Silicon Labs

CP2105-F01-GM - USB 2.0 Dual-UART Bridge | Silicon Labs

MPN: CP2105-F01-GM ✓ فعال
24-QFN, 4 x 4 mm Package One-time programmable ROM Memory
MOQ: 1 |

CP2105-F01-GM جائزہ

The Silicon Labs CP2105-F01-GM is a single-chip USB 2.0 full-speed to dual-UART bridge controller with USB 2.0, two asynchronous serial interfaces, full modem-control signals, five digital I/O pins, an integrated transceiver, an oscillator, and one-time programmable ROM in a compact 4 x 4 mm QFN-24 package. The verified distributor data identifies the device as a USB Bridge, USB-to-UART interface IC, and full-speed USB-to-UART tube solution.

A USB-to-UART bridge is an interface IC that connects a USB host to legacy serial equipment. It converts USB traffic into one or more UART signals, allowing instruments, embedded systems, and service tools to use existing serial protocols without requiring a full USB controller in the host system. The CP2105 dual-UART architecture places two asynchronous serial data buses and modem-control functions on one device, reducing board space while supporting multiple serial links.

The main verified features include USB 2.0 full-speed operation, USB transceiver integration, one internal oscillator, one-time programmable ROM, two UART buses, full modem-control signals, and five digital I/O pins. Royalty-free drivers are identified by the manufacturer product-page result, supporting a straightforward USB-to-serial implementation. The package is a 4 x 4 mm QFN-24, also described in the datasheet snippet as MLF or MLP terminology.

The device is suited to legacy RS-232 migration, USB-to-dual-serial adapters, embedded debug and service interfaces, industrial equipment connectivity, and USB instrumentation. Compared with discrete USB interface implementations, the integrated transceiver, oscillator, ROM, dual UART channels, and modem controls reduce component count and simplify firmware-facing communication.

The exposed-pad QFN-24 package requires careful PCB layout, adequate grounding, and thermal-via placement. USB differential routing should be kept short and impedance-controlled, while UART signals should be separated from noisy switching nodes. The one-time programmable ROM should be considered during product identification and manufacturing planning because programmable identity is not the same as freely rewritable storage.

This page combines the verified manufacturer datasheet description, distributor listings, package information, and practical USB-to-UART design context. It does not infer electrical limits that were not supplied in the verified data; consult the official Silicon Labs datasheet before finalizing power, current, clock, and pin-level design details.

کے لیے ڈراپ اِن متبادل CP2105-F01-GM — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔

اس سیریز میں مختلف ورژن

اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں CP2105-F01-GM (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Integrated USB Transceiver, UART Channels, Driver Support, Exposed Pad.

Silicon Labs
Package: 28-QFN
Exposed Pad: Yes
موازنہ کریں CP2105-F01-GM →
Silicon Labs
Package: 24-QFN (4x4 mm) with exposed pad
UART Channels: 1
Driver Support: VCP and USBXpress (Windows, macOS, Linux)
موازنہ کریں CP2105-F01-GM →
Silicon Labs
Package: 24-QFN (4x4 mm) with exposed pad
Integrated USB Transceiver: Yes (no external resistors required)
UART Channels: 1
موازنہ کریں CP2105-F01-GM →
Silicon Labs
Package: QFN-24, 4 x 4 mm
موازنہ کریں CP2105-F01-GM →

CP2105-F01-GMR

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
Silicon Labs
📦 24-QFN (4 x 4 mm)
USB 2.0 full-speed to dual UART interface bridge · USB 2.0 full speed · 2 asynchronous serial data buses · 1.8 V or 3.3 V · QFN-24, 4 x 4 mm · Yes · Yes · No

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

CP2105-F01-GM

✅ ڈراپ-اِن
Silicon Labs
📦 24-QFN (4 x 4 mm)
USB 2.0 full-speed to dual-UART bridge controller · USB 2.0 full-speed · 2 asynchronous serial data buses · Full modem-control signals · Yes · Yes · One-time programmable ROM · 5 digital I/O pins

