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PDF TA7712FG Data sheet ( 特性 )

部品番号 TA7712FG
部品説明 Full-Wave Brushless DC Motor Controller IC
メーカ Toshiba Semiconductor
ロゴ Toshiba Semiconductor ロゴ 

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TA7712FG Datasheet, TA7712FG PDF,ピン配置, 機能
TA7712P/PG/F/FG
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA7712P/PG,TA7712F/FG
3-Phase, Full-Wave Brushless DC Motor Controller IC
FEATURES
z No frequency generator (FG) required
(The rotation signal is derived from the position sensor
signal.)
z Start, Stop, clockwise (CW), counterclockwise (CCW) and
Brake
z High-gain position sensor with input hysteresis
z Rotation signal output (with a frequency six times that of the
position sensor output (Hall effect output))
z External transistors are required.
The TA7712PG/FG:
The TA7712PG/FG is a Pb-free product.
About solderability, following conditions were confirmed
Solderability
(1) Use of Sn-37Pb solder Bath
· solder bath temperature = 230°C
· dipping time = 5 seconds
· the number of times = once
· use of R-type flux
(2) Use of Sn-3.0Ag-0.5Cu solder Bath
· solder bath temperature = 245°C
· dipping time = 5 seconds
· the number of times = once
· use of R-type flux
TA7712P/PG
TA7712F/FG
Weight
DIP20P3002.54A : 2.25 g (Typ.)
SSOP24P3001.00 : 0.32 g (Typ.)
1 2007-9-11

1 Page





TA7712FG pdf, ピン配列
TA7712P/PG/F/FG
PIN DESCRIPTION
PIN No.
P/PG
F/FG
11
22
33
45
56
67
78
8 10
9 11
10 12
11 13
12 14
13
14 17
15 18
16 19
17 20
18 22
19 23
20 24
SYMBOL
La+
La
Lb+
Lb
Lc+
Lc
GND
START/STOP
CW/CCW
BRAKE
FGOUT
TFG
N. C.
Hc
Hc+
Hb
Hb+
Ha
Ha+
VCC
DESCRIPTION
High-side drive output for phase a
Low-side drive output for phase a
High-side drive output for phase b
Low-side drive output for phase b
High-side drive output for phase c
Low-side drive output for phase c
Ground
Start/Stop select input
Rotation direction select input
Brake input
FG output
Connection pin for a capacitor and an resistor
No connect
cphase negative Hall-amplifier input
cphase positive Hall-amplifierinput
bphase negative Hall-amplifier input
bphase positive Hall-amplifier input
aphase negative Hall-amplifier input
aphase positive Hall-amplifier input
Power supply input
F/FG:
Pins 4, 9, 15, 16 and 21: No connect
3 2007-9-11


3Pages


TA7712FG 電子部品, 半導体
(2) Each Control Input
TA7712P/PG/F/FG
High: Start
High: Positive Torque
Low: Negative Torque
Figure 2
Low: Brake
START / STOP
CW / CCW
BRAKE
OUTPUT
H H H Positive Torque mode
H L H Negative Torque mode
H or L
H or L
L Break mode
L H or L H Stop mode
Note: In Stop mode, all outputs of La+ through Lc+ and Lathrough Lcare disabled.
In Break mode, outputs of La+ through Lc+ are enabled. (Source mode)
(3) Output Circuitry
As shown in the block diagram, the high-side outputs come from the emitters of Darlington-connected PNP
and NPN transistors, and the low-side outputs are open-collectors of NPN transistors.
Connect external transistors in the same manner as shown in the application circuit.
(4) Position Sensor Iinputs
The input voltage swing should be between 20 mVPP and 500 mVPP.
20 mVpp – 500 mVpp
Waveforms of the Hb and Hc input signals
behave the same.
6 2007-9-11

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