GXSC Precision Signal Chain Chip Solutions, Software/Hardware Compatible with TI and ADI

In this article, for the market demand for highly integrated, high-precision ADC chips, industrial automation, new energy battery management and geophysical exploration applications, to introduce several precision signal chain chip products complete solutions. 

I. Industrial automation:

1、24bit/16bit, 4~16 channels, highly integrated high precision AFE  

-Initial accuracy 0.05% & temperature drift 8ppm/°C internal reference

-Better than 0.1% match dual constant current source

-High performance low noise PGA with 0.02% initial accuracy

Meet the 0.1% calibration-free accuracy of the customer‘s entire machine

2、24bit/16bit, ±12V input high integration AFE

-Single 5V power supply to achieve ± 12V input, and provide up to ± 40V input protection

-Support ± 10V and 0 ~ 20mA 0.1% non-calibrated measurement

-Supports true 0V line break detection

Support real-time online monitoring and alarm function

3, high precision low temperature drift SOT23-6 / SOT23-3 package voltage reference

-Initial accuracy ±0.08% (maximum) / ±0.15% (maximum)

-Temperature drift 8ppm/°C / 15ppm/°C

-Quiescent current as low as 125μA

Long-term stability: 45 ppm/1000hrs

-Output voltage (VOUT): 1.25V, 1.8V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V

4, the industry‘s common 4051, 4052 multiplexer (analog switch)

-Wide voltage range: 2.7~16V or ±8V

-Low on-resistance: 60Ω -Low capacitance: 3pF

-Compatible with 1.8V logic levels

-ESD protection HBM: 2000V

Second, new energy vehicle and energy storage system battery management:

In the new energy BMS applications, this paper introduces a BMS-AFE and daisy-chain communication bridge for new energy vehicles, large-scale energy storage/industrial and commercial energy storage battery management system, has been and new energy vehicle manufacturers/Tier1, and the domestic head of the energy storage integrators to carry out cooperation:

1、18 series power battery monitoring AFE

  -Supports up to 63 AFE cascades

  -Maximum input withstand voltage value up to 120V

  -Measurement accuracy (Typ.): ±1mV

  -12 channels GPIO or analog input

  -Supports up to 300mA internal equalization current and external equalization control.

  Support any hot-swap

  -Flexible support for BUSBAR applications

  -Supports the system to pass the highest level of BCI/EFT and other standard tests.

  -AEC-Q100 certified

  -Support functional safety level ASIL-D

  2、Bidirectional daisy chain communication bridge chip

  -Isolated differential daisy chain communication: support transformer/capacitor isolation

  -Optimized design for BCI/EMI/EMC performance

  -Shutdown current ~7.5μA

  -AEC-Q100 certified

  -Supports functional safety level ASIL-D.

C. Geophysical exploration and seismic monitoring:

Ultra-high resolution geophysical exploration AFE chip, has been in the head and a number of small and medium-sized customers to complete field verification and large-scale shipments.

1, 32-bit ultra-high resolution geophysical exploration AFE

-Ultra-low power consumption: 18mW (PGA=1/2/4/8)

-Dynamic range: 129dB (250 SPS, PGA=1)

-High common mode rejection ratio CMRR: ≥110dB

-Typical Distortion THD: -125dB