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TIOL221
  • TIOL221
  • TIOL221
  • TIOL221

TIOL221

ACTIVE

Dual-channel IO-Link device physical layer with integrated LDO regulator and SPI

Texas Instruments TIOL221 Product Info

1 April 2026 2

Parameters

Type

IO-Link

Supply voltage (V)

7 to 36

IEC 61000-4-2 contact (±V)

8000

IEC 61000-4-4 EFT (±V)

4000

IEC 61000-4-5 (surge) (±V)

1200

Current limit (max) (A)

0.35

LDO output range (V)

3.3, 5

Features

Configurable current limiter, Dual Channel, Low residual voltage, Remote wakeup, Reverse polarity protection

Operating temperature range (°C)

-40 to 125

Package

DSBGA (YAH)-25-6.25 mm² 2.5 x 2.5

Features

  • 7V to 36V supply voltage
  • IO-link configurable CQ output with auxiliary digital output (DO) and digital input (DI) channels
  • Configurable by pin-control or SPI
  • Both CQ and DO channels configurable for use in IO-link main modules
  • PNP, NPN or IO-Link configurable CQ output
    • IEC 61131-9 COM1, COM2 and COM3 Data Rate Support
    • Supports extended cable length to ≥60 meters
  • Output drivers with low power dissipation and high configurability
    • Low RDSON 2.5Ω (typical)
    • Active driver current limiting capability
    • Configurable driver overcurrent limit:50mA to 500mA
    • Active reverse polarity protection of up to 65V on LP, CQ, DO and DI
    • Safe and fast demagnetization of inductive loads
  • Integrated protection features for robust systems
    • Fault indicator for overcurrent, overtemperature and UVLO faults
    • Extended ambient temperature operation:–40°C to 125°C
    • ±8kV IEC 61000-4-2 ESD contact discharge
    • ±4kV IEC 61000-4-4 electrical fast transient
    • ±1.2kV, 500Ω IEC 61000-4-5 surge
  • Large capacitive and inductive load driving capability
  • Integrated LDO provides up to 20mA current
  • Optional external regulator input (5V) to reduce internal power dissipation in the LDO
  • Small space-saving package options
    • 4mm × 4mm VQFN package
    • 2.7mm × 2.7mm DSBGA package
  • 7V to 36V supply voltage
  • IO-link configurable CQ output with auxiliary digital output (DO) and digital input (DI) channels
  • Configurable by pin-control or SPI
  • Both CQ and DO channels configurable for use in IO-link main modules
  • PNP, NPN or IO-Link configurable CQ output
    • IEC 61131-9 COM1, COM2 and COM3 Data Rate Support
    • Supports extended cable length to ≥60 meters
  • Output drivers with low power dissipation and high configurability
    • Low RDSON 2.5Ω (typical)
    • Active driver current limiting capability
    • Configurable driver overcurrent limit:50mA to 500mA
    • Active reverse polarity protection of up to 65V on LP, CQ, DO and DI
    • Safe and fast demagnetization of inductive loads
  • Integrated protection features for robust systems
    • Fault indicator for overcurrent, overtemperature and UVLO faults
    • Extended ambient temperature operation:–40°C to 125°C
    • ±8kV IEC 61000-4-2 ESD contact discharge
    • ±4kV IEC 61000-4-4 electrical fast transient
    • ±1.2kV, 500Ω IEC 61000-4-5 surge
  • Large capacitive and inductive load driving capability
  • Integrated LDO provides up to 20mA current
  • Optional external regulator input (5V) to reduce internal power dissipation in the LDO
  • Small space-saving package options
    • 4mm × 4mm VQFN package
    • 2.7mm × 2.7mm DSBGA package

Description

The TIOL221 transceiver integrates dual low-power output drivers with active reverse polarity protection. When the device is connected to an IO-Link master through a three-wire interface, the controller can initiate communication, and exchange data with the remote node while the TIOL221 acts as a complete physical layer for the communication. The device also integrates an auxiliary DI channel.

The device is capable of withstanding up to 1.2kV (500Ω) of IEC 61000-4-5 surge and features integrated reverse polarity protection. In addition to the SPI for configurability and expanded diagnostic capability, a simple pin-programmable interface allows easy interfacing with the controller circuits. The output current limit can be configured using either an external resistor or per-configured limits via SPI. TIOL221 can be configured to generate wake-up pulse, and be used in IO-link master applications. Fault reporting and internal protection functions are provided for undervoltage, overcurrent and overtemperature conditions.

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