How to Use YH11060D: Examples, Pinouts, and Specs

Introduction

The YH11060D is a high-performance DC-DC buck converter designed for efficient voltage regulation in a wide range of electronic applications. This component is capable of stepping down a higher input voltage to a stable, adjustable lower output voltage, making it ideal for powering microcontrollers, sensors, and other low-voltage devices. Its compact design, high efficiency, and adjustable output voltage make it a versatile choice for embedded systems, IoT devices, and portable electronics.

Explore Projects Built with YH11060D

ESP32-Based Automated Plant Watering System with Soil Moisture Sensing

This is a soil moisture monitoring and water pump control system. It uses an ESP32 microcontroller to read soil moisture levels through a YL-69 sensor and YL-83 LM393 module, and controls a water pump via a 5V relay based on the moisture data. The system is powered by a series-parallel arrangement of 18650 batteries, with a buck converter regulating the voltage.

Open Project in Cirkit Designer

Arduino UNO R4 WiFi Controlled Potentiometer Level Display

This circuit features an Arduino UNO R4 WiFi microcontroller connected to a TM1651 display module (referred to as 'YY') and a potentiometer. The Arduino controls the display via digital pins D2 and D3, which are connected to the DIO and CLK pins of the TM1651, respectively. The potentiometer's output is read by the Arduino's analog pin A0 and is used to adjust the display level on the TM1651, indicating a value that likely represents a battery level or similar variable input.

Open Project in Cirkit Designer

Arduino Nano Solar-Powered Environmental Monitoring System with RF Transmission

This circuit is a solar-powered environmental monitoring system that uses an Arduino Nano to collect data from a DHT11 temperature-humidity sensor and a capacitive soil moisture sensor. The data is transmitted wirelessly via a 433MHz RF transmitter, and the system is powered by a solar panel with an MPPT charge controller and a 18650 Li-Ion battery.

Open Project in Cirkit Designer

Arduino Nano-Controlled Smart Irrigation System with Environmental Monitoring

This circuit is designed for an automated gardening system, featuring an Arduino Nano that processes inputs from a DHT11 temperature/humidity sensor and a YL-69 soil moisture sensor. It displays sensor data on an LCD and controls a water pump via a relay, likely for irrigation purposes, all powered by an 18650 Li-Ion battery.

Open Project in Cirkit Designer

Common Applications:

Powering microcontrollers (e.g., Arduino, ESP32, Raspberry Pi Pico)
Voltage regulation for sensors and modules
Battery-powered devices
Portable electronics
IoT devices requiring efficient power management

Technical Specifications

The YH11060D offers robust performance with the following key specifications:

Parameter	Value
Input Voltage Range	4.5V to 28V
Output Voltage Range	0.8V to 20V (adjustable)
Maximum Output Current	3A
Efficiency	Up to 95%
Switching Frequency	150 kHz
Operating Temperature	-40°C to +85°C
Dimensions	22mm x 17mm x 4mm

Pin Configuration and Descriptions

The YH11060D typically comes in a 6-pin configuration. Below is the pinout and description:

Pin	Name	Description
1	VIN	Input voltage pin. Connect to the positive terminal of the input power source.
2	GND	Ground pin. Connect to the negative terminal of the input power source.
3	VOUT	Output voltage pin. Provides the regulated output voltage.
4	FB	Feedback pin. Used to set the output voltage via an external resistor divider.
5	EN	Enable pin. Pull high to enable the converter; pull low to disable it.
6	NC	No connection. Leave this pin unconnected.

Usage Instructions

How to Use the YH11060D in a Circuit

Input Voltage Connection: Connect the VIN pin to a DC power source within the input voltage range (4.5V to 28V). Ensure the power source can supply sufficient current for your application.
Output Voltage Adjustment: Use a resistor divider network connected to the FB pin to set the desired output voltage. Refer to the formula in the datasheet to calculate the resistor values.
Enable Pin: Connect the EN pin to VIN or a logic high signal to enable the converter. To disable the converter, pull the EN pin to ground.
Output Connection: Connect the VOUT pin to the load. Ensure the load does not exceed the maximum output current of 3A.
Ground Connection: Connect the GND pin to the ground of the input power source and the load.

Important Considerations and Best Practices

Input and Output Capacitors: Place low-ESR capacitors (e.g., ceramic or tantalum) close to the VIN and VOUT pins to stabilize the input and output voltages.
Thermal Management: Ensure adequate ventilation or heat dissipation, especially when operating near the maximum current rating.
Feedback Resistor Selection: Use precision resistors for the feedback network to achieve accurate output voltage regulation.
PCB Layout: Minimize the length of high-current traces and place decoupling capacitors as close as possible to the pins.

Example: Using YH11060D with Arduino UNO

Below is an example of how to use the YH11060D to power an Arduino UNO with a 5V output:

Circuit Connections:

Connect a 12V DC power source to the VIN pin.
Set the output voltage to 5V using a resistor divider on the FB pin.
Connect the VOUT pin to the Arduino UNO's 5V input pin.
Connect the GND pin to the Arduino UNO's GND.

Arduino Code Example:

// Example code to blink an LED on Arduino UNO powered by YH11060D
// Ensure the YH11060D is providing a stable 5V output to the Arduino UNO.

const int ledPin = 13; // Pin connected to the onboard LED

void setup() {
  pinMode(ledPin, OUTPUT); // Set the LED pin as an output
}

void loop() {
  digitalWrite(ledPin, HIGH); // Turn the LED on
  delay(1000);               // Wait for 1 second
  digitalWrite(ledPin, LOW);  // Turn the LED off
  delay(1000);               // Wait for 1 second
}

Troubleshooting and FAQs

Common Issues and Solutions

No Output Voltage:
- Cause: The EN pin is not connected or pulled low.
- Solution: Ensure the EN pin is connected to VIN or a logic high signal.
Output Voltage is Incorrect:
- Cause: Incorrect feedback resistor values.
- Solution: Verify the resistor values in the feedback network and recalculate if necessary.
Overheating:
- Cause: Excessive load current or poor thermal management.
- Solution: Reduce the load current or improve heat dissipation (e.g., add a heatsink).
High Output Ripple:
- Cause: Insufficient output capacitance or poor capacitor quality.
- Solution: Use low-ESR capacitors and place them close to the VOUT pin.

FAQs

Q1: Can the YH11060D be used with a battery as the input source?
A1: Yes, the YH11060D can be used with a battery as long as the input voltage is within the 4.5V to 28V range.

Q2: How do I calculate the feedback resistor values for a specific output voltage?
A2: Use the formula provided in the datasheet:
[ V_{OUT} = V_{REF} \times \left(1 + \frac{R1}{R2}\right) ]
where ( V_{REF} ) is typically 0.8V, and ( R1 ) and ( R2 ) are the resistors in the feedback network.

Q3: Can I use the YH11060D to power a 3.3V device?
A3: Yes, you can set the output voltage to 3.3V by adjusting the feedback resistors accordingly.

Q4: What is the maximum load current the YH11060D can handle?
A4: The YH11060D can handle a maximum load current of 3A. Ensure proper thermal management when operating at high currents.