AMtek AM8959
The AM8959 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 SLOPE mode, STOP/RMI mode, Lock Detection and Thermal Shutdown.| Part No. | AM8959 |
|---|---|
| Datasheet | AM8959 Download |
| Manufacturer |  AMtek |
| Description | 3-phase Sensor-less Fan Motor Driver |
| Buy | Stock & Price |
FEATURES
1) Operation voltage 3.3V to 16V 9) Thermal shutdown protection 2) Direct PWM speed control 10) Soft switching technique to 3) Built-in FG & RD reduce acoustic noise 4) Soft start function 11) SLOPE mode setting 5) Forward and Reverse control 12) STOP/RMI mode setting 6) Lock detection/Automatic restart function 13) START mode setting 7) Over current limiter 14) STOP Synchronize 8) Over-voltage protection●
ABSOLUTE MAXIMUM RATINGS
(Ta = 25℃) Parameter Symbol Limits Unit Supply voltage Output peak current VCC Iomax 18 V 1600 mA Output continuous current Io 700** mA FG & RD output voltage FG & RD output current PWM & F/R strength voltage CSOFT & OSC strength voltage SLOPE & STOP strength voltage Power dissipation VFG & VRD IFG & IRD VPWM &VFR VCSOFT & VOSC VSLOPE & VSTOP Pd VCC 10 VCC VREG VREG 3600* V mA V V V mW Operate temperature range Storage temperature range Junction temperature Topr Tstg Tjmax -40～＋125 ℃ -55～＋150 ℃ 150 ℃ * Reducing by 28.8mW/℃ over 25℃ (On JEDEC-standard 2s2p board as specified in JESD-51) ** This value is not to exceed Pd.
