8925 Datasheet (Allegro MicroSystems) - 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS

8925, 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS

V BB CHARGE PUMP SENSE AMPLIFIER I OUT .

VSENSE 1200 SEQUENTIAL LOGIC OUT R3 R1 RS C1 Power Outputs (OUT A, OUTB, and OUTC).

The power outputs of the A8925CEB are DMOS transistors with a maximum rDS(on) of 0.25 Ω.

Intrinsic ground clamp and flyback diodes clamp transient voltage spikes when switch

8925 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS 8925 Data Sheet 26301.30 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS LOGIC GROUND LOGIC SUPPLY POWER GROUND 7 8 9 39 38 37 36 35 34 33 32 31 POWER GROUND SUB V BB POWER GROUND ABSOLUTE MAXIMUM RATINGS AT TA = +25°C Load Supply Voltage, VBB 14 V Output Current, IOUT ±4.0 A Logic Supply Voltage, VCC 14 V Logic Input Voltage Range, V

8925 Features

* s s s s s s s s s DMOS Outputs Low r DS(on) - 0.25 Ω Maximum Linear Current Control Internal Commutation Circuitry Internal Current Sensing Thermal Shutdown Circuitry Under Voltage Detection Circuitry Fault Output Flag Power Surface-Mount Package Always order by complete part number: A8925CEB . 8