QPK1520
Octal GaN gate driver with programmable bias and sequencing
The QPK1520 is a high-speed, multi-channel GaN gate bias controller designed to provide precise, programmable gate control, sequencing, and temperature compensation for RF power amplifiers and low-noise amplifiers.
When used with the QPK1521 SPDT switch driver and QPK1522 drain controller, it forms a complete bias control chipset that enables fully coordinated gate, drain, and RF path switching in front-end modules and phased array systems. This chipset approach allows designers to implement sub-100 ns TX/RX switching, automated IDQ calibration, and safe bias sequencing, while significantly reducing the complexity and component count of traditional discrete bias networks.
预览
主要特性
- 8-channel programmable gate bias control (PA + LNA support)
- Integrated DACs for independent VON/VOFF settings
- High-speed TX/RX switching with programmable sequencing
- I2C and SPI digital interface for flexible system control
- Built-in temperature compensation for stable bias over environment
- Supports IDQ calibration when paired with drain controller
- ±10 mA gate drive capability
- Compact 5 x 5 mm package optimized for dense array designs
- Integrated READY signal for safe bias operation
- Lockout protection
- Internal and external Fault protection
典型应用
- AESA radar
- Phased array systems
- Electronic warfare
- RF front-end modules (FEMs)
参数
RoHS
Yes
ECCN
EAR99qpk
技术文档
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