TA8409S/SG, F/FG
TOSHIBA Bipolar Linear Integrated Circuit
Silicon Monolithic
TA8409S/SG, TA8409F/FG
Bridge Driver
TA8409S/SG and TA8409F/FG are bridge driver with output
voltage control.
TA8409S/SG
Features
Modes available (CW/CCW/STOP/BRAKE)
Output current up to 0.4 A (AVE) and 1.0 A (PEAK)
Wide range of operating voltage
V
CC
(opr.) = 4.5 to 20 V
V
S
(opr.) = 0 to 20 V
*Please consider the internal loss (Vsat) to operate the IC
though minimum V
S
is defined zero.
V
ref
(opr.) = 0 to 20 V (V
ref
≤
V
S
)
Built-in thermal shutdown
Standby mode available (STOP MODE)
Hysteresis for all inputs.
TA8409F/FG
Weight
SIP9-P-2.54A: 0.92 g (typ.)
SSOP10-P-225-1.00: 0.09 g (typ.)
TA8409SG/FG:
TA8409SG/FG is Pb free product.
The following conditions apply to solderability:
*Solderability
1. Use of Sn-37Pb solder bath
*solder bath temperature=230 degrees
*dipping time=5seconds
*number of times=once
*use of R-type flux
2. Use of Sn-3.0Ag-0.5Cu solder bath
*solder bath temperature=245 degrees
*dipping time=5seconds
*the number of times=once
*use of R-type flux
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TA8409S/SG, F/FG
Block Diagram
TA8409S/SG PIN④
TA8409F/FG PIN④,⑥
: Non connection
: Non connection
TA8409S/SG, TA8409F/FG
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TA8409S/SG, F/FG
Pin Function
TA8409S/SG
Pin No.
1
2
3
4
5
6
7
8
9
Symbol
IN2
V
CC
OUT2
NC
GND
V
S
OUT1
V
ref
IN1
Input terminal
Supply voltage terminal for logic
Output terminal
Non connection
GND terminal
Supply voltage terminal for motor driver
Output terminal
Reference voltage terminal for control circuit
Input terminal
Functional Description
TA8409F/FG
Pin No.
1
2
3
4
5
6
7
8
9
10
Symbol
IN2
V
CC
OUT2
NC
GND
NC
V
S
OUT1
V
ref
IN1
Input terminal
Supply voltage terminal for logic
Output terminal
Non connection
GND terminal
Non connection
Supply voltage terminal for motor driver
Output terminal
Reference voltage terminal for control circuit.
Input terminal
Functional Description
Function
Input
IN 1
0
1
0
1
IN 2
0
0
1
1
OUT1
∞
H
L
L
Output
OUT2
∞
L
H
L
Mode
MB
STOP
CW/CCW
CCW/CW
BRAKE
∞:
Note:
High impedance
Inputs are all high active type.
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TA8409S/SG, F/FG
Absolute Maximum Ratings
(Ta = 25°C)
Characteristics
Supply voltage
Motor drive voltage
Reference voltage
Output current
PEAK
AVE.
TA8409F/FG
TA8409S/SG
Symbol
V
CC
V
S
V
ref
I
O (PEAK)
I
O (AVE.)
P
D
T
opr
T
stg
Rating
25
25
25
1.0
0.4
0.735 (Note)
0.95
−30
to 75
−55
to 150
Unit
V
V
V
A
Power dissipation
Operating temperature
Storage temperature
W
°C
°C
Note:
This rating is obtained by mounting on 50 × 50 × 1.6 mm PCB that occupied above 30% of copper area.
Electrical Characteristics
(Ta = 25°C, V
CC
= 12 V, V
S
= 18 V)
Characteristics
Symbol
I
CC1
Supply current
I
CC2
I
CC3
Input operating
voltage
Input current
Input hysteresis voltage
Upper side
Lower side
Saturation voltage
Upper side
1 (High)
2 (Low)
V
IN 1
V
IN 2
I
IN
∆V
T
V
SAT U−1
V
SAT L−1
V
SAT U−2
V
SAT L−2
Test
Circuit
1
1
1
2
2
2
2
3
3
3
Test Condition
Output OFF, CW/CCW mode
Output OFF, STOP mode
Output OFF, BREAK mode
T
j
= 25°C IN1, 2
T
j
= 25°C IN1, 2
Sink mode, V
IN
= 3.5 V
―
V
ref
= V
S
, V
OUT
−V
S
measure
I
O
= 0.2 A, CW/CCW mode
V
ref
= V
S
, V
OUT
−GND
measure
I
O
= 0.2 A, CW/CCW mode
V
ref
= V
S
, V
OUT
−V
S
measure
I
O
= 0.4 A, CW/CCW mode
V
ref
= V
S
, V
OUT
−GND
measure
I
O
= 0.4 A, CW/CCW mode
V
ref
= 10 V, V
OUT
−GND
measure
I
O
= 0.2 A
V
ref
= 10 V, V
OUT
−GND
measure
I
O
= 0.4 A
V
L
= 25 V
V
L
= 25 V
I
F
= 0.4 A
I
F
= 0.4 A
V
ref
= 10 V, source mode
Min
―
―
―
3.5
GND
―
―
―
―
―
Typ.
10.0
0
6.5
―
―
3
0.7
0.9
0.8
1.0
Max
15.0
50
10.0
5.5
0.8
10
―
1.2
1.2
1.35
V
Unit
mA
µA
mA
V
µA
V
Lower side
3
―
0.9
1.35
V
SAT U−1’
Output voltage
V
SAT U−2’
Output transistor
leakage current
Diode forward voltage
Reference current
Upper side
Lower side
Upper side
Lower side
I
LU
I
LL
V
F U−1
V
F L−1
I
ref
3
10.4
11.2
12.2
V
3
4
4
5
5
2
―
―
―
―
―
―
10.9
―
―
1.5
0.9
20
―
50
50
―
―
40
µA
V
µA
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2006-3-2
TA8409S/SG, F/FG
Test Circuit 1
I
CC1
,
I
CC2
,
I
CC3
TA8409S/SG, F/FG
Test Circuit 2
V
IN1
, V
IN2
, I
IN
,
∆
V
T
, I
ref
TA8409S/SG, F/FG
TA8409S/SG, TA8409F/FG
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