Power management

PWM controllers & resonant controllers – Applications

Learn about PWM and Resonant Controller in the following application areas:

Communications

Built on longstanding and ongoing collaborative relationships with global equipment manufacturers, service providers and infrastructure operators, TI has become the leading technology provider to the communications and telecom industry. TI's portfolio of PWM controllers touches every corner of the communications industry, solving common problems with tested solutions developed by TI experts.

communications-application
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Wireless infrastructure

End equipment
Featured reference designs
Key product
Key features

-Pico base station

-Femto base station

-Mobile BTS (RAN, MSS, 3G Packet Core, HLR)

-Tetra base station

UPOE high-efficiency flyback converter (19V/2.3A) for forced 4-Pair PoE PD apps reference design UCC2897A

-Advanced current-mode active clamp PWM controller

-High-performance 1-MHz synchronizable oscillator with internal timing capacitor

-Precise programmable maximum duty CycleLow-output jitter

-Soft-stop shutdown

-110-V input startup function

-Peak current-mode control with 0.5-V cycle-by-cycle current limiting

-TrueDrive 2-A sink, 2-A source outputs

-Programmable slope compensation

Dual-channel full-bridge converter (54V @ 30A) for PoE power sourcing (PSE) UCC28950

-Enhanced phase-shifted full-bridge controller with synchronous rectification

-Wide range resonant zero voltage switching (ZVS) capability

-Light-load efficiency management

-Average or peak current mode control and voltage mode control

-Closed loop soft start and enable function

-Programmable switching frequency up to 1 MHz

-(+/–3%) cycle-by-cycle current limit protection with hiccup mode support

-150-µA start-up current

-VDD under voltage lockout

-Wide temperature range –40°C to 125°C

18V-36Vdc input, 5V/30W active clamp forward reference design LM5025A

-Active clamp voltage mode controller

-Internal start-up bias regulator

-3A compound main gate driver

-Programmable line under-voltage lockout (UVLO) with adjustable hysteresis

-Voltage mode control with feed-forward

-Adjustable dual mode over-current protection

-Programmable overlap or deadtime between the main and active clamp outputs

-Volt x second clamp

-Programmable soft-start

-Leading edge blanking

-Single resistor programmable oscillator

-Oscillator up / down sync capability

-Precision 5V reference

-Thermal shutdown

Evaluation board for the LM5035C LM5035

-PWM controller with integrated half-bridge and SyncFET drivers

-105V / 2A half-bridge gate drivers

-Synchronous rectifier control outputs with programmable delays

-High voltage (105V) start-up regulator

-Voltage mode control with line feed-forward and volt • second limiting

-Resistor programmed, 2MHz capable oscillator

-Patent pending oscillator synchronization

-Programmable line under-voltage lockout

-Line over-voltage protection

-Internal thermal shutdown protection

-Adjustable soft-start

-Versatile dual mode over-current protection with hiccup delay timer

-Cycle-by-cycle over-current protection

-Direct opto-coupler interface

-5V reference output

LM5045

-Full-bridge PWM controller with integrated MOSFET drivers

-High-voltage start-up regulator

-Intelligent sync rectifier start-up allows linear

-Turnon into prebiased loads

-Synchronous rectifiers disabled in UVLO mode and hiccup mode

-Two independent, programmable synchronous rectifier dead-time adjustments

-Four high-current 2-A bridge gate drivers

-Wide-bandwidth optocoupler interface

-Configurable for either current mode or voltage mode control

-Dual-mode overcurrent protection

-Resistor programmed 2-MHz oscillator

-Programmable line UVLO and OVP

300W full bridge phase shifted (FBPS) DC/DC power supply reference design UCC28950

-Enhanced phase-shifted full-bridge controller with synchronous rectification

-Wide range resonant zero voltage switching (ZVS) capability

-Light-load efficiency management

-Average or peak current mode control and voltage mode control

-Closed loop soft start and enable function

-Programmable switching frequency up to 1 MHz

-(+/–3%) cycle-by-cycle current limit protection with hiccup mode support

-150-µA start-up current

-VDD under voltage lockout

-Wide temperature range –40°C to 125°C

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Telecom infrastructure

End equipment
Featured reference designs
Key product
Key features
AC/DC power supply - dual analog controller 300W full bridge phase shifted (FBPS) DC/DC power supply reference design UCC28950

