LTP5900IPC-WHMA#PBF - SmartMesh WirelessHART Mote 2.4GHz | ADI
MPN: LTP5900IPC-WHMA#PBF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $47.5 | $47.50 |
| 10 | $44.2 | $442.00 |
| 50 | $41.85 | $2,092.50 |
| 100 | $39.4 | $3,940.00 |
| 500 | $35.6 | $17,800.00 |
LTP5900IPC-WHMA#PBF Overview
A WirelessHART mote is a self-managing, low-power radio node used to build self-forming, self-healing mesh networks for process automation. Within the broader taxonomy, the LTP5900-WHM sits at the intersection of an IEEE 802.15.4 transceiver SoC (system-on-chip), an embedded wireless MCU module, and an industrial-grade sensor-networking appliance. Compared with proprietary RF modules, WirelessHART layers standard IEC 62591 channel hopping and time-synchronized mesh scheduling on top of IEEE 802.15.4e, giving deterministic latency, AES-128 encryption, and full interoperability with any HART host system.
Key technical features include 16 selectable 2.4 GHz channels, a transmit output power up to 8 dBm with receiver sensitivity of -95 dBm (typical), an integrated ARM Cortex-M3 core running SmartMesh WirelessHART network stack, secure AES-128 link-layer encryption, and over-the-air firmware upgrade capability. The module carries FCC, IC, ETSI, Telec, and ARIB radio certifications, eliminating the customer's own RF compliance burden for global deployments. Time-synchronized channel hopping provides deterministic latency and sub-millisecond time synchronization across the mesh.
Typical applications include wireless process monitoring in petrochemical and oil-and-gas plants, wireless temperature, pressure, and flow sensor nodes, condition monitoring on rotating equipment, environmental monitoring, and any brownfield HART instrumentation installation where running new cable is impractical. The module's ultra-low-power duty-cycled radio and embedded mesh stack allow battery-powered motes to run for years on primary cells.
Design considerations when using the LTP5900IPC-WHMA#PBF include providing a regulated 2.1 V to 3.6 V DC supply, routing the MMCX antenna trace correctly, observing the host-board keep-out area under and around the on-board chip antenna path, and following the reference schematic in the manufacturer datasheet. Antenna selection, matching network, and enclosure material strongly influence RF range and must be evaluated against the SmartMesh Power and Performance Estimator tool before final qualification.
This page synthesizes distributor pricing for the 22-pin WHM-A variant, drop-in comparison against related SmartMesh modules (LTP5901-WHM with chip antenna, LTP5902-WHM with MMCX connector), and practical design notes for industrial WirelessHART deployment not consolidated in any single distributor listing.
Drop-in alternatives for LTP5900IPC-WHMA#PBF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with LTP5900IPC-WHMA#PBF (same form factor and footprint) — differing in Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LTP5901IPC-WHMA#PBF
✅ Drop-In📋 Reference alternative (not in catalog)
LTP5902IPC-WHMA#PBF
✅ Drop-In✓ In Stock
$32.5 / Unit
View Datasheet →LTP5900IPC-WHMA1A2#PBF
✅ Drop-In📋 Reference alternative (not in catalog)
LTP5900IPC-WHMA1B2#PBF
✅ Drop-In📋 Reference alternative (not in catalog)
LTP5900IPC-WHMA2A2#PBF
✅ Drop-In📋 Reference alternative (not in catalog)
LTP5900IPC-WHMA#PBF Specifications (manufacturer-published)
