Guangzhou Top Power Electronics Technology power converters

Guangzhou Top Power Electronics Technology (TOPPOWER): micro-power TPET units, regulated converters TP03DA-TP50DH, and DIN rail power modules.

TOPPOWER micro-power DC-DC converter modules 0.1W to 3W

Compact DC-DC converters across TPET, TPAT, TPVT, and TPLE series deliver board-level galvanic isolation and power conversion for sensitive microelectronics. Engineered in compact SMD and SIP or DIP footprints, these units suppress electromagnetic noise effectively.

Isolated unregulated and regulated configurations delivering output power up to 3 W
High galvanic input-to-output electrical isolation withstand voltage rating up to 3000 V
Miniature footprints in SMD, SIP4, SIP7, and DIP8 formats tailored for high-density boards
Industrial operating ambient temperature range spanning steadily from -40 to +85 degrees C

TOPPOWER isolated regulated DC-DC power converters 1W to 300W

Robust DC-DC converter modules spanning TP03DA, TP10DB, TP20DC, and TP50DH lines are engineered for demanding industrial plants and communication networks. Wide 2:1 and ultra-wide 4:1 input ranges ensure steady voltage for sensitive automation controllers.

Wide 2-to-1 and ultra-wide 4-to-1 DC input voltage windows for fluctuating field lines
Stabilized continuous DC output power capacity ranging reliably from 1 W to 300 W
Integrated circuit safeguards against output short-circuit, overload, and overvoltage
Six-sided metallic shielding enclosure minimizing environmental noise disturbances

TOPPOWER non-isolated switching regulators TP78XX series

Non-isolated switching regulator modules across TP78XX and TP78LXX families serve as high-efficiency direct drop-in alternatives for traditional 78XX linear regulators. Delivering up to 96 percent efficiency, they eliminate heavy aluminum heatsinks completely.

High conversion efficiency reaching up to 96 percent minimizing standby energy dissipation
Standard output current load ratings including 0.5 A, 1.0 A, 1.5 A, and 2.0 A options
Pin-out layout matched to industry TO-220 linear voltage regulator packages
Continuous full-load operation achieved without external metal heatsink assemblies

TOPPOWER on-board compact AC-DC converter modules 1W to 90W

On-board AC-DC modules across TP03AA, TP05AF, TP10AC, and TP20AU series provide regulated DC outputs directly on PCB assemblies from alternating grid lines. Encapsulated in compact plastic packages, they isolate microcontrollers from grid transients.

Universal wide AC input range spanning 85 V to 264 V for global power grids
Robust 4000 V AC isolation barrier between primary and secondary circuit sections
Potted protective enclosure guarding against industrial dust, moisture, and shock
Low output ripple and integrated electromagnetic interference suppression filters

TOPPOWER industrial enclosed switching power supplies 25W to 1200W

Secondary switching power units across TPC/PD, TPC/LR, and TPC/PDF series are enclosed in robust ventilated metal housings for industrial automation. High surge tolerance and power factor correction circuits ensure stable DC rails under fluctuating motor loads.

Wide selection of industrial power levels scaling progressively from 25 W to 1200 W
Perforated alloy protective enclosure optimized for natural convection heat transfer
Active power factor correction circuitry smoothing input harmonic current draw
Comprehensive output overcurrent, short-circuit, and thermal trip mechanisms

TOPPOWER DIN rail industrial power units 15W to 480W

Modular power units across TPR/DG, TPR/SDR, and TPR/NDR series mount directly onto standard TS-35 DIN rails inside control cabinets. Slim-line metal profiles conserve rack space, while front-panel LED indicators and DC-OK contacts ease operational monitoring.

Quick snap-on installation compatible with standard TS-35 by 7.5 or 15 DIN rail channels
Regulated output power capacities extending from 15 W to 480 W for cabinet instruments
Front-panel status LED indicator lamps coupled with isolated DC-OK relay output terminals
Accessible trim potentiometer enabling fine voltage adjustments directly on the front

Manufacturing infrastructure and quality standards of TOPPOWER

Guangzhou Top Power Electronics Technology Co., Ltd. has developed and manufactured high-performance power converter modules under the TOPPOWER brand since 2010.

Located within the National High-Tech Development District of Guangzhou, the company operates automated surface mount lines, robotic soldering systems, and computer-controlled verification benches.

The operational quality framework complies strictly with standard ISO 9001:2015. The product catalog spans more than 100 series with output ratings from 0.1 W to 1200 W.

Every manufactured unit undergoes dual automated full-parameter testing, ensuring dependability for sensitive industrial automation, telecommunications, and instrumentation.

Micro-power DC-DC converters and galvanic isolation

Micro-power DC-DC converter modules across TPET, TPAT, TPVT, and TPLE series deliver board-level regulated and unregulated voltages for embedded microprocessors, digital signal processors, and sensory interfaces.

The units provide galvanic electrical isolation withstand ratings up to 3000 V between primary and secondary loops.

Packaged in ultra-compact SMD, SIP4, SIP7, and DIP8 footprints, these modules simplify dense circuit board designs. Thermally conductive flame-retardant encapsulation shields delicate microcircuits against moisture, dust, and mechanical vibration over temperature spans from -40 to +85 degrees C.

Isolated regulated converters 1W to 300W for demanding environments

Wide input DC-DC converters across TP03DA, TP10DB, TP20DC, and TP50DH families provide steady output rails under severe operating conditions.

Input voltage ranges with 2-to-1 and 4-to-1 ratios compensate for dynamic voltage drops, transient fluctuations, and battery discharge curves in control cubicles.

Six-sided metallic shielding enclosures protect sensitive circuits against external high-frequency electromagnetic noise. Built-in protection topologies guard continuously against prolonged output short-circuit incidents, current overloads, and overvoltage surges.

Non-isolated switching regulators TP78XX series

Step-down switching regulators across TP78XX and TP78LXX series provide a high-efficiency alternative to traditional 78XX linear voltage regulators. Power conversion efficiency reaching up to 96 percent reduces thermal losses and eliminates the need for bulky heatsink hardware entirely.

Standard pin configurations match traditional TO-220 terminal spacings, allowing immediate drop-in replacement on existing printed circuit assemblies. The modules operate continuously under full load without auxiliary thermal cooling systems, minimizing total cabinet dimensions.

Board-mounted AC-DC modules and DIN rail power units

On-board AC-DC modules across TP03AA, TP05AF, TP10AC, and TP20AU series convert alternating line voltages from 85 to 264 V into steady low-ripple direct-current power. Input-to-output dielectric isolation rated up to 4000 V AC safeguards microcontrollers against severe line surges.

For industrial control panels, the manufacturer produces TPR/DG, TPR/SDR, and TPC/PD series designed for TS-35 DIN rail mounting or panel mounting. Features include front-panel status lamps, isolated DC-OK alarm output relays, and active power factor correction circuitry.

Technical selection and engineering verification of power modules

Technical specialists provide qualified selection and compatibility verification for TOPPOWER power units and DC-DC converters using equipment nameplates, electrical schematics, or original manufacturer part numbers.

Replacements for obsolete modules are matched by voltage, current, and mechanical fit.

Equipment is delivered under formal commercial invoice conditions accompanied by complete technical documentation and VAT 22%. Rigorous engineering verification prevents parameter mismatches and ensures dependable operation throughout automated industrial installations.

Guangzhou Top Power Electronics Technology and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Guangzhou Top Power Electronics Technology and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.