BH6717NUV is a three-phase full-bridge motor driver that supports PWM signal speed control, sensorless drive, soft switched drive and power save function.
The BH6717NUV is a three‑phase full‑wave motor driver IC designed for fan motor applications. It features PWM speed control, sensor‑less operation, soft‑switching, and power‑save functions.
The document lists absolute maximum ratings, operating conditions, detailed electrical characteristics, package information, and extensive cautions such as protection against reverse power connection, thermal shutdown behavior, and grounding recommendations.
| Supply voltage (Vcc) | -0.3~6.5 V |
|---|---|
| Power dissipation (Pd) | 560 mW |
| Maximum output current (Iomax) | 700 mA |
| FG signal output voltage (VFG) | 6.5 V |
| FG signal output current (IFG) | 6 mA |
| Junction temperature (Tjmax) | 125 °C |
| Operating supply voltage range (vec) | 1.8~5.5 V |
| PWM high‑level input voltage (VPH) | 2.5 V – VCC |
| PWM low‑level input voltage (VPL) | 0 – 0.7 V |
| Input frequency (FP) | 20 – 50 kHz |
| Lock protection detection time (LDT) | 0 – 0.5 s |
| Lock protection release time (LRT) | 2.5 – 10 s |
The device operates with a supply voltage between 1.8 V and 5.5 V.
The maximum output current is specified as 700 mA.
Yes, it has a thermal shutdown (TSD) circuit that activates around 150 °C.