Adinath Electronics

The SN75176BDR is an 8-pin differential bus transceiver designed for bidirectional data communication on multipoint bus transmission lines. It comes in a small-outline integrated circuit (SOIC) package with a body size of 4.90 mm × 3.91 mm, making it suitable for compact PCB designs. The device operates from a single 5-V power supply with a recommended operating voltage range of 4.75 V to 5.25 V, ensuring reliable performance in various applications. It meets or exceeds the requirements of ANSI standards TIA/EIA-422-B and TIA/EIA-485-A, as well as ITU Recommendations V.11 and X.27, making it ideal for balanced transmission lines in noisy environments. The SN75176BDR features a 3-state driver and receiver with individual enable controls, allowing flexible configuration for direction control. The driver supports up to ±60 mA of output current, with thermal shutdown protection and current limiting to safeguard against line-fault conditions. The receiver offers a minimum input impedance

The STM32F030K6T6 is a 32-bit microcontroller from STMicroelectronics’ STM32F0 series, based on the ARM Cortex-M0 core. It is designed for cost-sensitive and low-power embedded applications while still providing strong performance and a rich set of peripherals.

At its core, the STM32F030K6T6 runs at a maximum clock frequency of 48 MHz, delivering efficient processing for control, sensing, and communication tasks. It integrates 32 KB of Flash memory for program storage and 4 KB of SRAM, making it suitable for compact firmware designs. The microcontroller operates over a wide supply voltage range (2.0 V to 3.6 V), allowing flexibility in power-supply design and compatibility with battery-powered systems.

The device comes in an LQFP-32 package, providing up to 26 general-purpose I/O pins. These GPIOs support multiple alternate functions, enabling easy interfacing with external components. The STM32F030K6T6 includes a variety of on-chip peripherals, such as USART, SPI, and I²C for communication, as well as timers for time-base generation, PWM control, and event counting. It also features a 12-bit ADC with multiple channels, suitable for reading analog sensors and monitoring voltages.

Low-power operation is a key strength of this microcontroller. It offers several power-saving modes, including Sleep and Stop modes, helping designers reduce energy consumption in idle conditions. The integrated internal oscillator reduces the need for external components, further lowering system cost and complexity.

Overall, the STM32F030K6T6 is well suited for applications such as motor control, simple industrial controllers, consumer electronics, home appliances, and IoT edge devices. Its balance of performance, peripheral integration, low power consumption, and affordability makes it a popular choice for both beginners and professional embedded developers.

The IR2153STRPBF is a unique member of the International Rectifier (Infineon) family.

Key Features

• Integrated Oscillator: By connecting a resistor ($R_T$) and a capacitor ($C_T$), the IC generates its own switching frequency. The frequency ($f$) is roughly calculated as:

   

  $$f \approx \frac{1}{1.4 \times (R_T + 75\Omega) \times C_T}$$

• Internal Zener Clamp: It features a 15.6V shunt regulator on the $V_{CC}$ pin. This allows the chip to be powered directly from a high-voltage DC rail using just a single power resistor (dropping resistor).

• Micropower Startup: It consumes less than 150µA before it starts oscillating, which is ideal for "offline" power supplies where you want to minimize power loss during startup.

• Matched Deadtime: It includes a fixed internal deadtime of 1.2µs to prevent shoot-through between the high and low-side MOSFETs.

Pin Configuration (8-SOIC)

1. VCC: Logic and gate drive supply (internally clamped at 15.6V).

2. RT: Oscillator timing resistor input.

3. CT: Oscillator timing capacitor input.

4. COM: IC Ground.

5. LO: Low-side gate drive output.

6. VS: High-side floating supply return.

7. HO: High-side gate drive output.

8. VB: High-side floating supply (Bootstrap).

The STM32G030K8T6 is a low-cost, low-power 32-bit microcontroller from STMicroelectronics, belonging to the STM32G0 series. It is based on the Arm® Cortex®-M0+ core, operating at clock speeds of up to 64 MHz, and is designed to deliver efficient performance while maintaining very low power consumption. This makes it a strong replacement for traditional 8-bit and 16-bit microcontrollers in modern embedded designs.

