Heat Cost Allocator with wM-Bus at 868 MHz Reference Design
TIDA-00838
(ACTIVE)
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Key Document
Description
The TIDA-00838 reference design implements a heat cost allocator system following the EN834 standard with the “two-sensor measurement method". The solution achieves better than 0.5 degrees Celsius accuracy across a range of +20 to +85°C. Two analog temperature sensors are available as matched pairs to eliminate the need for calibration during manufacturing and lowering OEM system cost. Wireless MCU offers wM-Bus support for S-, T- and C-modes (Meter device) at 868MHz and controls the two temperature sensors.
Features
- Highly accurate temperature sensing across environment conditions: better than 0.5 degrees from +20 to +85°C.
- CC1310 SimpleLink(TM) Wireless MCU provides single-chip solution for heat measurement and RF communications
- Sensor Controller interfaces seamlessly to two matched LMT70A, which eliminate the need for calibration during manufacturing and lower OEM system cost
- Example source code for wM-Bus @868 MHz transmission for S, T and C-modes (“Meter” device) under TI RTOS
- Cost-optimized 2-layer PCB in HCA form factor and a 96-segments 4-MUX LCD
- Cap Touch button on the PCB for LCD on/off
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Schematic/Block Diagram
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Design Guide
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TI Devices (3)
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CAD/CAE symbols
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Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
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Technical Documents
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Application notes (1)
| Title | Type | Size (KB) | Date |
| | PDF | 3596 |
23 Oct 2018
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User guides (1)
| Title | Type | Size (KB) | Date |
| | PDF | 1785 |
21 Jan 2016
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White papers (1)
| Title | Type | Size (KB) | Date |
| | PDF | 728 |
11 May 2017
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Design files (7)
| | ZIP | 587 |
15 Dec 2015
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| | ZIP | 983 |
15 Dec 2015
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| | PDF | 2218 |
15 Dec 2015
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| | PDF | 1670 |
15 Dec 2015
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| | PDF | 224 |
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| | PDF | 98 |
15 Dec 2015
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| | PDF | 476 |
15 Dec 2015
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