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IC manufacturers Texas Instruments

IC manufacturers (83)

Texas Instruments ACS716 | Demoboard TIDM-1007

Interleaved CCM Totem Pole Bridgeless PFC ReferenceDesign Using C2000™ MCU

Overview

TopologyPower Factor Correction
IC revisionC

Description

This reference design illustrates a method to control a bidirectional interleaved continuous conduction mode (CCM) totem pole (TTPL) bridgeless power factor correction (PFC) power stage using a C2000™ microcontroller (MCU) and LMG3410R070. This power topology is capable of bidirectional power flow (PFC and grid-tied inverter) and it uses Gallium Nitride (GaN) devices, which enables higher efficiency and reduction in size of the power supply. The design supports phase shedding and adaptive dead time for efficiency improvements, input cap compensation scheme for improved power factor at light loads, and non-linear voltage loop to reduce voltage spikes under transient in PFC mode. The hardware and software available with this reference design accelerates time to market.

Features

  • Interleaved 3.3-KW Single Phase Bridgeless CCM Totem Pole PFC Stage
  • 100-kHz Pulse Width Modulation (PWM) Switching
  • Programmable Output Voltage, 380-V DC Output Nominal
  • Less Than 2% Total Harmonic Distortion (THD)
  • Greater Than 98% Peak Efficiency
  • powerSUITE™ Support for Easy Adaptation ofDesign for User Requirement
  • Software Frequency Response Analyzer (SFRA) for Quick Measurement of Open Loop Gain
  • Soft Starting of PWM for Reduced Zero Current Spike in TTPL PFC

Typical applications

  • HVAC motor control
  • Merchant network & server PSU
  • DC charging (pile) station / Wireless EV charging station

Products

Order Code Data­sheet Simu­lation Downloads Product seriesCdV/dt
(V/µs)
DF @ 1 kHz
(%)
RISOOperating TemperaturePitch
(mm)
Technical ReferenceIR
(A)
L
(mH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
Mount Samples
890324026034SPEC
7 files WCAP-FTX2 Film Capacitors2.2 µF 170 0.110000 Ω x F -40 °C up to +105 °C 22.5 MX2P225225K275ASPB46000 275 26 15 25
7448051012SPEC
8 files WE-CMBNC Common Mode Power Line Choke Nanocrystalline 10 12 15 250 1500 Nanocrystalline 34 23 34 THT
7448051307SPEC
6 files WE-CMBNC Common Mode Power Line Choke Nanocrystalline 13 7 8 250 1500 Nanocrystalline 36 23 35 THT
Order Code Data­sheet Simu­lation
890324026034SPEC
7448051012SPEC
7448051307SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesCdV/dt
(V/µs)
DF @ 1 kHz
(%)
RISOOperating TemperaturePitch
(mm)
Technical ReferenceIR
(A)
L
(mH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
Mount Samples