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Application Notes

AN-CM-359 Portable Washing Machine

Renesas Electronics Corporation

This application note describes how to create a portable washing machine using HVPAK. In addition, he device has three timer modes, a constant number of revolutions per minute regardless of the load, and battery discharge notification.

AN-CM-353 Induction Heater with Variable Power Output

Renesas Electronics Corporation

This application note describes how to create an induction heating device using HVPAK.

In addition, the device has four power modes which make it versatile for various tasks, whether it's heating a cup of water or scalding a bolt.

AN-CM-332 Smart PWM Fan Driver

Renesas Electronics Corporation

This application note describes the High Voltage GreenPAK IC configured as an integrated smart PWM fan driver.

The design implements fan lock detection without the need for 3-wire fans for temperature proportional speed control.

Cooling fans are widely used and extremely important for electronic devices, especially for those that are constantly running, such as power supplies, servers, computers, and telecommunication equipment.

AN-CM-298 Smart Lock Motor Driver with Battery Discharge Compensation

Renesas Electronics Corporation

This application note describes the High Voltage GreenPAK IC design configuration as an integrated smart lock motor driver with dynamic overcurrent detection that accommodates varying supply voltages and loads.

AN-CM-321 Class D Power Amplifier Using HV PAK

Renesas Electronics Corporation

This application note describes several ways of implementing a self-oscillating class D audio power amplifier.

AN-CM-323 Simultaneous Dual Motor Control

Renesas Electronics Corporation

This application note describes the HVPAK configured as a controller for two brushed DC motors with independent control.

AN-CM-335 Lock-In Amplifier

Renesas Electronics Corporation

This application note illustrates how to use the SLG47004 to implement synchronous detection and lock-in amplification of a sensor signal. The design provides the ability to change the integration time and gain of the lock-in amplifier.

AN-CM-318 DC Power Line Communication

Renesas Electronics Corporation

This application note presents a method to use a DC power line for data communication while simultaneously providing power without interruption. This is accomplished via RLC coupling circuits together with GreenPAK IC’s providing modulation (TX) and demodulation (RX).

AN-CM-313 Tamper Detector

Renesas Electronics Corporation

This application note describes a tamper detector design using the SLG46811 IC as an emulated SPI master to drive the AT45DB161E Flash memory.

AN-CM-302 SPWM Generator for Inverter Design

Renesas Electronics Corporation

This app note implements a SPWM Generator. It describes the implemented logic, GreenPAK implementation detail, and the results obtained.

AN-CM-311 Low-Power Button Replacement with Force-Sensitive Resistor

Renesas Electronics Corporation

This application describes how to create a highly reliable, low-power, temperature-stable button function using an SLG47004 and a force-sensitive resistor that can be used for sealed applications.

AN-CM-310 Adjustable Analog Filter

Renesas Electronics Corporation

This application note illustrates how to use the SLG47004 to implement an adjustable analog filter and describes different ways to adjust the filter`s cutoff frequency.

AN-CM-309 Tracking ADC

Renesas Electronics Corporation

This application note describes the implementation of a simple tracking ADC based on digital rheostats of the SLG47004. No external components and no special tuning procedure are required for the proposed ADC structure. Also, the circuit has much better PSRR and temperature drift than a capacitor based counter type ADC. The proposed ADC can be used for monitoring slow-changing signals like temperature, battery voltage, and others.

AN-CM-308 Analog Front End for a Pressure Sensor

Renesas Electronics Corporation

The application note describes the design procedure for Wheatstone bridge sensors. A unique Auto-Trim feature of the SLG47004 is used to achieve the best precision of this analog interface. The application note contains a complete schematic of an analog front-end for a low-cost pressure sensor.

Electric Vehicle (EV) Charger

Renesas Electronics Corporation

Fueling with electricity offers some advantages that are not available in conventional internal combustion engine vehicles. Because electric motors react quickly, EVs are very responsive and have very good torque. EVs are often more digitally-connected than conventional vehicles, with many EV charging stations providing the option to control charging from a smartphone app. This design approach utilizes an active PFC and asymmetrical full-bridge ZVS converter, along with an RL78/G14 MCU for EV charger applications.

System Benefits:

  • Highly integrated MCU
  • The ISL6731B provides adaptive control that enables extremely low THD and high PF without DSP
  • The RL78/G14 MCU allows users to implement working logic, protections, and features for the driver
  • Battery health implementation features

Induction Heating Rice Cooker

Renesas Electronics Corporation

This is a total solution for an induction heating (IH) rice cooker that includes a heating block and human-machine interface (HMI). A highly integrated smart insulated-gate bipolar transistor (IGBT) driver and controller, as well as a low-loss IGBT, help to realize a simple and high-performance IH rice cooker.

System Benefits:

  • This total IH solution is made simpler and high-performance with the use of a smart IGBT driver/controller and highly capable 1250V, 25A IGBT.
  • HMI and touch key display are supported by a single compact MCU.
  • Ultra-low standby power and up to 2.5W output power are provided by a single high-performance buck regulator.

Using the TMS320C6000 McBSP as a High Speed Communication Port (Rev. A)

Texas Instruments
This document describes how to use the mulit-channel buffered serial ports (McBSP) in the Texas Instruments (TI) TMS320C6000™ digital signal processor (DSP) as a high-speed data communication port.

One McBSP of one C6000™ DSP device can be connected to a McBSP on another C6000 DSP device to serve as a high-speed data communication port. Typically McBSPs of similar device numbers a

Dual-SPI Emulating I?S on Tiva? C Series TM4C123x MCUs (Rev. B)

Texas Instruments
This application report presents an example using two serial peripheral interfaces (SPIs) to emulate an integrated interchip sound (I2S) peripheral on the Stellaris? LM4F232 (Tiva C series TM4C123GH6P

Improve Power Converter Reliability Using Hiccup-Mode Current Limiting

Texas Instruments
Improve Power Converter Reliability Using Hiccup-Mode Current Limiting

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