TB6556FG Toshiba, TB6556FG Datasheet - Page 19

• Manufacturer Part Number: TB6556FG
• Manufacturer: Toshiba

Specifications of TB6556FG

• Function: Controller
• Vopmax (vm*): 7V (12V)
• Io (lpeak): 2mA
• Sinusoidal Current Wave: yes
• Sensor-less: no
• Speed Feedback Loop: no
• Package: SSOP24
• Rohs Compatible†: yes

Example of Application Circuit
Note 1: Connect to ground as necessary to prevent IC malfunction due to noise.
Note 2: Connect GND to signal ground on the application circuit.
Note 3: Utmost care is necessary in the design of the output, V
MCU
short-circuiting between contiguous pins.
CW/CCW
V
GND
refout
RES
REV
X
V
HW
HU
HV
FG
X
out
CC
SS
V
I
dc
in
e
14
15
21
20
19
13
23
11
18
22
17
16
2
1
3
Regulator
R1 (10 kΩ)
Power-on
reset
G = 1 + (R2/R1)
System clock
G
Position detector
generator
in
24
Protection
reference
R2 (100 kΩ)
Internal
voltage
FG
reset
CC
G
&
out
, V
25
M
Rotating
direction
, and GND lines since the IC may be destroyed by short-circuiting between outputs, air contamination faults, or faults due to improper grounding, or by
100 kΩ
PH
matching
ST/SP
CW/CCW
ERR
GB
Phase
Peak hold
26
5-bit AD
Counter
0.1 μF
+
LPF
waveform
generator
Output
Filter
27
LA
28
Comparator
19
Selecting
Upper limit
Lower limit
Triangular wave
generator 6-bit
data
PWM
Phase U
Phase V
Phase W
V
UL
refout
HU
HV
HW
30
V
refout
LL
120/180
Comparator
Comparator
Comparator
Charger
turn-on
matrix
120°-
29
120°/180° &
gate block
Switching
protection
on/off
dead time
Setting
10
12
9
6
8
5
7
4
Td
U
X
V
Y
W
Z
OS
(Note 1)
(Note 1)
Power device
Hall IC signal
TB6556FG
2009-02-10
M