tb6548f TOSHIBA Semiconductor CORPORATION, tb6548f Datasheet - Page 11
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tb6548f
Manufacturer Part Number
tb6548f
Description
Three-phase Full-wave Pwm Sensorless Controller For Brushless Dc Motors
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB6548F.pdf
(13 pages)
Application Circuit Example
PWM signal
FG signal
Note 1: Take enough care in designing output V
Note 2: The above application circuit and values mentioned are just an example for reference. Since the values may
fault or GND fault which may cause the IC to break down.
vary depending on the motor to be used, appropriate values must be determined through experiments before
using the device.
PWM
FG_OUT
<TB6548F>
V
DD
GND
V
DD
= 5 V
OUT_WN
OUT_WP
OUT_UN
OUT_UP
OUT_VP
OUT_VN
WAVE
OC
Positional detection signal
Over current detection
signal
DD
line and GND line to avoid short circuit between outputs, V
11
COMP
IN_UP
IN_UN
IN_VP
IN_VN
IN_WP
IN_WN
ISD
<TA84005F>
GND
VM = 20 V
OUT_W
OUT_U
OUT_V
VISD1
VISD2
RF
M
2001-08-28
TB6548F
DD