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Motorola Electronic Components Datasheet

MC33388 Datasheet

Fault Tolerant CAN Interface

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Rev: 2.2 Date: 02 Nov 2000
Advance Information
Fault Tolerant CAN Interface
MC33388
The MC33388 is a CAN physical interface device, dedicated to
automotive body electronic multiplexing applications. It operates in
differential mode, allowing ground shifts up to 1,5V, reducing RFI
disturbances. It offers very low standby current in sleep and standby
mode operation and supports communication speeds up to 125kBauds.
It is fully protected against harsh automotive environments and the
driver is able to detect fault conditions and automatically switches into
appropriate default mode. Under fault condition, it continuously monitors
bus failures in order to switch back to normal bus operation as soon as
faults disappeared.
AUTOMOTIVE FAULT TOLERANT
CAN PHYSICAL LAYER
SEMICONDUCTOR
TECHNICAL DATA
• Very low sleep/standby current (15µA typical)
• Baud rate from 10 kBaud up to 125kBauds
• Automatic switching to single wire mode in case of bus failures and
return to differential mode if bus failures disappear
• Supports one wire transmission modes with ground offset up to 1.5V
• Internal bus driver slope control function to minimize RFI
• Bus line short-circuit protected to battery, VDD and ground
• Bus line protected against automotive transients
• Thermal protection of bus line drivers
• Supports unshielded twisted pair bus
• An unpowered node does not disturb the bus lines
D SUFFIX
PLASTIC PACKAGE
CASE 751A-03
SO-14
• Wake-up capability triggered from bus message and wake-up input pin
• Wake up pin with dual edges sensitivity
• Battery fail flag reported on NERR output
www.DataSheet4U.com• Ambient temperature range from -40°C to 125°C.
PIN CONNECTIONS
Simplified Block Diagram
VDD BAT
WAKE
EN
STB
INH
TX
MODE CONTROL
VDD
PROTECTION
SLOPE
CONTROL
&
DRIVER
WAKE-UP LOGIC
12.5k
S2 S5 S3
S4
S1
RTL
CANH
CANL
RTH
INH 1
TX 2
RX 3
NERR 4
STB 5
EN 6
WAKE 7
14 BAT
13 GND
12 CANL
11 CANH
10 VDD
9 RTL
8 RTH
(Top View)
NERR
FAILURE DETECTION
RX
MUX
GND
RECEIVER
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC33388D TA = -40 to 125°C
SO-14
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Motorola Electronic Components Datasheet

MC33388 Datasheet

Fault Tolerant CAN Interface

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MC33388
MAXIMUM RATING
Ratings
Symbol Min Typ
DC Supply Voltage Pin 10
VDD -0.3
DC Voltage On Pins 2, 3, 4, 5, 6 and 7
VDD -0.3
DC Voltage On Pins 11, 12
VBUS
-20
Transient Voltage At Pins 11, 12
0 < VDD < 5.5V ; VBAT0 ; T < 500ms
Transient Voltage On Pins 11, 12 (Coupled Through 1nF
Capacitor)
VCANH/VCANL
Vtr
-40
-150
DC Voltage On Pin 7
Vwake
Current In Pin 7
I wake
-15
DC Voltage On Pins 1
Vinh -0.3
DC Voltage On Pins 8, 9
Vrtl, Vrth
-0.3
DC Voltage On Pins 14
VBAT
-0.3
Voltage On Pins 14 (Load Dump, 500ms)
VBAT
ESD Voltage On Any Pins (HBM.100pF ; 1.5k)
VESD
-3.0
ESD Voltage On Any Pins (MM.200pF ; 0)
VESD
-200
Junction Temperature
Tj -40
Storage Temperature
Tstg -55
www.DataSheet4U.comRTH, RTL Termination Resistance
Rt 500
THERMAL RATINGS
Ratings
Symbol
Value
Unit
Thermal Resistance From Junction To Ambient
Rth j/a
120 °C/W
Max
6
VDD + 0.3
+27
40
Unit
V
V
V
V
100
VBAT +0.3
3
VBAT + 0.3
40
27
40
3.0
200
150
150
16000
V
V
mA
V
V
V
V
kV
V
°C
°C
ELECTRICAL CHARACTERISTICS VDD = 4,75 to 5,25 ; VBAT=6 to 27V ; Tamb = -40 to 125°C unless otherwise specified
Conditions
Symbol Min Typ
SUPPLY
Vdd Supply Current (Normal Mode)
TX= VDD, Recessive State
Vdd Supply Current (Normal Mode)
TX = 0V, No Load, Dominant State
Vbat Supply Current (Normal Mode)
TX = VDD
Total Supply Current (Receive Only Mode)
VDD = 5V ; VBAT = 12V
Total Supply Current (Vbat Standby Mode)
VDD = 5V ; VBAT = 12V
Vbat Supply Current (Sleep Mode)
VDD = 0V ; VBAT = 12V
IVDD
IVDD
IBAT
IVDD + IBAT
IVDD + IBAT
IBAT
2.3
3.3
150
0.85
20
15
Max Unit
3 mA
5 mA
300 µA
1.2 mA
40 µA
25 µA
MC33388
MOTOROLA
2
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Part Number MC33388
Description Fault Tolerant CAN Interface
Maker Motorola
PDF Download

MC33388 Datasheet PDF






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