDT, MOV, TMOV, TPMOV, TVS, temperature sensors.
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Key development directions:
* High energy surge protection for base station AC entrance
* -48V DC power supply terminal graded protection GDT+TVS combined signal interface protection
* Remote failure alarm for lightning protection box and power module
* Temperature monitoring of outdoor cabinets, wiring terminals, and power devices -
Industrial Power
Industrial equipment generally faces problems such as power grid fluctuations, motor start stop, inductive load backlash, frequency converter interference, long cable coupling, and high temperature inside cabinets. Qiaoton can be used for industrial control power supply PLC、 Provide comprehensive protection solutions covering power inlet, power devices, control interfaces, and communication ports for frequency converters, servo drives, robots, and UPS equipment. Key products: TMOV, TMOV-G, TPMOV, MOV, NTC, GDT, TVS, temperature sensor.
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Key development directions: Industrial power inlet surge and abnormal overvoltage protection
* Transient suppression of frequency converters, servos, and motor drives
* Protection for inductive loads such as relays and contactors RS485, CAN, and I/O interface protection
* Temperature monitoring of control cabinets, terminals, and power modules
