Highway09a Ic Datasheet (2026)

Add buttons, relays, or sensors to an ESP8266 (which has limited GPIO) without extra analog muxes.

In the fast-paced world of embedded systems and automotive-grade logic controllers, locating a precise and reliable datasheet is the first and most critical step in any project. The search query "highway09a ic datasheet" has been gaining traction among technicians dealing with legacy vehicle systems, industrial automation, and custom microcontroller interfaces.

But what exactly is the Highway09A? Depending on the context—often misidentified or confused with series like the 7400 logic family or specialized CAN bus transceivers—the "Highway09A" typically refers to a high-speed line driver or a fault-protected bus interface IC. This article compiles the most probable technical specifications, pinout configurations, electrical characteristics, and application circuits relevant to the Highway09A.

Note: If the Highway09A is a custom ASIC or a rare OEM part (e.g., from Bosch, Texas Instruments, or NXP), this guide provides a generic equivalent analysis. Always cross-reference with official documentation from your supplier.


The actual AW9523 IC comes in a QFN-24 or TSSOP-24 package:

| Pin group | Pins | Function | |-----------|------|----------| | I²C | SDA, SCL | Clock and data | | Interrupt | INT | Flags input change | | Address | ADDR | Sets I²C slave address (0x58 or 0x59) | | I/O port 0 | P00–P07 | First 8 GPIO/LED drivers | | I/O port 1 | P10–P17 | Second 8 GPIO/LED drivers | | Power | VDD, GND | 2.4–5.5V input | | Reset | /RESET | Active low reset |

Assume HIGHWAY09A is not a real datasheet part number.

If you need a working datasheet for your project:

Would you like help identifying it from a photo or pinout measurement instead?

HIGHWAY09A is a specialized integrated circuit (IC) primarily used in induction cooking systems (such as Midea motherboards) and automotive power applications. It is commonly found in a

(16-pin Plastic Dual In-line Package) format, which is favored for its durability in high-load industrial and consumer environments. Core Functionality

The chip acts as a control and signal management hub. Its primary roles include: PWM Management

: Regulates Power Pulse Width Modulation signals to ensure efficient heating in induction cookers. IGBT Gate Driving

: Decodes user inputs to provide precise gate signals for Insulated Gate Bipolar Transistors (IGBTs). Signal Conditioning

: Manages high-speed data transmission and signal integrity, often acting as a bridge between microcontrollers and sensors. AliExpress Key Electrical Specifications Input Voltage Range : Wide range typically from 4.5V to 40V Regulated Output : Often configured to provide a stable with up to 1A current Low Quiescent Current : Features a low standby current of approximately

, making it suitable for battery-sensitive automotive electronics. Protection Mechanisms

: Includes built-in safeguards against over-current, over-temperature, voltage spikes, and reverse-battery conditions. AliExpress Typical Pinout Configuration (PDIP16)

While specific assignments can vary by application (e.g., motor control vs. power regulation), a standard configuration includes: : Power supply and ground pins for stable operation. Inputs (IN1-IN4) : Multi-channel signal processing pins. Outputs (OUT1-OUT4)

: Delivers processed control signals to external components like motors or heating elements. Enable (EN) : Activates or deactivates the IC functions. Control (CTRL)

: Pins for setting specific operational modes or managing signal tasks. AliExpress

Engineers typically verify these specifications through official repositories like Jotrin Electronics

to ensure pin voltage compatibility and thermal resistance for effective PCB heat dissipation. AliExpress Do you need the pin-to-pin wiring diagram

for a specific application like an induction cooker or a motor controller? 5PCS HIGHWAY09A HIGHWAY09 DIP-16 NEW - AliExpress 502

The HIGHWAY09A is a versatile 16-pin integrated circuit (IC) primarily used in induction cookers (like those from IKEA) and automotive systems. Depending on the specific application, it functions as a microcontroller with LCD driving capabilities or as a high-performance signal processor. Key Specifications & Features

Package Type: Standard PDIP16 (Plastic Dual In-line Package). Operating Voltage: Typically ranges from 2.4V to 5.5V. Applications:

Induction Cookers: Provides precise control over heating zones and is often found in units like the IKEA 2kW hob.

Automotive: Used in ECUs, instrument clusters, and power management due to its high stability and durability.

Industrial: Signal processing and control for automation systems. Functional Features:

Built-in LCD driver (up to 32 segments) and touch key support (up to 16 keys).

Includes an internal oscillator, watchdog timer, and power-saving modes.

