Power Outputs.
The power outputs of the A8906CLB are n-channel DMOS transistors with a total source plus sink rDS(on) of typically 1 Ω.
Internal charge pump boost circuitry provides voltage above supply for driving the high-side DMOS gates.
Intrinsic ground clamp and flyback diodes provide protectio
8906 BIDIRECTIONAL 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING LOAD SUPPLY C D2 C WD CST OUTA GROUND GROUND OUT B OUT C CENTERTAP BRAKE C RES 1 2 V BB COMMUTATION DELAY 24 23 C D1 DATA IN CLOCK CHIP SELECT RESET GROUND GROUND DATA OUT OSCILLATOR LOGIC SUPPLY SECTOR DATA FILTER Data Sheet 26301.4 SERIAL PORT 3 4 5 6 7 8 9 9 10 11 12 BOOST CHARGE PUMP 22 21 20 19 18 The A8906CLB is a bidirectional three-phase brushless dc motor controller/driver.
The three half-bridge o
A8906CLB Features
* and modes of operation, such as the speed control parameters, rotational direction, startup current limit, sleep mode, diagnostic modes, and others. The A8906CLB is fabricated in Allegro’s BCD (Bipolar CMOS DMOS) process, an advanced mixed-signal technology that combines bipolar, analog and digital
A8906CLB_AllegroMicroSystems.pdf
Datasheet Details
A8906CLB
Allegro MicroSystems
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Bidirectional 3-phase brushless dc motor controller/driver.
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