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KA3086D

Fairchild
Part Number KA3086D
Manufacturer Fairchild
Description 2-Phase BLDC Motor Driver
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com FAN8486D (KA3086D) 2-Phase BLDC Motor Driver Features • • • • • • Drives the BLDC motor using 2 ...
Datasheet PDF File KA3086D PDF File

KA3086D
KA3086D

Overview
www.
fairchildsemi.
com FAN8486D (KA3086D) 2-Phase BLDC Motor Driver Features • • • • • • Drives the BLDC motor using 2 hall sensors.
2-phase, full-wave drive method Built-in thermal shutdown (TSD) circuit Controls the motor speed through voltage Built-in bandgap circuit Built-in frequency Generator (FG) & Phase Generator (PG) amplifier & comparator.
Descripiton The FAN8486D is a monolithic integrated circuit, and it is suitable for drum motor driver of VCR system.
28-SSOP-300SG Typical Applications • Video cassette recorder (VCR) cylinder (drum) motor • Other 2-phase BLDC motor Ordering Information Device FAN8486D Package 28-SSOP-300SG Operating Temp.
−25°C ~ +75°C −25°C ~ +75°C FAN8486DTF 28-SSOP-300SG Rev.
1.
0.
1 February.
2000.
©2000 Fairchild Semiconductor International 2 1 2 3 4 54 6 7 27 28 FAN8486D (KA3086D) PVCC2 SGND Pin Assignments NC VCTL 26 NC FGOUT 25 NC FGAMPOUT 24 OUT2P FGIN 23 PGND2 FG(V25) 22 OUT2N VREG 21 FAN8486D OUT1P PG(V25) 8 9 20 Rev.
1.
0.
1 February.
2000.
PGND1 10 PGIN 19 OUT1N PGAMPOUT 18 11 NC PGOUT 12 14 17 PVCC1 H2N 13 16 SVCC H2P 14 15 H1P H1N FAN8486D (KA3086D) Pin Definitions Pine Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name PVCC2 NC NC NC OUT2P PGND2 OUT2N OUT1P PGND1 OUT1N NC PVCC1 SVCC H1P H1N H2P H2N PGOUT PGAMPOUT PGIN PG(V25) VREG FG(V25) FGIN FGAMPOUT FGOUT VCTL SGND I/O O O O O O I I I I O O I I O O I Output drive 2(P) Power ground 2 Output drive 2(N) Output drive 1(P) Power ground 1 Output drive 1(N) Power supply voltage1 Signal supply voltage Hall signal input 1P Hall signal input 1N Hall signal input 2P Hall signal input 2N Phase generate output Phase generate amp.
output Phase generate input Reference voltage for PG Regulated voltage Reference voltage for FG Frequency generate input Frequency generate amp.
output Frequency generate output Voltage control(motor speed control) Signal ground Pin Function Description Power sup...


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