TB6537P TOSHIBA [Toshiba Semiconductor], TB6537P Datasheet
TB6537P
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TB6537P Summary of contents
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... TOSHIBA CMOS Integrated Circuit Silicon Monolithic TB6537P/PG,TB6537F/FG 3-PHASE FULL-WAVE SENSORLESS CONTROLLER FOR BRUSHLESS DC MOTORS The TB6537P/PG/F/ 3-phase full-wave sensorless controller for brushless DC motors capable of controlling voltage through PWM signal input. When combined with various drive circuits, it can be used for various types of motors. ...
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... SEL_LAP Rotation 4/4 CW_CCW Instruction Circuit 1/1 LA0 Lead Angle Setting Circuit LA1 2/2 Clock Generator Circuit 7/ 10/13 Timing Control 8/11 9/12 X GND Tin 2 TB6537P/PG/F/FG 11/14 OUT_UP 13/17 OUT_VP 15/21 OUT_WP Turn-on Signal Forming Circuit 12/15 OUT_UN 14/19 OUT_VN 16/22 OUT_WN Over-current 17/23 OC Protection Circuit Position WAVE 18/24 Detection Circuit TB6537P/PG/F/FG TB6537P/TB6537F 2006-3-6 ...
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... WAVE LA0 17 OC LA1 16 OUT_WN PWM 15 OUT_WP CW_CCW 14 OUT_VN NC 13 OUT_VP SEL_OUT 12 OUT_UN NC 11 OUT_UP SEL_LAP Tin GND 3 TB6537P/PG/F/FG TB6537F/ WAVE OUT_WN OUT_WP OUT_VN OUT_VP OUT_UN T 11 ...
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... Pin Description Pin No. Symbol TB6537P/PG TB6537F/ PWM 4 4 CW_CCW ⎯ SEL_OUT ⎯ SEL_LAP ⎯ GND OUT_UP 12 15 OUT_UN ⎯ OUT_VP ⎯ OUT_VN I/O Lead angle setting signal input pin • ...
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... Pin No. Symbol TB6537P/PG TB6537F/FG ⎯ OUT_WP 16 22 OUT_WN WAVE Functional Description 1. Sensorless Drive On receipt of PWM signal start instruction turn-on signal for forcible commutation (commutation irrespective of the rotor position of the motor) is output and the motor starts to rotate. The rotation of the motor causes induced voltage on the winding wire pin for each phase ...
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... Even if the duty is 99%, the duty of the voltage applied to the motor is 100% owing to the storage time of the drive circuit. TB6537P/PG/F/FG 6 2006-3-6 ...
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... Selecting PWM Output Form The PWM output form can be selected using SEL_OUT. SEL_OUT = Low Upper turn-on signal Lower turn-on signal Output voltage SEL_OUT = High Upper turn-on signal Lower turn-on signal Output voltage TB6537P/PG/F/FG 7 2006-3-6 ...
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... Detection time variation < 2 Over-current protection function The active phase that controls the PWM is turned off by the rising-edge of the OC signal. The inactive phase is turned on by the timing of the next PWM signal. Pin voltage Actual detection timing f : PWM frequency TB6537P/PG/F/FG 2006-3-6 ...
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... OUT_UN OUT_VP OUT_VN OUT_WP OUT_WN (4) Lead angle: 30 degree OUT_UP OUT_UN OUT_VP OUT_VN OUT_WP OUT_WN in the starting forcible commutation as well as in normal ° When SEL_LAP = Low, the Lap Turn-on Mode starts. ° TB6537P/PG/F/FG W turn-on timing becomes longer (see ° W 2006-3-6 ...
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... Start 512 periods at the resonator frequency PWM signal Detection timing Stop 512 periods at the resonator frequency Note: Take sufficient care regarding noise on the PWM signal input pin. First detection Second detection First detection 10 TB6537P/PG/F/FG Start Second detection and stop 2006-3-6 ...
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... TB6537P/ 1. TB6537F/ 0.59 FG − opr −55 to 150 T stg (Ta = −30 to 85°C) Test Condition ⎯ ⎯ ⎯ f PWM ⎯ f osc 11 TB6537P/PG/F/FG Unit °C °C Min Typ. Max 4.5 5.0 5 −0.3 ⎯ + 0.3 ⎯ ⎯ 16 ⎯ 1.0 10 Unit V V kHz MHz ...
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... OUT ⎯ I (H) OUT_UP, OUT_VP, OUT_WP L OUT_UN, OUT_VN, OUT_WN = 5 5 OUT ⎯ I (L) OUT_UP, OUT_VP, OUT_WP L OUT_UN, OUT_VN, OUT_WN t pLH ⎯ PWM-Output t pHL 12 TB6537P/PG/F/FG Min Typ. ⎯ 0 MHz ⎯ 1 Tin ⎯ 0 −75 −50 ⎯ 50 −1 0 ⎯ 3.5 ⎯ GND ⎯ 0.6 ⎯ 4.3 ⎯ ...
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... Note 2: The above application circuit and values mentioned are an example provided for reference purposes only. Since the values may vary depending on the motor to be used, appropriate values must be determined through experiments before the device is used. OC TA75393P/ and GND lines since the IC may be destroyed TB6537P/PG/F/ kΩ 1 kΩ TA75393P/PG 2006-3-6 ...
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... Package Dimensions Weight: 1.47 (typ.) TB6537P/PG/F/FG 14 2006-3-6 ...
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... Package Dimensions Weight: 0.32 (typ.) TB6537P/PG/F/FG 15 2006-3-6 ...
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... If the current sink capability of the power supply is small, the device’s motor power supply and output pins might be exposed to conditions beyond maximum ratings. To avoid this problem, take the effect of back-EMF into consideration in system design. TB6537P/PG/F/FG 16 2006-3-6 ...
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... TB6537P/PG/F/FG 17 2006-3-6 ...