-Enhanced phase-shifted full-bridge controller with synchronous rectification

-Wide range resonant zero voltage switching (ZVS) capability

-Light-load efficiency management

-Average or peak current mode control and voltage mode control

-Closed loop soft start and enable function

-Programmable switching frequency up to 1 MHz

-(+/–3%) cycle-by-cycle current limit protection with hiccup mode support

-150-µA start-up current

-VDD under voltage lockout

-Wide temperature range –40°C to 125°C

Power: telecom DC/DC module: analog 36V-75VDC input, 12V/10A active clamp forward, 1/8th brick form factor UCC2897A

-Advanced current-mode active clamp PWM controller

-High-performance 1-MHz synchronizable oscillator with internal timing capacitor

-Precise programmable maximum duty CycleLow-output jitter

-Soft-stop shutdown

-110-V input startup function

-Peak current-mode control with 0.5-V cycle-by-cycle current limiting

-TrueDrive 2-A sink, 2-A source outputs

-Programmable slope compensation

18Vdc-60Vdc Input, 3.3V/15A active clamp forward, 1/8brick reference design
36V-75Vdc input, 5V/50W 1/8 BrickActive clamp forward reference design
18 to 72Vdc input 12V/10A active clamp forward 1/4 Brick reference design
1/8 Brick isolated DC/DC telecom power module based on UCC28250 reference design UCC28251

-Advanced PWM controller with pre-bias operation

-Prebiased startup

-Synchronous rectifier control outputs with programmable delays (including zero delay support)

-Voltage ode control with input voltage feed-forward or current mode control

-Primary or secondary-side control

-3.3-V, 1.5% accurate reference output

-1% accurate cycle-by-cycle over current protection with matched duty cycle outputs

-Programmable soft-start and hiccup restart timer

-Thermally enhanced 4-mm × 4-mm VQFN-20 package and 20-pin TSSOP package

LM5045

-Full-bridge PWM controller with integrated MOSFET drivers

-High-voltage start-up regulator

-Intelligent sync rectifier start-up allows linear turnon into prebiased loads

-Synchronous rectifiers disabled in UVLO mode and hiccup Mode

-Two independent, programmable synchronous rectifier dead-time adjustments

-Four high-current 2-A bridge gate drivers

-Wide-bandwidth optocoupler interface

-Configurable for either current mode or voltage mode control

-Dual-mode overcurrent protection

-Resistor programmed 2-MHz oscillator

-Programmable line UVLO and OVP

Enterprise systems

Advances in enterprise computing are transforming the way people live and get connected. The plethora of mobile devices available today will transform the backend computing infrastructure required to handle trillions of connected devices. TI's complete PWM controller portfolio is fueling innovation by enabling more complex and more reliable computing systems with tested solutions developed by TI experts.

enterprise-system
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Server

End equipment
Featured reference designs
Key product
Key features
Server PSU UCC28950 600-W, phase-shifted, full-bridge converter evaluation module UCC28950

-Enhanced phase-shifted full-bridge controller with synchronous rectification

-Wide range resonant zero voltage switching (ZVS) capability

-Light-load efficiency management

-Average or peak current mode control and voltage mode control

-Closed loop soft start and enable function programmable switching frequency up to 1 MHz(+/–3%) cycle-by-cycle current limit protection with hiccup mode support150-µA start-up currentVDD under voltage LockoutWide temperature range –40°C to 125°C

300W full bridge phase shifted (FBPS) DC/DC power supply reference design
A fully featured, 350W offline high performance power supply
48V-60Vdc input, 12V/150W active clamp forward reference design UCC2897A

