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TCAL6416

AKTIV

16 Bit-Übersetzung von I²C-Bus/SMBus-E/A-Expander mit Interrupt, Reset und agiler E/A-Konfigurati

Produktdetails

Number of I/Os 16 Features 1-MHz maximum frequency, Adjustable I/O level, Configuration registers, Interrupt pin, Reset pin Addresses 2 Rating Catalog Frequency (max) (MHz) 1 Operating temperature range (°C) -40 to 125
Number of I/Os 16 Features 1-MHz maximum frequency, Adjustable I/O level, Configuration registers, Interrupt pin, Reset pin Addresses 2 Rating Catalog Frequency (max) (MHz) 1 Operating temperature range (°C) -40 to 125
WQFN (RTW) 24 16 mm² (4 mm × 4 mm) VSSOP (DGS) 24 29.89 mm² (6.1 mm × 4.9 mm) TSSOP (PW) 24 49.92 mm² (7.8 mm × 6.4 mm)
  • Operating power-supply voltage range of 1.08V to 3.6V
  • Allows bidirectional voltage-level translation and GPIO expansion between 1.2V, 1.8V, 2.5V, and 3.3V I2C bus and p-ports
  • Low standby current consumption of 1µA typical at 1.8V
  • 1MHz fast mode plus I2C bus
  • Hardware address pin allows two devices on the same I2C, SMBus bus
  • Active-low reset input (RESET )
  • Open-drain active-low interrupt output (INT )
  • Input or output configuration register
  • Polarity inversion register
  • Configurable I/O drive strength register
  • Pull-up and pull-down resistor configuration register
  • Internal power-on reset
  • Noise filter on SCL or SDA inputs
  • Latched outputs with high-current drive maximum capability for directly driving LEDs
  • Latch-up performance exceeds 100mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 4000V Human-body model (A114A)
    • 1000V Charged-device model (C101)
  • Operating power-supply voltage range of 1.08V to 3.6V
  • Allows bidirectional voltage-level translation and GPIO expansion between 1.2V, 1.8V, 2.5V, and 3.3V I2C bus and p-ports
  • Low standby current consumption of 1µA typical at 1.8V
  • 1MHz fast mode plus I2C bus
  • Hardware address pin allows two devices on the same I2C, SMBus bus
  • Active-low reset input (RESET )
  • Open-drain active-low interrupt output (INT )
  • Input or output configuration register
  • Polarity inversion register
  • Configurable I/O drive strength register
  • Pull-up and pull-down resistor configuration register
  • Internal power-on reset
  • Noise filter on SCL or SDA inputs
  • Latched outputs with high-current drive maximum capability for directly driving LEDs
  • Latch-up performance exceeds 100mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 4000V Human-body model (A114A)
    • 1000V Charged-device model (C101)

The TCAL6416 device provides general purpose parallel input/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 1.08V to 3.6V on the I2C bus side (VCCI) and a power supply voltage ranging from 1.08V to 3.6V on the P-port side (VCCP).

The device supports 100kHz (Standard-mode), 400kHz (Fast-mode), and 1MHz (fast-mode-plus) I2C clock frequencies. I/O expanders such as the TCAL6416 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, etc.

The TCAL6416 has Agile I/O ports which include additional features designed to enhance the I/O performance in terms of speed, power consumption and EMI. The additional features are: programmable output drive strength, programmable pull-up and pull-down resistors, latchable inputs, maskable interrupt, interrupt status register, and programmable open-drain or push-pull outputs.

The TCAL6416 device provides general purpose parallel input/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 1.08V to 3.6V on the I2C bus side (VCCI) and a power supply voltage ranging from 1.08V to 3.6V on the P-port side (VCCP).

The device supports 100kHz (Standard-mode), 400kHz (Fast-mode), and 1MHz (fast-mode-plus) I2C clock frequencies. I/O expanders such as the TCAL6416 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, etc.

The TCAL6416 has Agile I/O ports which include additional features designed to enhance the I/O performance in terms of speed, power consumption and EMI. The additional features are: programmable output drive strength, programmable pull-up and pull-down resistors, latchable inputs, maskable interrupt, interrupt status register, and programmable open-drain or push-pull outputs.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TCAL6416 16-Bit Translating I2 C-Bus, SMBus I/O Expander With Interrupt Output, Reset, and Agile I/O Configuration Registers datasheet (Rev. E) PDF | HTML 25.09.2025
Application brief Extending PLC and PAC Processor GPIO With Agile I2C IO Expansion PDF | HTML 04.02.2025
Anwendungshinweis Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03.07.2024
Anwendungshinweis Features of TCAL Agile I/O Expanders PDF | HTML 06.06.2023

Design und Entwicklung

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Evaluierungsplatine

IO-EXPANDER-EVM — IO-EXPANDER-EVM: I2C- und SMBus-E/A-Expander-Evaluierungsmodul

Mit dem E/A-Expander-Evaluierungsmodul (EVM) können Sie das TI-Portfolio von SMBus- und I2C-E/A-Expander-Leitungsbausteinen evaluieren. TCA6424A und TCA9539 sind beide auf der Platine installiert. Der 24-polige TSSOP-Footprint unterstützt auch TCA6408A, TCA6416A, TCA9534, TCA9534ATCA9535, TCA9538 (...)

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