lb1962 Unisonic Technologies, lb1962 Datasheet
lb1962
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lb1962 Summary of contents
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... UTC LB1962 SINGLE-PHASE FULL-WAVE MOTOR DRIVER IC DESCRIPTION The UTC LB1962 is a Single-phase full-wave motor driver designed specially for small DC fans. For example, CPU cooling fans. FEATURES * Wide operating voltage 5V or12V are both acceptable * Built-in Hall amplifier and Hall bias circuit. * Built-in lockup and thermal protection with automatic recovery circuits * Rotation detection output * start/stop pin for standby mode control ...
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... UTC LB1962 BLOCK DIAGRAM CT 0.47 to 1μF Discharge pulse Vcc IN + HALL - IN Hysteresis amplifier HB Thermal protection circuit ABSOLUTE MAXIMUM RATINGS (Ta=25 ) ℃ PARAMETER Maximum Supply voltage Maximum Output current Maximum Output withstand voltage Maximum output withstand voltage Maximum output current HB maximum output current ST maximum input voltage ...
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... UTC LB1962 ELECTRICAL CHARACTERISTICS (Ta=25℃, V =5V) CC PARAMETER Current drain Lockup detection Capacitor charge current Capacitor discharge current Capacitor charge/discharge current ratio CT charge voltage CT discharge voltage Output Low level voltage Output High level voltage Hall input sensitivity Output pin Low voltage Output pin leakage current ...
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... UTC LB1962 DESIGN REFERENCE (1) V pin CC Power supply pin for whole (2) OUT1, OUT2 pins Single-phase coil output pins. Bipolar forward or reverse drive output determined by OUT1 or OUT2 high. Built-in regenerative circuit that regenerates kickback current between lower side NPN outputs if a diode is used for protection against reverse connection. – ...
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... UTC LB1962 SAMPLE APPLICATION CIRCUIT C2 0.47 to 1μF Startup Vcc OUT CT FG UTC UNISONIC TECHNOLOGIES CO., LTD. www.unisonic.com LINEAR INTEGRATED CIRCUIT - Power-on Vcc FG OUT1 OUT2 GND 5 QW-R109-017,A ...
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... UTC LB1962 Locked-up protection and automatic recovery curves OUT FG CT Start or stop curve ST OUT FG UTC UNISONIC TECHNOLOGIES CO., LTD. www.unisonic.com LINEAR INTEGRATED CIRCUIT Locked Output ON Released QW-R109-017,A 6 ...
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... UTC LB1962 TYPICAL CHARACTERISTION Pdmax - Ta 1000 Specified substrate (114.3 ×76.2×1.5mm 850 800 600 400 200 0 - Ambient temperature Vo(sat 0.5 Vcc=3.8V Ta=25℃ 0.4 0.3 0.2 0 100 200 Output current, Io (A) Vo(sat 1.0 Vcc=3.8V Ta=25℃ 0.8 0.6 0.4 0 100 200 Output current, Io (mA) UTC UNISONIC TECHNOLOGIES CO., LTD. ...
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... UTC LB1962 UTC 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 UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...