ICs for VCR AN3811NK Cylinder Hall motor driving IC for VCR ■ Overview 28.00±0.30 φ3.30 2.30±0.20 3.50±0.20 Unit: mm The AN3811NK is an IC designed for driving the VCR cylinder Hall motor. 3.80±0.20 16 1.10+0.20 –0.10 0.50+0.20 –0.10 (3.50) 1 1.778 1.30±0.20 8.00±0.30 • 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 12.80±0.20 ■ Features 0.40+0.15 –0.05 (1.70) (1.70) 29.40±0.30 ■ Applications HSIP016-P-0000A • VCR ■ Block Diagram Power block (NPN Tr × 3) Mode changeover B-EMF detection Charge/discharge circuit External synchronization Multiplier Preset 16 M3 15 ATC P3 13 P2 12 P1 11 GND 14 THD Oscillator 10 9 ET/DS 8 Torque instruction PC 7 HE− 6 HE+ 5 Waveform shaping VCC 4 PG/FG 3 VM 2 M2 M1 1 PG/FG processing FC Frequency divider 1 AN3811NK ICs for VCR ■ Pin Descriptions Pin No. Description Pin No. Description 1 Driving output 1 9 Torque command input 2 Driving output 2 10 Oscillation output pin 3 Motor power supply pin 11 Grounding pin 4 PG/FG output 12 Position signal pin 1 5 Power supply pin 13 Position signal pin 2 6 Hall element normal phase input 14 Position signal pin 3 7 Hall element reverse phase input 15 Total current output 8 Phase compensation pin 16 Driving output 3 ■ Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 Operating ambient temperature Storage temperature Circuit voltage *1 *1 *3 Circuit voltage Circuit current *3 Symbol Rating Unit VCC 6.0 V ICC mA PD 1 150 mW Topr −20 to +75 °C Tstg −55 to +150 °C Vn-11 40 V V3-11 20 V In 1.5 A Note) 1. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: Use this IC within the value of the PD at Ta = 75°C. *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. ■ Recommended Operating Range Parameter Supply voltage 2 Symbol Range Unit VCC 4.5 to 5.5 V VM 13.5 to 15.5 ICs for VCR AN3811NK ■ Electrical Characteristics at Ta = 25°C Parameter Circuit current Output saturation voltage Symbol Min Typ Max Unit 5 13 mA 0.8 V 4 mA 0.31 0.44 V AV 0.75 1.25 times ET OFFSET −50 30 mV −1.0 µA ICC VO(SAT) Ia = 0.6 A ATC residual voltage VIDLE ATC limiting voltage VLIMIT Input/output transfer gain Torque command input offset voltage ET input current Conditions IET External synchronization ET/DS = 2.5 V BFG takeout voltage VBFG 0.5 V Hall element input sensitivity ∆VHE 5 22 mV PG/FG tri-state output voltage 1 VO(H) IO = −30 µA 3.5 V PG/FG tri-state output voltage 2 VO(M) IO = ±10 µA 2.1 2.9 V PG/FG tri-state output voltage 3 VO(L) IO = 30 µA 0.9 V Flyback voltage V-I conversion gain GM 13 27 µS Position signal input dynamic range ∆VP 0.8 V −100 100 mV 1.3 2.0 V Position signal input offset voltage VP OFFSET Saturation det. start voltage V(DET) • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Symbol ATC limiting voltage temperature coefficient αVLIMIT FC oscillation frequency fC FC oscillation frequency coefficient αfC Conditions Min Typ Max Unit −900 ppm/°C C = 0.1 µF 122 147 184 Hz Not considering capacitance variation related to temperature −900 ppm/°C Note) VCC = 5 V, VM = 14 V unless otherwise specified. 3 AN3811NK ICs for VCR ■ Application Circuit Example Power block (NPN Tr × 3) Mode changeover B-EMF detection Charge/discharge circuit External synchronization Multiplier 4 Preset M3 16 ATC 15 P2 13 P1 12 P3 14 THD Oscillator GND 11 ET/DS 9 Torque instruction PC 8 HE− 7 Waveform shaping HE+ 6 VCC 5 PG/FG 4 VM 3 M2 2 M1 1 PG/FG processing FC 10 Frequency divider