TB6575FNG Toshiba, TB6575FNG Datasheet - Page 7

• Manufacturer Part Number: TB6575FNG
• Manufacturer: Toshiba

Specifications of TB6575FNG

• Function: Controller
• Vopmax (vm*): 5.0V (5.5V)
• Io (lpeak): 20mA
• Sinusoidal Current Wave: no
• Sensor-less: yes
• Speed Feedback Loop: no
• Package: SSOP24
• Rohs Compatible†: yes

6. Speed control V
7. Fault protection
of the PWM.
disabled. After about one second, the motor is restarted. This operation is repeated as long as a fault is
detected.
V
Output pin
START (Pin8)
IP (Pin9)
SC (Pin9)
An analog voltage applied to the V
When a signal indicating the following faults is applied to the WAVE pin, the output transistors are
0 ≤ V
V
V
SP
AD
AD
→ Duty cycle = 0%
→ Figure at the right (1/64 to 63/64)
→ Duty cycle = 100% (63/64)
•
•
(Pin5)
DUTY
(L) ≤ V
(H) ≤ V
The maximum commutation frequency is exceeded.
The rotation speed falls below the forced commutation frequency.
≤ V
DUTY
DUTY
AD
SP
(L)
≤ V
≤ V
ON
pin
AD
DD
Fault detected
(H)
SP
OFF
(a)
pin is converted by the 6-bit AD converter to control the duty cycle
7
ON
Duty cycle
100%
1 V
0%
1 V (typ.)
V AD (L)
V
V
SP
SP
= 1 V or higher
When the SC pin capacitor = 0.47 µ F
and V
(a): T
OFF
SP
= 4 V
=
=
= 940 ms (typ.)
C
. 0
SC
47
1
×
TB6575FNG
µ
4 V (typ.)
5 .
V AD (H)
F
(
V
i
×
µ
A
SP
4 (
2008-9-11
−
−
) 1
) 1
V SP