參數(shù)資料
型號(hào)： MC33889DWR2
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 1/59頁(yè)
文件大?。?/td> 0K
描述： IC SYSTEM BASE W/CAN 28-SOIC
標(biāo)準(zhǔn)包裝： 1,000
控制器類型： 系統(tǒng)基礎(chǔ)芯片
接口： CAN
電源電壓： 5.5 V ~ 18 V
電流 - 電源： 45mA
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 28-SOIC W
包裝： 帶卷 (TR)
Document Number: MC33889
Rev. 14.0, 6/2013
Freescale Semiconductor
Technical Data
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., 2007-2013. All rights reserved.
System Basis Chip (SBC) with
Low Speed Fault Tolerant CAN
Interface
The 33889 is an SBC having a fully protected, fixed 5.0 V low drop-
out regulator, with current limit, overtemperature pre-warning and
reset. An SBC device is a monolithic IC combining many functions
repeatedly found in standard microcontroller-based systems, e.g.,
protection, diagnostics, communication, power, etc.
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, serial peripheral interfce (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
Figure 1. 33889 Simplified Application Diagram
SYSTEM BASIS CHIP
33889
*Recommended for new designs
ORDERING INFORMATION
Device
(Add R2 Suffix for
Tape and Reel)
Temperature
Range (TA)
Package
MC33889BPEG
-40 to 125°C
28 SOICW
*MC33889DPEG
EG SUFFIX (PB-FREE)
PLASTIC PACKAGE
98ASB42345B
28-PIN SOICW
Local Module Supply
Safe Circuits
33889
V
MOSI
SCLK
MISO
SPI
CS
Wake-Up Inputs
5.0 V
MCU
VPWR
CAN Bus
Twisted
Pair
HS1
WDOG
VDD1
INT
RST
MOSI
SCLK
MISO
TXD
RXD
GND
VSUP
L0
L1
V2CTRL
V2
CANH
CANL
RTH
RTL
CS
2
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