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TK5530
Read-Only Transponder
Description
The TK5530 is a complete transponder, which implements all important functions for immobilizer and identification systems. It consists of a plastic cube which accommodates the read-only IDIC *) e5530 and the antenna is realized by a LC-circuit.The identifying data are stored in a 128 bit PROM on the e5530, realized as an array of laser-programmable fuses. The logic block diagram for the e5530 is shown in figure 2. The data are sent bit-serially as a code. Any attempt to fake the base station with a wrong transponder will be recognized immediately.
Features
D Identification transponder in plastic cube D Basic component: e5530 IDIC D Includes coil and capacitor for tuned circuit antenna D Adjusted to 125 kHz carrier frequency
Application
D Car immobilizer D Access control D Alarm systems D Other identification systems
RF field
Transponder TK5530 (e5530 + coil + C in plastic cube) C e5530
Power Coil Data
Base station U2270B reader IC MARC4 series mC
Figure 1. Transponder and base station
*)
IDIC stands for IDentification Integrated Circuit and is a trademark of TEMIC Semiconductors.
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TK5530
General
The transponder consists of a plastic cube which accommodates following components: D Read-only IDIC with ROM (e5530) D Antenna realized as tuned LC-circuit IDIC responds with a data stream by damping the incoming RF via an internal load. This damping in turn can be detected by the reader. The identifying data are stored in a 128 bit PROM on the e5530, which is factory programmed with a unique code (see specification of the e5530). The e5530 has several possible options regarding modulation, bitrate, memory size etc.
Read-Only IDIC
with ROM (e5530)
The e5530 is part of a closed coupled identification system (see "Figure 1: Transponder and Reader". It receives power from a RF transmitter (reader) which is coupled inductively to the IDIC. The TK5530- transponder operates at a nominal frequency of 125 kHz. Receiving RF, the
Antenna
The antenna consists of a coil and a capacitor for tuning the circuit to the nominal carrier frequency of 125 kHz. The coil has a ferrite-core for improving the readout distance.
Analog front end Mod Modulator FSK PSK BIPH Manchester Row decoder Data
Load Coil
Clock extractor
Clk
R7 R6 R5 R4 R3 R2 R1 R0
128 bit PROM
Coil A2 A1 A0 Rectifier A6 A5 A4 A3 Counter
Bitrate
VDD
VSS
Figure 2. Block diagram
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C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2 C1 C0 Column decoder
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TK5530
Electrical Characteristics Absolute Maximum Ratings
Parameters Operating temperature range Storage temperature range Assembly temperature t < 5 min Magnetic field strength at 125 kHz Symbol Tamb Tstg Tass Hpp Value -40 to +85 -40 to +125 170 1000 Unit C C C A/m
Operating Characteristics Transponder
Tamb = 25_C, f = 125 kHz unless otherwise specified Parameters Inductance LC circuit, Hpp = 20 A/m Resonance frequency Resonance frequency Quality factor Magnetic Field Strength (H) Parameters Max. field strength where tag does not modulate Field strength for operation Field strength for operation Field strength for operation Maximun field strength Test Conditions No influence to other tags in the field Tamb = -40C Tamb = 25C Tamb = 85C Symbol Hpp not Hpp -40 Hpp 25 Hpp 85 Hpp max Min. Typ. 2 30 18 17 600 Max. Unit A/m A/m A/m A/m A/m Test Conditions Symbol L fr fr QLC Min. Typ. 3.95 125 13 Max. Unit mH kHz kHz
Room temperature Tamb = -40 to +85C
121.4 120.0
129.2 131.0
Modulation Range (see also H-DV curve) Parameters Modulation range Test Conditions Hpp = 20 A/m Hpp = 30 A/m Hpp = 50 A/m Hpp = 100 A/m Symbol DV Min. Typ. 4.0 6.0 8.0 8.0 Max. Unit V
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TK5530
4 TK of resonance frequency ( % ) 3 2 DV (V) -20 0 20 40 60 Temperature ( C ) 80 100 1 0 -1 -2 -3 -4 -40 9 8 7 6 5 4 3 2 1 0 0 20 40 60 80 Hpp (A/m) 100 120
Figure 3. Typical TK-range of resonance frequency
Figure 4. Typical H-DV curve
Output voltage of the testing application (see figure 6 and 7)
V1
Vmod
DV = V1-Vmod
Figure 5. Measurement of the modulation range DV
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TK5530
Measurement Assembly
All parameters are measured in a Helmholtz-arrangement, which generates a homogenous magnetic field (see figure 6 and 7). A function generator drives the field generating coils, so the magnetic field can be varied in frequency and field strength.
