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BA6901F Datasheet(PDF) 8 Page - Rohm |
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BA6901F Datasheet(HTML) 8 Page - Rohm |
8 / 21 page 8/17 BA6901F Datasheet Datasheet TSZ02201-0H1H0B100500-1-2 © 2012 ROHM Co., Ltd. All rights reserved. 18.DEC.2012 Rev.002 TSZ22111・15・001 www.rohm.com ●Application circuit example(Constant values are for reference) Substrate design note a) IC power, motor outputs, and motor ground lines are made as fat as possible. b) IC ground (signal ground) line is common with the application ground except motor ground (i.e. hall ground etc.), and arranged near to (–) land. c) The bypass capacitor and/or Zenner diode are arrangement near to Vcc terminal. d) H+ and H– lines are arranged side by side and made from the hall element to IC as shorter as possible, because it is easy for the noise to influence the hall lines. Fig.12 application circuit Output Tr is equipped externally. Provide a back electromotive force regenerating current route by Zenner diode for clamping. Take a measure against Vcc voltage rise generated by reverse connection of current and back electromotive force. Set according to the amplitude of hall element output and hall input voltage range. Output current detecting resistor. Pay attention to wattage because large current is present Enables speed control by pulse input. Incorporates power supply clamp circuit and enables application of high voltage. Current limit setting resistor. Incorporates charging and discharging pulse circuit and enables speed control corresponding to ambient temperature with use of thermistor. Lock detection ON time and lock detection OFF time can be set. Phase compensating capacitor when current is limited. 1 + - HALL - + A2 + - 2 3 4 5 6 7 8 REG - + + - Lock Detect Auto Restart PWM A1 CR FG AL ALB PWM LD CNF GND 16 15 14 13 12 11 10 9 Vcc A2 A1 CL CS H- H+ TOUT 0.1μF ∼4.7μF ∼5Ω 5kΩ ∼200kΩ 0.47μF ∼4.7μF 0.001μF ∼0.1μF |
Similar Part No. - BA6901F_12 |
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Similar Description - BA6901F_12 |
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