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TPIC1021D 数据表(PDF) 8 Page - Texas Instruments

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部件名 TPIC1021D
功能描述  LIN Physical Interface
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TPIC1021D 数据表(HTML) 8 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
TPIC1021
LIN Physical Interface
SLIS113C – OCTOBER 2004 – REVISED JULY 2005
V
SUP = 7 V to 27 V, TA = -40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
SUPPLY
Operational supply voltage(2)
7
14
27
V
Nominal supply line voltage(2)
7
14
18
V
VSUP undervoltage threshold(2)
4.5
V
ICC
Supply Current
Normal Mode, EN = 1, Bus domi-
1.2
2.5
mA
nant (total bus load > 500
Ω)(3)
Standby Mode, EN = 0, Bus domi-
1
2.1
mA
nant (total bus load > 500
Ω)(3)
Normal Mode, EN = 1, Bus recess-
300
500
µA
ive
Standby Mode, EN = 0, Bus recess-
300
500
µA
ive
Low Power Mode, EN = 0, VSUP <
20
50
µA
14 V, NWake = VSUP, LIN = VSUP
Low Power Mode, EN = 0, 14 V <
50
100
µA
VSUP < 27 V, NWake = VSUP, LIN =
VSUP
RXD OUTPUT PIN
VO
Output voltage
-0.3
5.5
V
IOL
Low-level output current, open drain
LIN = 0 V, RXD = 0.4 V
3.5
mA
IIKG
Leakage current, high-level
LIN = VSUP, RXD = 5 V
-5
0
5
µA
TXD INPUT PIN
VIL
Low-level input voltage(2)
-0.3
0.8
V
VIH
High-level input voltage(2)
2
5.5
V
VIT
Input threshold hysteresis voltage(2)
30
500
mV
Pull-down resistor
125
350
800
k
IIL
Low-level input current
TXD = 0
-5
0
5
µA
LIN PIN (Referenced to VSUP)
VOH
High-level output voltage(2)
LIN recessive, TXD = High, IO = 0
VSUP-1V
V
mA
VOL
Low-level output voltage(2)
LIN dominant, TXD = Low, IO = 40
0
0.2
×V
SUP
V
mA
Pull-up resistor to VSUP
20
30
60
k
IL
Limiting current
TXD = Low
50
150
250
mA
IIKG
Leakage current
LIN = VSUP
-5
0
5
µA
VIL
Low-level input voltage(2)
LIN dominant
0
×V
SUP
0.4
×V
SUP
V
VIH
High-level input voltage(2)
LIN recessive
0.6
×V
SUP
VSUP
V
VIT
Input threshold voltage(2)
0.4
×V
SUP
0.5
×V
SUP
0.6
×V
SUP
V
Vhys
Hysteresis voltage(2)
0.05
×V
SUP
0.175
×V
SUP
V
VIL
Low-level input voltage for
0
0.4
×V
SUP
V
wake-up(2)
EN PIN
VIL
Low-level input voltage(2)
-0.3
0.8
V
VIH
High-level input voltage(2)
2
5.5
V
Vhys
Hysteresis voltage(2)
30
500
mV
(1)
Typical values are give for VSUP = 14 V at 25°C.
(2)
All voltages are defined with respect to ground; positive currents flow into the TPIC1021 device.
(3)
In the dominant state the supply current increases as the supply voltage increases due to the integrated LIN slave termination
resistance. At higher voltages the majority of supply current is through the termination resistance. The minimum resistance of the LIN
slave termination is 20 k
Ω so the maximum supply current attributed to the termination is: I
SUP (dom) max termination ≈ (VSUP
(VLIN_Dominant+0.7V) / 20 kΩ.
8


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