uja1061 NXP Semiconductors, uja1061 Datasheet - Page 63

• Manufacturer Part Number: uja1061
• Description: Low Speed Can/lin System Basis Chip
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 27.
T
voltages are defined with respect to ground. Positive currents flow into the IC.
UJA1061_5
Product data sheet
Symbol
Battery monitoring
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
Reset output; pin RSTN
t
t
t
BAT42(L)
V1(CLT)
V2(CLT)
W(CS)
on(CS)
WU(ipf)
su(CS)
WD(ETP)
WD(LTP)
WD(init)
ret
RSTN(CHT)
RSTN(CLT)
RSTN(INT)
vj
= 40 C to + 150 C; V
Dynamic characteristics
Parameter
BAT42 LOW time for
setting PWONS
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
watchdog initializing
period
retention time
clamped HIGH time,
pin RSTN
clamped LOW time,
pin RSTN
interrupt monitoring
time
BAT42
= 5.5 V to 52 V; V
[1]
Conditions
Start-up mode; V1 active
V2 active
V3C = 10; see
V3C = 11; see
V3C = 10; see
V3C = 11; see
V
V
V3C = 11 or 10; see
programmed Nominal
Watchdog Period (NWP);
Normal mode
programmed nominal
watchdog period; Normal
mode, Standby mode and
Sleep mode
watchdog time-out in Start-up
mode
Fail-safe mode; wake-up
detected
RSTN driven LOW internally
but RSTN pin remains HIGH
RSTN driven HIGH internally
but RSTN pin remains LOW
INTN = 0
(Continued)
BAT42
BAT42
= 5 V to 27 V
= 27 V to 52 V
Rev. 05 — 22 November 2007
BAT14
Figure 13
Figure 13
Figure 13
Figure 13
= 5.5 V to 27 V; V
Figure 13
Fault-tolerant CAN/LIN fail-safe system basis chip
BAT42
Min
5
229
28
14
28
345
345
5
30
310
0.45
NWP
0.9
229
1.3
115
229
229
V
BAT14
NWP -
1 V; unless otherwise specified. All
Typ
-
-
-
-
-
-
-
-
-
-
-
-
1.5
-
-
-
© NXP B.V. 2007 Nov 23. All rights reserved.
UJA1061
Max
20
283
36
18
36
423
423
120
250
390
0.55
NWP
1.1
283
1.7
141
283
283
NWP
Unit
ms
ms
ms
ms
ms
s
ms
ms
ms
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s
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