tb6537pg TOSHIBA Semiconductor CORPORATION, tb6537pg Datasheet
tb6537pg
Available stocks
Related parts for tb6537pg
tb6537pg Summary of contents
Page 1
... Built-in lap turn-on function • Two types of PWM output (upper PWM and upper/lower alternate PWM) TB6537PG/FG: The TB6537PG/ Pb-free product. The following conditions apply to solderability: *Solderability 1. Use of Sn-37Pb solder bath *solder bath temperature = 230 *dipping time = 5 seconds *number of times = once *use of R-type flux 2 ...
Page 2
Block Diagram PWM 3/3 PWM Control SEL_OUT 5/6 6/8 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 ...
Page 3
Pin Assignment TB6537P/PG LA0 1 LA1 2 PWM 3 CW_CCW 4 SEL_OUT 5 SEL_LAP Tin GND 9 18 WAVE LA0 17 OC LA1 16 OUT_WN PWM 15 OUT_WP CW_CCW 14 OUT_VN NC 13 OUT_VP ...
Page 4
Pin Description Pin No. Symbol TB6537P/PG TB6537F/ PWM 4 4 CW_CCW ⎯ SEL_OUT ⎯ SEL_LAP ⎯ GND ...
Page 5
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 ...
Page 6
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 ...
Page 7
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 ...
Page 8
Positional Variation Since positional detection is performed in synchronization with PWM signal, positional variation occurs in connection with the frequency of PWM signal. Be especially careful when the IC is used for high-speed motors. PWM signal Pin voltage Reference ...
Page 9
Lead Angle Control The lead angle is 0 during the starting forcible commutation and, when normal commutation is started, ° automatically changes to the lead angle that was set using LA0 and LA1. However, if both LA0 and LA1 ...
Page 10
Start/Stop Control Start/Stop operation is controlled using the PWM signal input pin. A stop is acknowledged when the PWM signal duty is 0, and a start is acknowledged when the ON-signal of a frequency four times higher than the ...
Page 11
Absolute Maximum Ratings Characteristics Power supply voltage Input voltage Turn-on signal output current Power dissipation Operating temperature Storage temperature Recommended Operating Conditions Characteristics Symbol Power supply voltage Input voltage PWM frequency Oscillation frequency (Ta = 25°C) Symbol Rating V 5.5 ...
Page 12
Electrical Characteristics Characteristics Symbol Static power supply current Dynamic power supply current I DD (opr) I IN-1 I Input current I IN Input voltage V Input hysteresis voltage V V Output voltage V V Output leak current Output ...
Page 13
Application Circuit Example OUT_UP PWM OUT_UN CW_CCW OUT_VP OUT_VN H/L LA0 OUT_WP H/L LA1 OUT_WN H/L SEL_OUT H/L SEL_LAP X T WAVE X Tin 4 MHz GND Note 1: Utmost care is necessary in the design ...
Page 14
Package Dimensions Weight: 1.47 (typ.) TB6537P/PG/F/FG 14 2006-3-6 ...
Page 15
Package Dimensions Weight: 0.32 (typ.) TB6537P/PG/F/FG 15 2006-3-6 ...
Page 16
Notes on Contents 1. Block Diagrams Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. Equivalent Circuits The equivalent circuit diagrams may be simplified or some parts of ...
Page 17
TB6537P/PG/F/FG 17 2006-3-6 ...