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TCA6416AZQSR
+NomenclatureIC XPNDR 400KHZ I2C SMBUS 24BGA
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FabricantTexas Instruments
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Pièce fabricant #TCA6416AZQSR
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Fiche technique TCA6416AZQSR DataSheet
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En stock5987
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Base Product Number | TCA641 |
| DigiKey Programmable | Not Verified |
| Number of I/O | 16 |
| Interface | I2C, SMBus |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 10mA, 25mA |
| Clock Frequency | 400 kHz |
| Voltage - Supply | 1.65V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package | 24-VFBGA |
| Supplier Device Package | 24-BGA MICROSTAR JUNIOR (3x3) |
| Packaging | Tape & Reel (TR) |
Présentation
Description
The TCA6416AZQSR communicates via the I2C bus, enabling multiple devices to be connected through a two-wire interface. It features programmable input and output configurations, allowing developers to tailor pin functions as needed. The device includes interrupt capabilities, which signal the host when an input state changes, enhancing responsiveness in applications.
It also incorporates a built-in pull-up resistor for each input pin, simplifying circuit design. The TCA6416AZQSR is housed in a small QFN package, making it ideal for space-constrained designs. Overall, it is a versatile solution for increasing GPIO availability in embedded systems.
Equivalent
Features
1. 16-Bit GPIO Ports: Provides 16 general-purpose input/output pins configurable as inputs or outputs.
2. I2C Interface: Supports standard and fast I2C modes, enabling easy communication with microcontrollers.
3. Multiple Device Support: Up to eight TCA6416A devices can be connected on the same I2C bus, allowing for expanded GPIO capabilities.
4. Interrupt Output: Provides an interrupt output to signal the host when any input state changes, enhancing responsiveness.
5. Configurable Pull-Up Resistors: Enables internal pull-up resistors for inputs, simplifying circuit design.
6. Wide Voltage Range: Operates from 1.65V to 5.5V, making it suitable for various applications.
7. Low Power Consumption: Designed for low power usage, making it ideal for battery-operated devices.
8. Package Options: Available in a QFN package, facilitating compact designs.
These features make the TCA6416AZQSR suitable for various applications, including embedded systems, consumer electronics, and industrial controls.
Pinout
Pin Functions:
1. VCC: Power supply pin.
2. GND: Ground reference.
3. SDA: Serial Data Line for I2C communication.
4. SCL: Serial Clock Line for I2C communication.
5. A0, A1, A2: Address selection pins that set the I2C address.
6. INT: Interrupt output pin that signals when an input state change occurs.
7. P0-P15: 16 general-purpose I/O pins that can be configured as either inputs or outputs.
The TCA6416A allows for the expansion of GPIO capabilities in microcontrollers and is commonly used in applications that require additional I/O for sensors, switches, or LEDs.
Manufacturer
Application
1. Microcontroller Expansion: Increases GPIO availability for MCUs with limited pins.
2. Home Automation: Controls sensors, lights, and other devices in smart home systems.
3. Industrial Automation: Interfaces with machinery, sensors, and controls in factory settings.
4. Consumer Electronics: Enhances button inputs and LED outputs in devices like remotes and appliances.
5. Robotics: Facilitates connections for motors, sensors, and actuators.
Its versatility makes it suitable for various embedded systems requiring additional I/O capabilities.
Package
Frequently Asked Questions
Q: What is the operating voltage range of the TCA6416AZQSR?
A: The device supports a supply voltage range from 1.65V to 5.5V, enabling compatibility with both low-voltage and standard logic systems.
Q: How many I/O pins does this IC provide, and what is the output type?
A: It offers 16 I/O pins with a push-pull output configuration, suitable for direct drive without external pull-up resistors.
Q: Does the TCA6416AZQSR support an interrupt output for status changes?
A: Yes, it features a dedicated interrupt output pin that signals the host when an input port changes state, ideal for event-driven applications.
Q: What interface protocols does this component support?
A: It communicates via I2C and SMBus serial interfaces, with a maximum clock frequency of 400 kHz for fast data transfer.
Q: What is the typical current sink/source capability per I/O pin?
A: Each I/O pin can source 10mA or sink 25mA, allowing direct driving of LEDs or small loads without additional buffers.
Q: Does this part include built-in Power-On Reset (POR) functionality?
A: Yes, it integrates a POR feature to ensure the registers reset to known states during power-up, enhancing system reliability.
Q: Is this component available for new designs, and what is the package type?
A: The part is marked as Obsolete in the lifecycle; it is housed in a 24-VFBGA package (MICROSTAR JUNIOR 3x3mm) for compact surface-mount designs.