-Advanced current-mode active clamp PWM controller

-High-performance 1-MHz synchronizable oscillator with internal timing capacitor

-Precise programmable maximum duty CycleLow-output jitter

-Soft-Sstop shutdown

-110-V input startup function

-Peak current-mode control with 0.5-V cycle-by-cycle current limiting

-TrueDrive 2-A sink, 2-A source outputs

-Programmable slope compensation

36V-75Vdc input, 5V/50W 1/8 brick active clamp forward reference design

Automotive

From headlights to taillights and all systems in between, Texas Instruments (TI) offers a wide range of innovative technologies for the modern automobile.

automotive
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List application

End equipment
Featured reference designs
Key product
Key features
Evaluation boards for LM25037 dual PWM controller with aternating outputs LM25037-Q1

-LM25037-Q1 is an automotive grade product that is AEC-Q100 Grade 1 Qualified (-40°C to 125°C Operating Junction Temperature)

-Ultra wide input operating range from 5.5V to 75V

-Alternating Ooutputs for double-ended topologies

-Current-mode or feed-forward voltage-mode control

-Programmable maximum duty cycle limit

-2.0% feedback reference accuracy

-High gain-bandwidth error amplifier

-Programmable line under-voltage lockout (UVLO) with adjustable hysteresis

-Versatile dual mode over-current protection with hiccup delay timer

-Programmable soft-start

-Precision 5V reference output

-Current sense leading edge blanking

-Resistor programmed 2 MHz capable oscillator

-Oscillator synchronization capability with low frequency lockout protection

-16-lead TSSOP

6V-42V input 12V/5A SEPIC for automotive applications

Industrial

TI's portfolio of PWM controllers enables customers to differentiate their products across numerous industrial solutions. Try on of TI's tested design solutions created by TI experts to simplify and accelerate design cycles.

industrial
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Motor Drive and Control

End equipment
Featured reference designs
Key product
Key features
Industrial brushed DC drives 120V AC input 200W interleaved Flyback for battery charging applications
LM5032

-High voltage dual interleaved current mode controller

-Two independent PWM current mode controllers

-Integrated high-voltage startup regulator

-Compound 2.5-A main output gate drivers

-Single resistor oscillator setting to 2 MHz

-Synchronizable oscillator

-Programmable maximum duty cycle

-Maximum duty cycle fold-back at high-line Voltage

-Adjustable timer for hiccup mode current limiting

-Integrated slope compensation

-Adjustable line undervoltage lockout

-Independently adjustable soft-start (Each Regulator)

-Direct interface with opto-coupler transistor

-Thermal shutdown

-TSSOP 16-pin package

Brushless DC
AC inverters & VF drives Isolated IGBT gate-drive push-pull power supply with 4 outputs LM5030

-100V push-pull current mode PWM controller

-Internal high voltage start-up regulator

-Single resistor oscillator setting

-Synchronizable

-Error amplifier

-Precision reference

-Adjustable softstart

-Dual mode over-current protection

-Slope compensation

-Direct optocoupler interface

-1.5A peak gate drivers

-Thermal shutdown

Manufacturing robotics axis motor drives
Stepper motor
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Smart Grid and Energy

End equipment
Featured reference designs
Key product
Key features
E-bikes & E-scooters 230-V, 400-W high efficiency battery charger w/PFC and LLC for 36-V power tools reference design
UCC25600

-High performance resonant mode controller

-Variable switching frequency control

-Programmable minimum switching frequency with 4% accuracy (3% accuracy at temperature range: –20°C to 105°C)

-Programmable maximum switching frequency

-Programmable dead time for best efficiency

-Programmable soft-start time

-Easy on and off control

-Overcurrent protection

-Overtemperature protection

-Bias voltage UVLO and overvoltage protection

-Integrated gate driver with 0.4-A source and 0.8-A sink capability

-Operating temperature range: –40°C to 125°C

-SOIC 8-pin package

120V AC input 200W interleaved Flyback for battery charging applications LM5032

-High voltage dual interleaved current mode controller

-Two independent PWM current mode controllers

-Integrated high-voltage startup regulator

-Compound 2.5-A main output gate drivers

-Single resistor oscillator setting to 2 MHz

-Synchronizable oscillator

-Programmable maximum duty cycle

-Maximum duty cycle fold-back at high-line voltage

-Adjustable timer for hiccup mode current limiting

-Integrated slope compensation

-Adjustable line undervoltage lockout

-Independently adjustable soft-start (each regulator)

