TJA1028 データシートの表示（PDF） - NXP Semiconductors.
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TJA1028 Datasheet PDF : 24 Pages
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NXP Semiconductors
TJA1028
LIN transceiver with integrated voltage regulator
7.5.3 Temperature protection
The temperature of the IC is monitored in Normal, Standby and Off modes. If the
temperature is too high (Tvj > Tth(act)otp), the TJA1028 will switch to Off mode (if in Standby
or Normal modes). The voltage regulator and the LIN transmitter will be switched off and
the RSTN pin driven LOW.
When the temperature falls below the overtemperature protection release threshold
(Tvj < Tth(rel)otp), the TJA1028 switches to Standby mode.
8. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
VBAT
Vx
battery supply voltage
voltage on pin x
DC; continuous
DC value
pin VCC
pins TXD, RXD, RSTN and EN
pin LIN with respect to GND
VESD
electrostatic discharge
voltage
HBM
at pins LIN and VBAT
at any other pin
IEC 61000-4-2
at pins LIN and VBAT
MM
at any pin
CDM
at corner pins
at any other pin
Vtrt
transient voltage
on pin VBAT via reverse polarity diode/capacitor;
on pin LIN via 1 nF coupling capacitor
Min
−0.3
−0.3
−0.3
−40
[1]
[2] −8
−2
[3]
−8
[4]
−250
[5]
−750
−500
[6] −150
Max
Unit
+40
V
+7
V
VCC + 0.3 V
+40
V
+8
kV
+2
kV
+8
kV
+250
V
+750
V
+500
V
+100
V
[1] Human Body Model (HBM): according to AEC-Q100-002 (100 pF, 1.5 kΩ).
[2] VCC and VBAT connected to GND, emulating application circuit.
[3] ESD performance of pins LIN and VBAT according to IEC 61000-4-2 (150 pF, 330 Ω) has been verified by an external test house.
[4] Machine Model (MM): according to AEC-Q100-003 (200 pF, 0.75 μH, 10 Ω).
[5] Charged Device Model (CDM): according to AEC-Q100-011 (field Induced charge; 4 pF).
[6] Verified by an external test house to ensure pins can withstand ISO 7637 part 2 automotive transient test pulses 1, 2a, 3a and 3b.
TJA1028
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 25 February 2011
© NXP B.V. 2011. All rights reserved.
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