Needs validationhigh risk
DRV8251DDAR is a TI functional alternative, not a pin-compatible substitute.
Best Alternatives to TB67H450FNG,EL
TB67H450FNG,EL is NRND. TB67H450AFNG,EL is the best supported successor, but pinout and ratings need review.
AI replacement insight
Electrical riskmedium
ratings must be checked
Package riskmedium
HSOP8 class, pins unknown
Firmware riskmedium
fault behavior may differ
Sourcing risklow
successor is Active
Can it be replaced directly?
No pin-compatible replacement is verified from the provided fields.
Best replacement path
Start with TB67H450AFNG,EL.
Main risk
Pinout and fault behavior are not fully proven.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | TB67H450FNG,EL | TB67H450AFNG,EL | TB67H451AFNG,EL | DRV8251DDAR | Compatibility / risk |
|---|---|---|---|---|---|
| Package | HSOP8 | 8-SOIC EP | 8-SOIC EP | HSOP-8 | 8-SOIC EP / HSOP-8 — same class; TB67H451AFNG,EL: same class; DRV8251DDAR: not pin proof |
| Pinout | 8 pins | pin_count 0 | pin_count 0 | TI 8-pin | pin_count 0 / TI 8-pin — not proven; TB67H451AFNG,EL: not proven; DRV8251DDAR: likely different |
| Voltage | VM 4.5-44V, OUT 50V | not in ES | 50V out | 4.5-48V | not in ES / 50V out / 4.5-48V — check datasheet; TB67H451AFNG,EL: web claim; DRV8251DDAR: supply range |
| Current | 3.5A | not in ES | 3.5A max | 4.1A peak | not in ES / 3.5A max / 4.1A peak — check rating; TB67H451AFNG,EL: web claim; DRV8251DDAR: peak rating |
| Lifecycle | NRND | Active | - | - | Active — successor |
| Application | 450 latch variant | - | 451 auto-return | - | 451 auto-return — fault mode |
| Interface | PWM | - | - | PWM | PWM — logic check |
Application & sourcing insights
Questions & answers
TB67H450AFNG,EL is the best supported alternative because it is cited as an official successor.