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MC33399 Datasheet

Local Interconnect Network (LIN) Physical Interface

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Freescale Semiconductor, Inc. Order Number: MC33399/D
Rev. 4.0, 08/2001
Semiconductor Technical Data
Advance Information
Automotive “Local Interconnect
Network” Physical Interface
MC33399
The MC33399 is a Physical Layer component dedicated to automotive sub
bus applications. The device is compliant to LIN specification. Its main
features are:
• Speed Communication from 1 to 20Kb/s
• Nominal Operation from VSUP 8 to 18V DC
• Fully Functional up to 27V DC battery voltage.
• 40V maximum Voltage during Load Dump
• Handle from +40V to -18V DC voltage at LIN pin
• Gnd disconnection fail safe at module level
• An Unpowered Node does not disturb the network
• GND Shift Operation at system level
• Two Operation Modes: Normal and Sleep Mode
• Very Low Standby Current during Sleep Mode 20uA
• Wake-up Capability from LIN bus, MCU command and dedicated high
voltage wake up input (interface to external switch)
• Interface to MCU with CMOS compatible I/O pins
• Control of External Voltage Regulator
• LIN bus Threshold Voltage fully Compatible with LIN protocol specification
• Bus slew rate control according to LIN protocol specification
recommendations (2V/us typ.)
• Internal pull up resistor
• Handle Automotive Transients per ISO9137 Specification
• ESD 4KV on LIN bus Pin
• High EMC Immunity
LIN INTERFACE
SILICON MONOLITHIC
INTEGRATED CIRCUIT
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO-8)
Simplified Block Diagram
PIN CONNECTIONS
Wake VSUP
MC33399
Wake up
INH
V-Reg Ctrl
V. ref
EN Bias
Logic
Rxd Receiver
Protection
30k
LIN
RX
EN
Wake
TX
1
2
3
4
8 INH
7 Vsup
6 LIN
5 gnd
(Top view)
Txd
Gnd
Driver
ORDERING INFORMATION
Device
_
Operating Temperature
Range
- 40°C to+125°C
Package
SO-8
This document contains information on a new product. Specifications and
information herein are subject to change without notice.
For More Information On This Product,
© Motorola, Inc., 2001. All rights reserved.
Go to: www.freescale.com
TM


Motorola Electronic Components Datasheet

MC33399 Datasheet

Local Interconnect Network (LIN) Physical Interface

No Preview Available !

Freescale SMeCm33i3c99onductor, Inc.
MAXIMUM RATINGS
Ratings
ELECTRICAL RATINGS
VSUP
- Continuous Supply Voltage
- Transient Voltage (Load dump)
Wake DC & Transient Voltage (Through a 33kohms serial resistor)
Logic pins (Rx, Tx, EN)
LIN
- DC voltage
- Transient (coupled through 1nF capacitor)
INH
- DC Voltage
- Transient Voltage
ESD Human Body Model (100pF, 1.5 kOhms)
- All Pins, Except LIN Pin
- LIN Pin
ESD Machine Model (220pF, 0 Ohms)
- All Pins
THERMAL RATINGS
Junction Temperature
Storage Temperature
Ambient Temperature
Thermal Resistance Junction to Ambient
Thermal Shutdown
Thermal Shutdown Hysteresis
Symbol
VSUP
VSUP
Vwake
Vlog
Vbus
Vinh
VHesd
VMesd
Tj
Ts
Ta
Rtja
Tshut
Thyst
Min
-18V
- 0.3
-18
-150
-0.3
tbd
-2
-4
-200
- 40
- 55
- 40
150
8
Typ
170
10
Max Unit
+27
+40
+40
5.5
+40
+100
Vsup+0.3
tbd
+2
+4
+200
V
V
V
V
V
kV
V
+150
+165
+125
150
200
20
°C
°C
°C
°C/W
°C
°C
ELECTRICAL CHARACTERISTICS ( VSUP = FROM 7 TO 18V, and TJ FROM -40 TO 150°C UNLESS OTHERWISE NOTED)
Description
VSUP pin (Device power supply)
Nominal DC Voltage Range
Supply Current in Sleep Mode
Supply Current in Sleep Mode and
Vsup>14V
Supply Current in Normal Mode
Supply Current in Normal Mode
Vsup Undervolatage Threshold
Rx output pin (logic)
Low Level Voltage Output
High Level Voltage Output
Tx input pin (logic)
Low Level Voltage Input
High Level Voltage Input
Input Threshold Hysteresis
Symbol
Characteristics
Min Typ Max
VSUP
7
13.5
18
Is1 20 50
Is2 300
Is(n-rec)
Is(n-dom)
2
3
Vsup_low
5.8
6.4
6.8
Vol 0
Voh 3.75
0.9
5.25
Vil 1.5
Vih 3.5
Vinhyst
50
400
Unit Conditions
V
µA Sleep mode
Vlin>Vsup-0.5V
Vsup<14V
µA 14V<Vsup<27V
mA Bus recessive
mA Bus dominant
Total bus load >500 Ohms
V
V I out +1.5mA
V I out -250uA
V
V
mV
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Part Number MC33399
Description Local Interconnect Network (LIN) Physical Interface
Maker Motorola
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MC33399 Datasheet PDF






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