company blog about TI Original SN65C3232PWR 1Mbps Dual Channel RS-232 Line Driver And Receiver

TI Original SN65C3232PWR 1Mbps Dual Channel RS-232 Line Driver And Receiver

Shenzhen Mingjiada Electronics Co., Ltd. — Long-term supplier of TI (SN65C3232PWR) 3V to 5.5V, dual-channel, 1Mbps, RS-232 line driver/receiver. This device plays a vital role in modern industrial communication and data processing. Mingjiada Electronics provides genuine SN65C3232PWR chips, ensuring product quality and reliability. Below are the product details for the SN65C3232PWR:

1. Product Description
The SN65C3232PWR is a high-performance dual-channel line driver/receiver compliant with the RS-232 standard, developed by Texas Instruments (TI). The SN65C3232PWR integrates two line drivers and two line receivers, featuring a dual charge pump circuit that eliminates the need for traditional ±12V power supplies. It operates on a single 3V to 5.5V supply. The charge pump circuit requires only four small external capacitors (typically 0.1μF), significantly simplifying external circuit design.

The primary function of the SN65C3232PWR is to provide an electrical interface and level conversion between asynchronous communication controllers (such as microcontrollers or UART controllers) and serial port connectors. It converts TTL/CMOS logic levels (0-3.3V/5V) to the positive and negative voltages required by the RS-232 standard (typically ±5V to ±15V), and vice versa. Its design addresses modern electronic equipment requirements for miniaturisation, low power consumption, and high reliability.

Notably, the SN65C3232PWR's serial port connection pins (including GND) offer exceptional ±15kV ESD protection (Human Body Model-HBM), effectively withstanding electrostatic discharge surges that may occur during practical insertion, removal, and operation. This enhances system durability and reliability in harsh environments.

2. Specifications
Model: SN65C3232PWR
Product Type: RS-232 Transceiver
Package Type: TSSOP-16
Number of Drivers: 2
Number of Receivers: 2
Duplex Mode: Full-duplex
Data Rate: Up to 1Mbps
Supply Voltage: 3V to 5.5V
Low Power Characteristics: Static current as low as 300μA (typical)
ESD Protection Rating: ±15kV (HBM, on bus pins)
Operating Temperature Range: -40°C to +85°C
Receiver Hysteresis: 300mV
External Capacitors: 4 × 0.1μF
The SN65C3232PWR utilises a TSSOP-16 package, a compact surface-mount package ideally suited for space-constrained applications. Its wide supply voltage range (3V to 5.5V) enables seamless integration with 3.3V systems while maintaining compatibility with traditional 5V logic systems.

3 Product Features
The SN65C3232PWR enjoys widespread market favour due to its range of outstanding characteristics:
Low-power design: With a typical quiescent current of just 300μA, the SN65C3232PWR is ideally suited for power-sensitive battery-operated devices such as portable instruments, handheld terminals and PDAs, helping to extend device runtime.
High Data Rate: Supporting data transfer rates up to 1Mbps, this chip meets most medium-to-high-speed RS-232 communication requirements, ensuring rapid and reliable data transmission.
Robust ESD Protection: The SN65C3232PWR provides up to ±15kV ESD protection (human body discharge model) on RS-232 bus pins, significantly enhancing the system's resistance to electrostatic damage during assembly and operation. This improves product robustness and longevity.
Wide Supply Voltage Range: The single-supply voltage range of 3V to 5.5V enables the SN65C3232PWR to adapt flexibly to diverse power supply environments, including 3.3V and 5V systems, without requiring additional voltage conversion circuitry.
Integrated charge pump circuit: An internal charge pump requires only four small 0.1μF external capacitors to generate the negative voltage and boosted positive voltage needed for the RS-232 interface. This reduces external component count, simplifies system complexity, and lowers overall cost.
Excellent compatibility: The SN65C3232PWR's inputs tolerate 5V logic levels even when powered by 3.3V itself, facilitating interfacing with microprocessors or ASICs operating at different voltage levels.
Extended Temperature Range: The SN65C3232PWR supports an industrial-grade operating temperature range of -40°C to +85°C, enabling it to withstand harsh environmental conditions and making it suitable for applications such as industrial automation and automotive electronics.

4 Application Information
The versatility and reliability of the SN65C3232PWR render it suitable for numerous fields:
Industrial Automation and Control Systems: Within industrial PCs, PLCs (Programmable Logic Controllers), sensor networks, and Supervisory Control and Data Acquisition (SCADA) systems, the SN65C3232PWR is frequently employed to establish reliable serial communication between devices and host computers or controllers.
Computer and Data Centre Peripherals: Despite the increasing prevalence of interfaces such as USB, the SN65C3232PWR remains employed in traditional printers, scanners, modems, and management interfaces for data centre and enterprise-level computing equipment.
Portable and Battery-Powered Devices: Owing to its low-power characteristics, the SN65C3232PWR is well-suited for notebook computers, personal digital assistants (PDAs), handheld medical devices, portable instruments, and similar products.
Embedded Systems and Consumer Electronics: Within numerous embedded systems, the SN65C3232PWR serves as a bridge for debugging and data exchange between microcontrollers and PCs or other RS-232 devices.
Automotive Electronics: Notably, the SN65C3232PWR complies with the AEC-Q100 standard, signifying its suitability for automotive electronics applications and its ability to withstand the demanding requirements of automotive environments.

Conclusion
In summary, TI's SN65C3232PWR represents an outstanding, comprehensive RS-232 interface solution. It adeptly combines low power consumption, high integration, robust protection capabilities and a wide operating voltage range, effectively simplifying design and enhancing system reliability. Whether in traditional industrial equipment or modern portable devices, the SN65C3232PWR excels in level conversion and communication tasks.

For further product information or pricing enquiries regarding the SN65C3232PWR, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) to explore supply details.