Power Supply | LK Tronics

24V to 12V 10A DC Voltage Step Down Converter

lahiru Dhananjaya — Wed, 07 Jun 2023 02:14:43 +0000

LK Tronics
24V to 12V 10A DC Voltage Step Down Converter

24V to 12V 10A DC Voltage Step Down Converter

General Information

Type: DC-DC Step-Down Converter
Input Voltage Range: 24V – 30V DC
Output Voltage: 12V DC (±1% precision)
Output Current: 10A (maximum)
Output Power: 120W

Efficiency and Performance

Conversion Efficiency: Up to 96% (under optimal conditions)
Ripple Voltage: ≤50mV (low noise output)
Load Regulation: ±0.5%
Line Regulation: ±0.2%

Protection Features

Overcurrent Protection: Automatic shutdown or current limiting
Overvoltage Protection: Internal circuitry safeguards against surges
Overheat Protection: Auto shutdown when temperature exceeds threshold
Short Circuit Protection: Built-in with auto recovery

Physical Specifications

Cooling Method: Passive cooling (aluminum heatsink) or active cooling (fan, depending on model)
Dimensions: Approximately 74mm x 74mm x 32mm (varies by manufacturer)
Weight: 220g – 300g
Material: Durable aluminum alloy housing for heat dissipation and protection

Operating Conditions

Operating Temperature: -40°C to +80°C (with derating above 55°C)
Storage Temperature: -40°C to +125°C
Humidity: 0% to 95% RH (non-condensing)

Input and Output Interfaces

Input Terminal: pigtail wires (18 AWG recommended)
Output Terminal: pigtail wires (18 AWG recommended)

Certifications and Compliance

EMI/EMC Compliance: Meets CE/FCC/ROHS standards
Safety Standards: Compliant with ISO 7637-2 for automotive applications

Additional Features

LED Indicator: Power and status indication
Mounting Options: Screw-hole mountable or adhesive tape
Wide Compatibility: Suitable for automotive, industrial, marine, and LED applications

Applications

Automotive electronics (dash cams, GPS, car stereo systems, etc.)
LED lighting and low-power devices
Industrial equipment requiring 12V power from 24V systems
Battery-powered systems and solar setups

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24V to 12V 10A DC Voltage Step Down Converter
lahiru Dhananjaya

TTL to RS485 Power Supply Converter Board

Ashen Premathilake — Thu, 02 Jan 2020 10:36:05 +0000

LK Tronics
TTL to RS485 Power Supply Converter Board

TTL to RS485 Power Supply Converter Board

This transmitter module implements the mutual conversion between TTL signal and RS485 signal, but we must be mindful that 485 is a half-duplex communication, which can achieve two-way communication, but not in both directions at the same time; it must be carried out alternately. In other words, each section of the communication channel can be the sender or the receiver, but at the same time, information.

There can only be one transmission direction.It realizes the automatic flow control of RS485 signal and the automatic switching of receiving and receiving directions. It is as simple to use this module as you operate the serial port.

Baud rate: 110-256000 BPS.

Features:

Wide voltage supply (3.0V~30V), limit voltage 33V, recommended to use within 30V, the minimum voltage should be higher than 2.8V.

Compatible with 3.3V and 5.0V signals, both can match the module.

Excellent EMC and EMI performance.

Strong anti-jamming ability, and strong 485 lightning protection design, working temperature is – 40 C to + 85 C.

With terminal and silicone wire, it is very convenient to use.

With RXD and TXD signal indicators.

This module fully considers the lightning protection design and anti-interference design of 485 bus. It has very high EMC (electromagnetic compatibility) and EMI (electromagnetic anti-interference) performance. When long-distance transmission in the field, connecting the “earth” end of the module to the earth can play a very good anti-interference and anti-lightning role, making 485 bus safer; indoor short-distance transmission can not access the earth.

With standard 2.54 spacing needle arrangement, it is convenient for your secondary development.

With 120 Euro matching resistance, short R0 can make matching resistance possible, and short R0 is recommended for long-distance transmission.

Supporting multi-machine communication, the same network can connect at least 40 nodes.

Hot plugging can be done without signal blocking.

Anti-interference routing and copper laying to prevent interference of signals.

Package included:

1 x TTL to RS485 Module
1 x Cable

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TTL to RS485 Power Supply Converter Board
Ashen Premathilake

Li- ion/ polymer balance Charger

Ashen Premathilake — Wed, 14 Aug 2019 16:13:13 +0000

LK Tronics
Li- ion/ polymer balance Charger

Li- ion/ polymer balance Charger
Ashen Premathilake