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NXP Semiconductors Electronic Components Datasheet

MC33660 Datasheet

ISO K line serial link interface

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NXP Semiconductors
Technical Data
Document Number: MC33660
Rev 6.0, 7/2016
ISO K line serial link interface
The 33660 is a serial link bus interface device designed to provide bi-directional
half-duplex communication interfacing in automotive diagnostic applications. It
is designed to interface between the vehicle’s on-board microcontroller, and
systems off-board the vehicle via the special ISO K line. The 33660 is designed
to meet the Diagnostic Systems ISO9141 specification. The device’s K line bus
driver’s output is fully protected against bus shorts and over-temperature
conditions.
The 33660 derives its robustness to temperature and voltage extremes by being
built on a SMARTMOS process, incorporating CMOS logic, bipolar/MOS analog
circuitry, and DMOS power FETs. Although the 33660 was principally designed
for automotive applications, it is suited for other serial communication
applications. It is parametrically specified over an ambient temperature range of
-40 ºC TA 125 ºC and 8.0 V VBB 18 V supply. The economical SO-8
surface-mount plastic package makes the 33660 very cost effective.
Features
• Operates over a wide supply voltage of 8.0 V to 18 V
• Operating temperature of -40 °C to 125 °C
• Interfaces directly to standard CMOS microprocessors
• ISO K line pin protected against shorts to battery
• Thermal shutdown with hysteresis
• ISO K line pin capable of high currents
• ISO K line can be driven with up to 10 nF of parasitic capacitance
• 8.0 kV ESD protection attainable with few additional components
• Standby mode: no VBAT current drain with VDD at 5.0 V
• Low current drain during operation with VDD at 5.0 V
33660
ISO9141 PHYSICAL INTERFACE
EF SUFFIX (PB-FREE)
98ASB42564B
8-PIN SOICN
Applications
• Farm equipment
• Automotive systems
• Industrial equipment
• Robotic equipment
• Applications where module-to-module
communications are required
• Marine and aircraft networks
+VBAT
VDD
VDD
33660
VDD
VBB
MCU
Dx
SCIRxD
SCITxD
CEN
RX
TX
ISO
GND
ISO K-LINE
Figure 1. 33660 simplified application diagram
TXD
RXD
© 2016 NXP B.V.


NXP Semiconductors Electronic Components Datasheet

MC33660 Datasheet

ISO K line serial link interface

No Preview Available !

1 Orderable parts
Table 1. Orderable part variations
Part number (1)
Temperature
(TA)
Package
Parameter
MC33660EF
-40 °C to
125 °C
8-SOICN
VBB Load Dump
Peak Voltage (in
accordance with
ISO 7637-2 & ISO
7637-3)
MC33660BEF
Module Level ESD
(Air Discharge,
Powered)
Notes
1. To order parts in tape & reel, add the R2 suffix to the part number.
2. Recommended for all new designs
Symbol
VBB(5a)
VBB(5b)
VESD4
Condition
33660 33660B (2)
Pulse 5a
470 ohm series resistor and
100 nF capacitor to GND on VBB
Pulse 5b
470 ohm series resistor and
100 nF capacitor to GND on VBB
45 V
82 V
45 V
33 V zener diode and 470 pF
capacitor to GND on ISO
– ±25000 V
33660
2
NXP Semiconductors


Part Number MC33660
Description ISO K line serial link interface
Maker NXP
PDF Download

MC33660 Datasheet PDF






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