NJU7329A New Japan Radio, NJU7329A Datasheet
NJU7329A
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NJU7329A Summary of contents
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... Single-phase DC Brushless Motor Driver IC GENERAL DESCRIPTION The NJU7329A is a single-phase DC brushless motor driver IC for small fan-motor and high power applications. It features MOS-FET driver circuit for better saturation characteristics. Slew late of amplifiers and feedback resistors are optimized to achieve low-noise motor operation. The NJU7329A also includes. Frequency generator (FG) output for various control needs ...
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... NJU7329A ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Output Current (Peak) Operating Temperature Range Storage Temperature Range Power Dissipation RECOMMENDED OPERATING CONDITIONS V =2.4V 5.5V DD ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Operating Current I DD Input Offset Voltage V IO Input Common Mode V ICM Voltage Range ...
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... TIMING CHART IN+ IN- OUTA OUTB Ct FG Ver.2003-07-28 NJU7329A - 3 - ...
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... NJU7329A TYPICAL CHARACTERISTICS VDD-IDD IN-=VDD, IN+=0V, Ct=0V, VSS=0V 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 VDD[V] VDD-VOM(BTL)[AMPB=L] Iout=350mA, IN-=0V, IN+=VDD/2, Ct=0V, VSS=0V 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 VDD[V] VDD-IDCHG IN-=VDD, IN+=0V, VSS=0V 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 2 2.5 3 3.5 VDD[ 4.5 5 5.5 6 VDD-VOM(BTL)[AMPA=H] Iout=350mA, IN-=0V, IN+=VDD/2, Ct=0V, VSS=0V 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 VDD[V] VDD-VCL IN-=VDD/2, IN+=0V, VSS=0V, Ct=L→H 4 ...
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... TYPICAL CHARACTERISTICS 5.00 4.95 4.90 4.85 4.80 4.75 4.70 4.65 4.60 4.55 Ver.2003-07-28 VDD-ICHG IN-=VDD, IN+=0V, VSS=0V 1.5 1.3 1.1 0.9 0.7 0.5 0.3 2 2.5 3 3.5 4 VDD[V] Iout-VOM(BTL)[AMPA=H] VDD=5V, IN-=0V, IN+=VDD/2, Ct=0V, VSS=0V 0 100 200 300 Iout[mA] Iout-VOM(BTL)[AMPB=L] VDD=5V, IN-=0V, IN+=VDD/2, Ct=0V, VSS=0V 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 100 200 300 Iout[mA] NJU7329A 4.5 5 5.5 6 400 500 600 400 500 600 - 5 - ...
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... APPLICATION NOTE The NJU7329A is a single-phase DC brushless motor driver IC featuring CMOS process suitable for fan motor drivers for a small equipment such as the note personal computers. [Application Circuit Example GND R1 Hall ...
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... In actual application, Lock detection time (Ton) is affected by the mechanical time constant of a motor. Therefore, constant start up must be confirmed in actual evaluation taking operating variations (i.e.Temperature, Voltage change and so on) in consideration. Ver.2003-07-28 sec sec sec sec NJU7329A ) and Auto Resume Time (Toff ...
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... The output voltage of hall elements is influenced by the bias current and magnetic flux density of hall elements. The optimum input voltage of NJU7329A is 100mVp-p and higher. With such input voltage, the highest efficiency can be obtained. 4. Design of FG output resistsnce (R3) FG Out(FG:Pin8 open drain output and pull up register. A typical value 10k . The timing chart of FG Out is as follows ...
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... OUTPUT CURRENT [mA] NJU7329A 700 700 The specifications on this data book are only given for information, without any guarantee as regards either mistakes or omissions. The application circuit in this data book are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights ...