TMC2084-HT-E2 CircLink Controller | Microchip | Remote I/O
料号： TMC2084-HT-E2 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TMC2084-HT-E2 概述
A CircLink controller is a dedicated network interface and remote I/O control device. In this architecture, the TMC2084 attaches external I/O nodes to a token-passing serial network, allowing a host controller to supervise distributed digital inputs and outputs. This hierarchy places the device among interface controllers, serial I/O controllers, semiconductors, and CircLink network components.
The verified comparison data identifies the TMC2084-HT as an active Microchip device in a 48-pin rectangular low-profile QFP package. The listed electrical data includes a 40 MHz clock, 3 V minimum and 3.6 V maximum supply limits, CMOS technology, a 0.5 mm pitch, and 7 mm package width. These characteristics make it suitable for established CircLink equipment requiring the documented package and supply configuration.
The controller uses enhanced token passing rather than a generic host peripheral protocol. In standalone mode, network nodes are controlled by a TMC2074 or TMC2072 host through the CircLink network. Because traffic depends on network behavior, firmware, timing, and system topology, designers should follow the manufacturer datasheet for electrical limits, protocol operation, and application implementation.
Typical uses include industrial remote I/O, machine-control distributed interfaces, test equipment, building-control systems, and embedded control networks. The part is most appropriate when an existing CircLink host architecture can communicate with it and the PCB footprint matches the documented 48-pin package.
A key procurement consideration is lifecycle and sourcing. Search results describe the family as active and show multiple distributor listings, but package-qualified alternatives were not established by the supplied cross-reference evidence. Engineers should therefore treat TMC2084-HT-E2 as a system-specific procurement choice rather than assume an interchangeable controller.
This page consolidates verified manufacturer information, distributor availability evidence, technical comparison data, and procurement guidance. It distinguishes published facts from unavailable electrical details and avoids presenting unreferenced replacements as drop-in devices.
直接替换替代料： TMC2084-HT-E2 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
TMC2084-HT
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →TMC2084-HT-E2 规格参数
| Device Type | Standalone-mode CircLink controller |
| Product Function | Intelligent remote I/O controller |
| Network Protocol | CircLink enhanced token-passing protocol |
| Compatible Host Nodes | TMC2074 or TMC2072 |
| 最大时钟频率 | 40 MHz |
| Minimum Supply Voltage | 3 V |
| Maximum Supply Voltage | 3.6 V |
| Nominal Supply Voltage | 3.3 V |
| Technology | CMOS |
| Device Classification | Serial I/O or communication controller |
| 封装 | 48-pin rectangular LQFP |
| Package Code | R-PQFP-G48 |
| 安装类型 | Surface mount |
| Package Width | 7 mm |
| Package Pitch | 0.5 mm |
| Package Body Height | 1.6 mm |
| Package Lead Span | 9 mm maximum |
| Maximum Operating Temperature | 70 °C |
| 生命周期状态 | Active |
| RoHS 状态 | Compliant |
| Supplier Inventory Shown | 27,200 units in one search result |
TMC2084-HT-E2 9 mm maximum 引脚配置指南
TMC2084-HT-E2（9 mm maximum 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： TMC2084-HT-E2.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TMC2084-HT-E2 适用于 6 应用s: Industrial CircLink Remote I/O, Machine-Control Distributed Interface, Building Automation Remote I/O, Automated Test Equipment, Embedded Control Network Expansion, Process and Equipment Control.
Industrial CircLink Remote I/O
The TMC2084-HT-E2 fits industrial remote I/O systems that already use a TMC2074 or TMC2072 CircLink host. Its standalone-mode controller role and enhanced token-passing protocol allow distributed I/O nodes to communicate through the established network rather than through independent point-to-point links. The verified 40 MHz clock and 3 V to 3.6 V supply range support integration with compatible digital control hardware. Designers should preserve the documented 48-pin R-PQFP-G48 footprint and validate token timing, bus loading, reset behavior, and firmware against the manufacturer documentation before production release.
推荐
Machine-Control Distributed Interface
TMC2084-HT-E2 can extend a machine-control architecture by placing remote I/O nodes behind a CircLink network instead of wiring every input and output directly to a central controller. The TMC2084's enhanced token-passing protocol gives the host controller coordinated network access, while its standalone-mode controller function organizes the remote node behavior. The 3.3 V nominal supply aligns with compatible CMOS logic, but designers must verify timing margins and available I/O levels in the full datasheet. Firmware validation and fault-response testing are essential before deployment in safety-relevant or high-availability machinery.
推荐
Building Automation Remote I/O
The TMC2084-HT-E2 is suitable for building-automation equipment that already employs CircLink and needs remote digital I/O over a token-passing network. Its controller function allows a central host to manage remote nodes while reducing the number of direct field wiring connections. A documented maximum operating temperature of 70 °C fits many indoor control cabinets, but enclosure temperature, power-supply tolerance, and communication reliability must still be assessed. The 48-pin surface-mount package simplifies dense controller assemblies. Deployment should include brownout testing, bus-termination review, node-failure simulation, and confirmation of firmware compatibility with the selected host.
