TB6585FG/FTG
TOSHIBA Bi-CMOS Integrated Circuit
Silicon Monolithic
TB6585FG, TB6585FTG
3-Phase Sine-Wave PWM Driver for BLDC Motors
Features
•
•
•
•
•
•
•
•
•
•
Sine-wave PWM drive
Triangular-wave generator
Hall amplifier
Lead angle control
Current limit control input (V
RS
= 0.5 V (typ.))
Rotation pulse output (3 pulse/electrical degree 360°)
Operating supply voltage range: VM = 4.5 to 42 V
Output current: I
OUT
= 1.8 A (max), 1.2 A (typ.) (FG type)
Reference supply output: V
refout
= 4.4 V (typ.), 20 mA (max)
I
OUT
= 1.0 A (max), 0.8 A (typ.) (FTG type)
TB6585FTG
TB6585FG
Output On-resistance: R
on
(P-channel and N-channel sum) =
0.7 Ω (typ.)
Weight:
HSOP36-P-450-0.65: 0.79 g (typ.)
QFN48-P-0707-0.50: 0.137 g (typ.)
1
2014/01/08
TB6585FG/FTG
Pin Assignment
TB6585FG
VM
U
V
W
IR
P-GND
RS
G
in
+
G
in
-
VM
FG
HWM
HWP
S-GND
N.C
OSC/C
OSC/R
V
SP
1
2
3
4
5
6
7
8
9
Fin
36
35
34
33
32
31
30
29
28
Fin
27
26
25
24
23
22
21
20
19
TR
N.C
CW/CCW
RESET
HVM
HVP
HUM
HUP
V
refout
10
11
12
13
14
15
16
17
18
G
out
PH
LPF
IV
LA
UL
LL
ML
V
refout
Note: Pins 1 and 36 and pins 18 and 19 are respectively connected together on the frame inside the IC.
The NC pin can be used as a jumper. The fin and the package bottom are electrically connected. To stabilize
the chip, the Fin pins should be connected to S-GND and P-GND at a location as close to the TB6585FG as
possible.
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2014/01/08
TB6585FG/FTG
TB6585FTG
G
out
G
in
+
G
in
-
NC
NC
NC
NC
NC
NC
NC
NC
48
RS
P-GND
IR
W
V
U
VM
FG
HWM
1
2
3
4
5
6
7
8
9
47
46
45
44
43
42
41
40
39
38
PH
37
36 LPF
35 IV
34 LA
33 UL
32 LL
31 ML
30 Vrefout
29 HUP
28 HUM
27 HVP
26 HVM
25 RESET
HWP 10
S-GND 11
OSC/C 12
13
OSC/R
14
NC
15
V
SP
16
NC
17
NC
18
NC
19
NC
20
NC
21
NC
22
TR
23
NC
24
CW/CCW
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2014/01/08
TB6585FG/FTG
Pin Description
Pin No.
Symbol
TB6585FG
1, 36
2
3
4
5
7
8
9
10
12
13
14
15
16
17
18, 19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
TB6585FTG
7
8
9
10
11
12
13
15
22
24
25
26
27
28
29
30
31
32
33
34
35
36
37
39
46
48
1
2
3
4
5
6
14, 16, 17,
18, 19, 20,
21, 23, 38,
40, 41, 42,
43, 44, 45, 47
VM
FG
HWM
HWP
S-GND
OSC/C
OSC/R
V
SP
TR
CW/CCW
RESET
HVM
HVP
HUM
HUP
V
refout
ML
LL
UL
LA
IV
LPF
PH
G
out
Motor power supply pin (VM = 4.5 to 42 V)
Rotation speed output pin (3 pulses per electrical degree)
W-phase Hall-signal input (−)
W-phase Hall signal input (+)
Signal ground
Connection pin for a capacitor to control PWM oscillation
Connection pin for a resistor to control PWM oscillation
Speed control input
Time setting pin for the anti-lock system
Rotation direction select input
Reset pin for disabling the outputs
V-phase Hall-signal input (−)
V-phase Hall-signal input (+)
U-phase Hall-signal input (−)
U-phase Hall-signal input (+)
Reference voltage output (V
refout
= 4.4 V (typ.), I
refout
= 20 mA (max)),
connection pin for an oscillation prevention capacitor
Restart operation select input for the anti-lock system
Lower limit control for lead angle
Upper limit control for lead angle
Lead angle select input (This input is used to determine the lead-angle under the
automatic lead-angle control.)
Voltage output converted from the output current
Connection pin for a filter capacitor
Connection pin for a peak-hold capacitor
Amplified shunt voltage
Connection pin for an amplifier resistor
Shunt voltage input
Overcurrent protection input (Disables outputs when RS
≥
0.5 V)
Power ground
Connection pin for an output shunt resistor
W-phase output
V-phase output
U-phase output
Description
-
G
in
+
G
in
RS
P-GND
IR
W
V
U
6, 11
N.C
No-connect
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2014/01/08
TB6585FG/FTG
I/O Equivalent Circuits
Some parts are omitted from the equivalent circuit diagrams or simplified for the sake of simplicity.
Pin Description
Symbol
I/O Signal
Internal Circuit Diagram
V
refout
V
refout
Analog
Hysteresis:
±
8 mV (typ.)
HUP
HUM
Position signal inputs
HVP
HVM
HWP
HWM
V
refout
Analog
Input range: 0 to V
refout
Speed control input
V
SP
100
Ω
150 kΩ
V
refout
100
Ω
100 kΩ
Digital
Rotation direction
select input
L: Clockwise (CW)
H: Counterclockwise
(CCW)
CW/CCW
L: 0.8 V (max)
H: 2.0 V (min)
Hysteresis: 200 mV (typ.)
CW/CCW
Digital
Reset input
L: Drives a motor
H: Reset
RESET
L: 0.8 V (max)
H: 2.0 V (min)
V
refout
100
Ω
100 kΩ
Hysteresis: 200 mV (typ.)
At reset: Outputs are disabled;
internal counter keeps running.
V
refout
When fixing the lead angle externally,
connect LL to GND and UL to V
refout
.
Also, apply a control voltage to the LA
pin.
Input range: 0 to 4.4 V (V
refout
)
When an input voltage of 3.0 V or higher
is applied, the lead angle is clipped to a
maximum of 29°.
The LA pin should be left open when
using the automatic-lead-angle control.
At this time, the LA pin can be used for
determining the lead angle.
Reset
0 V: 0°
3.0 V: 29°
(5-bit AD converter)
LA
200 kΩ
100
Ω
Lead angle control
input
LA
100
Ω
Lower limit
control input
Upper limit and
automatic-lead-
angle control
input
5
2014/01/08
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