Bosch bip373 coil driver

For example the max collector current for a bosch bip373 igbt is 16 amps, not enough margin in my opinion. I would rather buy some of these if they would work. Vb921 was changed to the bosch bip373 device for the ignition driver stage. The power transistor that bosch uses in their own ecus is now available to you. The bip373 has an active voltage clamp between collector and emitter. The microsquirt documentation outlines several driver modules that can be used and how to hook them up. The jolt4 ignition driver board groups together 4 ignition drive transistors such as the bosch bip373, on semi ngb8202nt4g and so on. The best replacement for it is the bosch bip373, which comes in the same to220 package and has the same pinout as the vb921.

Bip373 bosch bip 373 bip 373 bosch bip373 bosch al 60 bosch ecu ignition driver bosch sm drive bosch ignition coil ecu bosch bosch 2006 bip172 abstract. This yellow box and the two numbers on the bottom seem to be an identifying feature of this true blue coil. Arduino nano igbt ignition driver need help please. This latest product from ttr ignition systems is the first that actually involves ignition. In the plastic ignitioncoil sector, bosch is also the global system partner for the worlds automotive.

The bip373 is a real upgrade to the vb921 drivers that were used on the original microsquirt v1 board. So there are like a ton of ignition posts out there in different threads and the other post i put up is out of room so here is a new thread to help put that information in one place. If replacing a vb921, you must use a mica insulator. I also have your resistor and capacitor snubber circuit in parallel with the coil in my diy driver to try to prevent damage to the mosfet.

This kit includes a bosch bip373, mica insulator, mounting hardware, and a 330 ohm resistor used for ms1extra and ms2extra mods. Then the igniter got hot and at least 1 channel fried. Bosch 9220081083 original equipment ignition coil 1 pack bosch 00012 black 12v ignition coil for vw beetle. Megasquirt support forum msextra a better bip373 ignition. The second is the number of the coil this coil replaces the german 12v coil, yay. The small enclosure 50mm x 50mm x 20mm isnt fully watertight, but is splashresistant and dust proof. The trigger line to that coil is somewhat high impedance doesnt take much current to enable the coil, take the trigger to ground and it should fire, the 2. This is a mod kit for installing a bip373 in a megasquirt, or replacing a vb921 with a bip373. Vb921s are going out of service, and becoming harder to find, even for bulk purchases. Ignition coils and modules ignition coils 20 2014 and modules ignition coils ignition modules illustrated product picture guide enquiries. Glens garage used to sell a nifty little board that facilitated using multiple bip373. Bosch bip373 coil driver mod kit the power transistor that bosch uses in their own ecus is now available to the hobbyist. As far as im aware they dont have built in ignitors the 3rd wire is a shunt circuit to monitor the ignition event.

Generally this means a 0 or 5 volt signal that changes from one of. Bip373 a robust ignition driver transistor from bosch. Bosch bip373 ignition coil driver ic for megasquirt efi msefi. I see power mosfets and igbts on ebay for 99 cents for a batch of 10. Featuring the nighindestructable bosch bip373 coildriver transistors, this small module wires directly into your harness. You can also use external bip373 drivers on your own board to drive the coils. You do not have the required permissions to view the files attached to this post. Apr, 2018 so my kit came with the bip373 q16, it also came with bip373 330o 14w, so i wont have to purchase the kit. These are almost a dropin replacement for the vb921, except that they must be installed with a mica insulator as they have a metal backed case. I think i may have found a component whichll make things a lot simpler. Why not use a dedicated ignition drive such as a bosch bip373. This is a mod kit for installing a bip373 in a megasquirt, or replacing an older or damaged vb921 with the much improved bip373. Tips on how you select or match a component would be very welcome.

These are fired sequentially from the original bosch dme ecu. Bip306 bosch ignition coil automotive bosch ic driver bosch integrated circuits bosch ecu ignition driver bosch ecu information. To capitalise on this technological advance, bosch began developing diesel. Features overcurrrent and overtemperature protection. Give it 12v power and a 5v logic signal and presto, spark. Bosch bip373s have both output current limiting and thermal shutdown built in. The bosch bip373 ignition module is nearly a drop in replacement for the vb921.