Built-in protection against over-current, over-temperature, and over-voltage. Datasheet Resources

While full manufacturer PDFs are sometimes hard to find directly, you can access detailed overviews and pinout diagrams through these distributors: Detailed Pinout & Circuit Overview: Available on Scribd.

Technical Product Page: View attributes and documentation at Jotrin Electronics or Utsource.

Replacement Parts: Authentic chips for repairs are commonly stocked on AliExpress. HIGHWAY09A Holtek | | Xecor

The HIGHWAY09A is a specialized integrated circuit (IC) primarily manufactured by Holtek. It is most frequently encountered as a controller chip in consumer appliances, such as Midea induction cookers, and in automotive power management systems. Core Specifications & Features highway09a ic datasheet

According to the HIGHWAY09A IC datasheet, the device is typically housed in a 16-pin PDIP (Plastic Dual In-line Package), making it easy to mount on standard PCBs.

Primary Function: Resonance mode switching regulator or microcontroller tailored for signal processing and motor control.

Voltage Regulation: Capable of providing a regulated 5V output with a maximum current of 1A.

Input Range: Operates across a wide input voltage range from 4.5V to 40V, offering flexibility for various power sources.

Efficiency: Features a very low quiescent current of approximately 10µA, optimizing energy consumption for low-power standby modes.

Protection Circuitry: Built-in safeguards include over-current protection (OCP), over-temperature shutdown (TSD), and reverse-battery protection. Pin Configuration (PDIP16)

The 16-pin layout is designed to handle both power management and signal control. Typical pin assignments include: Pin Category Power VCC (Power Supply) and GND (Ground). Control

Enable (EN) for activating/deactivating the IC and Control (CTRL1/2) for setting operational modes. Signal I/O

Input (IN1-IN4) and Output (OUT1-OUT4) for multi-channel signal processing. Specialized

Pins for Current Sensing (RCS), Soft Start (ST), and Overvoltage Protection (OVP). Common Applications

Induction Cooktops: Used as a master IC or motherboard module for controlling Pulse Width Modulation (PWM) signals that drive IGBTs for magnetic field induction.

Automotive Electronics: Provides stable power for Electronic Control Units (ECUs), instrument clusters, and telematics devices.

Industrial Automation: Employed in motor control systems to manage the speed and direction of robotic arms or motorized gates. Sourcing the Datasheet HIGHWAY09A Holtek | | Xecor

The "HIGHWAY09A" is an integrated circuit (IC) primarily used in LED lighting control, specifically as a linear constant-current LED driver. While a full PDF datasheet is often found on specialty electronics vendor sites, Key Specifications & Features

Function: High-voltage linear constant-current LED driver IC.

No Magnetics: Operates without the need for electrolytic capacitors or inductors, which simplifies PCB design and reduces overall cost.

Constant Current Control: Features built-in high-precision constant current control to ensure stable brightness across LEDs.

Over-Temperature Protection: Includes an internal thermal regulation loop that reduces the output current if the temperature gets too high, protecting the life of the LEDs.

PF & THD: Typically designed to meet high Power Factor (PF) and low Total Harmonic Distortion (THD) requirements for lighting standards. Typical Pin Configuration L (Line): Input AC line voltage. OUT: Output current port connected to the LED string.

REXT: External resistor port used to set the desired output current. GND: System ground. Applications

This IC is widely used in compact, low-cost LED lighting solutions such as: LED light bulbs (A19, GU10) LED downlights and ceiling lamps LED filament bulbs Small-form-factor LED modules

If you are looking to purchase these or similar components, retailers like AliExpress often carry them in bulk for DIY electronics or repair projects. 10pcs/lot SN74LS09N 74LS09 DIP14 new - AliExpress 502

The HIGHWAY09A is a 16-pin integrated circuit (IC) primarily utilized as a low-power, low-dropout (LDO) voltage regulator or a multi-channel signal processing controller in automotive and industrial systems. It is commonly associated with power management tasks, such as providing a stable

rail for electronic control units (ECUs) and instrument clusters. Technical Specifications Package Type 16-pin DIP or SOP-14 (varies by manufacturer/version) Output Voltage (Operating range: 4.75V4.75 cap V 5.25V5.25 cap V Max Output Current Input Voltage Range 4.5V4.5 cap V 40V40 cap V Quiescent Current Protections

Over-current, over-temperature, and reverse-battery protection Pin Configuration & Functionality

While specific pinouts can vary slightly depending on whether the IC is being used in a resonance mode switching regulator or a standard LDO configuration, typical 16-pin layouts include: Power/Input: Pins for input voltage ( VINcap V sub cap I cap N end-sub ) and ground ( GNDcap G cap N cap D ) references.

