TB6537

TB6537P/F TOSHIBA CMOS Integrated Circuit Silicon Monolithic TB6537P,TB6537F 3-Phase Full-Wave Sensorless Controller for Brushless DC Motors TB6537P/F is a 3-phase full-wave sensorless controller for brushless DC motors. It is capable of controlling voltage by PWM signal input. When combined with various drive circuits it can be used for various types of motors. TB6537P Features · · · · · · · · 3-phase full-wave sensorless drive PWM control (PWM signal is supplied from external sources.) Turn-on signal output current: 20 mA Overcurrent protection function Forward/reverse modes Lead angle control function (0, 7.5, 15 and 30 degrees) Built-in lap turn-on function Two types of PWM output (upper PWM and upper/lower alternate PWM) TB6537F Weight DIP18-P-300-2.54D: 1.47 g (typ.) SSOP24-P-300-1.00: 0.32 g (typ.) 1 2003-02-20 TB6537P/F Block Diagram VDD 10/13 PWM 3/3 PWM Control 11/14 OUT_UP SEL_OUT 5/6 13/17 OUT_VP SEL_LAP 6/8 Rotation Instruction Circuit Turn-on Signal Forming Circuit Timing Control 15/21 OUT_WP 12/15 OUT_UN CW_CCW 4/4 14/19 OUT_VN 16/22 OUT_WN LA0 1/1 Lead Angle Setting Circuit 2/2 Overcurrent Protection Circuit LA1 17/23 OC Clock Generator Circuit Position Detection Circuit 18/24 WAVE 7/10 XT 8/11 XTin 9/12 GND TB6537P/TB6537F 2 2003-02-20 TB6537P/F Pin Assignment TB6537P LA0 LA1 PWM CW_CCW SEL_OUT SEL_LAP XT XTin GND 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 WAVE OC OUT_WN OUT_WP OUT_VN OUT_VP OUT_UN OUT_UP VDD LA0 LA1 PWM CW_...