fs6989 Fortune Semiconductor Corporation, fs6989 Datasheet
fs6989
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fs6989 Summary of contents
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... REV. 0.2 FS6989-DS-02_EN Datasheet FS6989 Single-phase Full-wave Motor Driver NOV 2006 ...
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... This manual contains new product information. Fortune Semiconductor Corporation reserves the rights to modify the product specification without further notice. No liability is assumed by Fortune Semiconductor Corporation as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 0.2 FS6989 2/13 ...
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... General Description The FS6989 is a single-phase full wave brushless DC motor driver IC with the functions for thermal shutdown, lock protection, power polarity reverse protection, hall bias circuit and external PWM speed control. The driver is optimal for single coil fan applications with less external components. ...
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... Functional Block Diagram IN Fig2 Functional Block Diagram 8. Typical Application Circuit Fig3 Application Circuit Rev. 0.2 FS6989 4/13 ...
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... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 10. Operating Conditions (Ta = 25℃) Parameter Operating Supply Voltage Range Hall Input Voltage Range Rev. 0.2 Symbol Limit V 2 FS6989 Unit V V 5/13 ...
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... V +0 -0.4 0. 0.02 50 KHz 4.4 0.6 400 mA 5 0.3 256 7 PWM FS6989 Test Condition/Comments 400mA OUT 400mA OUT Ω µ 7 OFF L(Output Tr: ON) H Z(Output Tr: OFF) ...
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... Detail Description 1. Wide supply voltage range The FS6989 drives fan motor with wide supply voltage range from 2.8 ~ 6.5V. With low voltage start-up feature, the design, specifications and performance have been optimized for 3V and 5V single-phase full-wave brushless DC motor applications pin open-drained output The FG pin is an open-drained output and the output frequency is the same with that sensed by HALL sensor ...
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... C2 in fig6. If there is long board wiring pattern from hall element to hall signal input terminal, please connect C1 like fig6. Rev. 0 VDD Hall Element ± 10mV (Typ.) input hysteresis to against noise still influences the hall signal by board wiring DD FS6989 -1.1V DD 8/13 ...
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... PWM terminal. Fig7 PWM speed control timing chart The PWM terminal is internally pulled high. When PWM terminal is open equal to high. PWM terminal has input hysteresis Rev. 0.2 ± 600mV (Typ.) FS6989 9/13 ...
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... IC package. The recommended motor driver power dissipation versus temperature is depicted as follows. 700 600 500 400 300 200 100 0 0 Fig9 Power dissipation versus temperature To use at temperature above Ta=25 Rev. 0.2 Power Dissipation Temperature 100 Ambient Temperature ( ℃ ) reduce 4.6mW/ ℃ FS6989 125 150 ℃ 10/13 ...
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... Dimensions in Inch Nom Max Min Nom 0.95 1.10 0.032 0.0375 0.09 0.15 0.002 0.004 0.86 0.97 0.030 0.034 0.30 0.38 0.011 0.012 0.15 0.23 0.005 0.006 3.00 3.10 0.114 0.118 4.90 5.10 0.185 0.193 3.00 3.10 0.114 0.118 0.65 ---- ---- 0.026 0.53 0.66 0.016 0.021 0 0 ---- 6 0 0.95 1.05 0.033 0.037 FS6989 Max 0.043 0.006 0.038 0.015 0.009 0.122 0.201 0.122 ---- 0.026 0 ---- 6 0.041 11/13 ...
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... Ver. Date Page 0.1 2006/1/ 0.2 2006/11 Rev. 0 EVISION ISTORY Description New Release. Format Revised Ordering information Revised Electrical Characteristic VHYS Max changed mV Fig 7 PWM speed control timing chart revised FS6989 Revised By J.S.Hu J.S.Hu ± J.S.Hu 12/13 ...