The device features 64 KB of Flash memory and 8 KB of SRAM, offering ample program and data space for small to medium-complexity applications. It operates within a 1.7 V to 3.6 V supply voltage range and supports multiple low-power modes, including Sleep and Stop, enabling energy-efficient operation in battery-powered and always-on systems.

The STM32G030K8T6 integrates a versatile set of peripherals suited for general-purpose control. It includes a 12-bit ADC with multiple channels for accurate analog measurements, along with general-purpose timers capable of PWM generation, input capture, and timing functions. Communication interfaces such as USART, I²C, and SPI allow easy connection to sensors, displays, actuators, and external memory devices. DMA support improves data handling efficiency by reducing CPU load during peripheral transfers.

Housed in a compact LQFP-32 package, the STM32G030K8T6 provides flexible GPIO pin multiplexing while keeping a small footprint for space-constrained designs. Many GPIO pins are 5-V tolerant, enhancing compatibility with a wide range of external components. Reliability features such as watchdog timers and clock security systems ensure stable operation.

Supported by the comprehensive STM32Cube development ecosystem, including STM32CubeIDE, HAL/LL drivers, and extensive documentation, the STM32G030K8T6 is well suited for consumer electronics, home appliances, industrial control, power management, and entry-level IoT applications, where cost efficiency, reliability, and ease of development are essential.

The PIC18F46K22-I/P is a high-performance 8-bit microcontroller from Microchip Technology, part of the PIC18F K22 family, designed for embedded applications that require high processing speed, extensive I/O capability, and flexible peripheral integration. It is based on Microchip’s enhanced Harvard architecture, which allows simultaneous access to program and data memory, improving overall execution efficiency. With the internal Phase-Locked Loop (PLL), the device can operate at clock speeds of up to 64 MHz, providing performance of up to 16 MIPS.

The PIC18F46K22 offers 64 KB of Flash program memory, 3,968 bytes of SRAM, and 1 KB of EEPROM, making it suitable for complex firmware, data buffering, and non-volatile parameter storage. It supports In-Circuit Serial Programming (ICSP) and In-Circuit Debugging (ICD), enabling efficient development, testing, and in-system firmware updates.

A major advantage of the PIC18F46K22-I/P is its comprehensive set of on-chip peripherals. The device provides up to 36 general-purpose I/O pins with Peripheral Pin Select (PPS), giving designers flexibility in assigning digital peripherals to physical pins. It integrates a 10-bit Analog-to-Digital Converter (ADC) with up to 16 channels, suitable for accurate analog signal measurement. Communication peripherals include USART, SPI, and I²C through the enhanced MSSP module, allowing seamless connectivity with sensors, displays, memory devices, and communication modules.

Additional features include multiple timers, Enhanced Capture/Compare/PWM (ECCP) modules for motor control and power regulation, comparators, a watchdog timer, and several low-power operating modes such as Sleep and Idle for energy-efficient designs.

The “I/P” designation indicates an industrial temperature range of –40 °C to +85 °C and a 40-pin PDIP package, making the PIC18F46K22-I/P well suited for prototyping, educational use, and through-hole PCB designs. With its high performance, rich peripherals, and strong Microchip development ecosystem, it is widely used in industrial automation, instrumentation, motor control, communication systems, and advanced embedded applications.

