TB6586FG/AFG
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6586FG, TB6586AFG
Three-Phase Full-Wave Brushless Motor Controller
The TB6586FG/AFG is a three-phase full-wave brushless motor controller
developed for use in motor fans.
Features
•
•
•
•
•
•
•
•
•
•
Upper-phase PWM control
Built-in triangular-wave generator
Support of a bootstrap circuit
Built-in Hall amplifier (support of a Hall element)
Selectable 120°/150° energization
Built-in lead angle control function
Built-in regulator (V
refout
=
5 V (typ.), 35 mA (max))
Overcurrent protection signal input pin (V
RS
=
0.5 V (typ.))
P-SSOP24-0613-1.00-001
Weight: 0.36 g (typ.)
Operating supply voltage range: V
CC
=
6.5 to 16.5 V, V
M
=
4.5 to 16.5 V
TB6586FG: 1 pulse / electrical angle: 360°
TB6586AFG: 3 pulses / electrical angle: 360°
The TB6586FG and TB6586AFG differ in the number of pulses per revolution:
1
2016-02-24
TB6586FG/AFG
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Symbol
V
SP
HUP
HUM
HVP
HVM
HWP
HWM
V
refout
LA
GND
CW/CCW
OSC/C
OSC/R
RS
RESET
V
CC
V
M
UL
V
L
WL
UH
VH
WH
FG
Speed control input
U-phase Hall signal input (+) pin
U-phase Hall signal input (−) pin
V-phase Hall signal input (+) pin
V-phase Hall signal input (−) pin
W-phase Hall signal input (+) pin
W-phase Hall signal input (−) pin
Outputs reference voltage signal (5 V / 35 mA)
Lead angle setting signal input pin (30° / 4 bit)
Ground pin
Rotation direction signal input pin
Connect to capacitor for PWM oscillator
Connect to resistor for PWM oscillator
Overcurrent protection (0.5 V)
Energization width toggle pin (Low: 150°, High; Reset, 6.35 V: 120°)
Power supply
Input for output power
U-phase output pin (Low side)
V-phase output pin (Low side)
W-phase output pin (Low side)
U-phase output pin (High side)
V-phase output pin (High side)
W-phase output pin (High side)
Output of number of pulses per revolution
(FG: 1 pulse / electrical angle; AFG: 3 pulses / electrical angle)
Description
Pin Layout
V
SP
HUP
HUM
HVP
HVM
HWP
HWM
V
refout
LA
GND
CW/CCW
OSC/C
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
FG
WH
VH
UH
WL
V
L
UL
V
M
V
CC
RESET
RS
OSC/R
2
2016-02-24
TB6586FG/AFG
Input/Output Equivalent Circuits
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory
purposes.
Pin Description
Symbol
Input/Output Signal
Input/Output Internal Circuit
HUP
HUM
Positional signal
input pin
HVP
HVM
HWP
HWM
Analog/Digital
Hysteresis
±
7.5 mV (typ.)
V
refout
V
refout
Speed control signal
input pin
V
SP
Input range 0 to 7 V
V
CC
Digital
Rotation direction
signal input pin
CW/CCW
L: Forward (CW)
H: Reverse (CCW)
L: 0.8 V (max)
H: V
refout
−
1 V (min)
Test input
If CW/CCW
=
6.35 V (typ.) or
higher, the system resets
Hysteresis 150 mV (typ.)
65 kΩ
105 kΩ
150 kΩ
Analog
100
Ω
CW/CCW
Reset
Digital
L
:
0.8 V (max)
H: V
refout
−
1 V (min)
V
CC
Reset input
RESET
L: 150° turn-on mode
H: Reset
Hysteresis 150 mV (typ.)
During a reset: Output OFF (all phases
Low). The internal counter continues to
operate.
105 kΩ
If RESET
=
6.35 V (typ.) or higher, then
120° energization drive is selected
65 kΩ
30 kΩ
Reset
120°
Analog
Input range 0 to 5.0 V (V
refout
)
Lead angle setting
signal input
LA
Electrical angle 0° to 28° can be divided
into 16 by 4-bit data.
Lead angle 0°
:
LA
=
0 V (GND)
Lead angle 28°
:
LA
=
5 V (V
refout
)
V
refout
100 kΩ
100 kΩ
30 kΩ
3
2016-02-24
TB6586FG/AFG
Pin Description
Symbol
Input/Output Signal
Input/Output Internal Circuit
Analog
Overcurrent
protection signal
input
Analog filter 0.5
μs
(typ.)
RS
If RS = 0.5 V (typ.) or higher, UH, VH
and WH pin goes low (released at
carrier cycle)
V
refout
V
refout
200 kΩ
200 kΩ
5 pF
V
CC
V
CC
V
CC
Reference voltage
signal output pin
V
refout
5.0
±
0.5 V (35 mA)
5.0
±
0.3 V (15 mA)
V
refout
Digital
Push-pull output
(± 2 mA (max))
FG
TB6586FG:
1 pulse / electrical angle of 360°
TB6586AFG:
3 pulses / electrical angle of 360°
100
Ω
V
refout
Rotational frequency
output
V
M
UH
UL
Energization signal
output
VH
Push-pull output (± 3 mA (max))
VL
WH
WL
4
2016-02-24
TB6586FG/AFG
Block Diagram
In the block diagram, part of the functional blocks or constants may be omitted or simplified for explanatory
purposes.
V
refout
8
5 V regulator
(internal reference
voltage)
Low-voltage
protection circuit
CW/CCW 11
HUP 2
HUM 3
HVP 4
HVM 5
HWP 6
HWM 7
FG 24
OSC/C 12
OSC/R 13
V
SP
1
150°
energization
matrix
Lead
angle
setting
circuit
21 UH
22 VH
23 WH
Output circuit
18 UL
19 V
L
20 WL
17 V
M
RESET
15
V
CC
16
Oscillating
circuit
PWM
generating
circuit
0.5 V
14 RS
10
GND
9
LA
5
2016-02-24
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