Overview
The NCN8024DTBR2G, produced by onsemi, is a single smart card interface IC designed for 3.0 V/5.0 V smart card reader/writer applications. This device is fully compatible with ISO 7816-3 and EMV standards, as well as with standards specifying conditional access in Set-Top-Box (STB) including NDS. It offers a comprehensive set of features to ensure reliable and efficient smart card operations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range (VDD) | 2.7 to 5.5 | V |
| Card Power Supply Voltage (CRD_VCC) | 3.0 V or 5.0 V ± 5% | V |
| Card Power Supply Current (ICC) | ≤ 75 mA at 3.3 V | mA |
| Clock Frequency | Up to 18 MHz | MHz |
| ESD Protection (Human Body Model) | Up to 8 kV+ | kV |
| Package Type | TSSOP-28 | |
| Operating Ambient Temperature Range | -40 to +85 | °C |
| Storage Temperature Range | -65 to +150 | °C |
Key Features
- Single IC Card Interface
- Fully compatible with ISO 7816-3, EMV, and related standards including NDS
- Three bidirectional buffered I/O level shifters (C4, C7, and C8 card pins)
- Independent power supply range on controller interface (2.7 V < VDD < 5.5 V)
- Handles 3.0 V and 5.0 V smart cards
- Thermal and short circuit protection on all card pins
- Supports up to 18 MHz clock with internal division ratio 1/1, 1/2, 1/4, and 1/8
- Interrupt signal INT for card presence and faults
- External undervoltage lockout threshold adjustment on VDD (PORADJ pin)
- Fault protection mechanisms enabling automatic device deactivation in case of overload, overheating, card take-off, or power supply drop-out
Applications
- Set-Top Boxes for Conditional Access & Pay-TV
- Conditional Access Modules (CAM)
- Point of Sale (POS) and Automated Teller Machines (ATM)
- Access Control and Identification Systems
Q & A
- What is the operating voltage range of the NCN8024DTBR2G?
The operating voltage range of the NCN8024DTBR2G is 2.7 V to 5.5 V.
- What are the supported smart card voltages?
The device supports both 3.0 V and 5.0 V smart cards.
- What is the maximum clock frequency supported by the NCN8024DTBR2G?
The device supports up to 18 MHz clock frequency.
- What type of ESD protection does the NCN8024DTBR2G offer?
The device offers ESD protection up to 8 kV+ (Human Body Model) on card pins.
- What are the package options available for the NCN8024DTBR2G?
The device is available in TSSOP-28 package.
- How does the NCN8024DTBR2G handle thermal and short circuit protection?
The device features thermal and short circuit protection on all card pins.
- What is the purpose of the PORADJ pin in the NCN8024DTBR2G?
The PORADJ pin allows for the adjustment of the undervoltage lockout threshold on VDD.
- What are some typical applications of the NCN8024DTBR2G?
Typical applications include Set-Top Boxes, Conditional Access Modules, POS/ATM, and Access Control systems.
- How does the NCN8024DTBR2G handle card presence detection?
The device includes a card presence pin (CRD_PRES) with a built-in debounce timer.
- What is the operating ambient temperature range of the NCN8024DTBR2G?
The operating ambient temperature range is -40°C to +85°C.
