Data Sheet 7 V1.1, 2007-09-25
Smart High-Side Power Switch
BTS723GW
Parameter and Conditions,
each of the two channels
Symbol Values Unit
at Tj = -40...+150°C,
V
bb
= 24 V unless otherwise specified
min typ Max
Protection Functions
14)
Current limit,
(see timing diagrams, page 13)
T
j
=-40°C:
T
j
=25°C:
T
j
=+150°C:
I
L(lim)
--
--
5
10
9
8
12
--
--
A
Repetitive short circuit current limit
15
)
,
T
j
=
T
jt
each channel
two parallel channels
(see timing diagrams, page 13)
I
L(SCr)
--
--
8
8
--
--
A
Initial short circuit shutdown time
T
j,start
=25°C:
(see timing diagrams on page 13)
t
off(SC)
-- 2 -- ms
Output clamp (inductive load switch off)
16)
at V
ON(CL)
= V
bb
- V
OUT
,
I
L
= 1 A
V
ON(CL)
59 64 70 V
Thermal overload trip temperature
T
jt
150 -- -- °C
Thermal hysteresis
∆
T
jt
-- 10 -- K
Reverse Battery
Reverse battery voltage
17
)
-
V
bb
-- -- 24 V
Drain-source diode voltage
(V
out
> V
bb
)
18
)
I
L
= - 3.0 A,
T
j
= +150°C
-
V
ON
-- 650 -- mV
Inverse current
19
)
GND current in case of 3A inverse current
20
)
I
GND(inv cur)
-- -- 15 mA
14)
Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as "outside" normal operating range. Protection functions are not
designed for continuous repetitive operation.
15
) not subject to production test, specified by design
16)
If channels are connected in parallel, output clamp is usually accomplished by the channel with the lowest
V
ON(CL)
17)
Requires a 150 Ω resistor in GND connection. The reverse load current through the intrinsic drain-source
diode has to be limited by the connected load. Power dissipation is higher compared to normal operating
conditions due to the voltage drop across the drain-source diode. The temperature protection is not active
during reverse current operation! Input and Status currents have to be limited (see max. ratings page 4 and
circuit page 10).
18
) not subject to production test, specified by design
19
) not subject to production test, specified by design
20)
In case of an inverse current of 3A the both status outputs must not be disturbed.
The neighbour channel can be switched normally; not all paramters lay within the range of the spec
Please note, that in case of an inverse current no protection function is active. The power dissipation is
hi
her com
ared to normal o
eration in forward mode due to the volta
e dro
across the drain-source diode