74HC164 / 74HCT164 8-Bit Serial-In, Parallel-Out Shift Register – Key Specifications
General Description: 8-bit serial-in/parallel-out shift register with gated serial inputs (DSA, DSB), asynchronous master reset (MR), and edge-triggered clock (CP). Converts serial data to parallel outputs (Q0-Q7) for applications like LED drivers, data storage, and logic expansion.
Voltage Range:
74HC164: 2.0V to 6.0V (CMOS-level inputs).
74HCT164: 4.5V to 5.5V (TTL-level inputs).
Absolute Max Supply Voltage: 7V (non-operational).
Package Options:
SO14 (SOT108-1): 14-lead Small Outline, 3.9mm body width.
TSSOP14 (SOT402-1): 14-lead Thin Shrink Small Outline, 4.4mm body width.
DHVQFN14 (SOT762-1): 14-terminal leadless package, 2.5x3x0.85mm.
Reel Quantity:
Standard Reel: 2,500 pieces (SO14/TSSOP14).
Large Reel: 10,000 pieces (TSSOP14 only).
Key Features:
Dual Serial Inputs: DSA and DSB (either can act as enable).
Asynchronous Reset: Active-LOW MR clears all outputs.
High-Speed Operation:
74HC164: 85MHz max at 6.0V.
74HCT164: 55MHz max at 4.5V.
Low Power: 8µA typical supply current (static).
Performance:
Propagation Delay: 12ns (typ) at 5V (HC).
Output Current: ±25mA max.
ESD Protection: 2000V HBM (Class 2), 1000V CDM (Class C3).
Operating Conditions:
Temperature Range: -40°C to +125°C.
Clock Transition Rate: 1.67ns/V (4.5V).
Applications:
LED matrix control, serial-to-parallel data conversion, industrial control systems.
Compliance:
JESD8C/JESD7A compliant.

The UC2842B/3B/4B/5B   - / -  UC3842B/3B/4B/5B are high-performance current-mode PWM controllers designed for fixed-frequency switching power supply applications. These devices are available in an 8-pin MiniDIP or SO8 package, making them compact and suitable for a variety of circuit layouts. The operating voltage for the UC2842B and UC3844B models ranges from a start-up threshold of 16V (on) and 10V (off), making them ideal for off-line applications, while the UC2843B and UC3845B models feature lower UVLO thresholds of 8.5V (on) and 7.9V (off), suited for lower voltage applications. The maximum supply voltage (Vi) is rated at 30V, with a self-limiting current feature for protection. These controllers are designed to operate over a wide temperature range, with junction temperatures spanning from -40°C to 150°C, ensuring reliability in harsh environments.
The UC2842B/3B/4B/5B and UC3842B/3B/4B/5B families incorporate several advanced features, including a trimmed oscillator for precise frequency control, with

MOC3020, MOC3021, MOC3022, and MOC3023make - Lite-On Inc. 
The MOC302X series, including variants like the MOC3020, MOC3021, MOC3022, and MOC3023, is a family of optocoupler triac drivers manufactured by Lite-On Technology. These devices are designed to provide electrical isolation between low-voltage control circuits and high-voltage AC loads, making them ideal for applications requiring safe and reliable switching of AC power. The MOC302X series features a 6-pin DIP (Dual In-line Package) configuration, with options for surface-mount (S) and wide lead-spacing (M) packages, catering to diverse PCB design needs. The devices operate with an input forward current (I_F) ranging from 5mA to 30mA, depending on the specific model, and support an isolation voltage of 5,000Vrms, ensuring robust protection between input and output circuits.
The output stage of the MOC302X series consists of a triac driver capable of handling peak repetitive off-state voltages (V_DRM) up to 400V and critical rates of voltage rise (dV/dt) of 1,000V/µs, m

The ATMEGA16A-AU is a mid-range, 8-bit microcontroller from the AVR family, known for its balance of power, memory, and peripheral options. It is significantly more capable than the "tiny" series, providing 32 I/O lines and a much larger set of hardware communication ports.

The "-AU" suffix refers to:

• A: The "A" revision, optimized for lower power consumption and a wider voltage range (starting at 2.7V).

• U: A 44-lead TQFP (Thin Quad Flat Pack) surface-mount package.

• U: Also indicates an Industrial Temperature Grade (-40°C to +85°C) and lead-free/RoHS compliance.

The PIC18F25K22-I/P is an 8-bit high-performance microcontroller from Microchip Technology, part of the PIC18F K22 family, designed for advanced embedded control applications that require higher speed, enhanced peripherals, and low power consumption. It uses Microchip’s enhanced Harvard architecture, allowing simultaneous access to program and data memory, and supports a maximum operating frequency of 64 MHz using the internal PLL, delivering up to 16 MIPS.

