AFE032 Low-cost, integrated, powerline communications (PLC) analog front-end for driving low-impedance line | TI.com

AFE032 (ACTIVE) Low-cost, integrated, powerline communications (PLC) analog front-end for driving low-impedance line

Low-cost, integrated, powerline communications (PLC) analog front-end for driving low-impedance line - AFE032
Datasheet
 

Description

The AFE032 is a low-cost, integrated, power-line communications (PLC), analog front-end (AFE) device capable of transformer-coupled connections to the power-line while under the control of a digital signal processor (DSP) or microcontroller. This device is ideal for driving high-current, low-impedance lines up to 1.9 A into reactive loads.

The integrated receiver is able to detect signals down to 10 µVRMS (G3-FCC mode) and is capable of a wide range of gain options to adapt to varying input-signal conditions. The monolithic integrated circuit provides high reliability in demanding power-line communication applications.

The AFE032 transmit power amplifier operates from a single supply in the range of 7 V to 24 V. At typical load current (IOUT = 1.5 APEAK), a wide output swing provides a 12-VPP capability with a nominal 15-V supply.

The device is internally protected against overtemperature and short-circuit conditions. The device also provides a selectable current limit. An interrupt output is provided, indicating current limit, thermal limit, and undervoltage. A shutdown pin is also available, and can be used to quickly place the device into the lowest-power state. Each functional block can be enabled or disabled to optimize power dissipation through the serial peripheral interface (SPI).

The AFE032 is housed in a thermally-enhanced, surface-mount, PowerPAD, QFN-48 package. Operation is specified over the extended industrial junction temperature range of –40°C to +125°C.

Features

  • Supports:
    • CENELEC Bands A, B, C, D
    • ARIB STD-T84, FCC
    • FSK, SFSK, and NB-OFDM
  • Conforms To:
    • EN50065-1, -2, -3, -7
    • FCC, Part 15
    • ARIB STD-T84
  • Standards:
    • G3, PRIME, P1901.2, ITU-G.hnem
  • Programmable Tx Low-Pass Filters and
    Rx Band-Pass Filters
  • Integrated Power-Line Driver with Thermal
    and Overcurrent Protection
  • Low-Power Consumption:
    • 50 mW (Receiver Mode)
  • Receive Sensitivity: 10 µVRMS (Typ)
  • Four-Wire SPI Interface
  • Three Integrated Zero-Crossing Detectors
  • Package: QFN-48 PowerPAD
  • Extended Temperature Range:
    –40°C to +125°C

Parametrics

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Part number Order Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) Output current (Typ) (mA) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Iq per channel (Typ) (mA) Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) Rail-to-rail Architecture
AFE032 Order now 1     7     24     1900     3.8     75     78     Shutdown
Adj Current Limit    
Catalog     -40 to 125     VQFN | 48     48VQFN: 49 mm2: 7 x 7 (VQFN | 48)     No     FET