NVT4556UK Demo board w/ I2C Control

OM13485UL

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The OM13485UL is the demo board for the NVT4556UK device with I2C control. The NVT4556 device is built for interfacing a SIM card with a single low-voltage host-side interface. The NVT4556 contains an LDO that can deliver two different voltages, 1.8 V or 3 V, from a typical mobile phone battery voltage, and three level translators to convert the data, RSTn and CLKn signals between a SIM card and a host microcontroller.

Product Details

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Supported Devices

Peripherals and Logic

Voltage Level Translators

  • NVT4556: SIM Card Interface Level Translator with I²C-Bus Control and LDO

Features

Connectivity

  • VCC input pin provides both host supply voltage and logic level hardware enable/disable pin: source through Host GPIO (ICC < 100 μA)
  • I2C-bus interface for device enable and LDO voltage selection

Power Management

  • Input voltage range to LDO: 2.5 V to 5.25 V
  • Host microcontroller operating voltage range: 1.55 V to 3.6 V
  • Support SIM card supply voltages 1.8 V and 3 V
  • Low current shutdown mode 3 μA
  • 8 kV IEC61000-4-2 ESD protected on all SIM card contact pins

Support

  • Supports clock speed beyond 5 MHz clock
  • Supports CLK stop mode

User Components

  • RST_HOST/EN pin can be programmed as a reset pin or as a device enable/disable pin
  • Level translation of I/O, RSTn, and CLKn between SIM card and host-side interface with capacitive isolation
  • Incorporates ISO-7816-3 shutdown feature for the SIM card signals
  • ETSI, IMT2000, and ISO-7816 compliant
  • Integrated EMI filters

Buy Options

  • OM13485

  • NVT4556UK Demo board w/ I2C Control.

  • $140.27 USD
  • For a quantity of 1
    • Availability: Pending stock
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Design Resources

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