TDA8023 Low power IC card interface Rev. 2.0 24 June 2016 Product data sheet 1. General description The TDA8023 is a complete cost-efficient, low-power analog interface for synchronous or asynchronous smart cards. It can be placed between the card and the microcontroller with very few external components to perform all supply, protection and control functions. 2. Features and benefits 2 I C-bus controlled IC card interface in TSSOP28 Supply voltage from 2.7 V to 6.5 V Independant supply voltage V for interface signals with the microcontroller DD(INTF) Shutdown input for very low power consumption when the part is not used Power reduction modes when the card is active DC-to-DC converter for V generation (capacitive doubler, tripler, or inductive, or CC follower automatically selected according to supply voltage and card voltage) 1 specific protected half duplex bidirectional buffered I/O line, with current limitation at 15 mA, maximum frequency 1 MHz 2 2 auxiliary card I/O lines controlled by I C-bus (C4 and C8) V regulation: 5 V, 3 V or 1.8 V 8%, I < 55 mA, current spikes of 40 nAs up to CC CC 20 MHz, with controlled rise and fall times, filtered overload detection approximately 80 mA, current limitation about 120 mA Thermal and short-circuit protections on all card contacts Automatic activation and deactivation sequences: initiated by software or by hardware in the event of a short-circuit, card take-off, overheating, V or V drop-out DD DD(DCDC) Enhanced ElectroStatic Discharge (ESD) protection on card side (> 6 kV) 20 MHz clock input Clock generation for the card up to 10 MHz (CLKIN divided by 1, 2, 4 or 5) with synchronous frequency changes stop HIGH or LOW or free running 1 MHz in cards Low-power mode current limitation on pin CLK (C3) RST signal (C2) with current limitation at 20 mA, controlled by an embedded programmable CLK pulse counter on asynchronous cards or by a register on synchronous cards ISO 7816-3, GSM 11.11 and EMVCo 4.3 compatibility Supply voltage supervisor for spike killing during power-on and emergency deactivation at power-off: threshold internally fixed or set via an external resistor bridge pulse width internally fixed or set via an external capacitor Card presence input with 10 ms built-in debouncing system One interrupt signal INTTDA8023 NXP Semiconductors Low power IC card interface 3. Applications Banking terminals Internet terminals Set-top boxes Portable IC card readers 4. Quick reference data Table 1. Quick reference data V = 3.3 V V = 1.5 V f = 10 MHz GND = 0 V T = 25 C unless otherwise specified. DD DD(INTF) CLKIN amb Symbol Parameter Conditions Min Typ Max Unit Supply V supply voltage on pin V 2.7 - 6.5 V DD DD V DC-to-DC converter on pin V 2.7 - 6.5 V DD(DCDC) DDP supply voltage V interface supply voltage on pin V 1.5 - 6.5 V DD(INTF) DDI 1 I supply current Shutdown mode -- 10 A DD 1 Inactive mode CLKIN LOW or HIGH -- 200 A 1 Active mode V =5V f =5MHz CC CLK capacitive I = 5 mA - - 15 mA CC capacitive I =55mA - - 200 mA CC inductive I =5mA - - 15 mA CC inductive I =55mA - - 150 mA CC 1 Power-down mode V =5 V I =100 A -- 2 mA CC CC CLK stopped CLKIN HIGH or LOW capacitive or inductive 2 Supply voltage for the card: pin V CC 3 V supply voltage Active mode 2.7 V < V < 6.5 V CC DD 5 V card I < 60 mA V = 5 V 4.75 5 5.25 V CC CC 3 V card I < 55 mA V = 3 V 2.80 3 3.15 V CC CC 1.8 V card I < 35 mA V = 1.8 V 1.66 1.8 1.94 V CC CC 3 Active mode AC current pulses with I < 200 mA, t < 400 ns and f < 20 MHz 5 V card current pulses of 40 nAs 4.65 - 5.35 V 3 V card current pulses of 24 nAs 2.76 - 3.24 V 1.8 V card current pulses of 15 nAs 1.62 - 1.98 V V peak-to-peak ripple on V 20 kHz to 200 MHz - - 350 mV ripple(p-p) CC voltage I supply current V > 2.7 V CC DD 5 V card V = 0 V to 5 V - - 55 mA CC 3 V card V = 0 V to 3 V - - 55 mA CC 1.8 V card V = 0 V to 1.8 V - - 35 mA CC TDA8023 All information provided in this document is subject to legal disclaimers. NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet Rev. 2.0 24 June 2016 2 of 33