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IC manufacturers Texas Instruments

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Texas Instruments ACS716 | Demoboard TIDM-02008

Bidirectional high density GaN CCM totem pole PFC using C2000™ MCU

Overview

TopologyPower Factor Correction
Input voltage120-230 V
Output 1380 V / 10 A
IC revisionC

Description

This reference design is a 3.-kW bidirectional interleaved continuous conduction mode (CCM) totem-pole (TTPL) bridgeless power factor correction (PFC) power stage using a C2000™ real-time controller and LMG3410R070 gallium nitride (GaN) with integrated driver and protection. This power topology is capable of bidirectional power flow (PFC and grid-tied inverter) and it uses LMG341x 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

  • PFC mode: AC input (90-230 Vrms), 50-60 Hz and 3.3-KW rated power at high line
  • Grid-tied inverter mode: DC input (Up to 400 V) and 3.3-KW rated power at high line
  • 98.75% peak efficiency and less than 2% total harmonic distortion (THD)
  • In-built frequency response analyzer (SFRA) for verification and design of control loops
  • Low zero crossing distortion
  • High power density design enabled by both GaN and C2000 controller high frequency operation

Typical applications

  • AC charging (pile) station, Battery test, Energy storage power conversion system (PCS)

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