BD6934FV is a 1-channel half-bridge pre-driver produced by ROHM Co., Ltd., for 125kHz drive, with a built-in oscillation circuit and driving current adjustment function
The ROHM BD6934FV is a half‑bridge pre‑driver designed for 125 kHz antenna driver applications such as TPMS and smart entry systems. It integrates functions like driving‑current adjustment, built‑in resistance, synchro‑on protection, thermal shutdown and UVLO.
The document provides absolute maximum ratings, operating ranges, electrical characteristics, pin definitions, block diagrams, timing charts and ordering information for the SSOP‑B16 package.
| Supply voltage (absolute max) | 12 V |
|---|---|
| Power dissipation (max) | 562 µW |
| Operating temperature range | -40 °C to 85 °C |
| Supply voltage (operating) | 3.5 V to 8 V |
| UVLO ON voltage (typ.) | 3.3 V |
The device operates with a supply voltage between 3.5 V and 8 V.
Typical standby current is 10 µA when VCC is 12 V.
The part is supplied in an SSOP‑B16 package.