uja1066 NXP Semiconductors, uja1066 Datasheet - Page 59

• Manufacturer Part Number: uja1066
• Description: High-speed Can Fail-safe System Basis Chip
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 27.
T
voltages are defined with respect to ground. Positive currents flow into the IC.
UJA1066_2
Product data sheet
Symbol
t
t
Battery monitoring
t
t
Power supply V1; pin V1
t
Power supply V2; pin V2
t
Power supply V3; pin V3
t
t
Wake-up input; pin WAKE
t
t
Watchdog
t
t
t
Fail-safe mode
t
off-line
off-line(ext)
BAT42(L)
SENSE(L)
V1(CLT)
V2(CLT)
w(CS)
on(CS)
WU(ipf)
su(CS)
WD(ETP)
WD(LTP)
WD(init)
ret
vj
= 40 C to +150 C; V
Dynamic characteristics
Parameter
maximum time before
entering Off-line mode
extended minimum time
before entering Off-line
mode
BAT42 LOW time for setting
PWONS
BAT42 LOW time for setting
BATFI
V1 clamped LOW time
during ramp-up of V1
V2 clamped LOW time
during ramp-up of V2
cyclic sense period
cyclic sense on-time
input port filter time
cyclic sense sample setup
time
earliest watchdog trigger
point
latest watchdog trigger point programmed nominal
watchdog initializing period
retention time
BAT42
= 5.5 V to 52 V; V
…continued
Conditions
On-line or On-line Listen
mode; TXDC = V
COTC = 0; no bus activity
On-line or On-line Listen
mode; TXDC = V
COTC = 1; no bus activity
On-line or On-line Listen mode
after CAN wake-up event;
TXDC = V
activity
Start-up mode; V1 active
V2 active
V3C[1:0] = 10; see
V3C[1:0] = 11; see
V3C[1:0] = 10; see
V3C[1:0] = 11; see
V
V
V3C[1:0] = 11 or 10;
see
programmed Nominal
Watchdog Period (NWP);
Normal mode
watchdog period; Normal
mode, Standby mode and
Sleep mode
watchdog time-out in Start-up
mode
Fail-safe mode; wake-up
detected
BAT42
BAT42
BAT14
Figure 11
Rev. 02 — 5 May 2009
= 5 V to 27 V
= 27 V to 52 V
= 5.5 V to 27 V; V
V1
; V2D = 1; no bus
V1
V1
; V2D = 1;
; V2D = 1;
Figure 11
Figure 11
Figure 11
Figure 11
High-speed CAN fail-safe system basis chip
BAT42
[1]
V
BAT14
Min
50
200
400
5
5
229
28
14
28
345
345
5
30
310
0.45
0.9
229
1.3
1 V; unless otherwise specified. All
NWP
NWP -
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.5
UJA1066
© NXP B.V. 2009. All rights reserved.
Max
66
265
530
20
20
283
36
18
36
423
423
120
250
390
0.55
1.1
283
1.7
NWP
NWP
59 of 69
Unit
ms
ms
ms
ms
ms
ms
ms
ms
s
s
s
s
s
s
s
s