| Product Type | Wireless Mote Module (WirelessHART) |
| Manufacturer Family | Eterna (SmartMesh WirelessHART) |
| Wireless Standard | IEEE 802.15.4 / WirelessHART (IEC 62591) |
| Operating Frequency | 2.4 GHz ISM (2400-2483.5 MHz) |
| Number of Channels | 16 |
| Center Frequency (per datasheet) | 2483.5 MHz |
| RF Data Rate | 250 kbps |
| TX Output Power | Up to 8 dBm |
| RX Sensitivity | -95 dBm (typical) |
| Modulation | O-QPSK (IEEE 802.15.4 DSSS) |
| Antenna Interface | MMCX (antenna not included) |
| Microcontroller | ARM Cortex-M3 32-bit |
| Network Stack | Embedded Dust Networks SmartMesh WirelessHART |
| Encryption | AES-128 (link layer) |
| Supply Voltage | 2.1 V to 3.6 V DC |
| Operating Temperature | -40 °C to +85 °C (industrial) |
| Package | 22-pin through-hole module (Tray) |
| Terminal Form | Through-Hole |
| Number of Terminals | 22 |
| Package Shape | Rectangular PCB module |
| Mounting Style | Through Hole |
| Radio Certifications | FCC, IC, ETSI, Telec, ARIB |
| RoHS Status | Compliant (PBF suffix indicates lead-free) |
LTP5900IPC-WHMA#PBF Pin Configuration
| Pin 1 | GND — Ground reference |
| Pin 2 | VDD — Main supply input (2.1 V to 3.6 V) |
| Pin 3 | RESETn — Active-low reset input |
| Pin 4 | GPIO0 — General-purpose I/O 0 (also UART RX in some firmware) |
| Pin 5 | GPIO1 — General-purpose I/O 1 (also UART TX in some firmware) |
| Pin 6 | GPIO2 — General-purpose I/O 2 |
| Pin 7 | GPIO3 — General-purpose I/O 3 |
| Pin 8 | GPIO4 — General-purpose I/O 4 |
| Pin 9 | GPIO5 — General-purpose I/O 5 |
| Pin 10 | GPIO6 — General-purpose I/O 6 |
| Pin 11 | GPIO7 — General-purpose I/O 7 |
| Pin 12 | JTAG_TCK — JTAG clock (ARM Cortex-M3 debug) |
| Pin 13 | JTAG_TMS — JTAG mode select (ARM Cortex-M3 debug) |
| Pin 14 | JTAG_TDI — JTAG data in (ARM Cortex-M3 debug) |
| Pin 15 | JTAG_TDO — JTAG data out (ARM Cortex-M3 debug) |
| Pin 16 | SWDIO — Serial Wire Debug I/O |
| Pin 17 | SWCLK — Serial Wire Debug clock |
| Pin 18 | UART_TX — UART transmit to host |
| Pin 19 | UART_RX — UART receive from host |
| Pin 20 | ANT — RF antenna path (MMCX connector) |
| Pin 21 | GND — Ground reference |
| Pin 22 | NC — Not connected (reserved / mechanical pin) |
Power & Thermal Characteristics
| Power Input | 2.1 V to 3.6 V DC |
| Operating Temperature | -40 °C to +85 °C (industrial) |
Power input and thermal parameters for LTP5900IPC-WHMA#PBF as published by the manufacturer.
Typical Applications
LTP5900IPC-WHMA#PBF is suitable for 6 applications: Wireless Process Monitoring, Wireless Temperature, Pressure, and Flow Sensor Nodes, Condition Monitoring on Rotating Equipment, Environmental and Emissions Monitoring, Brownfield HART Instrumentation Retrofit, Tank Farm and Pipeline Monitoring.
Wireless Process Monitoring
The LTP5900IPC-WHMA#PBF's -95 dBm RX sensitivity and 8 dBm TX power in the 2.4 GHz ISM band make it well-suited to wireless process monitoring on petrochemical and oil-and-gas plants where cabling is impractical. The module's time-synchronized channel hopping per IEC 62591 delivers deterministic latency essential for closed-loop control. Placed on a battery-powered sensor node with a 3.6 V LiSOCl2 cell, the mote typically runs for years without service. Compared with point-to-point RF links, the SmartMesh stack self-forms a self-healing mesh that re-routes around metal obstructions and pipe racks, dramatically improving reliability in dense industrial environments.
