Circuits

LED Driver enables lighting effects in portable applications.

LED Driver enables lighting effects in portable applications.

Housed in 2.6 x 2.6 mm WL-CSP package, Model AS3665 offers 9 LED channels with up to 25 mA per channel. Dedicated 12-bit PWM for each channel delivers smooth color effects, enabling linear, logarithmic, and ratiometric fading effects. PWM generators have 3 sequencers and 1.5 kbit memory, allowing storage and processing of complex light patterns without external processors. With audio...

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Automotive Systems ICs enhance in-vehicle networks.

Series UJA107x, comprised of CAN/LIN System Basis Chips for in-vehicle networks, optimizes performance and power consumption of ECUs for various automotive applications. Featuring CAN and LIN transceivers as well as scalable voltage regulator for onboard MCU and peripherals, products offer ESD protection and EMC performance to address OEM reliability requirements. Stand-by and quiescent current...

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Security Module ICs provides solution for system designers.

VaultIC(TM) security modules feature AT90SO secureAVR® microcontrollers, multiple interfaces, 128 KB of configurable EEPROM memory, and bundled firmware. They include interface with rapid computation of all standard cryptography algorithms and meet Common Criteria EAL4+ and FIPS 140-2 level 3 certifications. Available in SOIC8 and QFN44 packages, units are suited for use in femtocells, smart...

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Circuit Protector suit space-constrained board designs.

Circuit Protector suit space-constrained board designs.

Measuring 1.6 x 0.8 x 0.5 mm, femtoSMDC016F protects sensitive electronics from damage caused by overcurrent and overtemperature events. Time-to-trip (0.10 sec at +25° and 1 A) and resettable functionality promote reliability of portable electronics. Rated at 9 V, industry-standard SMT 0603 device provides hold current of 0.16 A, max fault current rating of 40 A, and max resistance of 4.2 W. It...

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DC/DC Converter IC offers fast transient times.

DC/DC Converter IC offers fast transient times.

Model MB39A145, 2-channel DC/DC converter IC utilizes bottom detection comparator method that compares output voltage to reference voltage using high-speed comparator, minimizing variations in output voltage when load is high. Pulse Frequency Modulation function reduces power that is used during operation below 100 mA or in stand-by mode. Operating in temperatures from -30 to +85°C, unit has...

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Digital Optocoupler suits signal isolation interfaces.

Digital Optocoupler suits signal isolation interfaces.

Available in SO-5 package, 1 MBd Model ACPL-M50L supports supply range from 2.7-24 V and is driven by low forward drive current of greater than 3 mA with high current transfer ratio greater than 80%, allowing direct drive from microcontroller without need to add buffer chip. Single-channel optocoupler features low propagation delay of 1 msec max. Operating from -40 to +105°C, TTL compatible...

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DC/DC Converter features integrated boost diode.

Operating from 4.3-38 V input voltage, Model LT3971 features Burst Mode® operation, which keeps quiescent current under 2.8 -µA in no load standby conditions. Internal 2.4 A switch can deliver up to 1.2 A of continuous output current to voltages as low as 1.19 V. Switching frequency is user programmable from 200 kHz to 2 MHz. Housed in 10-lead 3 x 3 mm DFN-10 package, step-down switching...

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Sensor Interface IC is automotive qualified to AECQ100.

Sensor Interface IC is automotive qualified to AECQ100.

Model AS1716 sensor interface incorporates all analog functions on-chip to provide interface for piezoelectric capacitive sensors. Operating from 4.5-5.5 V supply, unit includes differential inputs; first order low-pass filter; differential-to-single-ended conversion; programmable gain stage; and 2-pole, low-pass multiple feedback filter. It interfaces with sample/hold input stages and analog...

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Power Management Devices offer hot swap support.

Integrating charge pumps with programmable current, Models ispPAC®-POWR1014-2 and ispPAC-POWR1014A-2 control MOSFETs in hot swap and sequencing applications. POWR1014-2 combines 24 macrocell PLD and dual precision voltage monitoring comparators with accuracy of 0.3%, while POWR1014A-2 also integrates 10-bit ADC for voltage measurements and I2C interface that enables microcontroller to read...

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DC/DC Controller offers differential output voltage sensing.

Operating with all N-channel MOSFETs from 4.5-38 V input voltages, Model LTC3855 produces output voltages from 0.6-12.5 V with ±0.75% accuracy. Dual output, synchronous step-down controller provides up to 95% efficiency. Up to 12 phases can be paralleled and clocked out of phase to minimize I/O filtering requirements for applications up to 200 A. Fixed operating frequency can be programmed from...

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