AMtek AM8931
The AM8931 is a 3-Phase sensor-less DC fan motor driver IC. It senses the BEMF (Back Electro-Motive Force) of the motor in rotation and provides corresponding commutation current to the motor. The drivers include Lock Detection, Thermal Shutdown, and Over-current limiter.| Part No. | AM8931 |
|---|---|
| Datasheet | AM8931 Download |
| Manufacturer |  AMtek |
| Description | 3-Phase Sensor-less Fan Motor Driver |
| Buy | Stock & Price |
FEATURES
1) Operation voltage 3.3 to 15V 2) Direct PWM speed control 3) Built-in FG & RD 4) Soft start function 5) Forward and Reverse control 6) Lock detection/Automatic restart function●
ABSOLUTE MAXIMUM RATINGS
(Ta = 25℃) 7) Over current limiter 8) Over-voltage protection 9) Thermal shutdown protection 10) Soft switching technique to reduce acoustic noise Parameter Symbol Limits Unit Supply voltage VREG strength voltage Output current VCC 16 V VREG 6 V Io 1000 mA FG & RD output voltage VFG & VRD Vcc V FG & RD output current IFG & IRD 10 mA PWM & F/R strength voltage VPWM &VFR VCC V CSOFT & OSC strength voltage VCSOFT & VOSC VREG V Power dissipation (JEDEC 2S2P) Pd 3830* mW Operate temperature range Storage temperature range Topr -40～＋95 ℃ Tstg -55～＋150 ℃ Junction temperature Tjmax 150 ℃ * Pd de-rated by 30.64mW/C over 25℃ (based on JEDEC 2S2P board) Those are stress rating only and functional operating at those conditions for extended periods may damage to the device.● Recommende...
