LB11885 Sanyo Semiconductor Corporation, LB11885 Datasheet
LB11885
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LB11885 Summary of contents
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... Ordering number : EN7884A LB11885 Overview LB11885 is a three-in-one motor driver for portable VCR. Features • Capstan motor drive unit 3-phase, 120 degrees full conducting, direct PWM drive Built in PWM oscillator Current limiter (It is fixed internally and setup externally.) Forward/reverse rotation ...
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... C_LIM control start voltage C_LIM gain C_LIM pin short brake release voltage C_CNT input voltage range * Note: Thermal design must be set for a junction temperature of 140° design target value and measurement is not carried out. LB11885 Symbol Conditions VREG max C_V CC max D_V CC max ...
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... Hysteresis amplifier threshold level 1 Hysteresis amplifier threshold level 2 PG output high level voltage PG output low level voltage FG/PG mix MID voltage Internal current limiter setup voltage Loading Unit 25°C, VREG = 5V 12V Input voltage LB11885 Symbol Conditions ICCTL C_CNT = 3V VCCNTST C_RF = 0.5Ω GCCNT C_RF = 0.5Ω ...
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... Pd max - Ta 1.0 Independent IC 0.85 0.8 0.6 0.4 0 Ambient temperature °C LB11885 Symbol Conditions 0V, source side I LIN 5V, sink side VSAT U-1 L_VREF = LV CC Between output and 0.6A, CW/CCW mode VSAT L-1 L_VREF = LV CC Between output and 0.6A, CW/CCW mode VSATIL L_VREF = LV CC SINK+SOURCE ...
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... D_C2 2200pF PLL 560kΩ D_PCOUT D_VCOIN 0.47µF D_CX 0.022µF 200Ω D_CNT 0.1µF D_FC 200Ω 200Ω D_PG+ D_PG- LB11885 FRC MATRIX & LOGIC TSD - OSC Rotor position detector circuit Mask circuit Timing control Soft switching ...
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... Sample Application Circuit 103F 100µF 51pF 104F 103F×3 104F 100kΩ 103F 10kΩ LB11885 1 C_HU+ 2 C_HU- 3 C_FR C_HW+ 4 C_V CC 5 C_Rfsense 5kΩ 6 C_Rfpower 0.5Ω C_MGND C_FGOUT 7 C_FGIN 8 C_WOUT 9 C_VOUT C_UOUT 10 L_OUT1 C_PWM 11 L_MGND 12 L_V CC L-VREF 13 L_OUT2 ...
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... Pin Assignment D_RGOUT1 LB11885 C_HU+ 1 C_HU- 2 C_FR 3 C_V CC 4 C_Rfsense 5 C_Rfpower 6 C_MGND 7 C_WOUT 8 C_VOUT 9 C_UOUT 10 L_OUT1 11 L_MGND 12 LB11885 L_V CC 13 L_OUT2 14 D_VOUT 15 D_UOUT 16 D_WOUT 17 D_Rf 18 D_COM 19 D_V CC 20 D_MGND 21 22 D_PG+ 23 D_PG- 24 C_HV- 48 C_HV+ 47 C_HW- 46 C_HW+ 45 C_FGS 44 VREG 43 C_FGOUT 42 C_FGIN ...
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... V CC -1.5V 42 C-FGOUT 44 C-FGS 3 C- LB11885 Pin Description Power pin of capstan motor driver Power pin of drum motor driver Power pin of loading motor driver Power pin to provide all voltages other than the output transistor and pre-drive Capstan motor GND GND for all other than output U-phase Hall element input pin HU+> ...
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... C-CNT C-WOUT 9 C-VOUT 10 C-UOUT 6 C-RFP LB11885 Pin Description Capstan control loop frequency characteristics compensation pin Capstan current detection filter pin Connect the current detected at C- RFP to this pin after passing 39 through the CR filter. Capacitor connection pin for PWM oscillation at capstan 38 Capstan current limit setting pin ...
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... D-FC 32 D-CNT D-MGND 23 D-PG+ 24 D-PG- LB11885 Pin Description Drum frequency characteristics compensation pin. Insertion of a capacitor to GND stops oscillation of the closed loop of current control system Drum speed control pin. Control is the constant current control to which current return is applied from DRS. Drum current control sensing GND pin ...
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... Pin voltage No 22 D-PGOUT1 33 D-PGOUT2 34 D-FGOUT 26 D-VCOIN 25 D-PCOUT LB11885 Pin Description Drum PG amplifier linear output pin Drum PG Schmidt amplifier output pin Drum motor reverse counter- electromotive voltage detection output pin (three-phase synthesizing) VCO circuit voltage input pin of drum block. The PCOUT pin voltage is input via CR filter ...
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... D-RF 19 D-COM 30 D-C1 29 D-C2 27 D-CX LB11885 Pin Description Drum motor driver output pin Minimum potential of drum motor driver output transistor. Constant- current control is made through detection of this voltage. The current limiter also functions by detecting this potential. Motor coil neutral point input pin. The ...
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... No 36 L-VREF 0 to LVCO 31 L- L-OUT1 14 L-OUT2 12 L-MGND LB11885 Pin Description Loading output voltage setting pin 36 Loading logic input pin Loading motor driver output pin Loading output transistor GND pin Equivalent Circuit 11 14 30kΩ 30kΩ 50kΩ 20kΩ ...
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... Timing Chart and Truth Table 1. Capstan Motor Driver Drive waveform (C_FR = L) (HU+) - (HU-) (HV+) - (HV-) (HW+) - (HW-) CUOUT CVOUT CWOUT LB11885 No.7884-14/18 ...
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... Capstan Motor Driver Drive waveform (FRC = H) (HU+) - (HU-) (HV+) - (HV-) (HW+) - (HW-) CUOUT CVOUT CWOUT LB11885 No.7884-15/18 ...
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... Cautions for use) • When the direct reversion brake used, keep the voltage at the C_LIM terminal 3.1kV or less so that IOMAX is not exceeded. • The capacitor to be used between power supply and GND should be an electrolytic capacitor of 47µF or more. LB11885 Hall input FRC U ...
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... Drum Motor Driver Drive current waveform IDUOUT current waveform IDVOUT current waveform IDWOUT current waveform BFGO 5. Loading Motor Truth table Input LIN L M (or OPEN) H LB11885 Counter electromotive Counter electromotive detection detection Counter electromotive Counter electromotive detection detection Counter electromotive Counter electromotive detection detection Output ...
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... SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 2007. Specifications and information herein are subject to change without notice. LB11885 PS No.7884-18/18 ...