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CP2103-GM

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
Silicon Labs
📦 24-QFN (4 x 4 mm)
USB 2.0 to UART bridge controller · USB 2.0 · UART · 1.8 V to 3.6 V · 28-QFN · 5 mm × 5 mm · Yes · Yes

قیمت کے لیے رابطہ کریں

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CP2104-F03-GM

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
Silicon Labs
📦 24-QFN (4 x 4 mm)
USB to UART Bridge Controller · USB 2.0 Full-Speed · 1 · 576 byte · 3.3 V · 24-QFN (4x4 mm) with exposed pad · Surface Mount

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CP2104-F03-GMR

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
Silicon Labs
📦 24-QFN (4 x 4 mm)
USB 2.0 to UART bridge controller · USB 2.0 full speed, 12 Mbps · 1 · 300 bps to 2 Mbps (programmable) · 576 byte · 3 V to 3.6 V (VDD) · 1.8 V, 3 V to 3.6 V · 3.45 V

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CP2105-F01-GM تفصیلات

Product Type USB 2.0 full-speed to dual-UART bridge controller
USB Interface USB 2.0 full-speed
UART Channels 2 asynchronous serial data buses
Modem Control Full modem-control signals
Integrated USB Transceiver Yes
Integrated Oscillator Yes
Programmable ROM One-time programmable ROM
Digital I/O 5 digital I/O pins
پیکیج 24-QFN, 4 x 4 mm
Package Terminology QFN-24, also described as MLF or MLP in the verified datasheet snippet
Exposed Pad Exposed pad package indicated by the verified datasheet/distributor descriptions
Interface Category USB-to-UART interface IC
Host Connectivity USB host connection
Legacy Serial Support USB-to-serial bridge for legacy serial designs
Driver Support Royalty-free drivers identified by Silicon Labs product-page result

CP2105-F01-GM qfn-24, also described as mlf or mlp in the verified datasheet snippet پن کنفیگریشن گائیڈ

CP2105-F01-GM (qfn-24, also described as mlf or mlp in the verified datasheet snippet پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔

CP2105-F01-GM کے لیے qfn-24, also described as mlf or mlp in the verified datasheet snippet پیکیج پن آؤٹ ڈایاگرام

کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں CP2105-F01-GM.

رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔

عام استعمالات

CP2105-F01-GM کے لیے موزوں ہے 7 ایپلیکیشنs: Legacy RS-232 Migration, USB-to-Dual-Serial Test Equipment, Industrial Device Connectivity, Embedded Debug and Service Ports, USB Instrumentation and Measurement, USB Audio and Control Adapters, Programmable Device Identity.

🔧

Legacy RS-232 Migration

The CP2105-F01-GM is appropriate when an existing RS-232 instrument or controller needs to appear as a USB peripheral on a modern host. Its verified USB 2.0 full-speed interface and dual UART buses provide the bridge between USB and serial traffic, while the QFN-24 package helps reduce board area. The board must still include the correct RS-232 line-level transceivers, protection, and connector wiring because the CP2105 provides a bridge controller rather than verified RS-232 voltage conversion.

⚡

USB-to-Dual-Serial Test Equipment

The CP2105-F01-GM fits test equipment that must expose two legacy serial channels through one USB connection. Its two asynchronous UART buses, full modem-control signals, and royalty-free driver support simplify host enumeration and multi-port software access. Design effort should focus on assigning stable port identities, isolating transceiver circuits, and verifying that both channels meet the instrument’s voltage, timing, and flow-control requirements.

🏭

Industrial Device Connectivity

For industrial equipment, the CP2105-F01-GM can bridge a USB host to dual serial control or diagnostic channels. The integrated USB transceiver, oscillator, and programmable ROM reduce the external component burden associated with designing a USB-to-serial interface. Industrial implementations should validate grounding, ESD protection, cable length, isolation requirements, and operating-temperature limits because those details were not supplied in the verified search data.

🧩

Embedded Debug and Service Ports

The CP2105-F01-GM is useful for embedded products that need a compact USB service interface to two internal UART targets. A host can use the bridge to update modules, retrieve diagnostics, or run production tests without exposing a full USB controller in the embedded design. The two UART channels must be assigned to distinct internal buses, and firmware should handle device enumeration, line coding, modem signals, and any one-time programmed identity requirements.

