Power Electronics / Power Management


Medical AC-DC power supplies

28 April 2021 Power Electronics / Power Management

Cosel announced the expansion of its medical power offering with the addition of the PJMA series. The 600 W PJMA600F and the 1000 W rated PJMA1000F have a universal input range of 85 to 264 V a.c. and comply with international safety standards.

Designed for demanding medical applications, the PJMA series’ input/output isolation complies with 2MOPP requirements. Based on a robust platform, the units’ design has been optimised to offer a very good price/performance ratio for medical applications requiring a high-quality power solution. The PJMA series is available in four output voltages of 12, 24, 36 and 48 V d.c.

Four single output voltages are available as standard in each unit: 12 V/50 A, 24 V/25 A, 36 V/16,7 A and 48 V/12,5 A for the PJMA600F; and 12 V/84 A, 24 V/42 A, 36 V/28 A and 48 V/21 A for the PJMA1000F.The output voltage can be adjusted using the built-in potentiometer.

The PJMA series includes inrush current limiting circuitry, over-current and over-voltage protection, as well as thermal protection. Exhibiting versatility and robustness, the power supplies can be operated in an environmental temperature range of -20°C to +70°C. Depending on the final equipment assembly style and cooling conditions, derating may apply.

With its medical focus, the PJMA series’ input to output isolation complies with 2MOPP, its input to ground with 1MOPP and output to ground with 1MOPP. The units are approved in accordance with ANSI/AAMI ES60601-1 and EN60601-1 3rd Edition.

To accommodate application specific requirements, a number of options are available including conformal coating (C), low leakage current (G), external potentiometer connector (V), remote control (R), remote sensing/low output voltage alarm and parallel operation (W) and low speed fan (F4).

For strength and longevity, the PJMA series is built in an enclosed, galvanised steel box with fans mounted on the rear side (one for the 600 W model and two for the 1000 W). The PJMA600F measures 120 x 61 x 215 mm (W x H x D) and has a weight of 2 kg maximum. The PJMA1000F measures 150 x 61 x 240 mm and has a weight of 2,8 kg maximum.

The PJMA series has a five-year warranty and conforms to the European RoHS, REACH and Low Voltage directives.


Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Synchronous step-down power module
26 May 2021, NuVision Electronics , Power Electronics / Power Management
The MPM3650C from Monolithic Power Systems is a fully integrated, high-frequency, synchronous, rectified step-down power module with an internal inductor. It offers a highly compact solution to achieve ...

Read more...
Reliable grounding methods for high-voltage power supplies
26 May 2021, Vepac Electronics , Editor's Choice, Power Electronics / Power Management
Proper ground connections between a power supply, AC mains input and the application’s load are essential for stable, reliable operation, but for HV (high voltage) supplies this is even more crucial. ...

Read more...
PFC controller IC with boost diode
26 May 2021, MB Silicon Systems , Power Electronics / Power Management
Power Integrations’ HiperPFS-4 power factor correction (PFC) controller IC is now available with an integrated Qspeed low reverse recovery charge (Qrr) boost diode. This combination delivers greater than ...

Read more...
Programmable power supplies in new voltage ratings
26 May 2021, Accutronics , Power Electronics / Power Management
New 50 V, 200 V, 400 V and 500 V models have been added to the 5 kW, 10 kW and 15 kW power platforms of the TDK-Lambda Genesys programmable DC power supply series, which target the automotive (component ...

Read more...
Synchronous DC-DC inverting converters
26 May 2021, CST Electronics , Power Electronics / Power Management
The MAX17577 and MAX17578 from Maxim Integrated Products are claimed to be the industry’s smallest, highest-efficiency synchronous inverting DC-DC step-down converters. As Maxim’s first 60 V inverting ...

Read more...
Power module gate driver and isolation board
26 May 2021, NuVision Electronics , Power Electronics / Power Management
The new Si823Hx gate driver board from Silicon Labs is an all-in-one isolation solution perfectly suited for the recently launched Wolfspeed WolfPACK power module. Wolfspeed power modules are used across ...

Read more...
Turnkey DC power rack and cabinet systems
26 May 2021, Vepac Electronics , Power Electronics / Power Management
EA’s flexible high-power DC supplies and electronic loads are integrated into 19-inch rack power supply or closed cabinet solutions and can be cost-effectively adapted to a wide variety of user requirements, ...

Read more...
Laboratory DC power supply
26 May 2021, Vepac Electronics , Power Electronics / Power Management
The newly developed PeakTech 6227 laboratory power supply offers a controllable 0-60 V or 0-6 A d.c. main output with maximum continuous power of 150 W. For developers, it offers two switchable USB outputs ...

Read more...
MOSFET drivers with high current or high voltage
26 May 2021, Future Electronics , Power Electronics / Power Management
Modern industrial automation solutions, energy systems and professional equipment are often extremely specialised devices that require high safety and design flexibility for switching elements like semiconductor ...

Read more...
Range of EMI filters on offer
26 May 2021, Vepac Electronics , Circuit & System Protection
EMI is often a difficult topic to get right for electronics engineers when designing their equipment. Depending on the usage conditions, setup and in some cases where multiple power supplies are used, ...

Read more...