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Zigbee Z-Accel.4 GHz texas Zig Bee Processor.
Additional resources, texas more detail information of TI GaN devices can be found in the instruments following articles: If you are interested in using TI GaN devices in your power supply designs, take a look at the following reference Design.Zigbee (SoC) Sol for ZigBee ieee 802.15.4.Wide-bandgap power devices such as gallium nitride (GaN) and silicon carbide instruments (SiC) field effect transistors (FETs) have become commercially available in recent years.Zigbee CC2431.4 GHz Chip in Tape and Reel Pkg.Figure 1: An LLC SRC, para figure 2 shows key waveforms of an LLC-SRC.Compared with high-voltage (600V) silicon FETs, GaN and SiC FETs generally have lower on-resistances (Rds(on lower output capacitances (Coss) and fewer/no reverse recovery charges (Qrr).Due to their lower switching losses, you can greatly increase the efficiency of a hard-switching converter with wide-bandgap power devices.Texas Instruments, zigbee SoC.4 GHz ieee 802.15.4/ZigBeeTM.As you can see, the wire losses on the transformer with the wider air gap are much instruments higher than the one with the narrower air gap. RF Microcontrollers texas (MCU) Second Gen SOC ganar Sol.
Figure 3: LLC-SRC instruments transformer thermal performance at 400VIN, 12V/42A output with Lm 100H (narrower air gap) (a and Lm 70H (wider air gap) (b).
Because queda of the ganar wider air gap, there will be more eddy current losses on the muscular transformer wires.An LLC-SRC uses the muscular energy stored in ganan the resonant inductor ganas (Lr) to discharge mosfet output capacitors para in the input switch network.If the output capacitor barca voltage discharges to zero before the mosfet gate signal goes high, you can ganar achieve zero turn-on loss.Texas Instruments, rF Microcontrollers (MCU) Second Gen SOC grasa Sol.Texas Instruments, rF Microcontrollers (MCU) SOC Sol for ieee 802.15.4 ZigBee.One 70m silicon FET I found has a 140pF output capacitance.Assuming the Coss of the two mosfets of the half bridge are the same ganar and that you can ignore the interwinding capacitance of the transformer, Equation 2 influir expresses the maximum inductance with which you can achieve zero turn-on losses: Figure 2: LLC-SRC switching waveforms, now.