Package and mounting
The TI ISO7762FDBQR is a six-channel digital isolator from the ISO776x family, using capacitive coupling to pass signals across a 3000Vrms isolation barrier. Four channels go from Side 1 to Side 2, two go the other way — a 4/2 split that suits SPI-like interfaces where you need a few return lines for status or chip-select. The 100Mbps data rate handles fast serial links without timing headaches, and the 16ns typical propagation delay keeps bus turnaround tight.
85 kV/µs CMTI — why it matters for motor drives and inverters
Common-mode transient immunity is rated 85kV/µs minimum. That number tells you this part holds its data path clean when a nearby IGBT or SiC FET switches a few hundred volts in nanoseconds. In a motor-drive or solar-inverter BOM, that CMTI spec is what keeps the controller from seeing false edges on the isolated SPI or PWM lines. The rise and fall times (1.1ns typ, 1.4ns typ) are fast enough for 100Mbps signalling, but the edge rates also mean you want a solid ground plane under the part — no lab bench required, just a clean layout.
Package and temperature — field-fit for harsh environments
No isolated power on-chip (you supply Vcc on both sides), so the BOM needs a separate DC-DC or an isolated module if the application demands fully isolated power domains.
Active and available — no LTB clock ticking
TI lists the ISO7762FDBQR as Active. That means no last-time-buy notice looming, no scramble for a drop-in replacement mid-production.
