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Freescale Semiconductor Electronic Components Datasheet

MCZ33889 Datasheet

System Basis Chip

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MCZ33889 pdf
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Freescale Semiconductor
Technical Data
Document Number: MC33889
Rev. 11.0, 12/2006
System Basis Chip with Low
Speed Fault Tolerant CAN
Interface
33889
An SBC device is a monolithic IC combining many functions
repeatedly found in standard microcontroller-based systems, e.g.,
protection, diagnostics, communication, power, etc. The 33889 is an
SBC having fully protected, fixed 5.0 V low drop-out regulator, with
current limit, over-temperature pre-warning and reset.
An output drive with sense input is also provided to implement a
second 5.0 V regulator using an external PNP. The 33889 has Normal,
Standby, Stop and Sleep modes; an internally switched high-side
power supply output with two wake-up inputs; programmable timeout
or window watchdog, Interrupt, Reset, SPI input control, and a low-
speed fault tolerant CAN transceiver, compatible with CAN 2.0 A and
B protocols for module-to-module communications. The combination
is an economical solution for power management, high-speed
communication, and control in MCU-based systems.
Features
• VDD1: 5.0 V low drop voltage regulator, current limitation,
overtemperature detection, monitoring and reset function with total
current capability 200 mA
• V2: tracking function of VDD1 regulator; control circuitry for external
bipolar ballast transistor for high flexibility in choice of peripheral
voltage and current supply
• Four operational modes
• Low standby current consumption in Stop and Sleep modes
• Built-in low speed 125 kbps fault tolerant CAN physical interface.
• External high voltage wake-up input, associated with HS1 VBAT
switch
• 150 mA output current capability for HS1 VBAT switch allowing
drive of external switches pull-up resistors or relays
• Pb-Free Packaging Designated by Suffix Code EG
SYSTEM BASIS CHIP
DW SUFFIX
EG SUFFIX (PB-FREE)
PLASTIC PACKAGE
98ASB42345B
28-PIN SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33889BDW/R2
MCZ33889BEG/R2
MC33889DDW/R2
-40°C to 125°C
28 SOICW
*MCZ33889DEG/R2
*Recommended for new designs
VPWR
33889
5.0 V
VDD1
VSUP
V2
MCU
GND
RST
INT
V2CTRL
V2
HS1
Local Module Supply
CS
SCLK
MOSI
MISO
CS
SPI
SCLK
MOSI
MISO
L0
L1
WDOG
RTH
Wake-Up Inputs
Safe Circuits
TXD CANH
RXD CANL
Twisted
CAN Bus
Pair
RTL
Figure 1. 33889 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as
may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2006. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MCZ33889 Datasheet

System Basis Chip

No Preview Available !

MCZ33889 pdf
DEVICE VARIATIONS
DEVICE VARIATIONS
Table 1. Device Variations Between the 33889D and 33889B Versions (1)
Parameters
Symbol
Trait
Device Part Number
MC33889B(2)
MC33889D(2)
Differential Receiver, Recessive To Dominant Threshold
(By Definition, VDIFF = VCANH-VCANL)
VDIFF1
Min
Typ
3.2 V
2.6 V
3.5 V
3.0 V
Differential Receiver, Dominant To Recessive Threshold
(Bus Failures 1, 2, 5)
VDIFF2
Max
Min
Typ
2.1 V
3.2 V
2.6 V
2.5 V
3.5 V
3.0 V
CANH Output Current (VCANH = 0; TX = 0.0)
ICANH
Max
Min
Typ
2.1 V
50 mA
75 mA
2.5 V
50 mA
100 mA
CANL Output Current (VCANL = 14 V; TX = 0.0)
Max 110 mA
ICANL
Min
Typ
50 mA
90 mA
130 mA
50 mA
140 mA
Detection threshold for Short circuit to Battery voltage
Vcanh
loop time Tx to Rx, no bus failure, ISO configuration
tLOOPRD
loop time Tx to Rx, with bus failure, ISO configuration
tLOOPRD-F
loop time Tx to Rx, with bus failure and +-1.5V gnd shift, tLOOPRD/DR-F+GS
5 node network, ISO configuration
Max
max
max
max
135 mA
Vsup/2 + 5V
N/A
N/A
N/A
170 mA
Vsup/2 + 4.55V
1.5us
1.9us
3.6us
Minimum Dominant time for Wake up on CANL or CANH
(Tem Vbat mode)
tWAKE
min
typ
N/A
30
8
16
T2SPI timing
T2spi
max N/A
min not specified, 25us
spec applied
30
25us
DEVICE BEHAVIOR
CANH or CANL open wire recovery principle
Rx behavior in TermVbat mode
Reference MC33889B: on page
after 4 non
33 consecutive pulses
after 4 consecutive
pulses
Reference MC33889D: on page Rx recessive, no pulse Rx recessive, dominant
34 pulse to signal bus
traffic
Notes
1. This datasheet uses the term 33889 in the inclusive sense, referring to both the D version (33889D) and the B version (33689B).
2. The 33889D and 33889B versions are nearly identical. However, where variations in characteristic occur, these items will be separated
onto individual lines.
33889
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number MCZ33889
Description System Basis Chip
Maker Freescale Semiconductor
Total Page 30 Pages
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