參數(shù)資料
型號(hào)： TB6539NG
廠商： Toshiba Corporation
英文描述： 3-PHASE FULL-WAVE SINE-WAVE PWM BRUSHLESS MOTOR CONTROL
中文描述： 3相全波正弦波脈寬調(diào)制無(wú)刷電機(jī)控制
文件頁(yè)數(shù)： 10/20頁(yè)
文件大小： 282K
代理商： TB6539NG
TB6539N/NG/F/FG
2005-01-19
10
Protecting input pin
1.
Over-current protection (Pin I
dc
)
When the DC-link-current exceeds the internal reference voltage, gate block protection is performed.
Over-current protection is released for each carrier frequency.
Reference voltage
=
0.5 V (typ.)
Gate block protection (Pin RES)
When the input signal level is Low, the output is turned off; when the signal is High, the output is
restarted.
Abnormalities are detected externally, and the signal is input to the pin RES.
2.
RES Pin
OS Pin
Output Turn-on Signal
(U, V, W, X, Y, Z)
Low
High
Low
High
Low
(When RES
=
Low, bootstrap capacitor charging stops.)
Internal protection
Positional signal abnormality protection
When the positional signal is HHH or LLL, the output is turned off; otherwise, the output is
restarted.
Low power supply voltage protection (V
CC
monitor)
Outside the operating voltage range, the turn-on signal output is kept at high impedance to
prevent damage caused by short-circuiting of power components when the power supply is turned
on or off.
3.
Output at high impedance
Turn-on signal
Power supply
voltage
8.5 V (typ.)
7.5 V (typ.)
GND
V
M
V
CC
Output at high impedance
Output
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