Announcements

PREMA Semiconductor GmbH has promoted these products / services:

PREMA Semiconductor GmbH - PR5001-IR

Dual Photodiode PR5001-IR with Filter

Dual Photodiode PR5001-IR with FilterThe PR5001-IR is a dual-element Si photodiode moulded into a small plastic leadless optical package. Produced as one chip, the photodiodes offer a very good symmetry, low dark current and high sensitivity for near infrared light (read more)

PREMA Semiconductor GmbH - PR5001/-ARC

PR5001 is a dual-element Si photodiode moulded into a small plastic leadless optical package. Produced as one chip, the photodiodes offer a very good symmetry, low dark current and high sensitivity. (read more)

PREMA Semiconductor GmbH - PREMA IC PR5030

Two Triangular shaped Silicon Junctions

PREMA IC PR5030

PR5030 is a dual silicon photodiode with two separate cathodes and one common anode. (read more)

PREMA Semiconductor GmbH - PR2202 80V-High Voltage Operational Amplifier

The high voltage operational amplifier PR2202 works for supply voltages of up to 80V single supply or up to ±40V and a maximum output current of ±6mA. The temperature increase of the component remains small in spite of the high voltages due to the low quiescent current of only 500µA. (read more)

PREMA Semiconductor GmbH - Dual-Photodiode with a Common Cathode

Dual-Photodiode with a common anode. PREMA IC PR5010 is a double silicon photodiode with two symmetrical anodes and a common cathode, sensitive for visible light. The cathode forms an additional photodiode to the substrate that is sensitive for infrared light. (read more)

PREMA Semiconductor GmbH - Thinned and Back-side Illuminated Photodiodes

Prema's article on Thinned and Back-side Illuminated Photodiodes discusses how wireless retina implants electrostimulate ganglion cells by photodiodes embedded in a foil substrate. Spectral sensitivities up to 0,18W/A are measured for thinned and back-side illuminated Photodiodes that are applied. (read more)

PREMA Semiconductor GmbH - Adapt Photodiode of IC's to Customized Resolutions

For higher flexibility at lower production volumes, PR5201 uses a reticle to adapt the photodiodes of the IC to customized resolutions and radii for A/B and Z channel. PR5201 includes a LED current control. (read more)

PREMA Semiconductor GmbH - IC Sensor to Detect The Position Of a Light Source

PR5510 can detect the lateral position of a light spot on the sensor. It consists of triangular photo­diodes with reciprocal orientation, to­geth­er with a differential transimpedance amplifier. If illuminated uniformly, the output is Vcc/2; if the light is biased towards one of the triangles, the output i... (read more)

PREMA Semiconductor GmbH - 40V Buck Converter for LED Lamps - PR4101

PR4101 is a buckdriver for up to 40V input voltage. Its versatility and its dimming input make it ideal for halogen lamp replacement and general lighting. PR4101 is offered in SO-08 and SO-14 package, as well as a smaller variant in a tiny SOT23-5L package. Versatility and high power are key features of these LED drivers, which can also be used as proven standard cells in an ASIC project. (read more)

PREMA Semiconductor GmbH - 0.9V- Boost Driver for White LEDs PR4401/4402

PR4401 andPR4402 are LED boost converters in a tinySOT23 package that drive white LEDs from a single battery cell. Output currents of 20mA (PR 4401) and40mA (PR 4402) can be achieved. The only other component needed is an inductor. A cleverly devised control circuit produces a constant output current. (read more)

PREMA Semiconductor GmbH - PREMA in Munich - electronica 2018

PREMA at the electronica 2018ASIC Design & Production - Opto ICs - Production Service

PREMA Semiconductor GmbH is located in a new hall at the electronica in Munich:
You can find us from 13th till 16th November 2018 in Hall C4, Stand 444 — easy to remember and easy to find at the entrance from hall B4. (read more)

PREMA Semiconductor GmbH - Sensor Solutions for Optical Encoders

PREMA PR5101 and PR5201 Photosensor ICs for Optical Quadrature Encoders can be used in a wide range of encoders. They excel with quick assembly, high resolutions without interpolation, an innovative method to produce a sharp Z (index) pulse, and high performance of photocurrent amplifiers allowing a low LED current. (read more)

PREMA Semiconductor GmbH - LED Driver for Solar Lamps - PR4403

PR4403 drives and controls white LEDs out of one single battery charged by solar cells. Using the ON/OFF pin, the LED driver is suitable for operating solar lamps that switch on after sunset automatically. A solar cell in combination with a recharchable battery enables a on-going operation. An additional photodiode becomes dispensable. (read more)

PREMA Semiconductor GmbH - Services for an ASIC Project

In a production hall with an area of 8000m², PREMA has all process steps required for prototype and high-volume wafer production inhouse. To offer quick prototype cycles we also have an e-beam mask writer that allows us to quickly proceed from layout data to first silicon. Also wafer probing and chip test are located in our building. (read more)

PREMA Semiconductor GmbH - PREMA Semiconductor Process for Analog Circuits

Real life is analog, so all circuits need to adapt to the analog world. To support the increasing demand, PREMA has developed a unique semiconductor process, optimized for the needs of analog circuits. Copy Protection by Process (read more)

News articles and press releases for PREMA Semiconductor GmbH:

10/15/2018

PREMA at the electronica 2018 ASIC Design & Production - Opto ICs - Production Service 13th till 16th November 2018 in Hall C4, Stand 444

03/06/2015

During 17-19 March 2015, PREMA will exhibit at the "electronica China 2015", in Shanghai.

10/24/2014

PREMA Semiconductor will present their analog and mixed-signal ASICs as well as new standard ICs, during electronica's 50th anniversary.

10/18/2012

PREMA Semiconductor will be exhibiting at electronica 2012, the 25th International Trade Fair for Electronic Components, Systems and Applications in Munich, November 13-16, 2012. Come see us at Hall A4 - stand 406.

10/05/2010

Mainz, Germany, October 5th, 2010 PREMA Semiconductor is exhibiting at this year's electronica in Munich from 9th to 12th November 2010. Our location: Hall A4, Booth A4-406.

05/13/2009

The new PREMA high voltage operational amplifier PR2201 for supply voltages of up to 80V single supply or up to ±40V with a maximum output current of ±6mA is now available.

06/23/2008

The new inductive converter PR4101 drives single or multiple LEDs with currents from 100mA up to several amps, depending on the configuration of external components, from a supply voltage of 9V up to 40V.

01/31/2008

PREMA Semiconductor proudly announces the release of their first optical standard component PR5001, a dual photo diode for the near infrared range with minimum footprint.

11/26/2007

New PR4403 drives and controls white LEDs out of one single battery charged by solar cells.

09/20/2006

PREMA Semiconductor is exhibiting at electronica in Munich from Nov. 14-17, 2006. See us at: Hall A4, Booth A4-406.

03/30/2006

The core of the new driver PR4401 consists of a step-up converter with current output, that provides an output voltage of typically 3.6V for white LEDs. The input voltage can be as low as 0.9V, thus allowing a single cell battery operation.

08/05/2005

Standard light sources such as bulbs are replaced by LEDs or LED strings in more and more applications now. The ASIC manufacturer PREMA Semiconductor offers the new constant current driver PR4130 controlling up to three LEDs in series.

03/24/2005

For the application in custom specific ICs, PREMA Semiconductor GmbH has designed the new high voltage operational amplifier OP601VHV for supply voltages of up to ±60V or up to 120V single supply.