9.
Electrical Characteristics (Continued)
5V < VS < 27V, –40°C < Tj < 150°C; unless otherwise specified all values refer to GND pins.
No. Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
Voltage drop at the serial In pull-up path with Rslave
8.7
8.8
LIN
VSerDiode
0.4
1.0
V
D
diodes
ISerDiode = 10mA
LIN current limitation
VBUS = VBatt_max
LIN
IBUS_LIM
40
–1
120
200
mA
mA
A
A
Input leakage current at Input leakage current
the receiver including
pull-up resistor as
specified
driver off
VBUS = 0V
VBatt = 12V
8.9
LIN IBUS_PAS_dom
–0.35
Driver off
Leakage current LIN
recessive
8V < VBatt < 18V
8V < VBUS < 18V
VBUS ≥ VBatt
8.10
LIN
LIN
IBUS_PAS_rec
10
20
µA
µA
A
A
Leakage current when
control unit
disconnected from
ground.
loss of local ground must
not affect
GNDDevice = VS
VBatt = 12V
0V < VBUS < 18V
8.11
IBUS_NO_gnd
–10
+0.5
+10
communication in the
residual network
Leakage current at
disconnected battery.
Node has to sustain the VBatt disconnected
8.12 current that can flow VSUP_Device = GND
LIN
IBUS_NO_bat
0.1
2
µA
A
under this condition. Bus 0V < VBUS < 18V
must remain operational
under this condition.
Capacitance on pin LIN
to GND
8.13
9
LIN
LIN
CLIN
20
pF
V
D
A
LIN bus receiver
Center of receiver
threshold
VBUS_CNT
(Vth_dom + Vth_rec)/2
=
0.475 ×
VS
0.5 ×
VS
0.525 ×
VS
9.1
VBUS_CNT
9.2 Receiver dominant state VEN = 5V
9.3 Receiver recessive state VEN = 5V
Receiver input
LIN
LIN
VBUSdom
VBUSrec
–27
0.4 × VS
V
V
A
A
0.6 × VS
40
0.028 ×
VS
0.175 ×
VS
9.4
Vhys = Vth_rec – Vth_dom
LIN
LIN
LIN
VBUShys
VLINH
0.1 x VS
V
V
V
A
A
A
hysteresis
Pre-wake detection LIN
High level input voltage
9.5
VS – 2V
–27
VS + 0.3V
VS – 3.3V
Pre-wake detection LIN
Low level input voltage
9.6
10
Activates the LIN receiver
VLINL
Internal Timers
Dominant time for wake–
up via LIN bus
10.1
VLIN = 0V
VEN = 5V
LIN
EN
tbus
30
5
90
15
150
20
µs
µs
A
A
Time delay for mode
change from fail-safe
into normal mode via pin
EN
10.2
tnorm
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
20
ATA6629/ATA6631 [DATASHEET]
9165E–AUTO–04/14