Measurement database: converters

The converter showed low ripple, high efficiency, and little heating, but has limited headroom for minimum voltage drop.

High efficiency and low ripple; the author notes the SCP protection behaves strangely.

The compact converter showed good accuracy and low ripple; the author considers it great for standalone power supplies.

The author liked the large display and over-1800 W output despite the noisy fan and minor flaws.

A compact converter delivering up to 720 W with high efficiency, but noticeable voltage sag under load.

The author liked it: it delivers the rated power, has low ripple and achieves good efficiency.

The hybrid converter impressed: power and efficiency increased, though losses are higher than in the standard version.

Suitable for charging batteries and rough loads, but ripple and slow response make it a poor choice for sensitive electronics.

The author liked the RD6030: it delivers up to 30 A, though voltage drops by 45–50 mV at full load.

The board showed good efficiency and handled more than its rated load, but it is expensive and has an auto-start drawback.

An inexpensive converter with high efficiency, but significant ripple and overheating shunts.

The author is pleased with its accuracy, power and low ripple, though voltage drop was greater than expected.

The board starts, regulates voltage and generates a sine wave; the author considers it inexpensive but worth the price.

The converter interested the author, who ordered one for future testing.

The converter interested the author, who ordered a unit for a full review later.

The trigger supports PD and QC, enables 100 W output, and handled the prolonged load well.

The inverter produced a square wave instead of the advertised pure sine wave, and the author found build and circuit flaws.

The inverter works in the system, but limits panel power use to 1000 W and is very noisy.

The board works normally but supports only QC, so output is limited to 12 V with most power supplies.

The converter board was used to test the trigger, but it received no separate assessment.

The author recommends the converter but notes high ripple and advises adding an input inductor for use in a car.

The RD6024 is a decent alternative to the 6012 and 6018, with output current up to 24 A.

It regulates voltage well with low ripple, but heats up noticeably and has an awkward range-switching system.

The converter is capable and efficient, but unstable CC operation and WiFi software problems spoil the impression.

The author shows the converter’s construction and possible uses but does not test it.

The converter is accurate, has low ripple and responds well to load changes; the author would probably buy it.

An inexpensive converter with good efficiency and low ripple, but dangerous voltage spikes and other shortcomings.

Balances ordinary Li-ion cells quickly, but works noticeably worse with LiFePO4 because of their discharge-curve characteristics.

Cell voltages did not change in some tests; the author considers it good for ordinary Li-ion but worse for LiFePO4.

Usable for non-critical loads, but CC mode performs poorly and ripple exceeds the stated level.

The converter performed well, with slightly higher efficiency than the RD6012; the author recommends considering it.

It works reasonably well, but is unstable when input voltage sags and has high output ripple.

It delivers up to 10 A with low ripple, but gets very hot and is inferior in quality to the 20 A version.

The author liked this compact, powerful dual-channel converter, noting its efficiency and protections against overheating and overload.

It works, but runs hot, outputs no more than 30 V, and needs cooling at high currents.

The board stays cool in use, but lacks a driver and discharges the gates through 10 kΩ resistors.

It works well and is highly efficient, but ripple is noticeably higher than on the RD6006.

It welds steel strips well, but handles nickel only when the strip is thin and the supercapacitors are nearly fully charged.

The author recommends the WiFi version of the RD6012, but has not yet received or tested it.

It overheats, has high ripple and low efficiency; the author finds it has more drawbacks than advantages.

The converter has coarse adjustment, unstable output voltage, and failed during testing.

The compact converter meets its stated specs, but 4 A is only available briefly; heat limits sustained current.

The modified SEPIC converter charges the battery reliably and can also power the instrument.

The board handled up to 9.5 A and is recommended, though the input diode gets hot and reduces efficiency.

The converter failed the soldering-iron test, with output voltage dipping and rising as the load changed.

The converter impressed with its accuracy, convenient controls and good efficiency, though the author wanted lower ripple and fewer flaws.

In the setup, the converter limited output to about 79.91 V; its heatsink reached about 72 °C during the test.

The module works well, but heating of the load transistors needs improvement.

The compact crossboard is interesting, allowing converter modules to be installed and the desired voltage to be requested via PD.

An interesting, versatile converter, but its readings are inaccurate and adjustment can glitch; power is limited to 15 W.

This inexpensive module works well and supports many protocols, but its power is limited to 27 W.

This powerful bidirectional module supports many protocols and can charge a battery, but it is expensive.

It works but overheats; at 24 V its ripple is higher than that of type one.

Type one handled 3.2 A at 24 V, ran cooler, and showed lower ripple.

The ZC823 is neatly built and showed low ripple; the author preferred the SW3516 boards.

This inexpensive board works quite well, but has notably higher ripple and cheaper components.

