Intersil Corporation is a leader in the design and manufacture of high-performance analog, mixed signal, and power management semiconductors. Intersil's products simplify the design process by integrating functions design engineers need to make their products the best in their markets in a very efficient way. Intersil products include: amplifiers, analog multiplexers, FET drivers, PWM controllers, interface ICs, switches and video ICs.
Intersil's Li-ion Battery Management ICs are an entire range of battery management ICs that address the needs of handheld devices, Mobile Internet Devices (MIDs), laptops, power tools, and many others. This is accomplished with fully integrated solutions for compact applications and with charge controllers for higher power applications. These devices include 3-to-8 Cell Li-ion Battery Pack Monitors (ISL94203), 4-to-6 Cell Li-ion Battery Management Analog Front-End (ISL94208), and Multi-Cell Li-Ion Battery Managers (ISL94212).
Intersil's ISL78419 TFT-LCD Power Supply Regulator is an integrated power management IC (PMIC) for TFT-LCDs used in central display, rear seat entertainment and virtual dashboards. The device integrates a boost converter for generating AVDD, an LDO regulator for VLOGIC. VON and VOFF are generated by a charge pump driven by the switch node of the boost converter. The ISL78419 also includes a VON slice circuit, reset function, and a high performance VCOM amplifier with a Digitally Controlled Potentiometer (DCP) that is used as a VCOM calibrator.
Intersil's ISL37231 Retiming Dual-Channel Transceiver is an advanced dual-channel, dual-simplex retimer for active copper cable applications. Endowed with sophisticated functions, such as media optimized (PCB or Cable) and adaptive equalization, de-emphasis, and signal retiming, this IC fortifies sensitive links that break with lesser retiming solutions. The device contains high performance mixed signal processing technology to provide a maximally robust signal integrity solution for datacenter and consumer applications. The ISL37231 provides this high level of performance while significantly reducing power consumption relative to other active cable solutions.
Intersil's ISL59960 Composite Video Equalizer is a single-channel adaptive equalizer for 960H (WD1) or 720H (D1) composite video designed to automatically compensate for long runs of CAT 5/CAT 6 or RG-59 cable, producing high quality video output with no user interaction. The ISL59960 equalizes up to 4000 feet (1200 meters) of CAT 5/CAT 6 cable. 960MegaQ™ compensates for high frequency cable losses of up to 70dB at 9MHz, as well as source amplitude variations up to ±3dB. The ISL59960 operates from a single +5V supply. Inputs are AC-coupled and internally DC-restored. The output can drive 2VP-P into two source-terminated 75Ω loads (AC-coupled or DC-coupled).
Intersil's ISL78223 Full-Bridge PWM Controller is a high-performance zero-voltage switching (ZVS) full-bridge PWM controller. It achieves ZVS operation by driving the upper bridge FETs at a fixed 50% duty cycle while the lower bridge FETs are trailing-edge modulated with adjustable resonant switching delays. Adding to the ISL78223’s feature set are average current monitoring and soft-start. The average current signal may be used for average current limiting, current sharing circuits and average current mode control. Additionally, the ISL78223 supports both voltage- and current-mode control.
Intersil ISL26102 and ISL26104 analog to digital converters provide a low-noise programmable gain amplifier along with a 24-bit Delta-Sigma Analog-to-Digital Converter with two channel (ISL26102) or four channel (ISL26104) differential, multiplexed inputs. The devices feature conversion rates ranging from 2.5Sps to 4kSps, and use a serial interface for communication.
The on-chip low-noise programmable-gain amplifier provides gains of 1 to 128, which supports ±19.5mVFS from a 5V reference. The high input impedance allows direct connection of sensors to ensure the specified measurement accuracy without additional circuitry.
The Delta-Sigma ADC features a 3rd-order modulator providing up to 21.5 bit noise-free performance (10Sps), with user-selectable word rates. The converter can be operated from an external clock source, an external crystal (typically 4.9152MHz), or the on-chip oscillator.
The ISL26102 comes as a TSSOP-24 package and ISL26104 is available as a TSSOP-28 package.
The devices have a temperature range of -40°C to +105°C).
Intersil ISL29044 ambient light and proximity sensor features an integrated ambient and infrared light-to-digital converter with a built-in IR LED and I2C Interface (SMBus Compatible). The Intersil ISL29044 ambient light sensor uses two independent ADCs for concurrently measuring ambient light and proximity in parallel. The flexible interrupt scheme is designed for minimal microcontroller utilization.
For ambient light sensor (ALS) data conversions, an ADC converts photodiode current (with a light sensitivity range up to 2000 Lux) in 100ms per sample. The ADC rejects 50Hz/60Hz flicker noise caused by artificial light sources.
