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Analog & Power Management

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onsemi Analog & Power management solutions for a smarter world

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

Why choose onsemi for new Analog & Power management solutions? Take look at our key products

Strict regulations and growing environmental awareness are continuing to drive a critical aspect of power electronics; high efficiency, together with high power density. onsemi has recently released three new devices to help customers solve these demanding design challenges.

EBV - Analog and Power - onsemi Tabs

NCP1680
NCP1362
NCP51561
NCP1341/2

NCP1680: Industry's first dedicated critical conduction mode (CrM) totem pole PFC controller

Features	Benefits
Totem Pole PFC Topology Eliminates Input Diode Bridge Critical Conduction Mode (CRM) Operation Discontinuous Conduction Mode (DCM) with Valley Turn On Under Light Load Condition Frequency Foldback in DCM With 25 kHz Minimum Frequency Skip Mode in Very Light Load Condition Proprietary Current Sense Scheme AC Line Monitoring Circuit & AC Phase Detection Near Unity Power Factor in All Operating Modes PFC OK Indicator	Enables High Efficiency & Compact Design Optimized Performance Across Power Levels Prevents Operation in Audible Range Complies with Energy Efficiency Regulatory Standards Cycle-by-Cycle Current Limit Without Hall Effect Sensor Simplifies Design & Reduces External Components Allows Communication with Downstream Converter to Optimize System Performance

Features

Benefits

Totem Pole PFC Topology Eliminates Input Diode Bridge
Critical Conduction Mode (CRM) Operation
Discontinuous Conduction Mode (DCM) with Valley Turn On Under Light Load Condition
Frequency Foldback in DCM With 25 kHz Minimum Frequency
Skip Mode in Very Light Load Condition
Proprietary Current Sense Scheme
AC Line Monitoring Circuit & AC Phase Detection
Near Unity Power Factor in All Operating Modes
PFC OK Indicator

Enables High Efficiency & Compact Design
Optimized Performance Across Power Levels
Prevents Operation in Audible Range
Complies with Energy Efficiency Regulatory Standards
Cycle-by-Cycle Current Limit Without Hall Effect Sensor
Simplifies Design & Reduces External Components
Allows Communication with Downstream Converter to Optimize System Performance

Application:

Offline Power Supply
Industrial Power Supplies
Computing Power Supplies
Networking Power Supplies
Gaming Console Power Supplies
Telecom 5G Power Supplies
Power Factor Correction

End products:

Industrial Power Supplies
Telecom 5G Power
Networking Power
Gaming Console Power Supplies
UHD TV Power Supplies
Computing Power Supplies

Find out more about NCP1680 here!

NCP1362: Primary side PWM controller for low power offline SMPS

Features	Benefits
Quasi−Resonant with Valley Switching Operation Maximum Frequency Clamp (No Clamp, 80, 110 and 140 kHz) Frequency Jittering LFF and BO Feature on a Dedicated Pin Dual Frozen Peak Current Constant Voltage Primary−Side Regulation < ±5% Constant Current Primary−Side Regulation < ±5%	High Efficiency Operation Flexible Design Options Improved EMI Signature Enables Robust Designs Optimize Light Load Efficiency and Stand−by Performance

Applications:

Low Power AC/DC Adapters
Industrial Auxiliary Power

End products:

Battery Chargers
Set-top Box
Auxiliary Power

Find out more about NCP1362 here!

NCP51561: 5 kV RMS isolated dual channel 4.5/9 A gate driver designed for fast switching to drive Si and SiC MOSFETs

Features	Benefits
4.5-A Peak Source, 9-A Peak Sink Output Current Capability Output Supply Voltage from 6.5 V to 30 V with 5-V, 8-V, and 17-V UVLO threshold Propagation Delay Typical 36 ns with 8 ns Max Delay Matching per channel User Programmable Input Logic for Single or Dual-input modes via ANB Common Mode Transient Immunity CMTI > 200 V/ns 5 kVRMS Galvanic Isolation from input to each output & 1200 V peak differential voltage between output channels User Programmable Dead-Time Enable or Disable pin	Improve efficiency and allow direct drive of high power switches Offer proper protections for both MOSFET's and SiC FET Very good signal integrity and fit with fast switching speed applications Offer flexibility in design and topologies Improved robustness in fast slew rate high voltage and high current switching applications Provide safety and protection in applications requiring high isolation level Allow full control of output behavior according to selected topologies Increased compatibility

Features

Benefits

4.5-A Peak Source, 9-A Peak Sink Output Current Capability
Output Supply Voltage from 6.5 V to 30 V with 5-V, 8-V, and 17-V UVLO threshold
Propagation Delay Typical 36 ns with 8 ns Max Delay Matching per channel
User Programmable Input Logic for Single or Dual-input modes via ANB
Common Mode Transient Immunity CMTI > 200 V/ns
5 kVRMS Galvanic Isolation from input to each output & 1200 V peak differential voltage between output channels
User Programmable Dead-Time
Enable or Disable pin

Improve efficiency and allow direct drive of high power switches
Offer proper protections for both MOSFET's and SiC FET
Very good signal integrity and fit with fast switching speed applications
Offer flexibility in design and topologies
Improved robustness in fast slew rate high voltage and high current switching applications
Provide safety and protection in applications requiring high isolation level
Allow full control of output behavior according to selected topologies
Increased compatibility

Applications:

Isolated Converters in DC-DC and AC-DC Power Supply
Server & Telecom Power supply
Industrial Drives

End products:

High Power DC/DC converters
Data Servers & Telecom Power bricks
UPS
Motor Drives

Find out more about NCP51561 here!

NCP1341/2: Highly integrated quasi−resonant flyback controller high−performance off−line power converters

Features	Benefits
QR Frequency Jittering New Quiet-Skip Technology Integrated HV Startup with Brownout Protection Valley Switching Operation with Valley Lockout Integrated X2 Capacitor Discharge Capability NTC Compatible Fault Pin High Drive Capability: -500 mA / +800 mA Latch input for OVP and OTP implementations	Reduces EMI Signature Ensures Operation Outside Audible Range Provides an efficient power-on source and protects against drops in input mains voltage Maximizing the efficiency over the entire power range Eliminates the need for a X2 resistors Extra protection against high temperature or other fault conditions Enables faster switching of primary-side MOSFET Simple implementation of required protection functions Minimize transformer size in designs requiring high transient load capability

Features

Benefits

QR Frequency Jittering
New Quiet-Skip Technology
Integrated HV Startup with Brownout Protection
Valley Switching Operation with Valley Lockout
Integrated X2 Capacitor Discharge Capability
NTC Compatible Fault Pin
High Drive Capability: -500 mA / +800 mA
Latch input for OVP and OTP implementations

Reduces EMI Signature
Ensures Operation Outside Audible Range
Provides an efficient power-on source and protects against drops in input mains voltage
Maximizing the efficiency over the entire power range
Eliminates the need for a X2 resistors
Extra protection against high temperature or other fault conditions
Enables faster switching of primary-side MOSFET
Simple implementation of required protection functions
Minimize transformer size in designs requiring high transient load capability

Applications:

Medium or High Power AC-DC Adapters
Ultra High Density AC-DC Adapters
Computer Power Supplies
Phone and Tablet Adapters

End products:

Notebook Adapters
Flat TV SMPS
Computer Power Supplies
Phone and Tablet Adapters

Find out more about NCP1341/2 here!

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EBV Power Fair 2022

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