UFC Solution for Gas & Water Meters
The AS6040 system is made of four major blocks: supervisor, frontend, post processing and interface. The supervisor manages all tasks and is the master of the whole system, making the AS6040 autonomous.The frontend integrates a high-voltage driver, an integrated PGA and an offset-stabilized comparator in the receive path, a precision TDC for the time-of-flight measurement, amplitude measurement as well as an RDC unit for temperature measurement. In flow meter mode, the 32-bit CPU in combination with 4k of ROM code and 4k of NVRAM does the post processing for flow calculation. In time conversion mode the CPU is not active and the chip sends the raw time-of-flight data. It communicates to an external microcontroller via SPI interface. By means of the integrated pulse interface the AS6040 can run also in stand-alone mode.
The analog front-end is supported by an integrated charge pump to provide a programmable fire voltage in the range from 6 V o 17 V with a frequency from 50 kHz up to 1 MHz. The integrated PGA gain factor can be adjusted from 2 to 250. The first hit level detection starts with a programmable offset up to 220mV. After this is set down to 0 mV, the AS6040 can measure up to 31 zero crossings within a single receive burst. The front end achieves in single shot less than 300 ps rms noise single shot with good 500kHz transducers. The first-hit pulse width information and the amplitude can be used to regulate the first hit level, but also to get information about situations with bubbles or empty tubes. It comes in a compact QFN48 package and allows compact designs thanks to a small number of external components.
Description | Version | Size | Download |
---|---|---|---|
Datasheet AS6040 Vol. 1: Ultrasonic Flow Meter for Gas & Water Meters | V0.1 | 1.2MB | AS6040-sc-000854-ds-2-1.pdf |
Datasheet TDC-GP30 Vol. 1: System-Integrated Solution for Ultrasonic Flow Meters General Data and Frontend Description | V0.1 | 1.2MB | DB_GP30_Vol1.pdf |
Datasheet TDC-GP30 Vol. 2: System-Integrated Solution for Ultrasonic Flow Meters CPU, Memory and Firmware | V0.0 | 1.3MB | DB_GP30_Vol2.pdf |
Datasheet TDC-GP30 Vol. 3: System-Integrated Solution for Ultrasonic Flow Meters: User Manual | V0.0 | 1.3MB | DB_GP30_Vol3.pdf |
Datasheet TDC-GP30 Vol. 4: Firmware, Memory and ROM Overview: User Manual | V0.5 | 2MB | DB_GP30_Vol4_en.pdf |
Datasheet TDC-GP22 Eval System: Evaluation System for TDC-GP22 | V0.2 | 5.3MB | DB_GP22-EVA_en.pdf |
Datasheet TDC-GP22: Universal 2-Channel TDC-GP22 dedicated to Ultrasonic Heat & Water Meters | V0.9 | 4MB | DB_GP22_en.pdf |
Datasheet TDC-GP21 Eval System: Evaluation System for TDC-GP21 | V0.0 | 5.3MB | DB_GP21-EVA_en.pdf |
Datasheet TDC-GP21: Universal 2-Channel TDC-GP21 | V1.6 | 4MB | DB_GP21_en.pdf |
Development Support TDC-GP30: Eval Kit Manual for TDC-GP30 | V1.0 | 2.5MB | GP30Y-EVA-KIT.pdf |
Development Support TDC-GP30: Demo Kit Manual for TDC-GP30 | V1.0 | 3MB | GP30-DEV-KIT.pdf |
Development Support TDC-GP22: Evaluation System for TDC-GP22 DEMO KIT | V0.0 | 2.4MB | DB_GP22-DEMO_en.pdf |
Development Support TDC-GP22: Evaluation System for TDC-GP22 | V0.2 | 2.8MB | DB_GP22-EVA_en.pdf |
Development Support TDC-GP21: Evaluation System for TDC-GP21 | V0.0 | 5.3MB | DB_GP21-EVA_en.pdf |
Description | Version | Size | Download |
---|---|---|---|
Application Note: TDC-GP30 External circuit for gas meters | V1.01 | 2MB | GP30 Application note Gas Meter.pdf |
Application Note: TDC-GP30-F01 Scaling calibration coefficients by 2-point calibration | V1.01 | 1.5MB | GP30-F01 Application note 2pt Calibration.pdf |
Application Note 032: Ultrasonic Water & Heat Metering with the TDC-GP22 | V1.2 | 1.5MB | AN032_en.pdf |
Application Note 029: Ultrasonic Heat Metering with the TDC-GP21 | V1.1 | 3.6MB | AN029_en.pdf |
Description | Version | Size | Download |
---|---|---|---|
Screencast TDC-GP30-F01: 2-Point Calibration with ams/acam Firmware Scaling calibration coefficients by 2-point calibration | 9MB | GP30_SUMTOF_Cal.zip |
Description | Version | Size | Download |
---|---|---|---|
Software AS6040 Evaluation Software for UFC AS6040 | V1 | 2.94MB | UFCEvaluationSoftware v1.0.0.zip |
Software TDC-GP30 / TDC-GP30-F01 Software package for GP30 Demo Kit | V1.6.0 | 204MB | acam_GP30-DEMO-KIT.zip |
Software TDC-GP30-F01 Calibration Engine for GP30 | V5.0 | 169MB | acam_GP30y_Calibration_Installer.zip |
Software TDC-GP30-F01 Open part of the acam Firmware A1.A2.11.03 | A1.D2.x | 259KB | acam_FW_A1.A2.11.XX.zip |
Software TDC-GP30-F01 Open part of the acam Firmware A1.D2.11.04 | A1.D2.x | 35KB | acam_FW_A1.D2.11.04.zip |
Software TDC-GP22: Software package for GP22-EVA-KIT | V1.9 | 111MB | CD-GP22-EVA-XP-WIN7.zip |
Software TDC-GP22: STM32 µC Sample code | 34k | GP22_main_AN032.c | |
Software TDC-GP21: Software package for GP21-EVA-KIT | V3.9 | 104MB | CD-GP21-EVA-XP-WIN7.zip |
Software PICOPROG V3.0(V2.0): Driver Installer Stand Alone | R12 | 5MB | PicoProg_v2_Driver_Installer_Stand-Alone_r11.zip |
Type | Part number | Package | RoHS compl. | Shipping package |
---|---|---|---|---|
TDC-GP22: | ||||
TDC-GP22 | MNR 1949 | QFN32 | Yes | Tray |
TDC-GP22 | MNR 1950 | QFN32 | Yes | Tape & Reel (5k) |
GP22-EVA-KIT | MNR 1951 | System | Yes | Box |
GP22-DEMO-KIT | MNR 1979 | System | Yes | Box |
TDC-GP21: | ||||
TDC-GP21 | MNR 1839 | QFN32 | Yes | Tray |
TDC-GP21 | MNR 1720 | QFN32 | Yes | Tape & Reel (3K/5K) |
GP21-EVA-KIT | MNR 1781 | System | Yes | Box |
TDC-GP2: | ||||
TDC-GP2 | MNR 1058 | QFN32 | Yes | Tray |
TDC-GP2 | MNR 1480 | QFN32 | Yes | Tape & Reel (2k) |
TDC-GP1: | ||||
TDC-GP1 | MNR 278 | TQFP44 | Yes | Tray |
TDC-GPX: | ||||
TDC-GPX | MNR 975 | TQFP100 | Yes | Tray |
TDC-GPX-FG | MNR 1089 | TFBGA120 | Yes | Tray |