Recommended
Wireless Temperature, Pressure, and Flow Sensor Nodes
For wireless temperature, pressure, and flow sensor nodes, the LTP5900IPC-WHMA#PBF integrates the ARM Cortex-M3 application core with the SmartMesh network stack so engineers can focus on sensor signal conditioning rather than RF design. The 2.1 V to 3.6 V supply range is directly compatible with 3.6 V primary cells and energy-harvesting sources, while the AES-128 encryption secures industrial process data end-to-end. The 250 kbps O-QPSK modulation on 16 channels gives ample bandwidth for periodic sensor updates, while sub-millisecond time synchronization across the mesh enables synchronized sampling for diagnostics.
Recommended
Condition Monitoring on Rotating Equipment
The LTP5900IPC-WHMA#PBF supports condition monitoring on rotating equipment such as motors, pumps, and compressors where slip rings or cable harnesses would be impractical. Its MMCX antenna connector accommodates external antennas mounted on the stationary frame, while the embedded SmartMesh stack provides deterministic time-synchronized data delivery for vibration spectrum analysis. With 8 dBm output and -95 dBm sensitivity, the mesh delivers robust coverage across rotating machinery enclosures. Unlike BLE or Wi-Fi, WirelessHART was specifically designed for industrial environments with metal obstructions and high electrical noise.
Recommended
Environmental and Emissions Monitoring
The LTP5900IPC-WHMA#PBF is ideal for environmental and emissions monitoring in remote or hazardous locations, where solar or battery power and self-healing mesh networking eliminate the need for trenching new cable. The module's -40 °C to +85 °C industrial temperature rating and FCC/IC/ETSI/Telec/ARIB pre-certification allow global deployment without RF compliance testing. Combined with gas or particulate sensors, the mote reports data over the SmartMesh WirelessHART network to a gateway and DCS for regulatory reporting. The LTP5900IPC-WHMA's 8 dBm TX power extends range to multi-kilometer outdoor line-of-sight links.
Recommended
Brownfield HART Instrumentation Retrofit
The LTP5900IPC-WHMA#PBF provides a forward-compatible upgrade path for designers using the legacy M2510 PCB module and is ideal for retrofitting brownfield HART installations where 4-20 mA wiring would be expensive or impossible. It interoperates with any WirelessHART gateway (including Emerson 1420 and Pepperl+Fuchs), allowing new wireless instruments to coexist with existing HART field devices. The MMCX antenna interface accommodates high-gain external antennas for retrofits into metal junction boxes or shielded enclosures. The module's industrial temperature rating and pre-certified radio simplify hazardous-location approvals.
Recommended
Tank Farm and Pipeline Monitoring
For tank farm and pipeline monitoring, the LTP5900IPC-WHMA#PBF provides reliable long-range wireless telemetry across large outdoor industrial sites. The 2.4 GHz WirelessHART mesh self-forms and self-heals around tank shadows and pipe racks, while time-synchronized channel hopping avoids interference from plant Wi-Fi and other 2.4 GHz systems. The MMCX connector supports high-gain directional or omnidirectional external antennas mounted on tank roofs or pipeline risers, dramatically extending link margin. With 16 channels and 250 kbps data rate, the mesh carries periodic level, pressure, and leak-detection data with deterministic latency.
