Gate Driver ICs Forum Discussions
Hello,
There is an issue while designing the gate driver using 1EDI60H12AH. In the design I am using bipolar power supply (+15/-8V). The schematic of the designed gate Driver using 1EDI60H12AH is attached with this query. The problem is that IC is not turning ON even though the VCC2/ VCC1 are both in the limit to make the IC to turn ON. ON output side a negative gate signal of -8 V is showing when input pulse is from MCU is appeared on IC input. Kindly suggest the solution. or provide some application note so that I can make the gate driver using the same.
Show LessI have a TLE92104 eval kit with a uIO stick. Can anyone tell me the format of the log file it can produce?
I'm trying to see the initialization sequence that the uIO sends to the eval board.
Show LessDear IFXer,
1. May I know C3 function of auxiliary supply and the XT04 spec of TR1?
2. the bigger different between out pin and secondary side TL432 configure. why? there have any detail description can share us?
3. looks the secondary rectifier type, IFX like use current double rectifier circuit.
as I know depends on VCC to design it.
if VCC is 5V, can use the voltage double.
if VCC is above 10V, can use current double, full bridge, full wave(push-pull), but why IFX use current double type? have any consideration?
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Phases A and B now work. Phase C has the exact same components, which were changed many times, so I assume that the component values are not faulty.
I have however removed MOSFETs from phase C, and the HO is still not outputting a proper signal. I have atatched HO signals from phase A that works, and phase C that does not work yet.
Thanks.
Show LessEiceDRIVER™ Gate Driver ICs
Infineon EiceDRIVER™ Gate Driver ICs are designed for MOSFETs, IGBTs, SiC MOSFETs, and GaN HEMTs devices. EiceDRIVER™ gate drivers provide a wide range of typical output current options, from 0.1A up to 10A. These devices have robust gate drive protection features such as fast short-circuit protection (DESAT), active Miller clamp, shoot-through protection, fault, shutdown, and over current protection. These features make these driver ICs well-suited for both silicon and wide-bandgap power devices, including CoolGaN™, and CoolSiC™. That’s why Infineon offers more than 500 EiceDRIVER™ gate driver IC solutions suitable for any power switch, and any application
EiceDRIVER™
1EDI Compact
Single channel IGBT gate driver IC in wide body package
Features
• Single channel isolated IGBT driver
• For 600 V/650 V/1200 V IGBTs and MOSFETs
• Up to 10 A typical peak current at rail-to-rail outputs
• Separate source and sink outputs
• Galvanically isolated coreless transformer driver
• Wide input voltage operating range
• Suitable for operation at high ambient temperature
Applications
• AC and brushless DC motor drives
• High voltage DC/DC-converter and DC/AC-inverter
• Induction heating resonant application
• UPS-systems, welding and solar
Product Type Output current configuration Package
1EDI05I12AH ±0.5 A PG-DSO-8-59
1EDI20I12AH ±2.0 A PG-DSO-8-59
1EDI20H12AH ±2.0 A for high speed IGBTs PG-DSO-8-59
1EDI40I12AH ±4.0 A PG-DSO-8-59
1EDI60I12AH ±6.0 A PG-DSO-8-59
1EDI60H12AH ±6.0 A for high speed IGBTs PG-DSO-8-59
Description
The 1EDI05I12AH, 1EDI20I12AH, 1EDI40I12AH,
1EDI60I12AH, 1EDI20H12AH and 1EDI60H12AH are
galvanically isolated single channel IGBT driver in a
PG-DSO-8-59 package that provide output currents up
to 10 A at separated output pins.
The input logic pins operate on a wide input voltage
range from 3 V to 15 V using scaled CMOS threshold
levels to support even 3.3 V microcontrollers.
Data transfer across the isolation barrier is realized by
the coreless transformer technology.
Every driver simsodep family member comes with logic input
and driver output undervoltage lockout (UVLO) and
active shutdown
OUT+
OUT+
Control
EiceDRIVERTM 1EDIxxy12AH
EiceDRIVERTM 1EDIxxy12AH
IN+
IN+
ININGND1
VCC1 VCC2,H
VCC2,L
GND2,L
GND1 GND2,H
VCC1
OUTOUT
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Dear community members
I am planning to use new driver IC family 1ED38x0 and read in EVAL Board (1ED38x0 Family) user manual that one can also configure ADC register to measure external voltages, e.g. NTC of power module. Is there any explenation or examplry application ?
kind regards
ergin
Show LessHi, I have an issue with the 1EDI60N12AF gate drive used within a bootstrap circuit for the top switch.
Following situation: primary side is supplied by 5V, the output is not supplied until the bottom switch is activated for the first time (=normal bootstrap initial condition).
When the initial condition of the driver side supply is 0V: the gate of the switch is charged slightly&slowly through the gate driver (not due to parasitic capacitors). The gate voltage rises to values around 5...8V, depending on the dV/dt of the boot strapped supply voltage (is round 5...10V/us in my case). The datasheet states: "In case of UVLO an active shut down keeps the output voltage at a low level." Which is not the case, although there is an additional 10k pulldown to source on the gate.
When the initial condition of the driver side supply is ~2.5V (far below UVLO) the above situation is not observed. That voltage can be achieved by some 100uA bias current generated by an high value R across the bottom switch.
However, I'm not sure if that behavior is normal/intended and if the work around is reliable or if there is another way to overcome.
Show LessHi, Sir.
I am using IR2104 IC for pwm amplifier, where I am using 50Khz, 3.3VPP pwm signal in input section. But I did not get any pulses in HO,LO.
Kindly tell me, SD should be high or low to active the ic.
Show LessI am using 4 GaN switches "IGT60R070D1 " in full bridge configuration in a PSFB DC DC converter. I am using the gate driver "1EDS5663H". The configuration is shown below.
The gate source voltage is also shown below
When taking a closer look on the gate to source voltage I notice this part here
So I wanted to ask about the reason for that.
Also I am designing this converter for ZVS (soft switching), and I noticed that if the deadtime is long the FET sometimes truns on unexpectedly in the spice simulation. I wanted to ask if the gate driver IC is capable in reality to hold the voltage at zero. Is there a possibility to use a bipolar supply to have a negative voltage all over the turn-off period?
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