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AT58LP1T1RDC (AT5815C)

Ultra-low power consumption (13–188 µA), direct output of control signals, ideal for battery-powered products with higher demands on power efficiency and performance.

5.8GHz series chips

AT58LP1T1RDC (AT5815C)

Product Features

Operating in the 5.8 GHz ± 75 MHz frequency band, this ultra-low-power (13–188 µA) fully integrated microwave sensor chip adopts an ultra-low-power architecture. The chip features a built-in signal processor that can directly output sensing control signals. With just a few external components, it can easily form a complete microwave sensing sensor. This chip meets the ultra-low-power requirements of battery-powered applications and is one of the top choices for upgrading and replacing traditional infrared pyroelectric sensors. Compared to the previous generation, it boasts lower power consumption, more flexible power adjustment, and stronger anti-interference capability.

Application scenarios

• Smart Lighting
• Security & Surveillance
• Smart Healthcare & Wellness
• Home Appliances & Electronics
• Bathroom

Product Specifications

Product Specifications


Basic InformationFrequency range: 5.725–5.875 GHz 
Modulation mode: CW 
Channel count: 1T1R
RF parametersTransmit power: -2 dBm @ Max; RF power is adjustable. 
Noise figure: 11 dB
Signal ProcessingMid-frequency bandwidth: 1 kHz
Application SystemCPU: Algorithm hardening
InterfaceI2C: x1 
GPO: x1
AntennaOnboard
Power supplyVoltage range: 2.5–4.8V 
Current: Peak ~14mA, Avg: 13μA ~ 188μA (adjustable) 
Ultra-low power consumption: Yes
OtherPackage: QFN20 2.5x2.5mm 
Operating temperature range: -20 ~ +85℃ 
Certifications met: FCC, CE, SRRC, KC, and others

Module Reference Design


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Module size

Sensor model

Operating frequency band

Modulation method

EIRP

RF channel

Supply voltage

Operating current

Output interface

Installation method

Detection angle

Detection range

Implement functionality

Application scenarios

5.8G Low-Power Module AT58L4LDC-2020

20mm × 20mm

AT5815C (AT58LP1T1RDC)

5.8GHz (5.725–5.875GHz)

CW

Maximum 0dBm

1T1R

5V

As low as around 13uA, with adjustable operating current.

IF/GPIO

Straight-line installation, wall-mounted installation

Horizontal ±60° × Vertical ±60°

Straight line: 6–8 m; hanging height: 3 m; radius: 4–6 m

Motion sensing

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