Trending Power Management ICs (PMIC) in 2022

Trending Power Management ICs (PMIC) in 2022

The widespread implementation of Power Management ICs in the consumer electronics market as well as other industry verticals attributed to the substantial demand for Power Management ICs. The increased use of electronic devices and IoT technology by numerous industrial sectors around the world is credited with this expansion. The growing demand for IoT technology and power optimization solutions is driving the adoption of smart grids, energy storage systems, and electric cars globally creating an opportunity for the power management IC market. In this article, everything PE has listed some interesting Power Management ICs that were trending on the website.

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Flyback PWM Controller for Power Adapters and Mobile Devices

The SZ1131 from Silanna Semiconductor is a Flyback PWM Controller that is integrated with ultra-high voltage (UHV) components such as active clamp FET, active clamp driver, and a start-up regulator. It requires an AC input voltage of 90-265 V for operation. The controller delivers an output power of 65 W and has an efficiency of over 95 %. It provides the ease of design of a simple flyback controller with all the benefits of an ACF design, including recycling the leakage inductance energy of the flyback transformer and limiting the primary FET drain voltage spike during the turn-off events. The controller is available in a 16-pin surface-mount package and is ideal for high power density AC/DC power supplies, power adapters, USB-PD/QC AC/DC power adapters, and battery chargers for mobile devices. Read more.


Peak Current Mode PFC Controller IC for Medical Applications

The L4985A from STMicroelectronics is a Peak Current-Mode PFC Controller IC that is designed for boost converters with a proprietary multiplier “emulator” and innovative THD optimizers that guarantee very low Total Harmonic Distortion (THD) performance in all operating conditions. It requires an input voltage of up to +30 V. This PMIC utilizes STMicroelectronics’ proprietary off-time modulator and operates at a quasi-fixed frequency in all operating conditions. It integrates circuitry to discharge the X-capacitors of the EMI filter to a safe level, thereby allowing the unit to meet the safety regulations (such as IEC 61010-1 or IEC 62368-1) without connecting the traditional discharge resistor in parallel with the X-capacitors. The PFC controller offers low consumption and disabled functions that allow it to be used in applications that are supposed to comply with even the latest energy-saving requirements issued by Energy Star, the Department of Energy (DoE) in the United States, the European Code of Conduct, the European Union's Ecodesign Directive, and other guidelines. Read more.


Buck-Boost Ambient Energy Manager Battery Charger

The AEM10300 from e-peas is a Buck-Boost Ambient Energy Manager Battery Charger that is designed to extract DC power from an ambient energy harvesting source to store energy in a storage element. This battery charger extends battery life and eliminates the primary energy storage element in a wide range of applications. It has a selectable voltage from 100 mV to 4.5 V. This PMIC provides open-circuit voltage sensing for maximum power point tracking (MPPT), which then extracts the maximum energy available from the source. It uses its unique cold-start feature to harvest with an input voltage as low as 275 mV and can handle an input power of up to 3 micro-watts. It is available in a surface-mount package that measures 4 x 4 mm and is ideal for asset tracking/monitoring, retail ESL/smart sensors, smart home/building, aftermarket automotive, and industrial applications. Read more.


6 Channel Automotive Qualified Voltage Monitoring IC

The MPQ79500FS from Monolithic Power Systems is an Automotive Qualified 6-Channel Voltage Monitoring IC that is engineered to ensure safe operation in automotive vehicles. This voltage monitoring IC has an input voltage of 2.7 V to 5.5 V. It consists of four single-ended and two differential remote voltage sensing inputs where each input has a programmable over-voltage and under-voltage (OV/UV) thresholds that provide high accuracy for both high frequency (HF) and low frequency (LF) voltage monitoring. This voltage monitoring IC has a selectable low power mode (LPM) operation that results in an extremely low quiescent current. It can conduct recordings of power-sequencing timestamps such as power-up/down and sleep entry/exit features. This IC utilizes the Sync I/O function that enables multi-device sequence synchronization and tagging. Read more.


16-Port GEN 3 Packet Switch for Communication Applications

The PI7C9X3G1632GP from Diodes Incorporated is a 16 Port PCIe GEN3 Packet Switch that has an input voltage of 0.95 V to 1.8 V. It is based on an architecture that allows flexible port configuration by allocating variable lane width for each port. This switch consists of a tile containing 8 ports and 16 lanes and is in-built with 2 tiles that are connected by internal signal paths. It can be configured to have different port types such as upstream and downstream ports to support various port configurations for fan-out applications in either single switch or dual-switch partition modes. This switch protects end-to-end data link with ECC, and other error handling mechanisms to ensure reliability and optimum performance. It is available in a chip package that measures 27 x 27 mm and is ideal for multiple-host and communication applications. Read more.


