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參數(shù)資料
| 型號： | TB62300FG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Dual Full-Bridge Driver for DC Motor |
| 中文描述： | 雙路全橋式直流電動機(jī)驅(qū)動器 |
| 文件頁數(shù)： | 11/28頁 |
| 文件大?。?/td> | 618K |
| 代理商： | TB62300FG |
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TB62300FG
2005-04-04
11
Absolute Maximum Ratings
(T
opr
=
25°C)
Characteristics
Symbol
Test Condition
Rating
Unit
Logic supply voltage
V
DD
V
M
0.4 to 7.0
V
Maximum output voltage
40
V
Peak output current
(Note: preliminary specification)
I
OUT (Peak)
t
W
≤
500 ns
8.0
A
Continuous output current
I
OUT (Cont)
V
IN
V
RS
2.5
A
Logic input voltage
0.5 to V
DD
V
M
±
4.5 V
V
Current detection pin voltage
V
IC alone
1.4
W
Power dissipation
P
D
When mounted on a board
(Note)
3.2
W
Operating temperature
T
opr
T
stg
T
j
40 to 85
55 to 150
°C
Storage temperature
°C
Junction temperature
150
°C
Note: When T
opr
=
45°C, T
j
=
150°C and
θ
ja
=
32°C
Recommended Operating Conditions
(T
opr
=
0 to 85°C)
Characteristics
Symbol
Test Condition
Min
Typ.
Max
Unit
Supply voltage
(Note 1)
V
DD
V
M
4.5
5.0
5.5
V
Output voltage
(Note 1)
V
DD
=
5.0 V
V
M
=
33.0 V, t
w
≤
500 ns
V
M
=
33.0 V
18.0
24.0
33.0
V
I
OUT (Peak)
I
OUT (Cont)
V
IN
f
CLK
f
chop
V
ref
V
RS
T
j
C
OSC
R
OSC
C
CPA
C
CPB
tri/tfi
6.4
7.2
A
Output current
(Note: preliminary specification)
1.5
1.8
A
Logic input voltage range
0
V
DD
25.0
V
Clock frequency
V
DD
=
5.0 V
V
DD
=
5.0 V
V
M
=
24.0 V, T
ORQUE
=
100%
V
DD
=
5.0 V
1.0
MHz
Chopping frequency
20
30
150
kHz
V
ref
reference voltage
Current detection pin voltage
2.0
3.0
±
1.0
V
DD
±
1.5
V
0
V
Junction temperature
120
°C
Oscillator capacitor
270
pF
k
μ
F
μ
F
μ
s
Oscillator resistor
3.9
Charge pump capacitor A
0.22
Charge pump capacitor B
0.022
Input rise and fall rate
(Note 2)
0.1
5.0
Note 1: Do not reduce V
DD
to 0 V (ground) while V
M
voltage is applied. Such an attempt may damage the IC
because there is a current path from the V
M
pin to V
DD
pin and the internal logic is undefined when V
DD
is
not applied. Leaving V
DD
open (Hi-Z) is less likely to damage the IC, although it is not recommended.
Note 2: The circuit configuration of this IC cannot handle extremely slow data input (on pins BREAK A, BREAK B,
SLEEP, ENABLE A, ENABLE B, PHASE A, PHASE B, DATA A, DATA B, CLK A, CLK B, STROBE A,
STROBE B, MODE A, and MODE B). Applying a slow signal having a period longer than 5
μ
s may cause
the IC to oscillate.
(1)
Calculating the current
I
OUT
=
1/3
×
V
ref
(V)
×
(Torque (%)
÷
R
RS
(
) )
×
Current (%)
where 1/3 is the V
ref
(GAIN):V
ref
attenuation ratio.
Calculating the oscillation frequency
f
CR
=
1/(KA)
×
(C
×
R
+
KB
×
C))
×
[Hz]
KA
=
0.523, KB
=
600, f
chop
=
f
CR
/16 [Hz]
[Example] When C
OSC
=
270 pF and R
OSC
=
3.9 k
:
f
CR
=
1.57 MHz and f
chop
=
1.57/16
=
98.4 kHz
(2)
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