In application fields with extremely high performance requirements, such as wireless communication, automotive electronics, radar, and industrial manufacturing, the power management system is the "invisible core" that ensures the stable and efficient operation of equipment.
SDSX, as a national-level technology company in China that integrates the design, research and development, production, and manufacturing of RF microwave chips and modules, and owns independent intellectual property rights, has been committed to in-depth research in key areas such as mobile communication, automotive electronics, and industrial manufacturing since its establishment in 2017. With a solid technical foundation and innovation capabilities, the company has now launched a new generation of power management series chips, providing industry users with more efficient, stable, and reliable power management solutions.
Four Major Product Matrices Covering Diverse Power Management Needs
For extremely complex electronic systems, SDSX has launched four major categories of power management chips, which are applied in wireless communication equipment, radar systems, instruments and meters, and other fields, empowering various intelligent terminals and industrial systems.
Gate Voltage Driver Chips | Precise Voltage Regulation for Efficient RF Systems
For GaN amplifier gate voltage control, SDSX has introduced three high-performance gate voltage driver chips: SX8104, SX8103, and SX8104-A.
SX8104: A silicon-based gate voltage control chip with a 6-bit voltage regulation function, covering a range from -0.5V to -3.65V with a step size of 50mV. The control pins are internally pulled down to a -5V potential, and only need to be bonded to the ground potential during use. This chip features single-channel output and a power supply range not exceeding -5.5V.
SX8103: A silicon-based gate voltage control chip with a 6-bit voltage regulation function, covering a range from -0.5V to -3.65V with a step size of 50mV. The control pins are internally pulled down to a -5V potential, and only need to be bonded to the ground potential during use. This chip features dual-channel output and a power supply range not exceeding -5.5V.
SX8104-A: A silicon-based gate voltage control chip with a 6-bit voltage regulation function and a 3-bit temperature coefficient regulation function, covering a range from -0.5V to -3.65V with a step size of 50mV. The control pins are internally pulled down to a -5V potential, and only need to be bonded to the ground potential during use. This chip features single-channel output and a power supply range not exceeding -5.5V.
Single-channel/dual-channel output options to meet diverse system requirements.
Wide voltage regulation range from -0.5V to -3.65V, easily accommodating various amplifier design schemes.
High reliability design for harsh working environments.
Drain Voltage Modulation Chips | Wide Voltage Input and Ultra-Fast Signal Drive
SDSX has launched four drain voltage modulation chips: SX8002-B, SX8002-C, SX8001, and SX8001-A. These chips support a wide input voltage range from 5V to 40V, with a maximum drive capability of up to 2A per channel, and offer excellent high-speed response characteristics to enable more efficient signal modulation and control in RF systems.
SX8002-B: A single-channel drain voltage modulation chip based on silicon process, mainly composed of level shift circuit, TTL logic conversion circuit, and drive circuit. It converts TTL levels to CMOS levels, features negative voltage protection enable and adjustable negative voltage delay, can drive up to 1A load, and is equipped with independent output phase and anti-phase adjustable functions.
SX8002-C: A dual-channel drain voltage modulation chip based on silicon process, mainly composed of level shift circuit, TTL logic conversion circuit, and drive circuit. It converts TTL levels to CMOS levels, with each channel independently controllable or paralleled, featuring negative voltage protection enable and adjustable negative voltage delay, capable of driving up to 1A per channel, and equipped with independent output phase and anti-phase adjustable functions.
SX8001: A dual-channel drain voltage modulation chip based on silicon process, mainly composed of level shift, TTL logic conversion circuit, and drive circuit. It controls the overall negative voltage enable and individual negative voltage enable for two channels, converts TTL signals to CMOS signals, with Channel A outputting 0.5A and Channel B outputting 2A.
SX8001-A: A 28V drain voltage control chip based on silicon process, mainly composed of negative voltage protection, TTL logic conversion circuit, and drive circuit. It features negative voltage protection enable, converts TTL signals to VDD~VDD-12V voltage for driving high-voltage PMOS power transistors, and has a drive capability of 1.5A.
TTL to CMOS level conversion, with built-in negative voltage protection and adjustable delay.
Single/dual-channel design, supporting independent control or parallel output of multiple channels.
High-speed performance with fast rise/fall times to meet the needs of high-speed load switching.
Switch Driver Chips | High Frequency, Low Latency, and Precise GaN Device Drive
For high-frequency power device control, SDSX has introduced four high-performance switch driver chips: SX8300, SX8301, SX8300-D, and SX8302. These chips support a wide power supply range from -40V to +32V, specifically designed for GaN FETs and other high-reliability power devices, meeting stringent signal control and fast switching requirements.
SX8300: A single negative supply (-28V) 1-in-2-out switch driver chip. It controls one complementary output (0V to -28V) through a single TTL signal (0~5V). When the input is high, the in-phase output is high (0V) and the anti-phase output is low (-28V); when the input is low, the in-phase output is low (-28V) and the anti-phase output is high (0V). (Additionally, a dual supply version with -5V and -28V is available.)
SX8301: A single negative supply (-5V) 1-in-2-out switch driver chip. It controls one complementary output (0V to -5V) through a single TTL signal (0~5V). When the input is high, the in-phase output is high (0V) and the anti-phase output is low (-5V); when the input is low, the in-phase output is low (-5V) and the anti-phase output is high (0V).
SX8300-D: A single positive supply (+28V) 1-in-2-out switch driver chip. It controls one complementary output (0V to +28V) through a single TTL signal (0~5V). When the input is high, the in-phase output is high (+28V) and the anti-phase output is low (0V); when the input is low, the in-phase output is low (0V) and the anti-phase output is high (+28V). (Additionally, a dual supply version with +5V and +28V is available.)
SX8302: A dual negative supply (-5V, -40V) 2-in-8-out switch driver chip. It controls four complementary outputs (0V to -40V) through two TTL signals (0~5V) for channel selection. The selected channel's in-phase output is high (0V), and the remaining channels' in-phase outputs are low (-40V); the selected channel's anti-phase output is low (-40V), and the remaining channels' anti-phase outputs are high (0V).
Support for up to 10MHz operating frequency with system latency as low as 35ns for ultra-fast response.
Flexible power supply options, supporting positive/negative voltage and single/dual power supply designs.
Excellent stability to enable precise switch control in complex systems.
Low Dropout Linear Voltage Regulators | Stable Power Supply and System Safety
SDSX has launched two low dropout linear voltage regulators: SX8200 and SX8200-A, supporting 2A high-current output with excellent low dropout characteristics. They integrate overcurrent, overtemperature protection, and enable control to provide safe and stable voltage output, ensuring the long-term stable operation of terminal systems.
