LB1876_09 SANYO [Sanyo Semicon Device], LB1876_09 Datasheet
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LB1876_09
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LB1876_09 Summary of contents
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Ordering number : EN6201B Monolithic Digital IC LB1876 For Polygon Mirror Motors 3-phase Brushless Motor Driver Overview The LB1876 is a driver for polygon mirror motors such as used in laser printers and similar equipment. It incorporates all necessary circuitry ...
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Allowable Operating Ranges 25°C Parameter Symbol Power supply voltage range regulated output current I REG LD pin voltage V LD FGS pin voltage V FGS LD pin output current I LD FGS pin output ...
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Continued from preceding page. Parameter Symbol Phase Comparator Output Output High level voltage V PDH Output Low level voltage V PDL Output source current I PD − Output sink current Phase Lock Detector Output Output saturation voltage ...
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Package Dimensions unit : mm (typ) 3235A 17.8 (6.2) 2 (0.5) 2.0 0.8 0.3 Pin Assignment 3-phase Logic Truth Table IN1 IN2 IN3 ...
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Block Diagram FGFIL FGIN + FGIN − CLK CLK PWM PWM OSC S/S S/S BRSEL BRSEL CSD SD OSC IN1 + IN1 − IN2 + IN2 − VREG LB1876 VREG VREG FGS LD LDSEL LDSEL FG LD FILTER VREG PLL ...
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Pin Function Pin No. Pin name 2 OUT1 Motor drive output pins. 1 OUT2 PWM controls duty cycle ratio by lower transistors. 36 OUT3 Connect Schottky diodes between the outputs and GND3 Output block ground. 28 ...
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Continued from preceding page. Pin No. Pin name 16 FGFIL FG filter pin. If noise on the FG signal is a problem, insert a capacitor (under about 2200pF) between this pin and ground. 17 CSD Restraint protection circuit operating time ...
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Continued from preceding page. Pin No. Pin name 22 PD Phase comparator output pin. The phase error is converted to a pulse duty and output from this pin. 23 CLD Phase lock signal mask time setting pin. A mask time ...
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Continued from preceding page. Pin No. Pin name 31 VREG Stabilized power supply output (5V output) pin. Insert a capacitor between this pin and ground for stabilization. (About 0.1µF.) 32 LDSEL Phase lock signal mask switching pin. Low ...
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LB1876 Overview 1. Speed control circuit This IC provides high-precision, low-jitter, and stable motor rotation since it adopts a PLL speed control technique. This PLL circuit compares the phases of the edges on the CLK signal (falling edges) and the ...
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FG input signal Normally, one of the Hall sensor signals is input signal. If noise on the FG input is a problem, insert either a capacitor or a filter consisting of a capacitor and a resistor. ...
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SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all ...