tb6539f TOSHIBA Semiconductor CORPORATION, tb6539f Datasheet - Page 10
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tb6539f
Manufacturer Part Number
tb6539f
Description
3-phase Full-wave Sine-wave Pwm Brushless Motor Control
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB6539F.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
tb6539fG
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
8. Protecting input pin
1.
3.
2.
Overcurrent protection (Pin I
Gate block protection (Pin RES)
Internal protection
·
·
Overcurrent protection is released for each carrier frequency.
Detects abnormality externally and inputs the signal to the pin RES.
When the DC-link-current exceeds the internal reference voltage, performs gate block protection.
Reference voltage = 0.5 V (typ.)
When the input signal level is Low, turns off the output; when High, restarts the output.
(When RES = Low, bootstrap capacitor charging stops.)
Output at high impedance
Power supply
voltage
Turn-on signal
Positional signal abnormality protection
Low power supply voltage protection (V
keeping the turn-on signal output at high impedance outside the operating voltage range.
When the positional signal is HHH or LLL, turns off the output; otherwise, restarts the output.
When power supply is on/off, prevents damage caused by short-circuiting power device by
RES Pin
Low
8.5 V (typ.)
OS Pin
High
Low
dc
)
Output Turn-on Signal
Output
(U, V, W, X, Y, Z)
CC
10
monitor)
High
Low
7.5 V (typ.)
Output at high impedance
V
GND
V
CC
M
TB6539N/F
2002-06-12