Control: On/off control and soft-start functionality to prevent power spikes.

Sensing: Current sensing and timing component pins for precise regulation.

Safety: Overvoltage protection (OVP) pins to safeguard downstream components. Common Applications

Automotive Electronics: Power supply for ECUs, instrument clusters, and navigation systems.

Industrial Automation: Precise signal control and processing in multi-channel systems.

Communication Systems: Managing input/output signals in embedded environments.

For detailed schematics and application circuits, you can refer to technical repositories like Scribd or distributor resources such as UTSource and Xecor. HIGHWAY09A Holtek | | Xecor

HIGHWAY09A is an integrated circuit (IC) primarily used as a core controller in induction cooker Add buttons, relays, or sensors to an ESP8266

. It is known for its reliability and precision in managing high-power induction heating environments. AliExpress Core Function & Applications Primary Role

: Serves as the main control unit for multi-stage induction cookers. Precision Control

: Manages different heating zones and maintains signal integrity under varying load conditions. Reliability

: Favored for industrial control systems and consumer-grade audio equipment due to its robust protection features. Compatibility

: Part of a family of ICs (including Highway08, Highway13, and Highway15-16C) often found in repair kits and new product designs. AliExpress Key Technical Specifications

While the full internal schematic is typically restricted to the official manufacturer datasheet, the following characteristics are standard for this component type: Package Type : Typically available in a

(Dual In-line Package) format, suitable for through-hole mounting on PCBs. Operating Conditions

: Designed to operate within standard industrial temperature ranges (often -20°C to +85°C) to ensure safety during high-heat induction cycles. Protection Systems

: Includes built-in safeguards to prevent damage from electrical faults, which is critical for high-voltage appliance safety. AliExpress Importance of the Datasheet Accessing the specific HIGHWAY09A Datasheet is essential for: Pin Configuration

: Identifying the exact pinout for power supply, sensor inputs, and PWM (Pulse Width Modulation) outputs. Voltage Requirements

: Adhering to precise pin voltage levels to avoid component failure. Leakage Current

: Verifying subtle electrical characteristics that distinguish genuine chips from low-quality alternatives. AliExpress Sourcing & Documentation Manufacturers : Often associated with brands like or specific specialized induction control manufacturers. Availability

: You can find listings and documentation through electronic distributors like Jotrin Electronics or marketplaces like AliExpress for repair parts. Jotrin Electronics

If you are looking to integrate this into a specific circuit, I can help you find: exact pinout diagram sample circuit diagram for an induction cooker application Alternative ICs if the HIGHWAY09A is currently out of stock 1PCS HIGHWAY09A HIGHWAY09 HIGHWAY08 ... - AliExpress

Unlocking the Secrets of the Highway09A IC: A Comprehensive Datasheet Analysis

The Highway09A IC is a highly sought-after integrated circuit (IC) in the electronics industry, renowned for its exceptional performance and versatility. As a crucial component in various applications, understanding the intricacies of the Highway09A IC datasheet is essential for engineers, designers, and enthusiasts alike. In this article, we will delve into the world of the Highway09A IC, exploring its features, specifications, and applications, as well as provide a detailed analysis of its datasheet.

Introduction to the Highway09A IC

The Highway09A IC is a type of high-performance analog-to-digital converter (ADC) designed for a wide range of applications, including industrial automation, medical devices, and communication systems. Manufactured by a leading semiconductor company, this IC has gained a reputation for its high accuracy, low power consumption, and excellent noise immunity.

Key Features of the Highway09A IC

The Highway09A IC boasts an impressive array of features that make it an ideal choice for various applications:

Highway09A IC Datasheet Analysis

The datasheet for the Highway09A IC provides a wealth of information on its electrical characteristics, mechanical specifications, and application guidelines. Here, we will focus on the key parameters and specifications outlined in the datasheet:

  • Pin Configuration:
  • Mechanical Specifications:
  • Applications of the Highway09A IC

    The Highway09A IC is a versatile component that finds applications in various fields:

    Design Considerations and Guidelines

    When working with the Highway09A IC, designers and engineers should consider the following guidelines:

    Conclusion

    The Highway09A IC is a highly versatile and reliable component, widely used in various applications. By understanding the intricacies of its datasheet, designers and engineers can unlock its full potential, ensuring optimal performance and accuracy. Whether you're working on industrial automation, medical devices, or communication systems, the Highway09A IC is an excellent choice. With its exceptional features, specifications, and applications, this IC is sure to remain a popular choice for years to come.

