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Name: LSF0204QPWRQ1
Brand: Texas Instruments
SKU: LSF0204QPWRQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LSF0204QPWRQ1

Part No.:: LSF0204QPWRQ1

Manufacturer:: Texas Instruments

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: LSF0204QPWRQ1.pdf

Description:: 4-BITS MULTI-VOLTAGE LEVEL TRANS

In Stock:: 2001

Quantity:: Add To Cart

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LSF0204QPWRQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
TranslatorType:
Voltage Level
ChannelType:
Bidirectional
NumberofCircuits:
1
ChannelsperCircuit:
4
Voltage-VCCA:
0.8 V ~ 4.5 V
Voltage-VCCB:
1.8 V ~ 5.5 V
InputSignal:
-
OutputSignal:
-
OutputType:
Open Drain, Push-Pull
DataRate:
100MBd
OperatingTemperature:
-40°C ~ 125°C (TA)
Features:
Auto-Direction Sensing
MountingType:
Surface Mount

LSF0204QPWRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LSF0204QPWRQ1 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LSF0204QPWRQ1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LSF0204QPWRQ1 information

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LSF0204QPWRQ1 Typical application Circuitry

LSF0204QPWRQ1

Texas Instruments offers a flexible, quad-channel bidirectional voltage-level translator called the LSF0204QPWRQ1, which is intended to help devices that run at various voltage levels communicate with each other. Its ability to automatically track the direction of data flow without the need for a direction control signal makes it ideal for applications requiring seamless integration of components with mismatched I/O voltage levels.

Application Scenario: Microcontroller Interface with Peripheral Devices

A common application for the LSF0204QPWRQ1 is in microcontroller-based systems where the microcontroller operates at one voltage level (e.g., 3.3V) and the peripheral devices operate at another voltage level (e.g., 5V). This scenario is typical in embedded systems, IoT devices, and automotive electronics where various sensors and communication modules need to interface with the main microcontroller.

Key Features

- Voltage Level Translation: The LSF0204QPWRQ1 supports bidirectional voltage translation between 0.8V and 5V without the need for a direction control signal.

- Multi-Channel Operation: It features four independent bidirectional channels, making it suitable for multiple signal translations in a single device.

- Automatic Direction Sensing: The device automatically senses the direction of the data flow, simplifying the circuit design.

- Low Standby Current: Designed for power-sensitive applications, it has a low standby current, contributing to overall power efficiency.

Circuit Design: Microcontroller to Peripheral Interface

Integrating the LSF0204QPWRQ1 into a system for interfacing a microcontroller with higher voltage peripheral devices involves detailed attention to pin connections:

1. Power Supply Connections: Connect the lower voltage supply (e.g., 3.3V) to the Vref_A pin and the higher voltage supply (e.g., 5V) to the Vref_B pin. These pins power the translation channels and set the voltage levels for each side.

2. Grounding: Ensure the GND pin is connected to the system's ground. Accurate level translation depends on a steady ground connection.

3. Input/Output Connections: Connect the microcontroller's I/O pins to the A1-A4 pins and the peripheral device's I/O pins to the corresponding B1-B4 pins. The LSF0204QPWRQ1 will automatically translate the voltage levels between these pins.

4. Enable Pin: The EN pin can be tied to the higher voltage supply (Vref_B) to keep the device always enabled, or it can be controlled by the microcontroller to selectively enable/disable the translation channels.

Design Considerations

- Bypass Capacitors: Place bypass capacitors close to the Vref_A and Vref_B pins to stabilize the voltage levels and filter out noise.

- Signal Integrity: Consider the layout to minimize the path length and avoid crosstalk between channels, ensuring signal integrity.

- Thermal Management: Although the LSF0204QPWRQ1 is designed for low power consumption, managing heat dissipation in high-frequency or high-density applications is essential.

- Pull-Up Resistors: Depending on the application, pull-up resistors may be required on the I/O lines to ensure proper logic levels when the channels are in a high-impedance state.

By employing the LSF0204QPWRQ1 in microcontroller interfaces, designers can effectively bridge the voltage gap between the core logic and peripheral devices, enhancing compatibility and functionality in multi-voltage systems. This feature emphasizes how important the LSF0204QPWRQ1 is to contemporary electronic designs.

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6. What is the process for return or replacement of LSF0204QPWRQ1?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LSF0204QPWRQ1 we delivered, we will accept the replacement or return of the LSF0204QPWRQ1 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LSF0204QPWRQ1.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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