This microcontroller features 32 KB of Flash program memory, 1,536 bytes of SRAM, and 1 KB of EEPROM, providing ample space for complex firmware, runtime variables, and non-volatile data storage. It supports In-Circuit Serial Programming (ICSP) and In-Circuit Debugging (ICD), simplifying development and firmware updates.

The PIC18F25K22-I/P offers a rich set of integrated peripherals. It includes up to 24 general-purpose I/O pins, configurable with peripheral pin select (PPS) for flexible hardware design. The device integrates a 10-bit ADC with up to 16 channels, suitable for accurate analog signal measurement. Communication interfaces include USART, SPI, and I²C through the enhanced MSSP module, enabling seamless connectivity with sensors, displays, and external devices.

Additional features include multiple timers, Enhanced Capture/Compare/PWM (ECCP) modules for motor control and power applications, a comparator module, and a watchdog timer for system reliability. The microcontroller also supports low-power modes, such as Sleep and Idle, making it ideal for battery-powered and energy-efficient designs.

The “I/P” suffix indicates an industrial temperature range of –40°C to +85°C and a 40-pin PDIP package, which is well suited for prototyping, breadboard development, and through-hole PCB designs. With its high performance, flexible peripherals, and strong development ecosystem, the PIC18F25K22-I/P is widely used in industrial automation, consumer electronics, motor control, communication systems, and advanced embedded applications.

The RFM98W-433S2 from Hoperf is a Lora™ RFM98W transceiver module at 433MHz band in SMD package. It feature LoRa™ long range modem that provides ultra long range spread spectrum communication and high interference immunity whilst minimising current consumption. Using patented LoRa™ modulation technique RFM98W can achieve a sensitivity of over -148dBm. The high sensitivity combined with the integrated +20dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. LoRa™ also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption. Device also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The RFM98W deliver exceptional phase noise, selectivity, receiver linearity and IIP3 for significantly lower current consumption than competing devices.

• Supply voltage of 1.8V to 3.7V
• Programmable bit rate up to 300Kbps

Applications

RF Communications, Wireless, Consumer Electronics, Building Automation, Industrial

The STM32F103VBT6 is a 32-bit microcontroller from STMicroelectronics’ well-known STM32F1 series, built around the ARM Cortex-M3 core. It is intended for applications that require high performance, extensive I/O capability, and rich peripheral integration, making it suitable for complex embedded systems.

The Cortex-M3 core operates at a maximum clock frequency of 72 MHz, providing strong processing power for real-time control, data handling, and communication tasks. The STM32F103VBT6 features 128 KB of Flash memory and 20 KB of SRAM, allowing developers to implement larger firmware, advanced algorithms, and multiple communication protocols. It runs from a 2.0 V to 3.6 V supply voltage range, supporting flexible power-supply designs.

Housed in an LQFP-100 package, the microcontroller provides up to 80 GPIO pins, all configurable with multiple alternate functions. This high pin count makes the STM32F103VBT6 ideal for applications that need to interface with numerous peripherals, sensors, displays, and external devices. The integrated communication interfaces include multiple USARTs, SPI, and I²C, as well as USB 2.0 Full-Speed device support, enabling direct USB connectivity without additional hardware.

For timing and control, the device includes a comprehensive set of advanced, general-purpose, and basic timers, supporting precise time measurement and PWM generation for motor control and power-conversion applications. The analog subsystem features two 12-bit ADCs with multiple input channels and fast conversion rates, enabling efficient data acquisition and signal processing. DMA controllers are also included to reduce CPU load during data transfers.

The STM32F103VBT6 supports low-power operating modes such as Sleep and Standby to minimize energy consumption. With robust development support through STM32CubeIDE, HAL/LL libraries, JTAG/SWD debugging, and a large developer community, it remains a reliable choice for industrial automation, motor drives, communication equipment, and advanced embedded systems.