The board supports QC up to 20 V and delivered about 40 W, but testing was cut short when it failed.

The board is liked by the author: it holds its rated current steadily and is suitable for its intended use.

It handles the rated current, but the voltage drops noticeably when switching to battery power.

The compact converter supports QC and works steadily in most modes, but ripple is high and it cannot sustain maximum load at 5 V.

The author liked the converter: it has good regulation and protection, but ripple is high.

Delivers up to 300 mA versus 210 mA rated; the author finds the result good despite noticeable ripple.

Handles more than its rated load, but output voltages diverge under unbalanced loading; it reached 85 °C at full load.

The author liked this compact isolated converter; it maintains stable voltage and can operate at full rated power.

The board regulates accurately, but ripple reaches 150 mV and components heat up noticeably under load.

The board has a large, clear display, flexible settings and good accuracy; drawbacks are its price and separate isolated power requirement.

It is stable and briefly delivers up to 50 W, but is suited to about 25 W without cooling and has high ripple.

It holds output voltage steadily and briefly delivers up to 50 W, but ripple is high and full power requires cooling.

The circuitry and construction are decent, but accuracy is mediocre, functionality is limited, and the software is crude.

A branded converter with high efficiency and high output current; at room temperature, about 15–16 A is feasible without forced cooling.

A branded converter with a heatsink; the author estimates it can deliver 20–25 A without additional cooling.

At full load it runs steadily only with 44–45 V input; without forced cooling, sustained output above 8 A is unlikely.

The universal converter is well calibrated and runs cool, but is limited by input current and 250 W power.

The converter has high efficiency and an interesting design, but substantial ripple and susceptibility to interference.

The XMOS USB board works, but looks rough and its stability depends on cable quality.

The kit assembled without much difficulty and delivered up to 42 V and 6 A, but ripple was elevated.

The converter showed good performance and efficiency, but is awkward to use, overheats a driver transistor, and is nearly unrepairable.

Works steadily and supports QC 2.0/3.0, but gets hot and has high ripple at 5 V output.

An interesting, easy-to-assemble kit with good stability, but the relays and fuse must be replaced for 20 A.

The author considers the inexpensive CH340/MAX485 converter excellent for the price.

The board works for a charger, but the author recommends limiting current to 1.5 A because of overheating.

The assembled linear PSU holds voltage well in most modes, but deviates at 2 A and maximum voltage.

The FR9888 has very low ripple and good protection, but efficiency is below spec and it overheats at 3 A.

It cannot sustain the rated 2 A; the author reached only 1.6 A and does not recommend it.

The author built and tested an MP2359DJ converter: it had very low ripple and efficiency no lower than 87.7%; he recommends the chip.

An interesting universal converter, but it falls short of its claimed specifications and needs better cooling.

Suitable for undemanding loads up to 6 A, but its output voltage is unstable and it is unsuitable for charging lithium batteries.

The kit is easy to assemble, but the converter is weak, current-limited, sags under load, and has high ripple.

The board is functional and powerful, but the author notes shortcomings and makes numerous modifications to improve reliability.

The converter board was built into a power supply, but ripple exceeds the claim and feedback and fan operation have drawbacks.

The converter works fully and handles two drives, but needs better cooling.

A cheap, functional but low-power board; after conversion to SEPIC, it delivered about 300 mA steadily.

The author disliked its original design and ripple, but the modified SEPIC version performed well.

The converter works, but overheats under load and can fail with some voltage combinations.

The kit assembled and worked; the author liked the design, but noted that some modifications are needed.

The converter operated at up to 3 A but ran hot; the author considers it suitable for use up to 2 A.

Works properly and is neatly built, but lacks speed stabilization and has interference with switching power supplies.

The ICL7660 chips were tested in an inverter circuit and found suitable for use.

The author tested the MC34063 in a buck-boost converter, obtaining about 11.44 V output at 9–16.28 V input and roughly 225 mA load.

The homemade converter held 11.44 V output across 9–16.28 V input at about 225 mA load, though the author notes its low power.

The converter worked correctly with three monitors, but became noticeably hot.

The converter holds its output steady up to a 1 A load, but efficiency falls to 69% at maximum current.

The modern converter achieved 78% efficiency at 0.5 A and 77% at 1 A.

The board is capable and suits a simple adjustable PSU, but using a ready-made power supply is easier.

The boards work well with no defects found; the author noted uneven LED brightness and unsoldered connector tabs.

The author liked the board despite some flaws, recommends it, and would buy it again.

The homemade driver regulates current, though it varies slightly as input voltage rises; the author was pleased.

The boards delivered about 83% and 90% efficiency in two tests; the author recommends them but notes weak capacitors and a diode.