TB6539N/F
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6539N,TB6539F
3-Phase Full-Wave Sine-Wave PWM Brushless Motor Control
Features
·
·
·
·
·
·
·
·
Sine-wave PWM control
Built-in triangular-wave generator
(carrier cycle = f
osc
/252 (Hz))
Built-in lead angle control function (0 to 58° in 32 steps)
Built-in dead time function
Supports bootstrap circuit
Overcurrent protection signal input pin
Built-in regulator (V
refout
= 5 V (typ.), 30 mA (max))
Operating supply voltage range: V
CC
= 10 to 18 V
V
M
= 4.5 to 18 V
TB6539F
TB6539N
Weight
SDIP24-P-300-1.78 : 1.62 g (typ.)
SSOP30-P-375-1.00 : 0.63 g (typ.)
1
2002-06-12
TB6539N/F
Block Diagram
LA
23/29
6-bit triangular
wave generator
4/5
Comparator
5/6
Comparator
8/9
6/7
9/10
7/8
10/12
U
X
V
Y
W
Z
5-bit AD
4 bits
Counter
Output
waveform
generator
Data
select
Phase
W
Comparator
120/180
Charger
FG
Rotating
direction
PWM
HU
HV
HW
Comparator
Phase
V
Phase
U
X
in
14/17
System clock
generator
X
out
15/19
V
M
HU
21/26
HV
20/25
Position detector
HW
Internal
Phase
reference
voltage matching
19/23
V
e
22/27
Setting
dead
time
V
CC
1/1
Regulator
P-GND
3/4
S-GND
13/16
V
refout
24/30
16/20
OS
Power-on
reset
Switching
120°/180°
and
gate
block
protection
on/off
120°-
turn-on
matrix
RES
18/22
I
dc
2/3
CW/CCW
17/21
FG
11/14
ST/SP
Protection CW/CCW
&
ERR
reset
GB
REV
12/15
※
The pin numbers shown above are for the TB6539N/TB6539F
2
2002-06-12
TB6539N/F
Pin Description
Pin No.
TB6539N TB6539F
21
20
19
26
25
13
Symbol
HU
HV
HW
Description
Positional signal
input pin U
Positional signal
input pin V
Positional signal
input pin W
Rotation direction
signal input pin
L: Forward
H: Reverse
L: Reset (Output is non-active)
18
22
RES
Reset-signal-input pin
Operation/Halt operation
Also used for gate block protection
22
23
27
29
V
e
LA
Inputs voltage instruction
signal
Lead angle setting signal
input pin
Inputs output logic select
signal
With built-in pull-down resistor
Sets 0 to 58° in 32 steps
L: Active low
H: Active high
Inputs DC link current.
2
3
I
dc
Inputs overcurrent-
protection-signal
Inputs clock signal
With built-in feedback resistor
Outputs clock signal
Outputs reference voltage
signal
FG signal output pin
Reverse rotation detection
signal
Outputs turn-on signal
Outputs turn-on signal
Outputs turn-on signal
Select active high or active low using the output logic select pin.
8
9
10
1
4
3
13
9
10
12
1
5
4
16
X
Y
Z
V
CC
V
M
P-GND
S-GND
Outputs turn-on signal
Outputs turn-on signal
Outputs turn-on signal
Power supply voltage pin
Apply power supply for
output circuit.
Ground for power supply
Ground for signals
V
CC
=
10~18 V
V
M
=
4.5~18 V
Ground pin
Ground pin
5 V (typ.), 30 mA (max)
Outputs 3PPR of positional signal
Detects reverse rotation.
Reference voltage: 0.5 V
With built-in filter (
~
1
ms)
-
14
15
24
11
12
5
6
7
17
19
30
14
15
6
7
8
X
in
X
out
V
refout
FG
REV
U
V
W
When positional signal is HHH or LLL, gate block
protection operates.
With built-in pull-up resistor
Remarks
17
21
CW/CCW
16
20
OS
3
2002-06-12
TB6539N/F
Input/Output Equivalent Circuits
Pin Description
Symbol
Digital
Positional signal input pin U
HU
With Schmitt trigger
Positional signal input pin V
HV
Hysteresis 300 mV (typ.)
V
refout
V
refout
200 k9
2 kW
Positional signal input pin W
HW
L : 0.8 V (max)
H: V
refout
-
1 V (min)
Digital
100 k9
2 kW
L : 0.8 V (max)
H: V
refout
-
1 V (min)
Digital
V
refout
Reset input
With Schmitt trigger
RES
L: Stops operation (reset).
H: Operates.
L : 0.8 V (max)
H: V
refout
-
1 V (min)
Hysteresis 300 mV (typ.)
2 kW
100 k9
V
CC
100
W
200 k9
V
CC
100
W
200 k9
Forward/reverse switching
input pin
CW/CCW
L: Forward (CW)
H: Reverse (CCW)
V
refout
V
refout
With Schmitt trigger
Hysteresis 300 mV (typ.)
Input/Output Signal
Input/Output Internal Circuit
Voltage instruction signal
input pin
V
e
Analog
Turn on the lower transistor
at 0.2 V or less.
(X, Y, Z pins: ON duty of
8%)
Input range 0 to 5.0 V
Input voltage of V
refout
or higher is
clipped to V
refout
.
Lead angle setting signal
input pin
LA
0 V: 0°
5 V: 58°
(5-bit AD)
Analog
Input range 0 to 5.0 V
Input voltage of V
refout
or higher is
clipped to V
refout
.
4
2002-06-12
TB6539N/F
Pin Description
Symbol
Input/Output Signal
Input/Output Internal Circuit
OS
L: Active low
H: Active high
L : 0.8 V (max)
H: V
refout
-
1 V (min)
V
CC
Analog
Overcurrent protection
signal input pin
I
dc
Gate block protected at 0.5 V or higher
(released at carrier cycle)
200 kW
5 pF
0.5 V
V
refout
Comparator
Clock signal input pin
X
in
Operating range
X
in
2 to 8 MHz (crystal oscillation)
V
refout
100 k9
2 kW
Output logic select signal
input pin
V
refout
V
refout
Digital
X
out
Clock signal output pin
X
out
500 kW
V
CC
V
CC
Reference voltage signal
output pin
Vrefout
5
±
0.5 V (max 30 mA)
V
CC
Digital
Reverse-rotation-detection
signal output pin
REV
Open collector output: 20 mA (max)
5
2002-06-12
51mcu
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