AN3811NK Datasheet, PDF (1/4 Pages) Panasonic Semiconductor – Cylinder Hall motor driving IC for VCR

ICs for VCR
AN3811NK
Cylinder Hall motor driving IC for VCR
s Overview
The AN3811NK is an IC designed for driving
the VCR cylinder Hall motor.
s Features
• Operating supply voltage range:
V_CC = 4.5 V to 5.5 V
• Motor voltage: V_M = 5 V to 20 V
• Maximum output current: I_omax = 1.5 A
• Three-phase, half-wave and overlap driving low-
ers a magnetic sound noise.
1
• PG/FG generating circuit built in
1.778
• Thermal protection circuit built in
s Applications
• VCR
28.00±0.30
φ3.30
Unit: mm
3.80±0.20
1.10^{+–00..1200}
16
0.50^{+–00..1200}
(1.70)
0.40^{+–00..0155}
(1.70)
29.40±0.30
HSIP016-P-0000A
s Block Diagram
Power block (NPN Tr × 3)
Mode
changeover
External
synchronization
Frequency
divider
B-EMF
detection
Charge/discharge
circuit
Multiplier
Preset
PG/FG
processing
Waveform
shaping
Torque
instruction
Oscillator
THD
1