Overview
The NCN8025MTTBG, produced by onsemi, is a compact and cost-effective single smart card interface IC. It is designed for 1.8 V, 3.0 V, and 5.0 V smart card reader/writer applications, making it highly versatile for various smart card-based systems. The device is fully compatible with ISO 7816-3, EMV 4.3, UICC, and other related standards, including NDS and STB standards such as Nagravision and Irdeto. This IC is available in two package formats: QFN-24 (NCN8025A) and QFN-16 (NCN8025), catering to different space and cost requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Regulator Power Supply Voltage (VDDP) | -0.3 | - | 5.5 | V |
| Power Supply from Microcontroller Side (VDD) | -0.3 | - | 5.5 | V |
| External Card Power Supply (CVCC) | -0.3 | - | 5.5 | V |
| Operating Ambient Temperature Range (TA) | -40 | - | 85 | °C |
| Operating Junction Temperature Range (TJ) | -40 | - | 125 | °C |
| Maximum Junction Temperature (TJmax) | - | - | 125 | °C |
| Storage Temperature Range (Tstg) | -65 | - | 150 | °C |
| ESD Protection (Human Body Model) | - | - | 8 kV | - |
| Clock Frequency (FCLKIN) | - | - | 27 MHz | - |
Key Features
- Single IC Card Interface for smart card reader/writer applications.
- Fully compatible with ISO 7816-3, EMV 4.3, UICC, and related standards.
- Supports 1.8 V, 3.0 V, and 5.0 V regulated card power supply.
- Handles Class A, B, and C smart cards.
- Short Circuit Protection on all card pins.
- ESD Protection on card pins up to +8 kV (Human Body Model).
- Activation / Deactivation Sequences (ISO7816 Sequencer).
- Fault Protection Mechanisms including Overload, Overheating, Card Take-off, and Power Supply Drop-out.
- Interrupt Signal INT for Card Presence and Faults.
- External Under-Voltage Lockout Threshold Adjustment on VDD (PORADJ Pin) for QFN-24 package.
- Available in QFN-24 and QFN-16 package formats.
Applications
- Pay TV, Set Top Box Decoder with Conditional Access and Pay-per-View.
- Conditional Access Module (CAM / CAS).
- SIM card interface applications (UICC / USIM).
- Point Of Sales and Transaction Terminals.
- Electronic Payment and Identification Systems.
Q & A
- What are the supported voltage levels for the NCN8025MTTBG?
The NCN8025MTTBG supports 1.8 V, 3.0 V, and 5.0 V regulated card power supply.
- What standards is the NCN8025MTTBG compatible with?
The device is fully compatible with ISO 7816-3, EMV 4.3, UICC, and related standards including NDS and other STB standards.
- What types of smart cards does the NCN8025MTTBG support?
The device handles Class A, B, and C smart cards.
- What is the maximum clock frequency supported by the NCN8025MTTBG?
The maximum clock frequency supported is up to 27 MHz.
- Does the NCN8025MTTBG have ESD protection?
Yes, it has ESD protection on card pins up to +8 kV (Human Body Model).
- What are the package options available for the NCN8025MTTBG?
The device is available in QFN-24 and QFN-16 package formats.
- What is the purpose of the PORADJ pin in the QFN-24 package?
The PORADJ pin is used to modify the Under-Voltage Lockout (UVLO) threshold according to an external resistor divider.
- What fault protection mechanisms are included in the NCN8025MTTBG?
The device includes fault protection mechanisms for overload, overheating, card take-off, and power supply drop-out.
- How does the NCN8025MTTBG handle card presence detection?
The device has a built-in debounce timer for card presence detection and provides an interrupt signal INT for card presence and faults.
- What are some typical applications of the NCN8025MTTBG?
Typical applications include Pay TV, Set Top Box Decoder, Conditional Access Module, SIM card interface applications, and Point Of Sales and Transaction Terminals.
