• - 交流-直流(AC-DC)控制器和稳压器
• - 直流-直流(DC-DC)控制器、转换器和稳压器
• - 电压和电流管理
• - 通讯IC
• - 驱动器
• - 热管理

• - 时钟及数据分配
• - 标准逻辑

• - 放大器和比较器
• - 模拟开关
• - 数字电位计
• - 接口
• - EMI和RFI滤波器

• - EEPROM存储器
• - 非易失性只读存储器(NVRAM)
• - SRAM存储器

说明

The TXS02326 is a complete dual-supply standby Smart Identity Module (SIM) card solution for interfacing wireless baseband processors with two individual SIM subscriber cards to store data for mobile handset applications. It is a custom device which is used to extend a single SIM/UICC interface to be able to support two SIMs/UICCs.

The device complies with ISO/IEC Smart-Card Interface requirements as well as GSM and 3G mobile standards. It includes a high-speed level translator capable of supporting Class-B (2.95 V) and Class-C (1.8 V) interfaces, two low-dropout (LDO) voltage regulators that have output voltages that are selectable between 2.95-V Class-B and 1.8-V Class-C interfaces, an integrated "fast-mode" 400 kb/s "slave" I2C control register interface for configuration purposes, a 32-kHz clock input for internal timing generation, a shutdown input and a comparator input detecting battery pack removal to safely power-down the two SIM cards, each equipped with two programmable debounce counter (i.

特性

• Level Translator
  • V_I/O Range of 1.7 V to 3.3 V
• Low-Dropout (LDO) Regulator
  • 50-mA LDO Regulator With Enable
  • 1.8-V or 2.95-V Selectable Output Voltage
  • 2.3-V to 5.5-V Input Voltage Range
  • Very Low Dropout: 100 mV (Max) at 50 mA
• Control and Communication Through I²C Interface With Baseband Processor
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-B)
  • 1000-V Charged-Device Model (C101)
• Package
  • 24-Pin QFN (4 mm × 4 mm)