lb11891v Sanyo Semiconductor Corporation, lb11891v Datasheet
lb11891v
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lb11891v Summary of contents
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... Ordering number : ENN7113 Overview The LB11891V is a 3-phase brushless motor driver IC that is optimal for streaming tape drive motors and similar applications. Functions and Features • Three-phase full-wave voltage drive (120° voltage- linear drive) • Torque ripple correction circuit (overlap correction) • ...
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... Leakage current IFRCLK [VH] Hall supply voltage VHALL Minus (–) pin voltage VH (–) *: Design target value parameters are not tested. Note 1. The standard for the overlap amount parameter is to report the measured value without change. LB11891V Symbol Conditions 1 ≤ ...
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... Thermal shutdown circuit (TSD) T-TSD operating temperature ∆TSD TSD temperature hysteresis *: Design target value parameters are not tested. LB11891V Conditions When the sink current is 0.5 mA Pulled up through 10 kΩ internally VLOCK = 3 V VLOCK = 0 V Design target value* Design target value* Pd max — ...
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... Note: For the Hall sensor inputs, the input “H” state is a state where the + input is at least 0.02 V higher than the - input, and the input “L” state is a state where the + input is at least 0.02 V lower than the – input. LB11891V Hall inputs ...
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... Pin Assignments V V LOCK ANGLE LB11891V OUT RF 6 LB11891V 7 OUT OUT VH+ 10 VH– Top view FG2 22 FG1 STBY 15 14 FRC ...
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... Block Diagram Drive signal current generation Synthesized signal level shifters LB11891V Hall input synthesis block (matrix) No. 7113-6/11 ...
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... Since – V and – VXL, the low side overlap can be calculated as follows. C ((VS – VXH + VXL)/2) – V Overlap = — = ————————————— D ((VS – VXH + VXL)/2) – VXL LB11891V A B Electrical angle 180 C ...
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... Application Circuit Example LB11891V k 20 No. 7113-8/11 ...
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... VH+ and VH– pins. (When mA) 11 VH– Comparator output for U 22 FG1 Comparator output for V 23 FG2 Three-phase synthesized output for the and W phase comparator output. LB11891V Function 1.2VTYP 12 1/4*VS 1/4* and and ...
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... Power supply used for voltages other than the motor voltage, the source side 2 pre-driver voltage, and the coil waveform detection comparator. Ground used for all systems other than 13 GND the output system. LB11891V Function 14 4 Equivalent circuit 100 k No. 7113-10/ ...
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... SANYO 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, 2004. Specifications and information herein are subject to change without notice. LB11891V PS No. 7113-11/11 ...