🖥️

USB Instrumentation and Measurement

The bridge architecture supports compact USB instrumentation that needs to retain legacy serial command protocols. The CP2105-F01-GM can present two serial endpoints to a PC, allowing control and measurement traffic to coexist over one USB cable. For accurate measurements, keep analog and sensitive digital sections away from USB and UART return currents, use a solid ground strategy, and confirm driver installation and port enumeration across the target operating systems.

🎧

USB Audio and Control Adapters

The CP2105-F01-GM can be used in specialized USB adapters where legacy control channels accompany a more complex USB function. Its dual UART channels offer independent command or status paths, and the compact QFN-24 package supports space-constrained adapter boards. This application still requires the target peripheral’s protocol, electrical levels, and timing to be verified; the verified source does not establish audio-specific performance or interface timing.

🔒

Programmable Device Identity

Because the verified manufacturer description identifies one-time programmable ROM, the CP2105-F01-GM can be considered for products that assign a fixed USB identity or configuration during manufacturing. The ROM should be programmed as part of a controlled production flow, and the design should not depend on repeated user-level rewriting. Confirm the available programming workflow, identifier fields, and production volume requirements in the Silicon Labs documentation before committing to a custom identity scheme.

What is the Silicon Labs CP2105-F01-GM?
The Silicon Labs CP2105-F01-GM is a single-chip USB 2.0 full-speed to dual-UART bridge controller. According to the Silicon Labs CP2105 datasheet, it integrates a USB transceiver, oscillator, one-time programmable ROM, and two asynchronous serial data buses with full modem-control signals. The device is packaged in a compact 4 x 4 mm QFN-24 package and is intended for USB-to-serial equipment and legacy RS-232 migration.
Where can I download the CP2105-F01-GM datasheet PDF?
The official CP2105-F01-GM datasheet PDF is available from Silicon Labs at https://www.silabs.com/documents/public/data-sheets/CP2105.pdf. The verified datasheet description identifies USB 2.0 full-speed operation, an integrated USB transceiver, an oscillator, one-time programmable ROM, two UART buses, full modem controls, and a 4 x 4 mm QFN-24 package. Use the manufacturer document for final electrical limits and pin-level implementation details.
How many UART ports does the CP2105-F01-GM provide?
The CP2105-F01-GM provides two asynchronous UART serial data buses. The official Silicon Labs datasheet snippet describes the device as a USB-to-dual-UART bridge and includes full modem-control signals. This dual-channel arrangement is useful when one USB connection must reach two legacy serial peripherals, provided the host software supports both exposed COM ports and the electrical levels are adapted appropriately.
What package does CP2105-F01-GM use?
The CP2105-F01-GM uses a 24-QFN package measuring 4 x 4 mm. Distributor listings identify the package as QFN24, while the manufacturer datasheet snippet also refers to MLF or MLP terminology. The exposed pad requires a PCB footprint and thermal design that follows Silicon Labs land-pattern guidance; a generic 24-pin package should not be assumed.
Does the CP2105-F01-GM need an external USB transceiver?
No. The Silicon Labs CP2105 datasheet describes an integrated USB transceiver within the bridge controller. The device also includes an oscillator and one-time programmable ROM, so the USB interface is consolidated into one compact IC. External passive components, USB connector routing, and any required series termination or protection should still be implemented according to the manufacturer datasheet and the host USB requirements.
What is the difference between the CP2105 and a single-UART USB bridge?
The CP2105 provides two asynchronous UART data buses, whereas a single-UART bridge provides one serial channel. The verified manufacturer product page identifies the CP2105 as a USB-to-Dual-UART bridge with five digital I/O pins and royalty-free drivers. It is therefore suited to equipment needing two serial links, while a single-UART device may be simpler and sufficient where only one COM port is required.
Is CP2105-F01-GM suitable for RS-232 equipment?