Recommended
Recommended Products Summary
Engineering reference data for LTP5900IPC-WHMA#PBF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LTP5901IPC-WHMA#PBF | LTP5902IPC-WHMA#PBF | LTP5900IPC-WHMA1A2#PBF | LTP5900IPC-WHMA1B2#PBF | LTP5900IPC-WHMA2A2#PBF |
|---|---|---|---|---|---|---|
| Package | 22-pin Through-Hole Module (Tray) | 22-pin Through-Hole Module (Tray) - same | 22-pin Through-Hole Module (Tray) - same | 22-pin Through-Hole Module (Tray) - same | 22-pin Through-Hole Module (Tray) - same | 22-pin Through-Hole Module (Tray) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Wireless Standard | IEEE 802.15.4 / WirelessHART | IEEE 802.15.4 / WirelessHART - same | IEEE 802.15.4 / WirelessHART - same | IEEE 802.15.4 / WirelessHART - same | IEEE 802.15.4 / WirelessHART - same | IEEE 802.15.4 / WirelessHART - same |
| Frequency Band | 2.4 GHz ISM | 2.4 GHz ISM - same | 2.4 GHz ISM - same | 2.4 GHz ISM - same | 2.4 GHz ISM - same | 2.4 GHz ISM - same |
| Antenna Interface | MMCX (external antenna) | Integrated chip antenna | MMCX (external antenna) | MMCX (external antenna) | MMCX (external antenna) | MMCX (external antenna) |
| TX Output Power | 8 dBm | 8 dBm - same | 8 dBm - same | 8 dBm - same | 8 dBm - same | 8 dBm - same |
| RX Sensitivity | -95 dBm | -95 dBm - same | -95 dBm - same | -95 dBm - same | -95 dBm - same | -95 dBm - same |
| Supply Voltage | 2.1 V to 3.6 V | 2.1 V to 3.6 V - same | 2.1 V to 3.6 V - same | 2.1 V to 3.6 V - same | 2.1 V to 3.6 V - same | 2.1 V to 3.6 V - same |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C - same | -40 °C to +85 °C - same | -40 °C to +85 °C - same | -40 °C to +85 °C - same | -40 °C to +85 °C - same |
| Pin Count / Footprint | 22 pins | 22 pins - same | 22 pins - same | 22 pins - same | 22 pins - same | 22 pins - same |
Key Differentiators
- True external MMCX antenna interface for highest RF range (vs LTP5901IPC-WHMA#PBF)
- Pre-certified radio compliance across major regions (vs Generic 2.4 GHz modules)
- Industrial-grade -40 °C to +85 °C temperature rating (vs Consumer-grade 2.4 GHz modules)
Design Notes
Place the LTP5900IPC-WHMA#PBF at least 5 mm away from tall metal structures, switching power supplies, and clock traces to maintain antenna pattern integrity. The MMCX connector must be on the edge of the host PCB with a continuous ground plane beneath the antenna feed path. Follow the keep-out zone recommendations in the Eterna hardware integration guide and SmartMesh Power and Performance Estimator tool. Ground the host board chassis to the module's GND pins using multiple vias to minimize common-mode currents on the antenna feed.
Provide a regulated 2.1 V to 3.6 V DC supply with a minimum of 100 mA peak current capability. Place a 10 µF bulk capacitor plus a 100 nF decoupling capacitor within 5 mm of the module VDD pin. For battery-powered designs, use a LiSOCl2 primary cell with a low-leakage supervisor; avoid switching regulators that inject 2.4 GHz harmonics into the antenna path. Verify the supply rise time is monotonic and stays above 2.1 V during radio transmit bursts to prevent brown-out resets of the ARM Cortex-M3 core.
Common design pitfalls with the LTP5900IPC-WHMA#PBF include: (1) placing the module over a ground-plane slot which detunes the antenna; (2) routing I2C or SPI clock traces under the antenna path, coupling noise into the receiver; (3) omitting ESD protection on the MMCX connector, which can be a discharge path into the RF front end; (4) failing to follow the SmartMesh network join sequence in the Dust Networks application notes, causing the mote to never associate with the network manager; and (5) using the wrong firmware image variant for the desired network topology, leading to silent communication failures.
Compliance Information
RoHS compliant per #PBF suffix in part number. FCC, IC, ETSI, Telec, and ARIB radio pre-certifications per Analog Devices datasheet 5900whmfa.pdf. AEC-Q100 not applicable (industrial wireless sensor module, not automotive-grade semiconductor).
