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TRS3232EIPWR

TITRS3232EIPWR

Texas Instruments
2/2 Transceiver Full RS232 16-TSSOP
Active9,017 in stock
Datasheet Digi-Key Compare Prices

Overview

The TRS3232EIPWR is a dual-channel RS-232 line driver and receiver designed for high-performance asynchronous communication. It operates across a wide 3V to 5.5V supply range and features integrated ESD protection to safeguard internal circuitry from voltage spikes up to +/-15kV. This transceiver is an ideal solution for bridging modern low-voltage microcontrollers with legacy serial peripherals.

Why Choose This Part

This component offers robust ESD protection meeting IEC61000-4-2 standards, reducing the need for external TVS diodes. Its internal charge pump allows it to generate RS-232 valid output levels from a single 3.3V or 5V rail using only four small 0.1uF external capacitors. Additionally, it is pin-compatible with high-speed 1Mbps alternatives, providing a flexible upgrade path for system designs.

Applications

Industrial PLC Programming
Providing rugged serial links between industrial controllers and diagnostic equipment in high-noise environments.
Point of Sale Terminals
Interfacing cash registers with legacy serial peripherals such as receipt printers and barcode scanners.
Networking Equipment
Acting as a console port transceiver for routers and switches to enable out-of-band management.
Battery Powered Handhelds
Utilizing its low typical supply current of 0.3mA for efficient serial data logging in portable devices.

Key Specifications

Type Transceiver
Duplex Full
Protocol RS232
Data Rate 250kbps
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Voltage - Supply 3V ~ 5.5V
Receiver Hysteresis 300 mV
Operating Temperature -40degC ~ 85degC
Supplier Device Package 16-TSSOP
Number of Drivers/Receivers 2/2

Getting Started

To implement this device, place four 0.1uF charge pump capacitors close to the IC pins as specified in the datasheet to ensure stable voltage doubling and inversion. Connect the logic-side T1IN and T2IN pins to your MCU UART TX, and R1OUT and R2OUT to the MCU UART RX. Ensure the VCC decoupling capacitor is present to maintain signal integrity during high-speed switching up to 250kbps.

TRS3232 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
TRS3232EIPWR (this part) TSSOP-16 9,017
TRS3232EIDR SOIC-16 9,685
TRS3232EIDBR SSOP-16 10,336