-Direct interface with Opto-Coupler transistor

-Thermal shutdown

-TSSOP 16-pin package

Personal electronics

Jumpstart your consumer and portable electronic designs with TI's PWM controller solutions for the entire power supply. TI delivers the most reliable, scalable and power-efficient solutions for consumer and portable electronic end-equipment applications.

personal-electronics
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TV, set-top box & audio

End equipment
Featured reference designs
Key product
Key features
LCD TV
LLC resonant half-bridge converter 300-w evaluation module
UCC25600

-High performance resonant mode controller

-Variable switching frequency control

-Programmable minimum switching frequency with 4% accuracy (3% accuracy at temperature range: –20°C to 105°C)

-Programmable maximum switching frequency

-Programmable dead time for best efficiency

-Programmable soft-start time

-Easy on and off control

-Overcurrent protection

-Overtemperature protection

-Bias voltage UVLO and overvoltage protection

-Integrated gate driver with 0.4-A source and 0.8-A sink capability

-Operating temperature range: –40°C to 125°C

-SOIC 8-pin package

335W single stage LLC-SRC converter reference design
250W single stage LLC-SRC converter reference design
Single stage 200W AC-DC LLC series resonant conv for 120VAC & 230VAC input reference design
Slim 150 watt LED TV power reference design
Direct type and local dimming for conventional TV power with an LED driver, no boost DC/DC
Evaluation module for UCC25710 LED TV backlight controller UCC25710

-LED TV backlight controller-Closed loop LED string current control

-PWM dimming input-Adjustable FMIN (3% accuracy), and FMAX (7.5% accuracy)

-LLC and series LED switch control for Dimming-Programmable dimming LLC on/off ramp for elimination of audible noise

-Closed-loop current control at low dimming duty cycles-Programmable soft start

-Accurate VREF for tight output regulation

-Auto-restart response-Second over-current threshold with latch-off response

-400-mA/-800-mA gate drive current

-Low start-up and operating currents

-Lead (Pb)-free, 20-pin, SOIC package

380V/350mA dimmable LED driver using single string LLC solution without dimming FET
90 to 264Vac In 100W 4x500mA LED lighting driver W/O aux fyback power supply f/Vcc reference design
Universal AC Input 150W Single String 200V/700mA Output LLC Converter without CT
Universal AC input high efficiency 100W multi-string transformer LLC AC/DC Driver for LED lighting
Universal AC input(90V-264V) high efficiency 150W single string 200V/700mA output LLC converter
Using UCC25710 to design cost effective LED Power
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PC & notebook

End equipment
Featured reference designs
Key product
Key features
Power supply: AC/DC, isolated, w/ PFC, > 90W
300-W PFC plus resonant LLC half-bridge controller off-line AC/DC PSU module
UCC29950

-CCM PFC and LLC combo controller

-High efficiency PFC and half-bridge resonant LLC combo controller

-Continuous conduction mode (CCM) boost power factor correction

-Supports self-bias or auxiliary (external) bias mode of operation

-PFC loops fully internally compensated

-PFC stage design in 3 easy steps (design voltage feedback, current feedback and power stage)

-Fixed 100-kHz PFC frequency with dithering for ease of EMI compliance

-True input power limit, independent of line voltage

-Fixed LLC frequency operating range of 70 kHz to 350 kHz

220V-400VDC input, 12V/100W active clamp forward UCC2897A

-Advanced current-mode active clamp PWM controller

-High-performance 1-MHz synchronizable oscillator with internal timing capacitor

-Precise programmable maximum duty CycleLow-output jitter

-Soft-stop shutdown

-110-V Input startup function

-Peak current-mode control with 0.5-V cycle-by-cycle current limiting

-TrueDrive 2-A sink, 2-A source outputs

-Programmable slope compensation