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參數資料
| 型號： | TMS37134 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Entry Transponder IC |
| 中文描述： | 進入應答器集成電路 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 58K |
| 代理商： | TMS37134 |
The Entry Transponder (ET) IC combines the proven TI DST+
transponder with a sophisticated power management; it has an
SPI interface to connect it to an external micro-controller, ideally
suited for Remote Keyless Entry applications for automotive.
The embedded DST+ transponder offers a high level of security
through its encryption, mutual authentication and after-theft
diagnosis features; it operates without battery. The power
management features battery charge and battery check
functions, which can be used for charging of the battery through
the transponder LF field.
Specifications:
R
ADIO
F
REQUE NCY
I
DE NTIFICATION
S
Y S TEMS
Entry Transponder IC
TMS37134
Base station
in the car
T
3
Identification
device
LF
UHF
Texas Instruments reserves the right to change its products and services at any time without notice. TI provides customer assistance in various
technical areas, but does not have full access to data concerning the uses and applications of customers products. Therefore, TI assumes no
responsibility for customer product design or for infringement of patents and/or the rights of third parties, which may result from assistance
provided by TI.
Copyright 2002 Texas Instruments Incorporated.
Data Sheet: 11-07-22-007 11/03
UHF
receiver
LF Trans-
ceiver
Control
Unit
μC
Part Number
Features
TMS 37134
Immobilizer plus power management
Immobilizer compatible to DST+ (E9WK )
Battery Check / Charge function
Supply Voltage
1.8 … 3.6 V
Current consumption
100μA (max.) @3V
Transponder
Transmission Principle
HDX (Half Duplex), FDX ( Full Duplex using amplitude Modulation)
Operating Frequency
134.2 kHz
Modulation Downlink (to the TRP)
100% AM, Bit Coding PWM or PPM
Security
TI Challenge/Response, Mutual Authentication, Secure Issuer Access Mode
Encryption, Mutual Authentication, Issuer Key
Each 40 bit
Encryption response (signature)
24 bit
Modulation Downlink (to the TRP)
100% AM, Bit Coding PWM or PPM
Datarate Downlink
PWM: typ. 1,3kBit / PPM: typ. 2kBit
EEPROM Memory
127Byte (lockable) for User data, 25Byte for Encryption Keys, serial#,
ti
< 1fi
Read Time for an Encryption
Activation Field Strength
137.5dBμA/m
Operating Temperature
-40 to +85
°
C
Storage Temperature
-40 to +125
°
C
Package
20 Pin TSSOP PW
For more information, contact the sales office or distributor nearest you. This contact information can be found
on our web site at:
http://www.ti-rfid.com
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