Power Management ICs

Low-power RS-485/RS-422 transceiver with ±15kV ESD protection, 120µA quiescent current, and slew-rate limiting for error-free data transmission up to 250kbps. Ideal for harsh industrial environments. Available in multiple temperature ranges and packages.

The U2044B-M dual output flasher IC features temperature-compensated flashing frequency, frequency doubling for lamp outage indication, and two high-current relay driver outputs. With ultra-low current consumption under 10 µA and ISO/TR7637/1 level 4 protection, it ensures reliable automotive flasher operation.

The NCP1252 is a peak current mode PWM controller for cost-effective AC-DC switching supplies. Features adjustable frequency up to 500kHz, brown-out protection, and 160ns leading edge blanking. Available in Pb-free SOIC-8 package. Ideal for ATX power supplies and flyback converters.

High-efficiency SIMPLE SWITCHER buck regulator drives 3A load with excellent line and load regulation. Adjustable output from 1.23V to 57V, wide input up to 60V. Features thermal shutdown, current limit, and low standby current. Requires only 4 external components.

KA34063A monolithic regulator IC for DC to DC conversion. Features 3V to 40V input, 1.5A output switch current, short circuit protection, and adjustable output. Ideal for step-up, step-down, or inverting regulators. Reliable and efficient for industrial power supply designs.

The DS2438Z+ integrates a unique 64-bit serial number, on-chip temperature sensor, A/D converter for voltage monitoring, and current accumulator for fuel gauging. Ideal for portable electronics. Operating range -40°C to +85°C. 40-byte nonvolatile memory for battery data storage.

The UC3854DW provides active power factor correction up to 0.99 with less than 5% line current distortion. Features average current-mode control, fixed-frequency PWM up to 200kHz, and a 1A gate driver. Ideal for 75V–275V AC systems. Available in 16-pin SOIC package.

Fully-integrated processor supervisor with precision voltage monitor, adjustable watchdog timer (150ms-1.2s), and debounced manual reset. No external components needed. Ideal for computers, controllers, and automotive systems. Reliable power-on reset ensures stable startup.

STEF12PUR electronic fuse for 12V lines with 3.6A continuous current. Features Enable/Fault functions, overcurrent and overvoltage protection, thermal latch at 165°C, and DFN10 package. Ideal for HDDs, SSDs, and set-top boxes.

High efficiency step-down regulator with up to 94% efficiency and 150 mΩ DMOS switch. Supports 3.3V, 5V, 12V fixed or adjustable output from 1.2V to 37V. Features thermal shutdown, current limiting, and 50µA standby. Ideal for battery chargers and pre-regulators.

The VND5E050AJ is a dual high-side driver with analog current sense for 12V automotive loads. Features inrush management, low standby current, 3V/5V CMOS inputs, and enhanced diagnostics. Ideal for robust automotive applications.

High-voltage synchronous buck controller with 10V to 55V input range. Features programmable soft-start, UVLO, frequency, and current limit. Includes anti-cross conduction gate drivers for P-channel and N-channel MOSFETs. Ideal for robust industrial power designs.

High efficiency step-down regulator with up to 92% efficiency and 5A output current. Features adjustable output from 1.2V to 37V, wide 8V to 40V input range, and 260 kHz fixed frequency. Ideal for battery chargers and system pre-regulators.

The LP2980IM5X-3.3 is a 50 mA fixed-output voltage regulator with ultra low dropout (120 mV typical at full load). Designed for battery-powered devices, it requires only 1 μF output capacitance and features

High current 1.5A LDO voltage regulator with ultra-low 0.4V dropout. Features fixed/adjustable output, internal current/thermal limit, and logic shutdown. Ideal for post-regulation, battery-powered systems, and industrial power supplies.

The LM3940IMP-3.3 is a 1A low dropout regulator converting 5V to 3.3V with high efficiency. Features built-in thermal and short circuit protection, excellent load regulation, and requires only one external component. Ideal for laptops and logic systems. Available in TO-263 package.

High-efficiency PWM buck regulator with 4.5V-42V input range, 600mA output, and 0.9Ω internal switch. Features 1.25MHz switching frequency, thermal shutdown, and undervoltage lockout. Ideal for battery-powered and industrial applications. Available in compact TSOT-6L package.

High-side current-shunt monitor with voltage output, 500kHz bandwidth, and 3.5% max error over temperature. Features internal 0.6V reference, open-drain comparator, and latching capability. Common-mode range -16V to +80V. Ideal for telecom, automotive, and power management. Available in MSOP-8 and SO-8 packages.

High-frequency 600kHz PWM switching regulator controller IC with built-in pre-driver for power MOS FETs. Features ON/OFF timer function, under voltage lockout, and soft start for reliable AC-DC conversion. Ideal for industrial power supplies requiring high safety and efficiency.

High accuracy high-side current sense monitor with 1% typical accuracy and 300nA offset. Wide 2.5V-20V supply range, low 3.5µA quiescent current. Ideal for battery chargers, power management, and overcurrent monitoring in SOT23-5 package.