Part number: 8905
Manufacturer: Allegro MicroSystems
File Size: 163.20KB
Download: 📄 Datasheet
Description: 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING
and modes of operation, such as the speed control parameters, startup current limit, sleep mode, diagnostic modes, and others.
LOAD SUPPLY C D2 C WD CST
1 2
V BB
COMM.
s CD-ROMs s DVDs
10 11
VDD
15 14
LOGIC SUPPLY INDEX
BOOST CHARGE PUMP
12
13
FILTER
FEATURES
s s s s s s s s s s.
Power Outputs. The power outputs of the A8905CLB are n-channel DMOS transistors with a total source plus sink rDS(on) of typically 1.1 Ω. Internal charge pump boost circuitry provides voltage above supply for driving the high-side DMOS gates. Intrins.
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