Infineon Technologies Bias & Control IC Power Amplifiers

Infineon Technologies Bias and Control IC Power Amplifiers are used to bias radio-frequency power amplifiers by generating accurate voltages with high-precision DACs. In addition, Infineon Technologies Bias and Control IC Power Amplifiers support many functionalities to monitor the power amplifier voltages, currents, and temperature to keep the device in an ideal operating condition.

Features

Eight DACs with 12-bit resolution
Two Current Sense ADCs and 1 Voltage ADCs
Vout range (-7V to 0V or 0V to +7V)
Integrated temperature sensor
Control interface (I²C and I3C)
VQFN-32 (5mm x 5mm2) packaging
Bias and control chip to bias Doherty power amplifiers of two transmit (Tx) channels

Positive and negative output range for LDMOS and GaN PAs
Integrated clamping switches and buffers for fast TDD operation
Integrated 60V ADC for PA current and voltage measurements
Temperature sensor and fast I3C and I²C serial interfaces

Applications

Base stations
Small cells

5G massive MIMO
Distributed Antenna Systems (DAS)

Block Diagram

Block Diagram - Infineon Technologies Bias & Control IC Power Amplifiers

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