MCP2200T-I - USB 2.0 to UART Converter with GPIO | Microchip
부품 번호: MCP2200T-I ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $3.91 | $3.91 |
| 10 | $3.52 | $35.20 |
| 100 | $3.16 | $316.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.61 | $2,610.00 |
MCP2200T-I 개요
A USB-to-UART bridge is a type of interface controller that converts USB traffic into standard asynchronous serial (UART) data, allowing any microcontroller or system with a UART port to communicate with a modern USB host. Within the system hierarchy, it sits between the USB physical layer and the application MCU serial port, and belongs to the broader family of USB interface ICs and communication controllers.
Key features include full-speed USB 2.0 (12 Mbps) connectivity, a 128-byte transmit buffer that decouples UART timing from USB traffic, and eight GPIO pins that can be reconfigured for functions such as USBCFG, SUSPEND, LED control, and RESET_CFG. The integrated 256-byte EEPROM stores custom VID/PID and configuration descriptors, eliminating external serial EEPROM and reducing bill-of-material cost. Integrated USB termination resistors further remove the need for two external resistors.
The device uses CMOS technology and implements the USB protocol entirely in hardware, so no firmware development is required on the host side beyond the vendor-provided virtual COM port driver. Flow-control related handshaking signals (RTS, DTR, DCD, RI) are exposed for legacy serial emulation.
Typical applications include adding USB connectivity to embedded systems with a UART interface, USB-to-serial adapters, industrial equipment service ports, and IoT device commissioning links. The wide 3.0-5.5 V supply range makes it compatible with both 3.3 V and 5 V logic systems.
Design consideration: keep the UART baud rate within the device-supported range and account for the transmit buffer depth when streaming continuous data at high baud rates, since the bridge is not a zero-latency pipe.
This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: MCP2200T-I — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MCP2200-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MCP2200-E/SO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
MCP2200T-I 사양
| 기능 | USB 2.0 to UART Protocol Converter with GPIO |
| USB Specification | USB 2.0 Full Speed |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Logic Compatibility | 3.3 V / 5 V |
| GPIO Count | 8 |
| Integrated EEPROM | 256 bytes |
| TX Buffer Size | 128 bytes |
| USB Termination Resistors | Integrated |
| Technology | CMOS |
| 동작 온도 | -40C to +85C (Industrial) |
| 패키지 | 20-pin SOIC (SO), Tape and Reel |
| 실장 유형 | Surface Mount |
| Handshake Signals | RTS, DTR, DCD, RI |
| Programmable Pin Functions | USBCFG, SUSPEND, LED, RESET_CFG |
| Packaging | Tape & Reel (T/R) |
| RoHS 상태 | Compliant |
MCP2200T-I 20-pin soic (so), tape and reel 핀 구성 가이드
MCP2200T-I(20-pin soic (so), tape and reel 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: MCP2200T-I.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MCP2200T-I 적합 용도: 6 애플리케이션s: USB Connectivity for Embedded UART Systems, USB-to-Serial Adapter Cables and Dongles, Industrial Equipment Service and Commissioning Ports, IoT Device Commissioning and Provisioning, Debug and Development Interfaces for Hobbyist and Educational Boards, Point-of-Sale and Peripheral Interfacing.
USB Connectivity for Embedded UART Systems
The primary use of the MCP2200T-I is adding USB 2.0 full-speed connectivity to any embedded system that already exposes a UART port. The bridge handles the entire USB protocol stack in hardware and enumerates as a virtual COM port, so the target MCU only needs standard TX/RX lines - no USB controller, no firmware USB stack, and no driver development on the device side. Its 128-byte TX buffer decouples UART timing from USB scheduling, and the 3.0-5.5 V supply supports both 3.3 V and 5 V MCU families. The eight GPIO pins can additionally manage functions like entering bootloader mode or status indication, replacing a discrete I/O expander in compact designs.
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USB-to-Serial Adapter Cables and Dongles
The MCP2200T-I is a strong fit for standalone USB-to-serial adapters because it integrates the two USB termination resistors on-chip and requires no external crystal, minimizing component count and board area in cable-molded or dongle-sized products. The 256-byte EEPROM stores a custom VID/PID so each vendor's dongle enumerates with a branded device name and driver association instead of a generic one. Handshake signals RTS, DTR, DCD, and RI are exposed for applications that rely on legacy serial flow control or modem-style signaling. Pricing from roughly $1.69 (SSOP variant, LCSC, as of 2026-10-20) keeps the bill of materials competitive for volume accessory products.
