RN52SRC-I/RM100 Equivalent & Substitute Parts

Part Overview

The RN52SRC-I/RM100 is a Bluetooth v3.0, Class 2 transceiver module manufactured by Microchip Technology, designed for 2.4GHz RF applications with integrated trace antenna and surface mount packaging. This module integrates Bluetooth connectivity with multiple serial interfaces (AIO, I2S, SPI, UART, USB) and 16MB Flash memory for embedded applications.

The RN52SRC-I/RM100 is classified as Obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this module.

Substiute Parts

RN52SRC-I/RM100

Microchip TechnologyIn Stock: 933RN52SRC-I/RM100 Datasheet

Current PartRFQ

BM83SM1-00AB

Microchip TechnologyIn Stock: 1138BM83SM1-00AB Datasheet

MFR RecommendedRFQ

BTM511

Laird Connectivity Inc.In Stock: 1285BTM511 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN52SRC-I/RM100 is determined by the following critical parameters:

• RF Family/Standard: Bluetooth technology compatibility
• Frequency Band: 2.4GHz operation
• Mounting Type: Surface Mount configuration
• Voltage Supply Range: 3V ~ 3.6V compatibility
• Operating Temperature Range: -40°C ~ 85°C
• Serial Interface Availability: Support for primary communication protocols
• RoHS Compliance: ROHS3 Compliant status

The identified substitute parts maintain compatibility across these core electrical and mechanical parameters while accommodating variations in protocol versions, data rates, power output, and antenna implementation.

Parameter Comparison

Engineering Selection Recommendations

BM83SM1-00AB (Microchip Technology)

The BM83SM1-00AB is an Active product with ROHS3 compliance and superior moisture sensitivity rating (MSL 1). This substitute operates within an expanded voltage supply range (3.2V ~ 4.2V) and provides improved sensitivity (-90dBm). The BM83SM1-00AB supports a broader frequency range (2.402GHz ~ 2.48GHz) and delivers higher power output (11dBm). Current consumption during receiving and transmitting operations is higher than the RN52SRC-I/RM100. The antenna implementation differs (PCB Trace vs. Integrated Trace), requiring PCB layout evaluation. This part is suitable for new designs and ongoing production where supply continuity is prioritized.

BTM511 (Laird Connectivity Inc.)

The BTM511 maintains protocol equivalence (Bluetooth v3.0, Class 2) and identical data rate (3Mbps) and power output (4dBm) specifications. Voltage supply range matches the RN52SRC-I/RM100 (3V ~ 3.6V). The BTM511 is classified as Obsolete with RoHS compliance. Current consumption is significantly higher (70mA receiving and transmitting vs. 30mA). The antenna type differs (Integrated Chip vs. Integrated Trace). This substitute is applicable for legacy system maintenance where protocol and electrical characteristics must remain consistent with the original design.

Frequently Asked Questions (FAQ)

Q: Can the BM83SM1-00AB replace the RN52SRC-I/RM100 in existing designs?

A: The BM83SM1-00AB is electrically compatible within the core Bluetooth 2.4GHz operating parameters. However, the expanded voltage supply range (3.2V ~ 4.2V vs. 3V ~ 3.6V) and higher current consumption require circuit evaluation. The antenna type change (PCB Trace vs. Integrated Trace) necessitates PCB layout assessment. Active product status ensures long-term availability.

Q: What are the key differences between the BM83SM1-00AB and BTM511?

A: The BM83SM1-00AB is an Active product with improved sensitivity (-90dBm), higher power output (11dBm), and lower moisture sensitivity (MSL 1). The BTM511 is Obsolete, maintains identical power output (4dBm) and data rate (3Mbps) to the RN52SRC-I/RM100, but exhibits significantly higher current consumption (70mA). The BM83SM1-00AB supports broader frequency range (2.402GHz ~ 2.48GHz) compared to the BTM511 (2.4GHz).

Q: Are there serial interface compatibility considerations?

A: The RN52SRC-I/RM100 supports AIO, I2S, SPI, UART, and USB interfaces. The BM83SM1-00AB supports ADC, GPIO, I2S, JTAG, PWM, UART, and USB. The BTM511 supports I2S and UART only. Interface availability must be evaluated against system requirements.

Q: What is the impact of antenna type differences?

A: The RN52SRC-I/RM100 uses an Integrated Trace antenna. The BM83SM1-00AB uses PCB Trace antenna, requiring PCB layout design. The BTM511 uses an Integrated Chip antenna. Antenna type affects RF performance, PCB footprint, and layout complexity. Antenna selection must align with application RF requirements and PCB design constraints.

Q: How do current consumption differences affect power budget?

A: The RN52SRC-I/RM100 draws 30mA during receiving and transmitting. The BM83SM1-00AB draws 38.5mA ~ 49mA (receiving) and 22mA ~ 59mA (transmitting). The BTM511 draws 70mA for both operations. Higher current consumption impacts power supply design, thermal management, and battery life in portable applications.

Q: What compliance certifications apply to these parts?

A: The RN52SRC-I/RM100 and BM83SM1-00AB are ROHS3 Compliant. The BTM511 is RoHS Compliant. All three parts are REACH Unaffected. Moisture sensitivity levels differ: RN52SRC-I/RM100 and BTM511 are MSL 3 (168 Hours), while BM83SM1-00AB is MSL 1 (Unlimited), affecting storage and handling requirements.