Overview
The AFE031AIRGZR from Texas Instruments is a low-cost, integrated powerline communications (PLC) analog front-end (AFE) device. It is designed for capacitive- or transformer-coupled connections to the powerline and is controlled by a DSP or microcontroller. This device is ideal for driving low-impedance lines that require up to 1.5 A into reactive loads. The AFE031 provides high reliability in demanding powerline communications applications and operates over an extended industrial junction temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Amplifier Supply Voltage (PA_VS) | 7 | 24 | V | ||
| Digital Supply Voltage (DVDD) | 3.0 | 3.6 | V | ||
| Analog Supply Voltage (AVDD) | 3.0 | 3.6 | V | ||
| Output Current (Continuous) | 1.5 | A | |||
| Output Voltage Swing | IO = 1.5 A, sourcing | 1.7 | 2 | V | |
| Receive Sensitivity | CENELEC Band A | 20 | μVRMS | ||
| Package Type | 48-Pin QFN PowerPAD™ | ||||
| Junction Temperature Range | –40 | +125 | °C |
Key Features
- Integrated powerline driver with thermal and overcurrent protection
- Conforms to EN50065-1 and is PRIME certified
- Large output swing: 12 VPP at 1.5 A (15-V supply)
- Low power consumption: 15 mW (receive mode)
- Programmable Tx and Rx filters and gain control
- Supports EN50065 CENELEC bands A, B, C, D and protocols like FSK, S-FSK, and OFDM
- Four-wire serial peripheral interface (SPI)
- Two integrated zero crossing detectors and two-wire transceiver buffer
- Extended junction temperature range: –40°C to +125°C
Applications
- eMetering
- Lighting
- Solar
- Pilot wire
Q & A
- What is the primary function of the AFE031AIRGZR?
The AFE031AIRGZR is an integrated powerline communications (PLC) analog front-end (AFE) device designed for driving low-impedance lines in powerline communications applications.
- What are the key protection features of the AFE031AIRGZR?
The device includes thermal and overcurrent protection, and it also provides an adjustable current limit and interrupt output for current and thermal limits.
- What is the output voltage swing capability of the AFE031AIRGZR?
The device can achieve a 12 VPP output swing at 1.5 A with a nominal 15-V supply.
- What communication protocols does the AFE031AIRGZR support?
The device supports protocols such as FSK, S-FSK, and OFDM, and it is compliant with EN50065 CENELEC bands A, B, C, D.
- What is the power consumption of the AFE031AIRGZR in receive mode?
The power consumption in receive mode is 15 mW.
- What type of package does the AFE031AIRGZR come in?
The device is housed in a 48-Pin QFN PowerPAD™ package.
- What is the junction temperature range of the AFE031AIRGZR?
The device operates over an extended industrial junction temperature range of –40°C to +125°C.
- What are the typical applications of the AFE031AIRGZR?
The device is used in applications such as eMetering, lighting, solar, and pilot wire.
- How does the AFE031AIRGZR manage power dissipation?
The device can optimize power dissipation through the four-wire serial peripheral interface (SPI), enabling or disabling each functional block as needed.
- What is the receive sensitivity of the AFE031AIRGZR?
The receive sensitivity is typically 20 μVRMS.