The CP2105-F01-GM is suitable as the USB interface side of an RS-232 migration when the board also provides the required RS-232 electrical levels. The manufacturer describes the device as a USB-to-dual-UART bridge, but UART logic levels and RS-232 voltage levels are not automatically interchangeable. Level-shifting or RS-232 transceiver circuitry, protection, and connector-level design must be added according to the target interface.
Where can I buy CP2105-F01-GM online?
CP2105-F01-GM listings are available from DigiKey, Mouser, and other distributors identified in the verified data. DigiKey describes the part as a USB Bridge and USB-to-UART interface IC in a 24-QFN package; Mouser lists the Silicon Labs USB-to-Dual-UART bridge in QFN24. Availability and unit pricing should be checked at the distributor because the verified Heisener result reports an example unit price of $2.4776 and immediate-shipment information.
What is the price of CP2105-F01-GM?
The verified Heisener result reports a CP2105-F01-GM unit price of $2.4776, while the distributor search results also identify pricing resources at DigiKey, Mouser, Octopart, and Heisener. Prices are time-sensitive, so the $2.4776 figure should be treated as a reference as of the verified retrieval date of 2026-10-22. Request a current quotation before placing an order.
What is the lead time for CP2105-F01-GM?
The verified Heisener result states that CP2105-F01-GM can ship immediately and gives an estimated delivery window of June 17 to June 22 in the retrieved listing, but that listing does not establish a guaranteed lead time for every order. Confirm stock, authorized-channel inventory, and the current lead time with the selected distributor before committing to a production schedule.
Is CP2105-F01-GM in stock?
The verified distributor data indicates purchasable inventory and includes a Heisener listing reporting 5,344 pieces in stock at the time of retrieval. DigiKey also states that the part ships today. Inventory changes rapidly, so this is a point-in-time observation as of 2026-10-22 rather than a permanent stock guarantee; verify the current quantity directly with the distributor.
What can replace CP2105-F01-GM?
A true drop-in replacement must match the CP2105-F01-GM electrically, mechanically, and functionally, including its USB behavior, dual UART architecture, modem-control signals, and QFN-24 footprint. The verified alternatives search identifies no confirmed pin-to-pin drop-in equivalent. MaxLinear XR21B1422IL40-F is described as a functional alternative but explicitly not pin compatible, so it is not listed as a drop-in replacement.
Is there a MaxLinear equivalent for CP2105-F01-GM?
The MaxLinear cross-reference result identifies XR21B1422IL40-F as a functional alternative to CP2105-F01-GM, but the same result states that it is not pin compatible. Therefore, it should not replace the CP2105-F01-GM on an existing PCB without a redesign and validation of USB, UART, power, and signal-level requirements. It is not a strict drop-in substitute.
When should I choose CP2105-F01-GM over a single-UART bridge?
Choose CP2105-F01-GM when the equipment needs two asynchronous UART channels from one USB connection or requires the integrated modem-control signals and five digital I/O features. Choose a single-UART bridge when the product only requires one serial port and simpler software or board requirements justify the reduced channel count. Both options can simplify USB migration, but the CP2105 is specifically positioned for dual-serial connectivity.
Can CP2105-F01-GM be used for USB instrumentation?
Yes, CP2105-F01-GM can support USB instrumentation that exposes legacy serial protocols through a USB host. Its two UART buses allow a single USB interface to serve multiple instrument functions, and the manufacturer identifies royalty-free drivers. The board must still provide the correct electrical interface for the target equipment, firmware for the expected protocol, and validated USB power, grounding, and connector implementation.
Does the CP2105-F01-GM include one-time programmable ROM?
Yes. The Silicon Labs CP2105 datasheet description explicitly lists one-time programmable ROM among the integrated functions. This storage can support device identity or configuration information, but it should not be treated as ordinary repeatedly rewritable firmware storage. Product programming requirements and any custom identity configuration must be planned before manufacturing because the verified source describes the ROM as one-time programmable.

