TB9051FTG
Ver.1.1 2019-03-14
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10.6. Over-current detection circuit at the time of short to power supply, short to GND,
and load short
Table 10.7 Electrical characteristics of over-current detection circuit at the time of short to
power supply, short to GND, and load short
Test condition unless otherwise specified, VBAT = 4.5 to 28 V,VCC = 4.5 to 5.5 V, Ta = -40 to 125°C
Parameter Symbol
Pin
name Test condition
MIN TYP. MAX Unit
Over current circuit
threshold
Iovc OUT1,
OUT2
-
8.5 11.0
14.0 A
OFF time
TOFF
OUT1, OUT2
OCC
:
H,
Figure 7.8-1
330 500 860 ms
10.7. DIAG output
Table 10.8 Electrical characteristics of DIAG output
Test condition unless otherwise specified, VBAT=4.5 to 28V, VCC=4.5 to 5.5V,Ta=-40 to 125°C
Parameter Symbol
Pin
name
Test condition
MIN TYP. MAX Unit
Leakage current of
DIAG output
Idiag(leak)
DIAG
Vdiag = 5V
-
0
5.0
μ
A
L-level output voltage
Vdiag
DIAG
RL = 5.1 k
Ω
-
0.02
0.4
V
Response time
Tpddiag
DIAG
-
-
-
8.0
μ
s
10.8. High-side current monitoring
Table 10.9 Electrical characteristics of output (High-side) current monitoring
Test condition unless otherwise specified, VBAT = 4.5 to 28 V,VCC = 4.5 to 5.5 V, Ta = -40 to 125°C
Parameter Symbol
Pin
name Test condition
MIN TYP. MAX Unit
OCM output
current 1
VOCM OCM
R = 220
Ω
, Iout = 0 mA
-
-
500
μ
A
OCM output
current 2
R = 220
Ω
, Iout = 300 mA
250
720 1300
μ
A
OCM output
current 3
R = 220
Ω
, Iout = 500 mA
0.60
1.20 1.90 mA
OCM output
current 4
R = 220
Ω
, Iout = 1.5 A
2.68
3.35 4.02 mA
OCM output
current 5
R = 220
Ω
, Iout = 3.0 A
5.36
6.70 8.04 mA
OCM output
current 6
R = 220
Ω
, Iout = 6.0 A
10.70 13.38 16.06 mA
Dynamic range
DROCM
OCM
-
0
-
4
V
Note) The voltage (min) of VCC is using 4.5 V. Even if it attaches higher resistance than 220
Ω
for
an external resistor,please keep in mind that voltage is reaching the ceiling in use.