[info] Manhattan: TLE8888 breakout board
- AndreyB
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Manhattan: TLE8888 breakout board
TLE8888 is a lot of stuff together in one 100 pin package - power supply, low side drivers and configurable single channel VR.
There is also a reference design at the bottom of https://www.infineon.com/cms/en/product/automotive-system-ic/engine-management-ic/tle8888-1qk/
iBom https://rusefi.com/docs/ibom/TLE8888_Module_latest.html
There is also a reference design at the bottom of https://www.infineon.com/cms/en/product/automotive-system-ic/engine-management-ic/tle8888-1qk/
iBom https://rusefi.com/docs/ibom/TLE8888_Module_latest.html
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Re: TLE8888 breakout board
Would a LQFP-1000 universal board like allow us to start playing with this chip quickly? I know it would probably not be great since no gnd pad in the middle but would it be a start?
What external components would be needed to see power supply working for example? What about VR?
What external components would be needed to see power supply working for example? What about VR?
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Re: TLE8888 breakout board
The thermal slug is likely important. AKA needs to say cold. This one might work, but you should keep an eye on the slug. The 100 is the smallest on this board, so the slug will likely work. On the 176, I would be concerned that the chips slug would bridge some of the pins.
https://www.ebay.ca/itm/2-TQFP-EQFP-LQFP-176-100-Pin-0-5mm-to-DIP-Adapter-PCB-Board-Converter-Gold-B90/282319634009
https://www.ebay.ca/itm/2-TQFP-EQFP-LQFP-176-100-Pin-0-5mm-to-DIP-Adapter-PCB-Board-Converter-Gold-B90/282319634009
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Re: TLE8888 breakout board
I dont have a breakout, but have made a full PCB with this IC.
Infineon provided schematics for it.
Infineon provided schematics for it.
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Re: TLE8888 breakout board
@ that's a cool picture, do you want to start a separate thread about your board?
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Re: TLE8888 breakout board
Still some work left, so I'll see.
But do you understand the SPI/MSC communication stuff in the datasheet?
As not all of the outputs are paralell I am not sure if we can use them.
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Re: TLE8888 breakout board
Two chips (with and without watchdog) are on the way to a secret Carteret assembly facility. No longer mouser has a nice "1000" in stock
PS: here is the link to see current stock - https://www.mouser.com/Search/Refine?Keyword=tle8888
Would be fun to check this in a month and in 6 month to see if we see 999 or else.
PS: here is the link to see current stock - https://www.mouser.com/Search/Refine?Keyword=tle8888
Would be fun to check this in a month and in 6 month to see if we see 999 or else.
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Re: TLE8888 breakout board
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Re: TLE8888 breakout board
TLE8888 needs a OE command to enable parallel pins? That's a bit unusual but I guess they had their reasons.
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Re: TLE8888 breakout board
Well, someone has purchased some of these sweet TLE8888
We only need to send a couple of bytes via SPI to enable output channels. https://github.com/rusefi/rusefi/issues/714 first steps https://github.com/rusefi/rusefi/commit/c9b022d5628d511ae9128798f51328ec56578044
We only need to send a couple of bytes via SPI to enable output channels. https://github.com/rusefi/rusefi/issues/714 first steps https://github.com/rusefi/rusefi/commit/c9b022d5628d511ae9128798f51328ec56578044
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Re: TLE8888 breakout board
By some miracle CMD_OE could be working. Zero testing and did not check what SPI speed is supposed to be, but worth at least a try.
Also something weird - my TS does not show "tle8888 CS pin mode" control between "tle8888 CS pin" and "tle8888 SPI" while the project seem to have it?
Also something weird - my TS does not show "tle8888 CS pin mode" control between "tle8888 CS pin" and "tle8888 SPI" while the project seem to have it?
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Re: TLE8888 breakout board
Current status: no low-side control so far
I have OUTPUT2 wired as low side of an LED, I have INP2/PC6 set as injector and self-stimulation toggling that INP2 all the time. No life on the LED.
At the moment I can only sniff PB3 wire since it's both SWO and SPI1 SCK - at least I see SCK on the logic analyzer.
I have some debug data points
total 15 SPI commands sent.