For proximity sensor (Prox) data conversions, the built-in driver turns on an internal infrared LED and the proximity sensor ADC converts the reflected IR intensity to digital. This ADC rejects ambient IR noise (such as sunlight) and has a 547μs conversion time.
Intersil EL5120T operational amplifiers are high voltage rail-to-rail input-output op amps with low power consumption. The Intersil EL5120T operational amplifier is a single op amp that exhibits beyond the rail input capability, rail-to-rail output capability, and is unity gain stable.
Intersil ISL21090 voltage reference IC is a ultra low noise, high DC accuracy precision voltage reference with a wide input voltage range of 3.7 to 36 Volts. The Intersil ISL21090 voltage reference is packaged as an SOIC-8 and features 0.25% output voltage accuracy, a temperature coefficient of 7ppm/ºC, and a temperature range of -40 to +125ºC. It is ideal for high-end instrumentation, data acquisition and processing applications requiring high DC precision where low noise performance is critical.
Intersil ISL8200AMM DC/DC Power Module is a simple and easy to use high power, current-sharing DC/DC power module for Datacom/Telecom/FPGA applications. All that is needed is the Intersil ISL8200AMM DC/DC power module, a few passive components and one VOUT setting resistor to have a complete 10A design.
Intersil's ZL2106 Digital-DC Synchronous Step-Down DC/DC Converter is a digital power conversion and management IC that combines an integrated synchronous step-down DC/DC converter with key power management functions in a small package, resulting in a flexible and integrated solution. Internal low rDS(ON) synchronous power MOSFETs enable the ZL2106 to deliver continuous loads up to 6A with high efficiency. Power management features such as digital soft-start delay and ramp, sequencing, tracking, and margining can be configured by simple pin-strapping or through an on-chip serial port.
Intersil's ISL8200AM Complete Current Share DC/DC Power Module is a simple and easy to use high power, current-sharing DC/DC power module for Datacom/Telecom/FPGA power hungry applications. All that is needed is the ISL8200AM, a few passive components and one VOUT setting resistor to have a complete 10A design ready for market. The simplicity of the ISL8200AM is in its "Off The Shelf", unassisted implementation versus a discrete implementation. Patented current sharing in multi-phase operation greatly reduces ripple currents, BOM cost and complexity.
Intersil's ISL28133 Single Micropower Operational Amplifier is a single micropower, chopper stabilized operational amplifier that is optimized for single supply operation from 1.8V to 5.5V. Its low supply current of 18µA and wide input range enable the ISL28133 to be an excellent general purpose op amp for a range of applications. The ISL28133 is ideal for handheld devices that operates off 2 AA or single Li-ion batteries.
Intersil's ISL1903/04 Dimmable LED Drivers are high-performance, critical conduction mode (CrCM) single-ended buck (ISL1903) or flyback controller (ISL1904) LED driver controller. They can be used with DC input converters, but also supports single-stage conversion of the AC mains to a constant current source with power factor correction (PFC). The ISL1903 supports buck converter topologies, such as isolated forward converters or non-isolated source return buck converters. The ISL1904 LED driver provides all of the features required for high-performance dimmable LED ballast designs and supports AC or DC input, isolated or non-isolated flyback and boost topologies.
Intersil's ISL97694A 6-Channel LED Driver is a highly integrated 6-channel LED driver for single cell Li-ion battery operated display backlighting. This part maximizes battery life by featuring only 1mA quiescent current, and by operating down to 2.4V input voltage, with no need for higher voltage supplies. The ISL97694A has 6 channels and provides 8-, 10-, or 12-bit PWM dimming with adjustable dimming frequency up to 30kHz, 7.5kHz, or 1.875kHz, respectively, controlled with I2C or PWM input. Typical applications include tablet, notebook PC and smart phone displays LED backlighting.
Intersil's ISL32600E Micro-Power RS-485/RS422 Transceivers are ±15kV IEC61000 ESD protected, micro power, wide supply range transceivers for differential communication. The ISL32600E operates with VCC ≥ 2.7V and has maximum supply current as low as 100µA with both the transmitter (Tx) and receiver (Rx) enabled. Rx inputs feature symmetrical switching thresholds, and up to 65mV of hysteresis, to improve noise immunity and to reduce duty cycle distortion in the presence of slow moving input signals. These transceivers utilize slew rate limited drivers, which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications.
