Standard ICs
6-channel high current driver
BA6256
The BA6256 is a low voltage, high current driver with six circuits, and is designed for applications such as LEDs,
relays, solenoids, and other driver devices which operate at low voltages. This driver is particularly ideal for direct
drive of CMOS controlled devices and other devices with a low input current of 5µA (typ.).
•
Applications drivers
Hammer solenoid
Relay drivers
LED drivers
Features
1) Output current of 400mA (Max.) can be driven.
2) Equipped with strobe terminal.
•
3) High input impedance.
•
Block diagram
ST
1
16
V
CC
IN1
2
15
OUT1
IN2
3
14
OUT2
IN3
4
13
OUT3
IN4
5
12
OUT4
IN5
6
11
OUT5
IN6
7
10
OUT6
GND
8
Sub
9
N.C.
•
Absolute maximum ratings (Ta = 25°C)
Parameter
Power supply voltage
Power dissipation
Input voltage
Output current
Operating temperature
Storage temperature
In this case, Tj = 15°C.
Symbol
V
CC
Pd
V
IN
I
O Max.
Topr
Tstg
Limits
11
500
∗
– 0.5 ~ V
CC
450
– 25 ~ + 75
– 55 ~ + 125
Unit
V
mW
V
mA
°C
°C
∗
Reduced by 5mW for each increase in Ta of 1°C over 25°C.
1
Standard ICs
BA6256
•
Electrical characteristics (unless otherwise noted, Ta = 25°C, Vcc = 6V)
Parameter
Usage voltage range
Input high level voltage
Input low level voltage
Output saturation voltage
Output current (1 circuit)
Input current
Symbol
V
CC
V
IH
V
IL
V
CE (sat)
I
OUT
I
IN
Min.
3
3
—
—
—
—
Typ.
6
—
—
0.6
—
5
Max.
10
—
1
—
400
—
Unit
V
V
V
V
mA
µA
I
OUT
I
OUT
I
OUT
Conditions
—
200mA, when only 1 circuit is on
100µA, when only 1 circuit is on
100µA, when only 1 circuit is on
—
I
OUT
= 100mA, V
IN
= 6V
Measurement
circuit
Fig.4
Fig.4
Fig.4
Fig.5
—
Fig.6
•
Internal circuit configuration
OUT1
V
CC
16
R
3
Q
1
R
2
Q
2
R
25
R
1
D
1
8
GND
2
IN1
3
IN2
4
IN3
5
IN4
6
IN5
7
IN6
9
N.C.
1
ST.
R
1, 5, 9, 13, 17, 21
= 25kΩ
R
2, 6, 10, 14, 18, 22
= 10kΩ
R
3, 7, 11, 15, 19, 23
= 488Ω
R
4, 8, 12, 16, 20, 24
= 6kΩ
R
25, 26, 27, 28, 29, 30
= 40kΩ
R
4
Q
3
R
5
D
2
R
8
Q
4
R
6
Q
5
R
26
Q
6
R
9
D
3
R
12
R
7
Q
7
R
10
Q
6
R
27
Q
9
R
13
D
4
R
16
R
11
Q
10
R
14
Q
11
R
28
Q
12
R
17
D
5
R
20
D
6
R
15
Q
13
R
18
Q
14
R
29
Q
15
R
21
R
24
R
19
Q
16
R
22
Q
17
R
30
Q
18
R
23
15
OUT2
14
OUT3
13
OUT4
12
OUT5
11
OUT6
10
Fig.1
(Resistance values are typical values.)
•
Electrical characteristic curves
MAXIMUM OUTPUT CURRENT : I
OUT
(mA)
800
POWER DISSIPATION : Pd (mW)
500
When 6 circuits are
activated simultaneously
Repetition of 1 Hz min.
Ta = 75°C max.
When V
CC
= V
IN
600
400
300
400
500mW
200
200
V
CC
= V
IN
=
10V
100
9V
8V
7V
6V
5V
0
– 25
0
25
50
75
100
125
150
0
0
20
40
60
80
100
AMBIENT TEMPERATURE : Ta (°C)
DUTY CYCLE : (%)
Fig.2 Power dissipation vs. ambient
temperature
Fig.3 Output current vs. duty cycle
2