View source for EEDEHD Medium-Power 4+ Inductive Loads Driver IC

=== Introduction ===
The objective of this article is to find an IC which can switch 4+ of medium-power inductive loads.

Loads may be stepper motors, DC motors, or solenoids, at user's discretion.


The IC must have the following features:

4+ of independent half-bridge outputs, preferably at least two splittable full bridges / four independent half bridges in same package.

ALL outputs MUST not modify or invert logic of inputs, for any combination of inputs. See issues with motor control ICs with "brake" function.

100mA minimum drive capability per output channel, 0.5A+ desired.

5V-12V+ load side supply voltage.

Relay coil PWM throttle NOT used (for general adaptivity for any loads such as motors, not just relays).

Reasonably protected output stage for inductive loads drive capability.

Reasonably protected output stage for typical failure scenarios (short circuit, overcurrent, overvoltage, undervoltage, overtemperature, etc).

Can keep up with reasonable PWM waveforms and frequencies.

Not a package I hate (FN, BGA, etc).

A package which can dissipate realistic amount of waste heat with REAL loads being switched at reasonable speeds.

High-side switches NOT NMOS (as this requires costly, limited, and noisy charge pump circuitry inside the IC or external to it).

Surface-mount.

Affordable.



The following DigiKey categories have been parsed:

Interface - Drivers, Receivers, Transceivers (No current rating provided)

Interface - Signal Buffers, Repeaters, Splitters (No current rating provided)

Logic - Buffers, Drivers, Receivers, Transceivers (NOTHING THERE WITH CURRENT CAPABILITY)

Logic - Gates and Inverters (NOTHING THERE WITH CURRENT CAPABILITY)

PMIC - Full, Half-Bridge Drivers (PARSED)

PMIC - Gate Drivers

PMIC - Motor Drivers, Controllers (FINISHING PARSE)

=== PMIC - Full, Half-Bridge Drivers ===
Half Bridge (4x):

[https://www.digikey.com/en/products/filter/pmic-full-half-bridge-drivers/746?s=N4IgjCBcpgbFoDGUBmBDANgZwKYBoQB7KAbRAHYAWAZgE5aQCrLKAORkW861gBg7A1yYCATABWcb1rwx42gCZqo8LHHdZq9VwFdeYfgQULe44yAC6BAA4AXKCADKtgE4BLAHYBzEAF8CsAzQIMiQ6Nj4RKQglNJ01JY29pBOrp4%2B-uDilAghqJi4BMSQZMo84uwE1HQSChzUsLDkvAlVjVR1VbQGZokgdg7O7t5%2BRpK5oeGFUSUg1GaU3PUL5OTLCmz8Vv3JqcMZBJS0OcGTBZHFZCpKTdQ5Rg3ktIYgG8q0ra%2BSrOKfCrA3SqvcgKWjia6sAFKDgKSEbBhGZ5Pa70CTiARgLhSDiUSTyHGsairDhSZ4vMysEQk4wmElSSgqbIsNYEdQ0T7yJSfODkeT3cAKKTNASgyEs8DKX4qMDVWJAmWwXi8fkmCTHATkRVUDUgtQwhTCRQw3iK8ZGUw-P7SA0vDarE0wsrEh6wpok6Qg8X-AGwa5mGSdECkkFA2G8Zqhj4glWEwkIubK1j0DjRhkp%2BTZDiQ1j-LMmXEcGSNaW8QVUsQSVisfmCfPxysNbmEo5NymweXdTXcj45l6Y%2Bg-GGCOgqsCrJND55m14mG76zGUQPGaiw65Eqh-GhqFXiYvXDTl4HkH4x5oVDjtqRbJKDNIjTKrOqnfIRIrROiwI4CBr-L2wqjXCaHyAZCEjGmKIGBH8BjVkuLa9A8ZTXE0Uh-GC-zXjst77KM4C0BOz5hOcb6zJhAwpEM6R%2BJk8DBG4AAmDgALQGIG5EgBwACOtgAJ4OCovHWDgDj0VgyC%2BL4QA Starting filter criteria] (24 products left).

After  L298 is disqualified for being too expensive and outdated, NO ICs remain! WTF???

Half Bridge (2x):

With the possible exception of ST VN5772AK (how do high-side MOSFETs get powered? Why hard to source), same shit, ICs either implement Braking on H, H input signals combination, OR use High-Side NMOS switches with an internal charge pump. WHAT THE FUCK DigiKey, all of these ICs should be in Motor Controllers section!!!

TODO DOC WTF ONSEMI DATASHEETS LINKS FROM DK ARE NOT WORKING???

=== PMIC - Motor Drivers, Controllers ===
Half Bridge (4, 8x):

With the exception of Allegro A4970 (TODO VERIFY), same shit as in other section; ICs either implement Braking on H, H input signals combination, OR use High-Side NMOS switches with an internal charge pump.