So my kit came with the bip373 q16, it also came with bip373 330o 14w, so i wont have to purchase the kit. This is the bosch bip373 coil driver triple darlington on its own. Or instead you could switch something like gm ls12 coils which have inbuilt ignitors. Afternoon, all does anybody know of a uk supplier of the bosch bip373 coil drivers. The m60 and m62 v8s use eight bosch coil onplug cops to fire the plugs. It is temperature compensated with an accuracy of about 25 v in the entire temperature range. I also have your resistor and capacitor snubber circuit in parallel. The bosch bip373 is a replacement for the now discontinued vb921 coil driver transistor. The data sheet puts the typical current limiting at 11.

This is a mod kit for installing a bip373 in a megasquirt, or replacing a. This is because my megasquirt has been set up with bosch bip373 coil drivers specifically for coil packs without an onboard driver. Leds indicating driver activity requires additional drive current of 36ma. Edis used to be all the rage about 5 years ago, not so much anymore. Bosch bip373 ignition coil driver ic for megasquirt efi. This is darlington transistor for ignition high voltage system with coil. With the engine running, i am getting a reading of.

Igbt ignition coil driver page 5 electronics forums. The ecu only had 2 ignition outputs for 4 cyl, so the 4 inputs to the igniter were paired together. May 18, 2008 hey i just started collecting parts for something similar. Megasuirt ignition post for vw 16v or vws with a hall sensor distributor mjleamy 09182008 08. I am working with nissan on stuff and they use a optical trigger wheel in their distributors and cam angle sensors.

When driving two bip373s from one output for firing coilonplug applications in a wasted spark mode, youll also use 330 ohm resistors, one. Featuring the nighindestructable bosch bip373 coil driver transistors, this small module wires directly into your harness. Theyve been available to ecu and ignition module manufacturers for some time in wholesale lots, but now we are making these transistors available in retail quantities for the hobbyist market. The common goto bosch bip373 igbt seems to be no longer. When driving two bip373s from one output for firing coilonplug applications in a wasted spark mode, youll also use 330 ohm resistors, one resistor per bip373. For example, the bosch 211 igntion control module works really well. High voltage ignition coil driver npn power darlington transistors. Coil on plug alternative to the bosch part alfagtv6. Obviously it takes a bit more fabrication and work. Oct 27, 2015 the power transistor that bosch uses in their own ecus is now available to the hobbyist. Megasquirt ms3x with its expansion board can provide 8 logic ignition outputs, this would need an ignitor box with 8x bip373 or similar to drive the original cops. The biggest improvement is a thermal shutdown capability that will selfprotect the driver in case of overtemperature. Car dont ask, rwd motor 3sge from 1991 mr2 the car had 4 individual coils, bosch transformer style.

When driving two bip373s from one output for firing coil onplug applications in a wasted spark mode, youll also use 330 ohm resistors, one resistor per bip373. Jean, maybe i am missing something, but the bip373 is rated to 16 amps but the ign1a coil. With this modification, a user can drive the 4coil bosch 211 igniter or the lsx. Use the bosch bip373 to fire your ignition coils directly with a megasquirt. They usally have 360 holes around the outer edge of wheel and then the number of cylinders for the number of holes. Hey i just started collecting parts for something similar. This allows for more coil current at the risk of heating the coil too much many coils will.

The power transistor that bosch uses in their own ecus is now available to the hobbyist. Might also consider a smart coil which is the ignition driver and the coil all in one. Updated 8192011 the bosch bip373 transistor has served in many different bosch ecus and ignition modules. Using bosch bip373 ignition modules with megasquirt. Then id simplify it by ditching msd and use the bosch bip373 coil driver and a diyautotune coil. There is a driver on the microsquirt, the bip373, which can drive an ignition coil directly. Weve done extensive testing on them and found these. Some links those who have used megasquirtnspark post great resource for ignition troubles cisemotronic megasquirt resource msns with a v2. Its cheap, cost is coil pack i think paralleling them directly 15 amps would send too much current through normal igbts and would cause them to fail. Assuming that the primary coil would act as a pull up resistor, i expected to see ov while the ignition module car or irf740 my coil driver circuit is closed, and 12v when it is open.

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