Application Note (6)
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TDA8035 Smart Card Reader[AN10997]
Design Files
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High-Integrated and Low-Power Smart Card Interface
The TDA8035 is the cost efficient successor of the established integrated contact smart card reader IC TDA8024. It offers a high level of security for the card by performing current limitation, short-circuit detection, ESD protection as well as supply supervision. The current consumption during the standby mode of the contact reader is very low as it operates in the 3 V supply domain. The TDA8035 is therefore the ideal component for a power efficient contact reader.
Product Details
Features
Protection of the contact smart card
- Thermal and short-circuit protection on all card contacts
- VCC regulation:
- 5 V, 3 V, 1.8 V ± 5 % on 2 × 220 nF multilayer ceramic capacitors with low ESR
- current spikes of 40 nA/s (VCC = 5 V and 3 V) or 15 nA/s (VCC = 1.8 V) up to 20 MHz, with controlled rise and fall times, filtered overload detection is approximately 120 mA
- Automatic activation and deactivation sequences initiated by software or by hardware in the event of a short-circuit, card take-off, overheating, falling VREG VDD(INTF),VDDP
- Enhanced card-side ElectroStatic Discharge (ESD) protection of (> 8 kV)
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Supply supervisor for killing spikes during power on and off:
- threshold internally fixed
- externally by a resistor bridge
Easy integration into your contact reader
- SW compatible to TDA8024 and TDA8034
- 5 V, 3 V, 1.8 V smart card supply
- DC-to-DC converter for VCC generation separately powered from 2.7 V to 5.5 V supply (VDDP and GNDP)
- Very low power consumption in Deep Shutdown mode
- Three protected half-duplex bidirectional buffered I/O lines (C4, C7 and C8)
- External clock input up to 26 MHz
- Card clock generation up to 20 MHz using pins CLKDIV1 and CLKDIV2 with synchronous frequency changes of fXTAL, fXTAL/2, fXTAL/4, fXTAL/8
- Non-inverted control of pin RST using pin RSTIN
- Built-in debouncing on card presence contact
- Multiplexed status signal using pin OFFN
- Chip Select digital input for parallel operation of several TDA8035 ICs.
Other
- HVQFN32 package
- Compliant with ISO 7816, NDS and EMV 4.3 (*) payment systems
- (*) for C2 version
Target Applications
- Pay TV
- Electronic payment
- Identification
- IC card readers for banking
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Documentation
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9 documents
Compact List
9 documents
Compact List
Application Note (6)
-
TDA8035 Smart Card Reader[AN10997]
Data Sheet (1)
Package Information (1)
User Guide (1)
Design Resources
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Independent Design House (IDH)
Cryptography
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