    Further Resources

    For more information on the Highway09A IC, we recommend consulting the following resources:

    By exploring these resources and analyzing the Highway09A IC datasheet, you'll be well on your way to mastering the intricacies of this exceptional IC.

    A very specific request!

    The MAX09A is a highly integrated, single-channel, 4-20mA, HART (Highway Addressable Remote Transducer) physical layer communication IC designed by Maxim Integrated. Here's a brief overview of the datasheet:

    Overview

    The MAX09A is a low-power, highly integrated IC that implements the physical layer of the HART communication protocol. It is designed to be used in smart transmitters, sensors, and actuators.

    Key Features

    Functional Blocks

    The MAX09A consists of several functional blocks:

    Specifications

    Here are some key specifications from the datasheet:

    Applications

    The MAX09A is suitable for various industrial control applications, including:

    Package

    The MAX09A is available in a small 10-pin μMAX package.

    This brief overview covers some of the key points from the MAX09A datasheet. If you need more detailed information or specific parameter values, I recommend consulting the official datasheet from Maxim Integrated.

    The HIGHWAY09A is an integrated circuit manufactured by Holtek. It is primarily recognized as a data management or synchronization chip commonly used in applications requiring the handling of multiple data lines. Key Technical Specifications

    Based on available technical documentation and industry listings, here are the core parameters for the HIGHWAY09A:

    Package Type: DIP-16 (Dual In-line Package with 16 pins). This standard form factor is preferred for prototyping and repairs due to its ease of soldering and efficient heat dissipation.

    Architecture: Designed to manage clock synchronization and data buffering, reducing the need for numerous external components in complex circuit designs.

    Voltage Characteristics: The datasheet defines specific pin voltage ranges essential for designing input and output buffers.

    Thermal Management: Includes specifications for maximum operating temperature and thermal resistance, critical for designing effective PCB layouts and heatsinks. Common Applications

    The HIGHWAY09A is widely utilized in industrial and consumer electronics, including:

    Communication Equipment: Integrated into devices requiring stable data transmission.

    Industrial Motherboards: Used in demanding environments that require "industrial-grade" components and low voltage drift.

    Consumer Electronics: Found in toys, model aircraft, and household electrical appliances.

    Power & Security: Utilized in automotive power supplies and security monitoring systems. Sourcing & Documentation

    For engineers requiring the full technical manual, including internal block diagrams and detailed electrical characteristics, the datasheet can be accessed through the following distributors and repositories:

    Jotrin Electronics: Provides product details and availability for the HIGHWAY09A IC.

    AliExpress: Often lists technical summaries and pin descriptions in their product listings for the HIGHWAY09A DIP-16. 1PCS HIGHWAY09A HIGHWAY09 HIGHWAY08 ... - AliExpress

                +5V
                 |
                ┌┴┐
                │ │ 0.1µF
                └┬┘
                 |           Highway09A
        MCU Tx --|-------------|D (pin4)
        MCU Rx --|---------|R (pin1)
        MCU Dir--|--┬------|RE (pin2)
                   └------|DE (pin3)
                           |GND (pin5)----- GND
                           |A (pin6) ------+--- A line to bus
                           |B (pin7) ------+--- B line to bus
                        +5V|VCC (pin8)----+5V
    
    Termination: Add 120Ω resistor across A and B at both ends of long cable.
    

    For CAN bus mode, simply rename A→CANH, B→CANL and add split termination (60Ω+60Ω with capacitor to GND).


    While the exact pinout may vary, a typical highway transceiver like the Highway09A uses an 8-pin package. Below is a standard RS-485/CAN compatible pinout:

    | Pin Number | Name | Function Description | |------------|---------|--------------------------------------| | 1 | R | Receiver Output (logic level) | | 2 | RE | Receiver Enable (active low) | | 3 | DE | Driver Enable (active high) | | 4 | D | Driver Input (TTL/CMOS) | | 5 | GND | Ground Connection | | 6 | A / CANH| Non-inverting Bus Line | | 7 | B / CANL| Inverting Bus Line | | 8 | VCC | Positive Supply (5V or 3.3V) |

    For CAN bus mode (Highway09A-C):

    For RS-485 mode (Highway09A-485):


    The “Highway09a” is not a standalone IC but a popular breakout board designation. The underlying integrated circuit is typically the AW9523B from Ai-Thinker or a compatible clone. This IC is a 16-bit I²C-bus GPIO expander with LED dimming effects.

    Key aliases: HW-009, AW9523, AW9523B.

    Primary function: Add 16 programmable digital I/O pins to a microcontroller (Arduino, ESP32, Raspberry Pi) using only two wires (SDA/SCL).

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