HLK-LD1020 HLK-LD1020A --EngrWorld

HLK-LD1020 is a micro/motion sensing module designed based on an X-band radar chip, with a center frequency of 10.525GHz. The module is designed with a fixed-frequency, directional transmitting and receiving antenna (1T1R), integrating functions such as intermediate frequency demodulation, signal amplification, and digital processing, and has capabilities such as delay setting, adjustable sensing range, and light intensity detection. This product has the advantages of not penetrating walls, anti-interference, small size, good clutter and high-order harmonic suppression effects, high stability and consistency. The chip integrates algorithms internally and directly outputs detection results without the need for an external microcontroller. In the module's pulse power supply mode, the power consumption is at the microampere level. This module is mainly targeted at low-cost, low-power application fields.

The product is suitable for embedded concealed installation, and is not affected by temperature/humidity, lampblack, water mist, etc. It can be widely used in various lamps, such as bulb lights, downlights, ceiling lights, etc.; low-power application scenarios, such as video doorbells, peepholes, door locks, low-power cameras, etc.

2. Functional Features

 Based on Doppler radar principle

 The product is positioned for micro/motion sensing scenario applications

 Sensing distance: 2-4m (sensing radius) when mounted at a height, 12 meters (radial) when wall-mounted

 Ceiling-mounted installation, 3dB beam width: 110°±10°

 With light sensing detection capability (optional)

3. Application Scenarios

 Smart lighting: home, office, hotel, campus, etc.

 Home appliances, electrical appliances, etc.

	类型	描述
	产品类型	雷达模块
	制造商	Shenzhen Hi-Link
	品牌	Hi-Link
	封装/规格	15×15×2.4mm，聚合物材质
	传感器模块类型	10.525GHz 磁敏数字雷达传感器（多普勒雷达 / 微运动感知）
	工作电压（Vin)	4.0~15.0V
	工作电流	16mA（Max，VCC=3.3~12.0V）
	接口类型	数字输出接口（3.3V 电平）
	工作温度	-20℃~+70℃

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