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TDA5144AT Datasheet(PDF) 9 Page - NXP Semiconductors

Part No. TDA5144AT
Description  Brushless DC motor drive circuit
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 9 page
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June 1994
9
Philips Semiconductors
Product speciļ¬cation
Brushless DC motor drive circuit
TDA5144
Notes to the characteristics
1. An unstabilized supply can be used.
2. VVMOT =VP, all other inputs at 0 V; all outputs at VP;
IO = 0 mA.
3. Switching levels with respect to MOT1, MOT2 and
MOT3.
4. Drivers are in the high-impedance OFF-state.
5. The outputs are short-circuit protected by limiting the
current and the IC temperature.
Fig.6 Output transition time measurement.
APPLICATION INFORMATION
(1) Value selected for 3 Hz start-up oscillator frequency.
Fig.7 Application diagram without use of the operational transconductance amplifier (OTA).




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