bh6799fvm ROHM Co. Ltd., bh6799fvm Datasheet
bh6799fvm
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bh6799fvm Summary of contents
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... Soft switched drive 2) Incorporating lock protection and automatic restart circuit(BD6989FVM、BH6799FVM、BH6789FVM) 3) Rotating speed pulse signal (FG) output (BD6989FVM、BH6799FVM、BH6766FVM) 4) Lock alarm signal (AL) output (BH6789FVM) 5) PWM speed control (BD6989FVM) 6) MSOP8 compact package ● ...
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... FG signal output current FG signal output voltage Junction temperature Reduce by 4.68mW/℃ over 25℃. ＊ (70.0mm×70.0mm×1.6mm glass epoxy board) This value is not to exceed Pd. ＊＊ ◎BH6799FVM Parameter Supply voltage Power dissipation Operating temperature Storage temperature Output current FG signal output current ...
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... This value is not to exceed Pd. ＊＊ ●OPERATING CONDITIONS ◎BD6989FVM Parameter Operating supply voltage range Hall input voltage range ◎BH6799FVM, BH6789FVM Parameter Operating supply voltage range Hall input voltage range ◎BH6766FVM Parameter Operating supply voltage range Hall input voltage range ...
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... PWM input L level Input frequency Output voltage Input-output Gain FG low voltage FG leak current Input hysteresis voltage Lock detection ON time Lock detection OFF time ◎BH6799FVM, BH6789FVM Parameter Circuit current Input offset voltage Output voltage Input-output Gain FG low voltage AL low voltage Input hysteresis voltage ...
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... FG current, IFG[mA] Fig.6 FG low voltage 6.00 5.75 5.50 5.25 95 ℃ 5.00 25 ℃ -40 ℃ 4.75 4.50 4.25 Operating Voltage Range 4. Supply voltage, Vcc[V] Fig.9 Lock detection OFF time BH6799FVM/BH6789FVM 0.0 -0.2 -0.4 105 ℃ -0.6 25 ℃ -0.8 -40 ℃ -1.0 0.0 0.1 0.2 0.3 0.5 0.6 0.7 Output current, Io [A] Fig.12 Output H voltage BD6989FVM -40 ℃ 25 ℃ 95 ℃ BD6989FVM 2. ...
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... Operating Voltage Range - Supply voltage, Vcc[V] Fig.15 Input hysteresis voltage BH6799FVM/BH6789FVM 1.6 105 ℃ 25 ℃ 1.2 -40 ℃ 0.8 0.4 0 Hall bias current, IHB[mA] Fig.18 Hall bias voltage BH6766FVM 0.0 -0.2 -40 ℃ ...
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... HALL OSC : Internal reference oscillation circuit TSD : Thermal shutdown (heat rejection circuit) PIN No ◎BH6799FVM, BH6789FVM Incorporates soft switching function. Adjust at an optimum value because gradient of switching of output waveform depends on hall element output. P.10 HALL PIN No ...
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Incorporates soft switching function. Adjust at an optimum value because gradient of switching of output waveform depends on hall element output. P.10 HALL PIN No ●Truth table ◎BD6989FVM ...
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... FG output AL output 1) Lock protection and automatic restart circuit ＜BD6989FVM、BH6799FVM、BH6789FVM＞ Motor rotation is detected by hall signal, and lock detection ON time (TON) and lock detection OFF time (TOFF) are set by IC internal counter. External part ( not required. Timing chart is shown in Fig.25. ...
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... In this case, place a capacitor like C2 in Fig.29 Hall bias current ＝ ( ＜BH6799FVM、BH6789FVM、BH6766FVM＞ Fig.28 Hall input voltage range HB Hall element Fig.29 Application near of hall signal 10/16 Vcc Hall input voltage range upper limit Hall input voltage range lower limit ...
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... Resistance is a typical value. ◎BD6989FVM 1) Hall input terminal, Motor output terminal Vcc 500Ω 500Ω 1kΩ 1kΩ ◎BH6799FVM/BH6789FVM/ BH6766FVM 1) Hall input terminal, Motor output terminal Vcc 500Ω 500Ω 1kΩ 1kΩ Fig.30 Timing chart in PWM control L logic : H side output is off 150kΩ ...
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Reverse connection protection diode Reverse connection of power results in IC destruction as shown in Fig.31. When reverse connection is possible, reverse connection protection diode must be added between power supply and Vcc. In normal energization Vcc ...
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Problem of GND line PWM switching Do not perform PWM switching of GND line because GND terminal potential cannot be kept to a minimum and AL output FG and AL output is an open collector and requires ...
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... Reduce by 4.68 mW/°C over 25°C. (70.0mm × 70.0mm × 1.6mm glass epoxy board) Fig.38 Thermal derating curve 14/16 [ ℃ /W] [ ℃ /W] BD6989FVM 、 BH6799FVM BH6789FVM 、 BH6766FVM 105 125 150 Ta( ℃ ) ...
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Cautions on use 1) Absolute maximum ratings An excess in the absolute maximum rations, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a ...
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Part Number ・BH6799 ・BD6989 ・BH6789 ・BH6766 ●PHYSICAL DIMENSION MSOP8 <Dimension> 2.9 ± ...
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Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...