EM3596-RT Equivalent & Substitute Parts Reference

Part Overview

The EM3596-RT is a Silicon Labs RF transceiver with integrated microcontroller designed for 802.15.4 Zigbee applications operating at 2.4GHz. This component combines wireless communication and processing capabilities in a 56-VFQFN package with exposed pad. The product is currently obsolete, making equivalent or substitute parts necessary for new designs or production continuity.

Substiute Parts

EM3596-RT

Silicon LabsIn Stock: 1368EM3596-RT Datasheet

Current PartRFQ

EFR32MG24A010F1024IM48-B

Silicon LabsIn Stock: 685EFR32MG24A010F1024IM48-B Datasheet

MFR RecommendedRFQ

CC2538SF53RTQR

Texas InstrumentsIn Stock: 20114CC2538SF53RTQR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the EM3596-RT is determined by the following critical parameters:

Primary Substitution Criteria:

• RF standard compatibility (802.15.4 Zigbee protocol support)
• Operating frequency (2.4GHz)
• Package type (56-VFQFN or compatible form factor)
• Memory configuration (minimum 512kB Flash, 32kB RAM)
• GPIO availability (32 pins)
• Supply voltage range overlap (2.1V ~ 3.6V)
• Surface mount technology

Substitution Categories:

Direct Equivalent: Parts maintaining identical RF standard, protocol, package, and memory specifications.

Functional Substitute: Parts supporting the same RF standard and protocol with compatible electrical characteristics but potentially different package configurations or enhanced specifications.

Protocol-Compatible Substitute: Parts operating at 2.4GHz with different wireless protocols but capable of integration into systems requiring alternative communication standards.

Parameter Comparison

Engineering Selection Recommendations

CC2538SF53RTQR (Texas Instruments) - Direct Equivalent

The CC2538SF53RTQR is the primary substitute for EM3596-RT applications. Both components maintain identical RF standard (802.15.4), protocol support (Zigbee®), package configuration (56-VFQFN Exposed Pad), and memory specifications (512kB Flash, 32kB RAM). The CC2538SF53RTQR is in active production status, ensuring long-term availability. Electrical parameters are compatible within acceptable tolerances: supply voltage range (2V ~ 3.6V) overlaps with the original part, and current consumption is lower during receive operations. Operating temperature range extends to 125°C compared to 85°C on the EM3596-RT. Both components are ROHS3 compliant. This part is suitable for direct replacement in existing EM3596-RT designs without circuit modification.

EFR32MG24A010F1024IM48-B (Silicon Labs) - Protocol-Compatible Substitute

The EFR32MG24A010F1024IM48-B operates at 2.4GHz with Bluetooth v5.3 protocol support rather than 802.15.4 Zigbee. This component is appropriate only for applications where Bluetooth communication is acceptable or required. The package differs (48-VFQFN vs. 56-VFQFN), requiring PCB layout modifications. Memory capacity is enhanced (1024kB Flash, 128kB RAM). Current consumption is significantly lower across all operating modes. Supply voltage range (1.71V ~ 3.8V) provides broader compatibility. Operating temperature extends to 125°C. MSL rating is superior (2 vs. 3). This part is in active production status. Selection requires confirmation that Bluetooth protocol substitution aligns with system requirements.

Frequently Asked Questions (FAQ)

Q: Can CC2538SF53RTQR replace EM3596-RT without PCB modifications?

A: Yes. Both components use identical 56-VFQFN Exposed Pad packaging with matching pin configurations for 802.15.4 Zigbee applications. Pin-to-pin compatibility is maintained for RF, power, ground, and signal interfaces. No PCB layout changes are required.

Q: What are the key differences between EM3596-RT and CC2538SF53RTQR?

A: Both support 802.15.4 Zigbee at 2.4GHz with identical memory (512kB Flash, 32kB RAM) and GPIO count (32). Primary differences are manufacturer (Silicon Labs vs. Texas Instruments), product status (obsolete vs. active), and operating temperature range (85°C vs. 125°C maximum). Current consumption is lower on the CC2538SF53RTQR during receive operations.

Q: Is EFR32MG24A010F1024IM48-B compatible with existing Zigbee networks?

A: No. The EFR32MG24A010F1024IM48-B implements Bluetooth v5.3 protocol, not 802.15.4 Zigbee. It cannot directly communicate with Zigbee networks. This part is suitable only for applications transitioning to Bluetooth or requiring dual-protocol capability with additional firmware support.

Q: What is the impact of package size difference between EM3596-RT and EFR32MG24A010F1024IM48-B?

A: The EFR32MG24A010F1024IM48-B uses 48-VFQFN (6x6mm) versus EM3596-RT's 56-VFQFN (8x8mm). This requires PCB redesign including footprint changes, trace routing modifications, and potential layer stack adjustments. Pin count reduction from 56 to 48 may limit GPIO availability depending on application requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. Both CC2538SF53RTQR and EFR32MG24A010F1024IM48-B are ROHS3 compliant, matching the EM3596-RT compliance status.

Q: Which substitute offers the lowest power consumption?

A: The EFR32MG24A010F1024IM48-B provides significantly lower current consumption: 4.4mA ~ 5.1mA during receive versus 24.6mA ~ 29.5mA on the EM3596-RT. This advantage applies only if Bluetooth protocol substitution is acceptable for the application.

Q: What is the moisture sensitivity level difference?

A: EM3596-RT and CC2538SF53RTQR both have MSL 3 (168 Hours). EFR32MG24A010F1024IM48-B has superior MSL 2 (1 Year), providing extended shelf life and reduced reflow sensitivity.