TB6537F TOSHIBA [Toshiba Semiconductor], TB6537F Datasheet - Page 4

• Manufacturer Part Number: TB6537F
• Description: 3-Phase Full-Wave Sensorless Controller for Brushless DC Motors
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

Pin Description
TB6537P TB6537F
10
11
12
13
14
¾
¾
¾
¾
¾
1
2
3
4
5
6
7
8
9
Pin No.
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
CW_CCW
SEL_OUT
SEL_LAP
OUT_UN
OUT_UP
OUT_VP
OUT_VN
Symbol
PWM
GND
X
V
LA0
LA1
NC
NC
NC
NC
NC
X
Tin
DD
T
I/O
¾
¾
¾
¾
¾
¾
¾
¾
¾
O
O
O
O
I
I
I
I
I
I
Lead angle setting signal input pin
·
·
·
·
·
PWM signal input pin
·
·
·
Rotation direction signal input pin
·
·
·
Not connected
Pin to select the synthesis method of burn-in signal and PWM signal
·
·
·
Not connected
Lap turn-on select pin
·
·
·
Not connected
Resonator connecting pin
·
Connected to GND.
Connected to 5-V power supply.
U-phase upper turn-on signal output pin
·
·
U-phase lower turn-on signal output pin
·
·
Not connected
V-phase upper turn-on signal output pin
·
·
Not connected
V-phase lower turn-on signal output pin
·
·
LA0 = Low, LA1 = Low: Lead angle 0 degree
LA0 = High, LA1 = Low: Lead angle 7.5 degree
LA0 = Low, LA1 = High: Lead angle 15 degree
LA0 = High, LA1 = High: Lead angle 30 degree
Built-in pull-down resistor
Inputs Low-active PWM signal
Built-in pull-up resistor
Disables input of duty-100% (Low) signal
High for 250 ns or longer is required.
High: Reverse (U ® W ® V)
Low, Open: Forward (U ® V ® W)
Built-in pull-down resistor
Low: Upper PWM
High: Upper/Lower alternate PWM
Built-in pull-down resistor
Low: Lap turn-on
High: 120 degrees turn-on
Built-in pull-up resistor
Selects starting commutation frequency.
Starting commutation frequency f
U-phase winding wire positive ON/OFF switching pin
ON: Low, OFF: High
U-phase winding wire negative ON/OFF switching pin
ON: High, OFF: Low
V-phase winding wire positive ON/OFF switching pin
ON: Low, OFF: High
V-phase winding wire negative ON/OFF switching pin
ON: High, OFF: Low
4
st
Description
= Resonator frequency f
xt
/(6 ´ 2
TB6537P/F
2003-02-20
17
)