Overview
The TXS02612RTWR, produced by Texas Instruments, is a sophisticated SDIO port expander with integrated voltage-level translation. This device is designed to interface the cell phone baseband with external SDIO peripherals, enabling a single SDIO port to be connected to two SDIO peripherals. It features a 6-channel SPDT switch, which allows for flexible and efficient communication between different components operating at various voltage levels.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | WQFN (24 pins) |
| Mounting Type | Surface Mount |
| Dimensions | 4.15 x 4.15 x 0.75 mm |
| Operating Temperature Range | -40°C to +85°C |
| Supply Voltage Range | 1.1 V to 3.6 V |
| Number of Channels | 6 |
| ESD Performance | 2000-V Human-Body Model, 100-V Machine Model, 1500-V Charged-Device Model, ±8-kV Contact Discharge IEC 61000-4-2 |
Key Features
- 6-to-12 demultiplexer/multiplexer allows SDIO port expansion
- Built-in level translator eliminates voltage mismatch between baseband and SD card or SDIO peripheral
- VCCA, VCCB0, and VCCB1 each operate over the full 1.1-V to 3.6-V range
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- Robust ESD performance: 2000-V Human-Body Model, 100-V Machine Model, 1500-V Charged-Device Model, ±8-kV Contact Discharge IEC 61000-4-2
Applications
The TXS02612RTWR is primarily used in mobile devices to expand the SDIO port capabilities, allowing a single SDIO port to interface with multiple SDIO peripherals. It is particularly useful in cell phones and other handheld devices where space and power efficiency are critical. Additionally, it can be used in other applications requiring voltage-level translation and multiplexing/demultiplexing functions.
Q & A
- What is the primary function of the TXS02612RTWR?
The primary function of the TXS02612RTWR is to act as an SDIO port expander with integrated voltage-level translation, allowing a single SDIO port to interface with two SDIO peripherals. - What is the operating temperature range of the TXS02612RTWR?
The operating temperature range is -40°C to +85°C. - What is the supply voltage range for the TXS02612RTWR?
The supply voltage range is 1.1 V to 3.6 V. - How many channels does the TXS02612RTWR have?
The device has 6 channels. - What is the ESD performance of the TXS02612RTWR?
The ESD performance includes 2000-V Human-Body Model, 100-V Machine Model, 1500-V Charged-Device Model, and ±8-kV Contact Discharge IEC 61000-4-2. - What type of package does the TXS02612RTWR come in?
The device comes in a 24-pin WQFN package. - What is the mounting type of the TXS02612RTWR?
The mounting type is Surface Mount. - What are the dimensions of the TXS02612RTWR?
The dimensions are 4.15 x 4.15 x 0.75 mm. - Does the TXS02612RTWR have built-in level translation?
Yes, it has a built-in level translator that eliminates voltage mismatch between the baseband and SD card or SDIO peripheral. - What is the latch-up performance of the TXS02612RTWR?
The latch-up performance exceeds 100 mA per JESD 78, Class II.