Advanced PFC Controller IC for Industrial & Home Applications

The PFS5173F from Power Integrations is an Advanced Power Factor Correction (PFC) Controller IC that is optimized to provide high power factor and efficiency across the load range. It has an input voltage from 90-305 V. This PFC controller IC offers a high integration level and uses a novel quasi-resonant DCM control algorithm that results in low switching losses, and reduced inductor size than conventional power factor ICs. It integrates an automatic capacitor discharge device and a high-voltage start-up mechanism to provide self-biasing for the circuit. This PMIC allows the user to select the power limit that enables rapid prototyping of different test sizes using the same design, thereby resulting in rapid optimization. It uses a digital line-peak-detector to deliver optimum performance even when the input voltage generated from UPS or generators is distorted. Read more.


GaN HEMT PMIC for Power Supplies & Charging Applications

The TP44100NM from Tagore Technology is a GaN HEMT PMIC that is suitable for high-frequency LLC converters, mobile chargers, laptop adapters, LED and motor drives, server power supplies, and AC-DC converters, DC-DC converters, DC-AC converters, and PFC applications. This PMIC monolithically integrates a driver circuit to minimize the inductance in the gate loop, thereby enabling safe and clean switching even at high-voltage and high-frequency operations. It externally connects a resistance between Vreg and RG to control the drain voltage slew rate and achieve the best EMI performance. The PMIC consists of UVLO protection to turn off the HEMT to prevent false operation and a dv/dt protection circuitry to protect it from drain-dv/dt induced false induced turn-on events even in the absence of drain supply. This RoHS-compliant PMIC is available in a surface-mount package that measures 5 x 7 x 0.85 mm. Read more.


Automotive Qualified Dual-Output Voltage Detector IC

The BD48HW0G-CTR from ROHM Semiconductor is an Automotive-Qualified Dual Output ADJ Type Window Voltage Detector IC that is designed to provide voltage detection functions for all automotive devices. This PMIC requires an input voltage of 1.8 - 40 V. It is a very small, lightweight, and thin device solution that is manufactured using the CMOS process, thereby resulting in low current consumption. This AEC-Q100-qualified PMIC integrates a dual N-channel open drain output and adjusts the detection voltage set using external resistors. It is equipped with over-voltage and under-voltage protection circuits to prevent false trigger and short-circuit-related damages. The voltage detector IC is available in a surface-mount package that measures 2.9 mm x 2.8 mm x 1.25 mm and is ideal for automotive applications. Read more.


Integrated Flyback Controller IC for Power Supply Applications

The HL9750FN01 from Elevation Semiconductor is a Power Management IC that requires an input voltage of up to 26.5 V. It consists of MOSFET integrated with a synchronous rectifier (SR) controller and is designed for isolated flyback converter systems. This PMIC supports operation in discontinuous conduction mode (DCM), quasi-resonant (QR) mode, and continuous conduction mode (CCM) and uses a proprietary CCM SR-turn-off control algorithm to efficiently control the power delivered to the device. It integrates a control circuitry to turn on the gate of synchronous rectification (SR) MOSFET in the forward mode as well as turn off the gate when the current drops to a certain value. It is available in a surface-mount package that measures 5 x 6 mm and is ideal for power adapters for portable devices, flyback power supplies with fixed or variable output voltage, and USB PD quick chargers for smartphones, feature phones, and tablet PC applications. Read more.


Energy Harvesting PMIC for Wearable and IoT Applications

The NH2D0245 from Nowi is an Energy Harvesting Power Management IC that is designed to harvest and deliver the extracted energy for low-power applications. It requires an input voltage of 2.5 - 4.5 V. This PMIC is an energy harvesting solution that harvests the energy generated by a source such as a photo-voltaic (PV) cell, or a piezo-electric harvester with a rectifier and uses this energy to charge a storage element such as a rechargeable battery or a supercapacitor. This PMIC embeds a hill-climbing algorithm on the advanced maximum power point tracking (MPPT) circuit that results in maximum power being delivered to the load. The MPPT integrated into the device is independent of specific characteristics of the harvesters and thus, any harvester that fits the specifications of the chip can be used. This PMIC is available in a surface-mount package that measures 3 x 3 mm and is ideal for wireless IoT devices, smart remote controls, beacons, wearable devices, electronic shelf labels, industrial and environmental monitoring, and consumer electronic applications. Read more.