Last command 0x239
Last response 0x240
I have OUTPUT2 wired as low side of an LED, I have INP2/PC6 set as injector and self-stimulation toggling that INP2 all the time. No life on the LED.
At the moment I can only sniff PB3 wire since it's both SWO and SPI1 SCK - at least I see SCK on the logic analyzer.
I have some debug data points
Code: Select all
tsOutputChannels.debugIntField1++;
tsOutputChannels.debugIntField2 = tx;
tsOutputChannels.debugIntField3 = rxb;
Last command 0x239
Last response 0x240
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Re: TLE8888 breakout board
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Re: TLE8888 breakout board
Some good stuff for sure.
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Re: TLE8888 breakout board
I placed all needed components for a 4 cylinder just to see how compact/few components it get.
It's got
14 Analog
8 Digital
E-Throttle
CAN, VR etc
60 Pin TE AMP Superseal
70 x 60 mm
Add a TLE8110ED, and it's enough for 8 cylinder
It's got
14 Analog
8 Digital
E-Throttle
CAN, VR etc
60 Pin TE AMP Superseal
70 x 60 mm
Add a TLE8110ED, and it's enough for 8 cylinder
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Re: TLE8888 breakout board
dron_gus has just made some changes and
actually blinks the LED now
Code: Select all
boardConfiguration->fuelPumpPin = TLE8888_PIN_20;
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Re: TLE8888 breakout board
Great news!russian wrote: ↑Sun Apr 14, 2019 12:21 pmdron_gus has just made some changes andactually blinks the LED nowCode: Select all
boardConfiguration->fuelPumpPin = TLE8888_PIN_20;
Does E-Throttle work also?
Do you see any difference in performance compared to your old H-Bridge?
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Re: TLE8888 breakout board
my understanding was that the video above shows working tle7209
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Re: TLE8888 breakout board
Let's continue this at https://rusefi.com/forum/viewtopic.php?f=5&t=592 I suggest making a bench setup with real throttle body
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Re: TLE8888 breakout board
We are still working on enabling TLE8888 in the default firmware - it is still affecting integration test negatively See https://github.com/rusefi/rusefi/issues/764
I was travelling this week but on the way to the airport now to catch my flight home so I will have access to hardware again.
I was travelling this week but on the way to the airport now to catch my flight home so I will have access to hardware again.
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Re: TLE8888 breakout board
Do you have a copy of firmware from this stage?russian wrote: ↑Sun Apr 14, 2019 12:21 pmdron_gus has just made some changes andactually blinks the LED nowCode: Select all
boardConfiguration->fuelPumpPin = TLE8888_PIN_20;
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Re: TLE8888 breakout board
please try current version just define 8888 count to 1. i believe there is a good chance it would work.
i am still working on enabling 8888 in default firmware
i am still working on enabling 8888 in default firmware
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Re: TLE8888 breakout board
Yes, some issues, but enough to do some in vehicle testing.
Just found the trigger issue/solution.
When changing this in board.h (PA5) it works fine:
PIN_MODE_INPUT(GPIOA_SPC) | \ origin: PIN_MODE_ALTERNATE
PIN_OSPEED_HIGH(GPIOA_SPC) | \
PIN_PUPDR_PULLUP(GPIOA_SPC) | \ origin: PIN_PUPDR_FLOATING
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Re: TLE8888 breakout board
Thank you for the defect report! A big change was done in this area and it looks like default rusEfi is currently completely FUBAR. Please continue this discussion at https://github.com/rusefi/rusefi/issues/767
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Re: TLE8888 breakout board
I am good at posting things in the wrong places
Have everything up and running fine in vehicle today, ready to start, but just cant get any spark/ignition signal from the TLE8888.
Have everything up and running fine in vehicle today, ready to start, but just cant get any spark/ignition signal from the TLE8888.
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Re: TLE8888 breakout board
breakout board starts to happen at https://github.com/rusefi/hw_modular/tree/master/TLE8888_Module thank you @!
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Re: TLE8888 breakout board
Latest revision:
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Re: TLE8888 breakout board
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Re: TLE8888 breakout board
Great!!
Have you tested them?
Have you tested them?