LSI Computer Systems, Inc. (LSI/CSI)
Find the right IC for your next design
The first fabless Semiconductor Company offering Custom ASICs & Standard ICs in a variety of industries
Custom ASICs Revolutionary LED Drivers Cutting Edge Motor Controllers Differential Line Drivers Programmable Timers PIR Motion Detection Interface Circuits Programmable Digital Locks Frequency Dividers
Full Custom & Standard Integrated Circuits
As a fabless semiconductor company, we are in charge of design, development, and testing for our products
Standard ICs
Our wide selection of standard products are trusted in several high volume and niche industries and come with the same high level of technical support provided for our Full Custom ICs.
Custom ASICs
LSI/CSI offers turnkey development of mixed signal, full custom ICs. An LSI/CSI full custom design results in the highest performance custom chip at the lowest possible price for a high volume application.
New Products
Check out our latest ICs
LS7866
32-Bit Quadrature Counter w/ I2C Interface (14-Pins)
Incremental Encoder Interface, Counters
LS7866 is a monolithic CMOS 32-bit counter, programmable to operate in 8-bit, 16-bit, 24-bit or 32-bit modular structures. Inputs are provided to interface directly with the quadrature clocks and the index markers from incremental encoders.
LS7641
Reverse Phase (Trailing-Edge) Light Dimmer For LED Lamps (14-Pins)
LED Drivers, Lighting Controls
LS7641 is a monolithic CMOS lamp dimmer IC designed for in line wall switch applications driving both LED and incandescent lamps. It uses Reverse Phase dimming technology wherein the brightness of a lamp is controlled by controlling the turn-off angle in ac half cycles using a FET.
LS9200
Dimmable LED Driver (8 Pins)
LED Drivers
LS9200 is a monolithic CMOS device for driving and dimming LED networks. The regulated constant current is maintained with an external sense resistor forming part of a feedback loop. The maximum LED load current is set by the sense resistor whose duty cycle can be modulated with a built in PWM circuit.
LS7190; LS7191; LS7192
Digital Potentiometers (14 Pins)
3-terminal digital potentiometer with two fixed terminals and a variable wiper terminal with 64 tap positions
The wiper tap position can be varied with any of the following available input signals: up/down clock or A/B quadrature clock or direct data transfer over SPI bus.
LS7193; LS7194
Digital Potentiometers (8 Pins)
3-terminal digital potentiometer with two fixed terminals and a variable wiper terminal with 64 tap positions
The wiper tap position can be varied with one of the following input signals: up/down clock or A/B quadrature clock.
LS7195
Digital Potentiometers (8 Pins)
3-terminal digital potentiometer with two fixed terminals and a variable wiper terminal with 64 tap positions
Available in 20K, 50K and 100K resistor versions. Non-debounced up(A) and down(B) inputs are provided for rapid wiper sweep.
Introducing the LS7866: A Cutting-Edge 32-Bit Quadrature Counter with I2C Interface
FOR IMMEDIATE RELEASE Melville, NY – LSI/CSI (lsicsi.com), a renowned leader in semiconductor technology, proudly
LS7272B – 30 VOLT QUAD-CHANNEL DIFFERENTIAL LINE DRIVER
MELVILLE, NY – LSI/CSI (lsicsi.com) announces the availability of a new, short-circuit-proof Quad Differential Industrial
LS7372 – Differential Line Receiver
MELVILLE, NY – LSI/CSI (lsicsi.com) announces the availability of a new, Differential Line Receiver. Designated
Our Brand New LS7190
Featured Product
Digital Potentiometer /Rheostat with Incremental Encoder and SPI Interface
GENERAL DESCRIPTION:
LS7190, LS7191, LS7192, LS7193, LS7194, and LS7195 are versions of a three-terminal digital potentiometer.
LS9100X Direct-AC LED Driver IC
The X010-10P0L-30 is a complete and thoroughly integrated evaluation board that features the LS9100X direct-AC LED driver.
The Archimedes Series is designed to be driven directly off the 120VAC line voltage, eliminating the standard power supply and extending the long-term life of the product. The high-power factor can provide enhanced energy savings to the end application.
The smaller form factor provides significant flexibility in creative fixture design and reduces development time. This all-inclusive solution provides impressive performance for distributed light source applications in conjunction with the quality of light.
This board will simplify your evaluation process and development time by providing you with a premium design ready for testing.
LS9100X – Only Integrated Circuit Chip to Achieve Excellent Sapphire Score in 2018
The LEDsMagazine Sapphire Awards program recognizes the most innovative LED-based products in the lighting industry. LSI/CSI’s LS9100X (Archimedes Series) Direct-AC LED Driver IC recorded the
Cutting Edge Industrial Solutions
Our broad portfolio of technologies and products will make your next design a success
LED Drivers
Timers
Timers
Encoder Interface
Lighting Controls
Lighting Controls
Counters
Counters
PIR Detection
PIR Detection
LS7366R 32-bit CMOS Counter with SPI
LS7560F / LS7561F Brushless DC Motor Controller
50+ Years of Excellence
LSI/CSI is the world’s first fabless semiconductor company! The two founders, Alvin Kaplan and Attila Tetik, worked together at General Instrument Microelectronics and in 1969 they were assigned to develop three full custom CPU circuits for CDC in Minneapolis, MN.
