TA8409S/SG, F/FG
TOSHIBA Bipolar Linear Integrated Circuit
Silicon Monolithic
TA8409S/SG, TA8409F/FG
Bridge Driver
The TA8409S/SG and TA8409F/FG are bridge drivers 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 voltages
V
CC
(opr.) = 4.5 to 20 V
V
S
(opr.) = 0 to 20 V
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.)
TA8409FG/SG:
The TA8409FG/SG is a Pb-free product.
The following conditions apply to solderability:
*Solderability
1. Use of Sn-63Pb solder bath
*solder bath temperature = 230°C
*dipping time = 5 seconds
*number of times = once
*use of R-type flux
2. Use of Sn-3.0 Ag-0.5 Cu solder bath
*solder bath temperature = 245°C
*dipping time = 5 seconds
*the number of times = once
*use of R-type flux
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2003-08-12
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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2003-08-12
TA8409S/SG, F/FG
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 when the device is mounted on a 50 × 50 × 1.6 mm PCB with a Cu area of 30% or
more.
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
4
2003-08-12
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