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| ICs for VCR AN3811NK Cylinder Hall motor driving IC for VCR s Overview 3.500.20 Unit: mm 28.000.30 3.30 The AN3811NK is an IC designed for driving the VCR cylinder Hall motor. 2.300.20 3.800.20 s Features * Operating supply voltage range: VCC = 4.5 V to 5.5 V * Motor voltage: VM = 5 V to 20 V * Maximum output current: Iomax = 1.5 A * Three-phase, half-wave and overlap driving lowers a magnetic sound noise. * PG/FG generating circuit built in * Thermal protection circuit built in 8.000.30 1.300.20 1 1.778 1.10+0.20 -0.10 16 0.50+0.20 -0.10 (3.50) 12.800.20 (1.70) 0.40+0.15 -0.05 (1.70) s Applications * VCR 29.400.30 HSIP016-P-0000A s Block Diagram Power block (NPN Tr x 3) Mode changeover External synchronization Frequency divider PG/FG processing 1 2 3 4 5 B-EMF detection Charge/discharge circuit Multiplier Preset THD 12 13 14 15 ATC 16 M3 1 Waveform shaping 6 7 Torque instruction 8 9 Oscillator 10 FC 11 GND PG/FG M1 M2 PC ET/DS P1 P2 VM VCC HE+ HE- P3 AN3811NK s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 Description Driving output 1 Driving output 2 Motor power supply pin PG/FG output Power supply pin Hall element normal phase input Hall element reverse phase input Phase compensation pin Pin No. 9 10 11 12 13 14 15 16 ICs for VCR Description Torque command input Oscillation output pin Grounding pin Position signal pin 1 Position signal pin 2 Position signal pin 3 Total current output Driving output 3 s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 *1 Symbol VCC ICC PD Topr Tstg Vn-11 V3-11 *1 Rating 6.0 1 150 -20 to +75 -55 to +150 40 20 1.5 Unit V mA mW C C V V A Operating ambient temperature Storage temperature Circuit voltage Circuit voltage Circuit current *3 *3 In Note) 1. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: Use this IC within the value of the PD at Ta = 75C. *3: n = 1, 2, 16 2. Do not apply external currents or voltages to any pins not specifically mentioned. 3. For circuit currents, '+' denotes currents flowing into the IC, and '-' denotes current flowing out of the IC. s Recommended Operating Range Parameter Supply voltage Symbol VCC VM Range 4.5 to 5.5 13.5 to 15.5 Unit V 2 ICs for VCR s Electrical Characteristics at Ta = 25C Parameter Circuit current Output saturation voltage ATC residual voltage ATC limiting voltage Input/output transfer gain Torque command input offset voltage ET input current BFG takeout voltage Hall element input sensitivity PG/FG tri-state output voltage 1 PG/FG tri-state output voltage 2 PG/FG tri-state output voltage 3 Flyback voltage V-I conversion gain Position signal input dynamic range Symbol ICC VO(SAT) Ia = 0.6 A VIDLE VLIMIT AV ET OFFSET IET VBFG VHE VO(H) VO(M) VO(L) GM VP IO = -30 A IO = 10 A IO = 30 A ET/DS = 2.5 V External synchronization Conditions Min 5 0.31 0.75 -50 -1.0 5 3.5 2.1 13 0.8 -100 1.3 Typ AN3811NK Max 13 0.8 4 0.44 1.25 30 0.5 22 2.9 0.9 27 100 2.0 Unit mA V mA V times mV A V mV V V V S V mV V Position signal input offset voltage VP OFFSET Saturation det. start voltage * Design reference data V(DET) Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter ATC limiting voltage temperature coefficient FC oscillation frequency FC oscillation frequency coefficient Symbol VLIMIT fC fC C = 0.1 F Conditions Min 122 Typ -900 147 -900 Max 184 Unit ppm/C Hz ppm/C Not considering capacitance variation related to temperature Note) VCC = 5 V, VM = 14 V unless otherwise specified. 3 AN3811NK s Application Circuit Example ICs for VCR Power block (NPN Tr x 3) Mode changeover External synchronization Frequency divider PG/FG processing M1 1 M2 2 VM 3 PG/FG 4 VCC 5 B-EMF detection Charge/discharge circuit Multiplier Preset THD P1 12 P2 13 P3 14 ATC 15 M3 16 Waveform shaping HE+ 6 HE- 7 Torque instruction PC 8 ET/DS 9 Oscillator FC 10 GND 11 4 |
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