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TI TCA9538PWR
I/O Expander 8 I2C 400 kHz 16-TSSOP
Brands: TI
Mfr.Part #: TCA9538PWR
Datasheet: TCA9538PWR Datasheet (PDF)
Package/Case: TSSOP-16
Product Type: I_O Expanders
RoHS Status:
Stock Condition: 4582 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomTCA9538PWR General Description
The TCA9538 is a 16-pin device that provides 8 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol. The device can operate with a power supply voltage ranging from 1.65 V to 5.5 V. The device supports both 100-kHz (Standard-mode) and 400-kHz (Fast-mode) clock frequencies. I/O expanders such as the TCA9538 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, etc.
The features of the TCA9538 include an interrupt that is generated on the INT pin whenever an input port changes state. The A0 and A1 hardware selectable address pins allow up to four TCA9538 devices on the same I2C bus. The device can also be reset to its default sate by using the RESET feature or by cycling the power supply and causing a power-on reset.
Features
- Low Standby Current Consumption
- I2C to Parallel Port Expander
- Open-Drain Active-Low Interrupt Output
- Active-Low Reset Input
- Operating Power-Supply Voltage Range of 1.65 V to 5.5 V
- 5-V Tolerant I/O Ports
- 400-kHz Fast I2C Bus
- Two Hardware Address Pins Allow up to Four Devices on the I2C/SMBus
- Input and Output Configuration Register
- Polarity Inversion Register
- Power-Up With All Channels Configured as Inputs
- No Glitch on Power Up
- Noise Filter on SCL/SDA Inputs
- Latched Outputs With High-Current Drive Maximum Capability for Directly Driving LEDs
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of I/Os | 8 | Features | Configuration registers, Interrupt pin, Reset pin |
| Supply voltage (min) (V) | 1.65 | Supply voltage (max) (V) | 5.5 |
| Addresses | 4 | Rating | Catalog |
| Frequency (max) (MHz) | 0.4 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The TCA9538PWR is an 8-bit I/O expander with I2C interface, providing remote I/O expansion for most microcontroller families via the I2C interface. It features a hardware address pin, allowing multiple devices to share the same I2C bus. It's commonly used in applications requiring additional I/Os, such as LED dimming, keypad scanning, and monitoring.
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Equivalent
Some equivalent products of TCA9538PWR chip are PCA9538PWR, MCP23008, and MAX6958. These chips are also I2C compatible 8-bit I/O expander chips that provide additional input/output pins for microcontrollers or other devices. -
Features
TCA9538PWR is an 8-bit I2C and SMBus I/O expander with interrupt capabilities, 25mA output drive capability per channel, low standby current consumption, and programmable interrupt polarity. It also has open-drain active-low outputs and 5V tolerant GPIO. -
Pinout
The TCA9538PWR is an 8-bit I2C I/O expander with 8 pins. It features an I2C interface for communication and can operate as either an input or output port. It provides digital I/O expansion for microcontrollers without sufficient I/O ports. -
Manufacturer
The TCA9538PWR is manufactured by Texas Instruments (TI), a leading semiconductor company. TI specializes in designing and producing a wide range of analog and digital chips for various applications, including consumer electronics, industrial automation, automotive, and more. -
Application Field
The TCA9538PWR is commonly used in applications that require GPIO expansion, such as industrial control systems, home automation, and LED lighting control. It is also suitable for computer peripherals, telecommunications equipment, and test and measurement instruments where additional I/O ports are needed. -
Package
The TCA9538PWR chip is available in a TSSOP package type, with a 16-pin configuration. Its dimensions typically measure around 5mm x 4.4mm x 0.9mm.
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