کے لیے انجینئرنگ ریفرنس ڈیٹا CP2105-F01-GM — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔

انتخاب کی گائیڈ

Choose CP2105-F01-GM when a compact USB interface must expose two legacy UART channels and the board benefits from an integrated USB transceiver, oscillator, and one-time programmable ROM. It is particularly suitable for dual-port instrumentation, service interfaces, and legacy serial migration when the host software can manage two enumerated serial devices. Choose a single-UART bridge when only one serial channel is required and board simplicity matters more than dual-port functionality. CP2105-F01-GMR is the closest identified orderable family variant, while CP2103-GM and CP2104-F03 variants require careful verification because their UART-channel count and feature compatibility are not established in the supplied data. Do not substitute a functional-only equivalent without redesign; the verified MaxLinear XR21B1422IL40-F cross-reference is explicitly not pin compatible.

متبادلات کے ساتھ موازنہ

پیرامیٹر یہ پروڈکٹ CP2105-F01-GMR CP2103-GM CP2104-F03-GM CP2104-F03-GMR
Product Type USB 2.0 full-speed to dual-UART bridge USB-to-dual-UART bridge family variant USB-to-serial bridge family variant USB-to-UART bridge family variant USB-to-UART bridge family variant
Brand Silicon Labs Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Package 24-QFN (4 x 4 mm) 24-QFN (4 x 4 mm) 24-QFN (4 x 4 mm) 24-QFN (4 x 4 mm) 24-QFN (4 x 4 mm)

اہم امتیازی خصوصیات

  • Dual asynchronous UART channels in one bridge (بمقابلہCP2103-GM)
  • Integrated USB transceiver and oscillator (بمقابلہCP2104-F03-GM)
  • Full modem-control signal support (بمقابلہCP2104-F03-GMR)

ڈیزائن نوٹس

Use the manufacturer land pattern for the 24-QFN package and expose-pad connection rather than substituting a generic 24-pin footprint. Place the USB connector, protection components, and CP2105-F01-GM in one controlled high-speed USB region. Keep the USB differential pair short, matched, and away from UART switching edges where practical, while providing a continuous ground reference beneath the exposed pad.

Do not assume that a USB-to-UART bridge automatically provides RS-232, RS-485, or isolated serial levels. The CP2105-F01-GM is described as a USB-to-dual-UART bridge, so the external transceiver must match the target voltage standard, direction, baud-rate range, and isolation requirements. Also treat the one-time programmable ROM as a manufacturing resource rather than a field-updatable data store.

Assign the two UART channels deliberately and keep their signal routes away from noisy power converters and USB return currents. Confirm all modem-control signals, ground references, and connector pin assignments against the official Silicon Labs datasheet. Because the verified data does not provide electrical limits, validate supply voltage, absolute maximum ratings, clock requirements, and pin states in the datasheet before schematic release.

تعمیل کی معلومات

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
لیڈ فری
Unknown
ہیلوجن فری
Unknown
کنفلیکٹ منرلز
Unknown

The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The device is an interface IC rather than an explicitly automotive-qualified product in the provided data.

ڈیٹا کی تصدیق کی تاریخ: 2026-10-22 — ڈیٹا XAIPART کی کمپوننٹ انجینئرنگ ٹیم کے ذریعے تصدیق شدہ اور ترتیب شدہ

متعلقہ تلاشیں

CP2105-F01-GM CP2105-F01-GM datasheet Silicon Labs CP2105-F01-GM USB 2.0 full-speed dual UART bridge 24-QFN USB to UART bridge CP2105-F01-GM RS-232 migration CP2105-F01-GM price CP2105-F01-GM lead time CP2105-F01-GM drop-in replacement CP2105 vs CP2104-F03-GM CP2105-F01-GM pinout USB-to-dual-UART QFN24 IC

متعلقہ اجزاء اور اصطلاحات

Silicon Labs CP2105-F01-GM CP2105-F01-GMR CP2103-GM CP2104-F03-GM CP2104-F03-GMR XR21B1422IL40-F USB 2.0 USB full-speed dual-UART bridge asynchronous serial bus USB transceiver integrated oscillator one-time programmable ROM modem-control signals digital I/O QFN-24 MLF MLP exposed pad RS-232 USB instrumentation legacy serial migration industrial connectivity embedded debug interface
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