Intersil's ISL28617 40V Precision Instrumentation Amplifier is a high performance, differential input, differential output instrumentation amplifier designed for precision analog to digital applications. It can operate over a supply range of 8V (±4V) to 40V (±20V) and features a differential input voltage range up to ±34V. The output stage has rail-to-rail output drive capability optimized for differential ADC driver applications. Its versatility and small package makes it suitable for a variety of general purpose applications. Additional features not found in other instrumentation amplifiers enable high levels of DC precision and excellent AC performance.
Intersil ISL8022 Dual 2A / 1.7A Synchronous Buck Regulator is a high efficiency, dual synchronous step-down DC/DC regulator that can deliver up to 2A / 1.7A continuous output current per channel. The channels are 180° out-of-phase for input RMS current and EMI reduction. The supply voltage range of 2.8V to 5.5V allows the use of a single Li+ cell, three NiMH cells, or a regulated 5V input. The current mode control architecture enables very low duty cycle operation at high frequency with fast transient response and excellent loop stability. ISL8022 synchronous buck regulator operates at 2.25MHz switching frequency, allowing the use of small, low cost inductors and capacitors. Each channel is optimized for generating an output voltage as low as 0.6V. This Intersil device is idal for use in a variety of applications, including DC/DC POL modules as well as microcontroller / microprocessor, FPGA, and DSP power.
Intersil ISL29023 Integrated Digital Light Sensor with Interrupt is an integrated ambient and infrared light to digital converter with I²C (SMBus compatible) interface. This Intersil device's advanced self-calibrated photodiode array emulates human eye response with excellent IR rejection. The on-chip analog-to-digital converter (ADC) is capable of rejecting 50Hz and 60Hz flicker caused by artificial light sources. The lux range select feature allows users to program the lux range for optimized counts/lux. For ambient light sensing, an internal 16-bit ADC has been designed based upon the charge-balancing technique. The ADC conversion time is nominally 90ms and is user adjustable from 11μs to 90ms, depending on oscillator frequency and ADC resolution. In normal operation, typical current consumption is 70μA. In order to further minimize power consumption, two power-down modes are provided. ISL29023 digital light sensor is ideal for use in a variety of mobile devices, computers, consumer devices, and industrial and medical light sensing.
Intersil's ISL28x08 Precision Rail-to-Rail Output Low Power Op Amps are single, dual and quad low power precision amplifiers optimized for single supply applications. These devices feature a common mode input voltage range extending to 0.5V below the V- rail, a rail-to-rail differential input voltage range for use as a comparator, and rail-to-rail output voltage swing, which make them ideal for single supply applications where input operation at ground is important. Typical applications include precision instruments, medical instrumentation, data acquisition, power supply control and industrial process control.
Intersil's ISL28134 Ultra-Low Noise, Zero Drift Rail-to-Rail Op Amps are a single, chopper-stabilized Zero-Drift operational amplifier that is optimized for single and dual supply operation from 2.25V to 6.0V and ±1.125V and ±3.0V. The ISL28134 uses auto-correction circuitry to provide very low input offset voltage, drift and a reduction of the 1/f noise corner below 0.1Hz. The ISL28134 achieves ultra low offset voltage, offset temperature drift, wide gain bandwidth and rail-to-rail input/output swing while minimizing power consumption.
Intersil's ISL8201M 10A High Efficiency DC/DC Power Module is a 20V, 10A output current, variable output step-down power supply. Included in the 15mmx15mm package is a high performance PWM controller switching at 600kHz, power MOSFETs, an inductor, and all the passive components required for complete DC/DC power solution. The ISL8201M operates over an input voltage range of 1V to 20V and supports an output voltage range of 0.6V to 5V, which is set by a single dividing resistor. This high efficiency power module is capable of delivering 10A (17A peak) output with up to 95% efficiency, needing no heat sinks or airflow to meet power specifications.
Intersil's ISL8204/06M Complete High Efficiency DC/DC Power Modules are a family of pin-compatible power modules to the ISL8201M. These are simple and easy to use, high power DC\DC modules and are ideal for a wide variety of applications. The ISL820xM family of high current DC\DC step-down modules virtually eliminate design and manufacturing risks while dramatically improving time to market. The simplicity is in the family's "Off The Shelf" unassisted implementation. All you need is the ISL820xM for the current requirement of your design, bulk input and output capacitors and one resistor, to program the output voltage, and you have a complete high current power design ready for your market.
Intersil ISL8200M Complete Current Share DC/DC Power Module is a simple and easy to use high power, current-sharing DC\DC power module for Datacom\Telecom\FPGA power hungry applications. All that is needed is the ISL8200M, a few passive components and one VOUT setting resistor to have a complete 10A design ready for market. The ease of use virtually eliminates the design and manufacturing risks while dramatically improving time to market. Typical applications include servers, telecom and datacom applications, industrial and medical equipment, and point of load regulation.