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Industrial Equipment Service and Commissioning Ports
Industrial controllers, motor drives, and power supplies frequently use the MCP2200T-I as an on-board service port so field technicians can re-flash firmware or read diagnostics from any laptop over USB. The industrial -40C to +85C operating range matches typical factory-floor and outdoor cabinet environments, and the 3.0-5.5 V supply lets it share the controller's existing 5 V rail. Because the USB interface is fully hardware-implemented, the service channel remains available even if the main MCU firmware is corrupted - an important recovery property. The RESET_CFG GPIO can be wired to hold a target in reset during flash programming sequences driven by the host tool.
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IoT Device Commissioning and Provisioning
IoT products that ship with Wi-Fi, Bluetooth, or LoRa radios commonly include an MCP2200T-I as a wired provisioning interface: during manufacturing or first-time setup, the device plugs into a PC and the credentials or configuration are pushed over the UART link at known-good reliability, avoiding RF issues during provisioning. The GPIO pins can drive radio reset and boot-mode straps, letting one USB session control the entire provisioning sequence. The 256-byte EEPROM with custom VID/PID allows fleet-management software to identify the exact product model at enumeration. Full-speed USB 2.0 (12 Mbps) is far faster than typical IoT configuration payloads, keeping factory-cycle times short.
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Debug and Development Interfaces for Hobbyist and Educational Boards
Development boards and educational kits use the MCP2200T-I to give students and makers a plug-and-play serial console: the device enumerates with vendor-supplied drivers on major operating systems without manual configuration. The crystal-less USB design and integrated termination resistors allow very simple, low-cost board designs where board space and budget are constrained. GPIO availability lets the same chip double as a simple USB-connected digital I/O interface via Microchip's utility software, useful for blinking LEDs or reading switches from a PC without writing host code. Its wide 3.0-5.5 V operating range supports both legacy 5 V Arduino-style and modern 3.3 V board designs.
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Point-of-Sale and Peripheral Interfacing
Legacy serial peripherals such as receipt printers, barcode scanners, and card readers are commonly retrofitted to modern USB-only point-of-sale terminals using MCP2200-based bridge boards. The exposed DCD, DTR, RTS, and RI handshake signals are important here because many POS protocols use modem-style status lines for paper-out and online detection, which pure TX/RX-only bridges cannot carry. The 128-byte TX buffer smooths bursty print data over USB's frame-based scheduling, and the virtual COM port driver means existing POS applications written for COM ports run unmodified. The industrial temperature rating also covers unconditioned retail and kiosk environments.
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추천 제품 요약
엔지니어링 참조 데이터: MCP2200T-I — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MCP2200-I/SO | MCP2200-E/SO | MCP2200T-I/SS |
|---|---|---|---|---|
| Package | SOIC-20 (SO variant) | SOIC-20 - same | SOIC-20 - same | SSOP-20 - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| GPIO Count | 8 | 8 | 8 | 8 |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C |
| TX Buffer Size | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
주요 차별점
- 8 integrated GPIO pins eliminate a separate I/O expander (vs MCP2200T-I/SS and generic 2-chip solutions)
- 256-byte on-chip EEPROM for custom VID/PID (vs MCP2200-I/SO vs external-EEPROM bridges)
- Extended temperature option within the same footprint (vs MCP2200-E/SO)
설계 노트
Keep the USB differential pair (D+/D-) routed as a matched-length 90-ohm pair, as short as possible between the MCP2200 and the USB connector, and place any series/common-mode protection components symmetrically. Because the USB termination resistors are integrated on-chip, do NOT add external 1.5k pull-up or series 22-ohm termination resistors - duplicating them degrades signal integrity and can fail USB compliance. Provide at least one 100 nF decoupling capacitor immediately adjacent to the VDD pin per Microchip reference designs.
The MCP2200 can be powered either from the USB VBUS (nominally 5 V) or from a local 3.3 V rail within its 3.0-5.5 V range. If powering from VBUS, account for the allowable VBUS drop at the far end of long cables and add bulk capacitance (10 uF) near the device in addition to the 100 nF decoupler. If powering from a local rail, ensure the rail is present before or simultaneously with USB attach, or verify that the enumeration behavior with a delayed rail meets your host-system expectations during hot-plug events.
Do not assume zero transfer latency: the 128-byte TX buffer means high-rate continuous UART streams experience small burst gaps as data is packetized into USB frames; verify your application tolerates this rather than assuming a bit-piped serial link. Also confirm the configured VID/PID in the 256-byte EEPROM matches your driver installation - an unprogrammed or mismatched VID/PID is the most common cause of 'device not recognized' field returns. Match the package suffix (/SO vs /SS) to your land pattern; they are not interchangeable footprints.
규정 준수 정보
RoHS compliant and lead-free per Microchip product listings. REACH, halogen-free, and conflict-minerals status not stated in provided data.
