tb6548f TOSHIBA Semiconductor CORPORATION, tb6548f Datasheet
tb6548f
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tb6548f Summary of contents
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... TOSHIBA CMOS Integrated Circuit Silicon Monolithic 3-Phase Full-Wave PWM Sensorless Controller for Brushless DC Motors TB6548F is a 3-phase full-wave sensorless controller for brushless DC motors capable of controlling voltage by PWM signal input capable of PWM type sensorless driving when used conjunction with TA84005F ...
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... Tin LA0 1 24 WAVE LA1 PWM 22 OUT_WN OUT_WP FG_OUT 6 19 OUT_VN OUT_VP OUT_UN OUT_UP Tin GND TB6548F OUT_UP 14 OUT_VP 17 OUT_WP 21 15 OUT_UN OUT_VN 19 OUT_WN WAVE 24 2001-08-28 ...
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... U-phase winding wire positive ON/OFF switching pin ON: Low, OFF: High U-phase winding wire negative ON/OFF switching pin ON: High, OFF: Low V-phase winding wire positive ON/OFF switching pin ON: Low, OFF: High V-phase winding wire negative ON/OFF switching pin ON: High, OFF: Low 3 TB6548F 17 /(6 × 2001-08-28 ...
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... High on this pin can put constraints on the turn-on signal which is performing PWM control. Built-in pull-up resistor Inputs majority logic synthesis signal of three-phase pin voltage. Built-in pull-up resistor (resonator pin and counter bit select pin) = Resonator frequency f /(6 × 250 ns 250 ns 4 TB6548F (bit + 3) ) bit = 14 2001-08-28 ...
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... PWM Control Upper turn-on signal (OUT-P) Lower turn-on signal (OUT-N) Output voltage of TA84005F 5 TB6548F 2001-08-28 ...
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... PWM signal. Be especially careful when the IC is used for high-speed motors. PWM signal Output voltage of TA84005F Reference voltage Positional signal Ideal detection timing Variation is calculated by detecting at two consecutive rising edges of PWM signal. 1/f < Detection time variation < 2/f p Pin voltage Actual detection timing f : PWM frequency TB6548F 2001-08-28 ...
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... U V PWM control PWM control PWM control PWM control U V PWM control PWM control PWM control PWM control 7 TB6548F W PWM control PWM control PWM control PWM control PWM control PWM control W PWM control PWM control PWM control PWM control PWM control ...
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... Detection timing Start 512 periods at the resonator frequency PWM signal Detection timing Stop 512 periods at the resonator frequency Note: Take sufficient care for noise on PWM signal input pin. First detection Second detection First detection 8 TB6548F Start Second detection and stop 2001-08-28 ...
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... OUT P 590 − °C opr T −55 to 150 °C stg ( − − − − 85°C) Test Condition 9 TB6548F Min Typ. Max Unit 4.5 5.0 5 −0.3 + 0.3 16 kHz 1.0 10 MHz 2001-08-28 ...
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... FG_OUT OUT OUT_UP, OUT_VP, OUT_WP OUT_UN, OUT_VN, OUT_WN FG_OUT OUT OUT_UP, OUT_VP, OUT_WP OUT_UN, OUT_VN, OUT_WN FG_OUT PWM-Output 10 TB6548F Min Typ. Max Unit 0.1 0.3 mA −75 −50 µ ...
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... Positional detection signal COMP IN_UP IN_UN IN_VP IN_VN IN_WP IN_WN ISD Over current detection GND signal <TA84005F> line and GND line to avoid short circuit between outputs TB6548F OUT_U OUT_V M OUT_W RF VISD1 VISD2 DD 2001-08-28 ...
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... Package Dimensions Weight: 0.32 g (typ.) 12 TB6548F 2001-08-28 ...
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... TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. • The information contained herein is subject to change without notice. 13 TB6548F 000707EBA 2001-08-28 ...