Details, datasheet, quote on part number: OM5926
PartOM5926
Category
DescriptionOM5926HN; I2C-bus Sim Card Interface
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload OM5926 datasheet
  

 

Features, Applications

CONTENTS FEATURES APPLICATIONS GENERAL DESCRIPTION ORDERING INFORMATION QUICK REFERENCE DATA BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FUNCTIONAL DESCRIPTION I2C-bus control Power supply DC-to-DC converter Power-down mode Off mode Sequencer and clock counter Clock circuitry Protection I/O circuitry LIMITING VALUES HANDLING THERMAL CHARACTERISTICS APPLICATION INFORMATION PACKAGE OUTLINE SOLDERING Introduction to soldering surface mount packages Reflow soldering Wave soldering Manual soldering Suitability of surface mount IC packages for wave and reflow soldering methods DATA SHEET STATUS DEFINITIONS DISCLAIMERS PURCHASE OF PHILIPS I2C COMPONENTS

Subscriber Identification Module (SIM) card interface in accordance with GSM11.11, GSM11.12 (Global System for Mobile communication) and ISO 7816 requirements VCC regulation V 8%) with controlled rise and fall times One protected and buffered pseudo-bidirectional I/O line (I/O referenced to VCC and SIMI/O referenced to VDDI) Clock generation (up to 10 MHz) with synchronous start and frequency quadrupling Clock stop LOW, clock stop HIGH or 1.25 MHz (from internal oscillator) for cards Power-down mode Automatic activation and deactivation sequences of an independent sequencer Automatic processing of pin RST with the counting of the 41928 CLK cycles for the beginning of the Answer-To-Reset (ATR) Warm reset command Supply voltage supervisor for power-on reset, spike killing and emergency deactivation in case of supply drop-out DC-to-DC converter (doubler, tripler or follower) allowing operation 5 V environment (2.5 VDD 6 V) Enhanced Electrostatic Discharge (ESD) protection on card side (6 kV minimum) Power-down mode with several active features and current reduction 4 ORDERING INFORMATION TYPE NUMBER OM5926HN PACKAGE NAME HVQFN20 DESCRIPTION plastic, heatsink very thin quad flat package; no leads; 20 terminals; body mm VERSION SOT662-1 Off mode with 5 A current Control from a microcontroller via a 400 kHz slave I2C-bus (address 48H) Interface signals supplied by an independent voltage (1.5 VDDI 6 V). 2 APPLICATIONS

The is a low cost one chip SIM interface, in accordance with GSM11.11, GSM11.12 with card current limitation. Controlled by the it is optimized in terms of board space, external components count and connection count (see Chapter 13). Due to the integrated DC-to-DC converter, the device ensures full cross-compatibility between 5 V cards and 5 V environments. The very low power consumption in Power-down mode and Off mode saves battery power.


 

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