TPS1HC100-Q1
ZHCSLK6A –JULY 2021 –REVISED DECEMBER 2021
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6.5 Electrical Characteristics (continued)
VBB = 6 V to 28 V, TA = -40°C to 125°C (unless otherwise noted); Typical application is 13.5V, 10Ω, RILIM=Open (unless
otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Current sense ratio
IOUT / ISNS
KSNS
IOUT = 1 A
1040
Saturated sense current
level
ISAT_SNS
Maximum amount of load current that can be sensed
IOUT = 4 A
6
A
3.87
mA
%
6
6
–6
–6
1.93
0.96
mA
%
IOUT = 2 A
mA
%
IOUT = 1 A
6
–6
0.48
mA
%
IOUT = 500 mA
6
–6
0.192
0.096
0.048
0.0192
0.0096
0.0048
mA
%
IOUT = 200 mA
6
–6
Current sense current
and accuracy
ISNSI
VEN = VDIA_EN = 5 V
mA
%
IOUT = 100 mA
6
–6
mA
%
IOUT = 50 mA
IOUT = 20 mA
IOUT = 10 mA
IOUT = 5 mA
7
–7
mA
%
15
40
70
–15
–40
–70
mA
%
mA
%
SNS CHARACTERISTICS
VDIA_EN = 5 V
4.75
3.3
5
3.5
5.5
3.75
3.5
V
V
VSNSFH
VSNS fault high-level
VDIA_EN = 3.3 V
VDIA_EN = VIH
VSNSFH
ISNSFH
VSNS fault high-level
ISNS fault high-level
2.8
3.15
6.6
V
VDIA_EN > VIH,DIAG_EN
mA
µA
µA
1.8
2.2
TA = 25℃
VDIA_EN = 5 V, IL = 0 mA
TA = 125℃
ISNSleak
ISNS leakage
VBB headroom needed
VBB_ISNS
for full current sense and VDIAG_EN = 3.3V
fault functionality
5.3
6.5
V
V
VBB headroom needed
for full current sense and VDIAG_EN = 5V
fault functionality
VBB_ISNS
CURRENT LIMIT CHARACTERISTICS
TJ = -40°C to 150°C dI/dt
< 0.01 A/ms
ICL_LINPK
ICL_ENPS
Linear Mode peak
IILIM = 0.7A to 7A
0.9 × ICL
1.4 × ICL
2 × ICL
A
A
Peak current enabling
into permanent short
TJ = -40°C to 150°C
RILIM = 7.15K to 71.5K
6.5
9.5
16
A
A
A
OVCR Peak current
threshold when short is
applied while switch
enabled
RILIM > 35kΩ
IOVCR
TJ = -40°C to 150°C
15kΩ ≤RILIM ≤35kΩ
RILIM < 15kΩ
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