TPS1HC30-Q1
ZHCSP75A –JULY 2022 –REVISED DECEMBER 2022
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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 13.5 V, 10 Ω, RILIM=Open (unless
otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
1560
3.8
MAX
UNIT
Current sense ratio
IOUT / ISNS
KSNS
IOUT = 1.5 A
mA
%
IOUT = 6 A
3
4
–3
–4
1.92
0.96
mA
%
IOUT = 3 A
mA
%
IOUT = 1.5 A
IOUT = 750 mA
IOUT = 300 mA
4
–4
0.48
mA
%
6
–6
0.192
0.096
0.0481
0.0192
0.0096
0.0048
mA
%
10
15
25
40
60
80
–10
–15
–25
–40
–60
-80
Current sense current
and accuracy
VBB > VBB_ISNS, VEN
VDIA_EN = 5 V
=
ISNSI
mA
%
IOUT = 150 mA
IOUT = 75 mA
IOUT = 30 mA
IOUT = 15 mA
IOUT = 7.5 mA
mA
%
mA
%
mA
%
mA
%
SNS CHARACTERISTICS
VDIA_EN = 5 V
VDIA_EN = 3.3 V
VDIA_EN = VIH
4.2
3.3
2.8
5
3.5
5.77
3.75
3.5
V
V
VSNSFH
VSNS fault high-level
3.15
6.6
V
ISNSFH
ISNS fault high-level
VDIA_EN > VIH,DIAG_EN
mA
VBB headroom needed
VBB_ISNS
for full current sense and VDIAG_EN = 3.3 V
fault functionality
5.3
6.5
V
V
VBB headroom needed
for full current sense and VDIAG_EN = 5 V
fault functionality
VBB_ISNS
CURRENT LIMIT CHARACTERISTICS
RILIM = 7.15 kΩto
71.5 kΩ
TJ = –40°C to
150°C dI/dt < 0.01 A/ms
ICL_LINPK
Linear Mode peak
1.4 × ICL
2 × ICL
A
A
Peak current enabling
into permanent short
RILIM = 7.15 kΩto
71.5 kΩ
ICL_ENPS
TJ = –40°C to 150°C
TJ = –40°C to 150°C
15
23
A
A
A
A
OVCR Peak current
threshold when short is
applied while switch
enabled
RILIM ≥35 kΩ
IOVCR
15 kΩ ≤RILIM < 35 kΩ
RILIM < 15kΩ
33
RILIM = GND
9.1
13
5
16.9
ICL Current Limit
Threshold(1)
TJ = –40°C to 150°C,
VDS = 3 V
RILIM = open, or out of
range
ICL
A
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6
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