推荐
Automated Test Equipment
TMC2084-HT-E2 can support remote I/O in CircLink-based automated test equipment where fixtures or instrument-adjacent nodes benefit from distributed control. The enhanced token-passing architecture lets a TMC2074 or TMC2072 host coordinate multiple I/O nodes without requiring a separate direct host connection for every signal. Its 40 MHz maximum clock provides the documented timing reference, while the 3 V to 3.6 V operating range supports compatible digital electronics. The designer should verify latency, deterministic access behavior, isolation strategy, and fault recovery. Because test systems can demand precise timing, bench characterization is preferable to assuming performance from general network specifications.
推荐
Embedded Control Network Expansion
TMC2084-HT-E2 can extend an embedded control platform when the main processor communicates through a supported CircLink host rather than driving the remote I/O directly. This separation can shorten field-level interconnects and centralize diagnostics at the host node. The TMC2084 operates from 3 V to 3.6 V and uses CMOS interfaces, making it suitable for compatible 3.3 V systems. Engineering teams must confirm network topology limits, addressing, token latency, isolation requirements, and startup sequencing. Firmware should be tested across cold-start, warm-reset, power-cycle, and communication-loss conditions before the controller is used in production equipment.
推荐
Process and Equipment Control
TMC2084-HT-E2 can serve remote I/O functions in process and equipment-control assemblies that already standardize on CircLink. Centralizing supervision through a TMC2074 or TMC2072 host can reduce direct field wiring while maintaining coordinated access to remote nodes. The documented 40 MHz device operation and 3 V to 3.6 V supply range support digital controller integration, but enclosure temperature must remain within the listed 70 °C maximum. Designers should review electrical isolation, grounding, surge exposure, watchdog behavior, and operator diagnostics. Qualification should include worst-case bus loading and power-supply transients because generic interface-controller data does not establish those system-level limits.
推荐
推荐产品汇总
工程参考数据： TMC2084-HT-E2 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TMC2084-HT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 48-pin R-PQFP-G48 LQFP | 48-pin R-PQFP-G48 LQFP |
| Maximum Clock Frequency | 40 MHz | 40 MHz |
| Minimum Supply Voltage | 3 V | 3 V |
| Maximum Supply Voltage | 3.6 V | 3.6 V |
| Nominal Supply Voltage | 3.3 V | 3.3 V |
| Technology | CMOS | CMOS |
| Maximum Operating Temperature | 70 °C | 70 °C |
| Package Pitch | 0.5 mm | 0.5 mm |
| Lifecycle Status | Active | Active |
关键差异点
- Native CircLink remote I/O role （对比 TMC2084-MT)
- Documented package identity （对比 TMC208K)
- System-specific host support （对比 THS0842IPFB)
设计说明
Use the Microchip TMC2084 datasheet as the controlling source for the 48-pin R-PQFP-G48 land pattern. The verified package facts include a 0.5 mm pitch, 7 mm body width, and 9 mm maximum lead span, but the excerpts do not provide pin names, pad dimensions, or solder-mask geometry. Do not copy a generic QFP footprint without checking pin numbering and exposed-versus-nonexposed thermal-pad details against the official drawing.
Design the supply rail within the verified 3 V to 3.6 V operating range, with 3.3 V listed as the nominal condition. Exact absolute maximum limits, current consumption, and required decoupling values are absent from the supplied excerpts. Confirm them in the complete Microchip datasheet before selecting capacitors or planning voltage tolerance. Include startup, reset, and power-loss tests because distributed remote I/O can become unavailable after rail disturbances.
Treat the CircLink connection as a timing-dependent network and validate token-passing behavior with the intended TMC2074 or TMC2072 host. The verified 40 MHz maximum device clock does not, by itself, establish usable network bandwidth. Review trace topology, node spacing, grounding, protection, and termination recommendations in the manufacturer documentation, then measure worst-case timing with the complete node population and specified cable or board interconnect.
Do not substitute a generic 48-pin interface controller based only on package similarity. Drop-in qualification requires the same CircLink enhanced token-passing behavior, host-node compatibility, electrical limits, timing, and verified pin mapping. The -E2 suffix is not explained in the supplied evidence, so confirm the manufacturer ordering information, package marking, temperature grade, and firmware expectations before using TMC2084-HT as a presumed equivalent.
The supplied comparison data lists a 70 °C maximum operating temperature but does not provide junction-to-ambient resistance or verified power dissipation. Estimated thermal design is therefore not possible without fabricated inputs. Determine those values from the complete datasheet, account for copper and enclosure constraints, and operate below the published temperature limits with margin appropriate to the application's reliability requirements.
合规信息
The supplied comparison record identifies RoHS compliance and a commercial-grade maximum operating temperature of 70 °C. It does not establish REACH, AEC-Q100, halogen-free, lead-free, or conflict-minerals status.
