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Bias and control

Bias and control devices for wireless infrastructure

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Overview

Infineon's bias and control ICs are used to bias radio-frequency power amplifiers by generating accurate voltages with high-precision digital-to-analog converters (DACs). In addition, they support a multitude of functionalities to monitor the power amplifier voltages, currents, and temperatures to keep the device in an ideal operating condition.

Key Features

  • Optimized for Doherty PAs
  • Positive and negative output range
  • Integrated clamping switches
  • Integrated clamping buffers
  • Integrated temperature sensor
  • I3C and I2C control interfaces

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About

Bias and control ICs

Infineon's bias and control ICs are used to bias radio-frequency power amplifiers by generating accurate voltages with high-precision DACs. In addition, they support a multitude of functionalities to monitor the power amplifier voltages, currents, and temperatures to keep the device in an ideal operating condition.

Positive and negative output range for LDMOS and GaN PAs

The DACs are organized in two groups with independent supplies and can be operated with positive and negative supply voltages in order to bias LDMOS and GaN transistors.

Integrated clamping switches and buffers for fast TDD operation

Infineon's bias and control ICs incorporate integrated clamping switches and buffers, designed to enable rapid time division duplex (TDD) operation. This comprehensive integration does not require external switch components, leading to significant savings in both cost and space. The embedded switches enable fast switching within a timeframe of <1 ?s.

Integrated 60 V ADC for PA current and voltage measurements

Infineon's bias and control ICs have an integrated 60 V analog-to-digital converter (ADC) for power amplifier (PA) current and voltage measurements. External voltage dividers or separate ADC components are not required, resulting in a simplified analog front-end.

Temperature sensor and fast I3C and I2C serial interfaces

Infineon's bias and control ICs feature an integrated temperature sensor to perform valuable temperature compensation. In addition, the high-speed I3C serial interface ensures an efficient DAC setting.

Bias and control ICs

Infineon's bias and control ICs are used to bias radio-frequency power amplifiers by generating accurate voltages with high-precision DACs. In addition, they support a multitude of functionalities to monitor the power amplifier voltages, currents, and temperatures to keep the device in an ideal operating condition.

Positive and negative output range for LDMOS and GaN PAs

The DACs are organized in two groups with independent supplies and can be operated with positive and negative supply voltages in order to bias LDMOS and GaN transistors.

Integrated clamping switches and buffers for fast TDD operation

Infineon's bias and control ICs incorporate integrated clamping switches and buffers, designed to enable rapid time division duplex (TDD) operation. This comprehensive integration does not require external switch components, leading to significant savings in both cost and space. The embedded switches enable fast switching within a timeframe of <1 ?s.

Integrated 60 V ADC for PA current and voltage measurements

Infineon's bias and control ICs have an integrated 60 V analog-to-digital converter (ADC) for power amplifier (PA) current and voltage measurements. External voltage dividers or separate ADC components are not required, resulting in a simplified analog front-end.

Temperature sensor and fast I3C and I2C serial interfaces

Infineon's bias and control ICs feature an integrated temperature sensor to perform valuable temperature compensation. In addition, the high-speed I3C serial interface ensures an efficient DAC setting.

Developer community

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