SENSING COILS ( IN PHASE ) SUBTRACTOR OUTPUT VOLTAGE AMPLIFIER 1:10 REFERENCE COIL ( IN PHASE ) REFERENCE COIL ( IN PHASE )
TK5530
FIELD GENERATING COILS ( IN PHASE )
FUNCTION GENERATOR
Figure 6. Testing application
l = 30 mm
Transponder
22 mm d = 60 mm
REFERENCE COIL SENSING COIL SENSING COIL
REFERENCE COIL
5 mm FIELD GENERATING COIL FIELD GENERATING COIL
16524
Figure 7. Testing geometry
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TK5530
IDIC (Reference Data Sheet e5530)
Memory size maximum Memory type Programming Data rate Encoding Modulation Maximum coil voltage (internally limited) Vpp (I = 5 mA) 128 Bit (details see "Coding") ROM Laser cutting RF/32 - RF/64 Manchester or Bi-phase AM 16 V
Coding
The memory of the TK5530 can be selected to be a 64- or 128-bit rolling code. In the non-standard version, the first 8 bits are a customer-specific pattern. This can be selected by the customer, provided that TEMIC Semiconductors agrees to the customer's proposal. This pattern is unique within the serial rolling code data stream. The ID code and further bit informations following the 8-bit header can also be defined within the customer's specification. The set-up of a suitable coding scheme can be provided on customer's request.
Read Distance
The maximum distance between the base station and the TK5530 mainly depends on the base station, the coil geometries and the modulation options chosen (see U2270B Antenna Design Hints and the U2270B data sheet). When generating an appropriate field with a suitable reader technique, a distance of 10 cm and more can be obtained. When using the TEMIC Semiconductors U2270B demo board, the typical distances in the range of 0 to 5 cm can be achieved. Maximum distance values which are generally valid can not be given in this data sheet. The exact measuring of the maximum distance should be carried out with the TK5530 being integrated into the specific application.
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TK5530
Ordering Information
Extended Type Number TK5530HM-232-PP TK5530HM-zzz-PP * Modul. Data Rate Config- Checkuration sum 64 bit Header ID Code fixed and unique code SPQ (Minimum Volume) 10 kpcs Minimum Order Volume >1 kpcs (per order, from stock) > 300 kpcs p.a.
Manch. RF/32
no checkE6 sum defined by customer
1) Definition of customized part number basing on orders for first year volume (300 kpcs) 2) Definition of header, ID code, checksum etc. according to customers data base 3) 8.000 US$ initial cost for metal mask 4) Lead time 5 month 5) Low volume customized application can be covered by TK5550F-PP programming, for identical application, as TK5530H-zzz-PP.
Ordering number for standard version:
TK5530HM-232-PP
Ordering number for customized version:
TK5530xy-zzz-PP
Plastic package Custom code Modulation M -> Manchester code B -> Biphase code Mask version of die
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TK5530
Application
110 kW 5V VBatt 47 nF 22 mF 680 pF Input 4.7 kW 1N4148 470 kW C31 Power Data COIL2 1.5 nF 1.2 nF 1.35 mH R Read/write circuit COIL1 DGND GND VSS 100 nF Micro controller DVS VEXT VS U2270B RF MS CFE OE Standby Output Gain BP00 BP01 BP02 BP03 BP10 5V VDD M44C260
osc IN 32 kHz
osc OUT
e5530 Transponder TK5530
fres +
1 + 125 kHz 2p LC
12635
Figure 8. Complete transponder system with the read/write base-station IC U2270B
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TK5530
Package Information
Dimensions in mm
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TK5530
Ozone Depleting Substances Policy Statement
It is the policy of TEMIC Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances (ODSs). The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. TEMIC Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency (EPA) in the USA 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively. TEMIC Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use TEMIC Semiconductors products for any unintended or unauthorized application, the buyer shall indemnify TEMIC Semiconductors against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. Data sheets can also be retrieved from the Internet: http://www.temic-semi.com
TEMIC Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 (0)7131 67 2594, Fax number: 49 (0)7131 67 2423
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