TXS4558
FEATURES
- 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-m A LDO Regulator With Enable
- 1.8-V or 2.95-V Selectable Output Voltage
- Very Low Dropout: 100 m V (Max) at 50 m A
- Control and munication Through GPIO Interface with Baseband Processor
- Isolated Clock Stop Mode for both SIM1 and SIM2 cards
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-B)
- 500-V Charged-Device Model (C101)
- 8k V HBM for SIM pins
- Package
- 20-Pin QFN (3 mm x 3 mm)
RUK PACKAGE (TOP VIEW)
20 SIM2_CLK 19 SIM2_RST 18 SIM2_I/O 17 EN2 16 VSEL2
VSIM2 1
VCC 2 VBATT 3 VSIM1 4 SIM1_CLK 5
15 CLKRUN2 14 CLKRUN1 13 CSEL 12 VSEL1 11 En1
SIM1_RST 6 SIM1_I/O 7 I/O 8 RST 9 CLK 10
NOTE: Exposed center thermal pad must be electrically connected to Ground.
DESCRIPTION
The TXS4558 is a plete dual-supply standby Smart Identity Module (SIM) card solution for interfacing wireless baseband processors with two individual SIM subscriber...
