TXS4558 Datasheet Dual-sim-card Powersupply

Manufacturer: Texas Instruments

Overview: TXS4558 www.ti.com SLLSE93A – SEPTEMBER 2011 – REVISED SEPTEMBER 2011 Dual-SIM Card Power Supply with Level Translator and Dedicated Dual LDO Check for Samples:.

Datasheet Details

Part number	TXS4558
Manufacturer	Texas Instruments
File Size	952.73 KB
Description	Dual-SIM-Card PowerSupply
Datasheet	TXS4558-etcTI.pdf

General Description

The TXS4558 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 SIM’s/UICC’s.

The device complies with ISO/IEC Smart-Card Interface requirements as well as GSM and 3G mobile standards.

Key Features

1.
Level Translator.
VCC Range of 1.65 V to 3.3 V.
VBATT Range of 2.3V to 5.5V.
Low-Dropout (LDO) Regulator.
50-mA LDO Regulator With Enable.
1.8-V or 2.95-V Selectable Output Voltage.
Very Low Dropout: 100 mV (Max) at 50 mA.
Control and Communication Through GPIO Interface with Baseband Processor.
Isolated Clock Stop Mode for both SIM1 and SIM2 cards.
ESD Protection Exceeds JESD 22.
2000-V Human-B.

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