TCA9535PWR
I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP T/R
| Quantity | Unit Price(USD) | Ext. Price |
|---|---|---|
| 1000 | $0.254 | $254.00 |
| 500 | $0.266 | $133.00 |
| 100 | $0.304 | $30.40 |
| 30 | $0.346 | $10.38 |
| 10 | $0.389 | $3.89 |
| 1 | $0.473 | $0.47 |
Inventory:7,879
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Part Number : TCA9535PWR
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Package/Case : TSSOP-24
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Manufacturer : Texas Instruments
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Components Classification : I/O Expanders
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Datesheet : TCA9535PWR DataSheet (PDF)
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Series : TCA9535
Overview of TCA9535PWR
The TCA9535PWR is an 8-bit I2C I/O expander with interrupt output and configuration registers. This IC provides additional I/O ports controlled through the I2C interface, offering flexibility and expandability for various applications.
Pinout
(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)
- Pin 1: SCL (I2C Serial Clock)
- Pin 2: SDA (I2C Serial Data)
- Pin 3: A0 (I2C Slave Address Bit 0)
- Pin 4: A1 (I2C Slave Address Bit 1)
- Pin 5: A2 (I2C Slave Address Bit 2)
- Pin 6: INT (Interrupt Output)
- Pin 7: GND (Ground)
- Pin 8: P0 (GPIO Pin 0)
- Pin 9: P1 (GPIO Pin 1)
- Pin 10: P2 (GPIO Pin 2)
- Pin 11: P3 (GPIO Pin 3)
- Pin 12: P4 (GPIO Pin 4)
- Pin 13: P5 (GPIO Pin 5)
- Pin 14: P6 (GPIO Pin 6)
- Pin 15: P7 (GPIO Pin 7)
- Pin 16: VCC (Power Supply Voltage)
Circuit Diagram
Incorporate a circuit diagram that illustrates the connections and operation of the TCA9535PWR IC for a more visual representation.
Key Features
- 8-Bit I/O Expander: The TCA9535PWR provides 8 additional I/O pins that can be configured as inputs or outputs, expanding the I/O capabilities of microcontrollers.
- I2C Interface: This IC communicates with the host microcontroller via the I2C interface, allowing for easy integration into existing systems.
- Interrupt Output: The TCA9535PWR includes an interrupt output pin that can be configured to alert the host microcontroller of GPIO pin changes, reducing the need for constant polling.
- Configuration Registers: This IC features configuration registers that allow for individual pin configuration, providing flexibility in I/O pin usage.
- Low Standby Current: The TCA9535PWR has a low standby current consumption, making it suitable for battery-powered applications.
Note: For detailed technical specifications, please refer to the TCA9535PWR datasheet.
Application
- Keypad Interfacing: The TCA9535PWR can be used for interfacing with keypads, providing additional GPIO pins for scanning keypad matrix configurations.
- LED Control: This IC is suitable for controlling LEDs, allowing for dynamic control of LED displays using minimal GPIO pins.
- Industrial Control Systems: The TCA9535PWR is ideal for use in industrial control systems, providing additional digital inputs and outputs for controlling various industrial devices.
Functionality
The TCA9535PWR is an I2C I/O expander that provides additional GPIO pins controlled through the I2C interface. Its interrupt capabilities and configuration registers make it a versatile solution for various applications requiring additional digital I/O.
Usage Guide
- I2C Addressing: Set the I2C slave address by connecting the A0, A1, and A2 pins to VCC or GND to configure the device's address.
- GPIO Configuration: Configure each GPIO pin as an input or output by writing to the corresponding configuration register bits using the I2C interface.
- Interrupt Configuration: Enable or disable interrupts on the INT pin by configuring the interrupt enable register using the I2C interface.
Frequently Asked Questions
Q: What is the maximum I2C clock frequency supported by the TCA9535PWR?
A: The TCA9535PWR supports I2C clock frequencies up to 400kHz, allowing for fast data transfer rates between the IC and the host microcontroller.
Q: Can the TCA9535PWR be used with 3.3V microcontrollers?
A: Yes, the TCA9535PWR is compatible with both 3.3V and 5V microcontrollers, providing flexibility in system design and compatibility.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Status | Active | Programmabe | Not Verified |
| Number of I/O | 16 | Interface | I²C, SMBus |
| Interrupt Output | With Interrupt | Features | Configuration Registers, Interrupt Pin |
| 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 / Case | TSSOP-24 | Supplier Device Package | 24-TSSOP |
| Base Product Number | TCA9535 | Manufacturer | Texas Instruments |
| Product Category | Interface - I/O Expanders | RoHS | Details |
| Series | TCA9535 | Mounting Style | SMD/SMT |
| Interface Type | I2C, Serial, SMBus | Number of I/Os | 16 I/O |
| Supply Voltage - Min | 1.65 V | Supply Voltage - Max | 5.5 V |
| Maximum Clock Frequency | 400 kHz | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C | ESD Protection | 2 kV |
| Brand | Texas Instruments | Logic Family | TCA9535 |
| Operating Supply Voltage | 1.65 V to 5.5 V | Product Type | I/O Expanders |
| Factory Pack Quantity | 2000 | Subcategory | Interface ICs |
| Unit Weight | 0.008818 oz |
Equivalent Parts
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
TCA9535PWR Equivalent Parts
For the TCA9535PWR component, you may consider these replacement and alterative parts.
| Models | Manufacturer | Package/Case | Description |
|---|---|---|---|
| PCA9555 | NXP Semiconductors | TSSOP-24 | An 16-bit I2C I/O expander with similar features but more GPIO pins. |
| MCP23017 | Microchip Technology | PDIP, SOIC, TSSOP, QFN, SSOP | Another I2C-based I/O expander offering similar functionality for expanding the I/O capabilities of microcontrollers. |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.
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TCA9535PWR
I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP T/R
Inventory:
7,879
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
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Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.
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