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Silicon Labs ACC-ZDB5304-U

Name: ACC-ZDB5304-U
Brand: Silicon Labs
SKU: ACC-ZDB5304-U
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ACC-ZDB5304-U

Manufacturer:: Silicon Labs

Category:: RF, RFID, Wireless Evaluation Boards

Package:

Datasheet:: ACC-ZDB5304-U.pdf

Description:: DEVELOPMENT BOARD W/ ZM5304

Quantity:: RFQ Add To RFQ list

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Inventory:3,621

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Product details

Overview

ACC-ZDB5304-U from Sigma Designs is a fully self-contained Z-Wave® serial interface module with integrated helical antenna, FCC modular approval, and pre-scanned CE compliance. It implements hardware-assisted frequency agility across up to 3 channels, supports 9.6/40/100 kbit/s data rates, operates from 2.3–3.6 V, and delivers −26 to +4 dBm RF output power for gateways and smart TVs.

For engineers reviewing the ACC-ZDB5304-U datasheet, ACC-ZDB5304-U pinout, ACC-ZDB5304-U application, or ACC-ZDB5304-U equivalent, key selection criteria include regional frequency support (868/908/921 MHz), UART/USB full-speed host interface, hardware AES-128 security engine, 2 µA sleep current, and firmware-upgradable architecture without hardware replacement.

Technical Context

The ACC-ZDB5304-U integrates the SD3503 Z-Wave SoC in a PCB module form factor, exposing the standardized Z-Wave Serial API over UART or USB 2.0 full-speed device interface. It includes on-board SAW filtering and a helical antenna, eliminating external RF design effort.

Hardware acceleration enables real-time channel switching without software intervention or communication overhead; the module also embeds supply regulators, battery monitoring, and a dedicated hardware AES-128 engine-distinct from earlier ZM-series modules that rely on software encryption.

Key Specifications

Parameter	Value and Actual Design Meaning
Frequency Bands	868 MHz (EU), 908 MHz (US), 921 MHz (ANZ) - region-specific variants required for regulatory compliance
Data Rates	9.6 / 40 / 100 kbit/s - selectable per network conditions; 100 kbit/s enables faster node inclusion and firmware updates
RF Output Power	−26 to +4 dBm - adjustable transmit level supports range vs. power trade-offs in compact enclosures
Rx Sensitivity	−103 dBm @ 9.6 kbit/s - ensures reliable reception in noisy residential RF environments
Sleep Current	2 µA - enables multi-year battery life in always-on gateway standby modes
Power Supply	2.3–3.6 V - compatible with single-cell Li-ion, Li-poly, or regulated 3.3 V system rails
Security Engine	Hardware AES-128 - offloads encryption from host MCU, prevents timing-side-channel attacks

Pinout & Package

ACC-ZDB5304-U is supplied in a 27 mm × 15.2 mm × 5.5 mm PCB module with castellated edge pads and integrated helical antenna. Pinout is defined by the Z-Wave Serial API physical layer interface.

Pin/Terminal	Circuit Role	Design Meaning
VDD	Power supply input	2.3–3.6 V main supply; bypass capacitor required per layout guidelines
GND	Ground reference	Dedicated analog/digital ground plane connection; critical for RF stability
UART_TX / UART_RX	Asynchronous serial interface	3.3 V logic-level UART for Z-Wave Serial API command/response framing
USB_DP / USB_DM	USB 2.0 full-speed differential pair	Plug-and-play host enumeration; supports firmware update and debug without UART bridge
RESET_N	Active-low reset input	Asynchronous hardware reset; debounced externally or via host GPIO
ANT	Integrated antenna feed	No external antenna connector; PCB trace feeds embedded helical radiator

Key Features

Feature	Design Value
Z-Wave Serial API over UART/USB	Enables drop-in integration with existing Z-Wave host stacks; no protocol translation layer needed
Hardware-assisted frequency agility	Automatic channel selection and switch within <10 ms, independent of host CPU load or firmware state
On-board helical antenna + SAW filter	Eliminates RF matching network and external antenna footprint; meets conducted emission limits out-of-box
Firmware upgrade via UART or USB	Field-upgradable without rework or module replacement; preserves BOM continuity across Z-Wave spec revisions
Battery monitor & supply regulators	Supports direct connection to unregulated battery sources; enables accurate low-battery detection in portable gateways

Applications

Smart Home Gateway	Smart TV Integration
Use Scenario: Central Z-Wave controller aggregating lighting, lock, and sensor traffic in multi-vendor home automation systems. IC Role / Device Role / Timing Role: Z-Wave modem and protocol stack accelerator; handles PHY/MAC layer processing and secure frame encryption. Use Value: Pre-certified RF design reduces time-to-market by 6+ months versus discrete transceiver + MCU implementation.	Use Scenario: Embedded Z-Wave controller enabling remote control of blinds, thermostats, and outlets via TV UI and voice assistant. IC Role / Device Role / Timing Role: Serial interface module providing certified wireless connectivity without adding RF design risk to high-volume AV platforms. Use Value: 2 µA sleep current extends standby runtime; hardware AES-128 prevents key extraction during OTA updates.
Set-Top Box Remote Hub	Commercial Building Controller
Use Scenario: STB-based hub managing Z-Wave devices in rental units where Wi-Fi coexistence and regulatory reuse are mandatory. IC Role / Device Role / Timing Role: Region-locked Z-Wave radio (e.g., 868 MHz EU variant) with automatic channel agility to avoid Wi-Fi interference. Use Value: FCC modular approval allows STB OEMs to avoid full-system RF retesting when integrating ACC-ZDB5304-U.	Use Scenario: DIN-rail mounted controller coordinating HVAC, lighting, and access control across office floors using Z-Wave LR extension. IC Role / Device Role / Timing Role: Certified Z-Wave endpoint with hardware security engine ensuring encrypted commissioning and command replay protection. Use Value: −103 dBm sensitivity maintains link budget in large metal-framed buildings; USB firmware update simplifies fleet-wide patch deployment.

Smart Home Gateway

Smart TV Integration

Use Scenario: Central Z-Wave controller aggregating lighting, lock, and sensor traffic in multi-vendor home automation systems.

IC Role / Device Role / Timing Role: Z-Wave modem and protocol stack accelerator; handles PHY/MAC layer processing and secure frame encryption.

Use Value: Pre-certified RF design reduces time-to-market by 6+ months versus discrete transceiver + MCU implementation.

Use Scenario: Embedded Z-Wave controller enabling remote control of blinds, thermostats, and outlets via TV UI and voice assistant.

IC Role / Device Role / Timing Role: Serial interface module providing certified wireless connectivity without adding RF design risk to high-volume AV platforms.

Use Value: 2 µA sleep current extends standby runtime; hardware AES-128 prevents key extraction during OTA updates.

Set-Top Box Remote Hub

Commercial Building Controller

Use Scenario: STB-based hub managing Z-Wave devices in rental units where Wi-Fi coexistence and regulatory reuse are mandatory.

IC Role / Device Role / Timing Role: Region-locked Z-Wave radio (e.g., 868 MHz EU variant) with automatic channel agility to avoid Wi-Fi interference.

Use Value: FCC modular approval allows STB OEMs to avoid full-system RF retesting when integrating ACC-ZDB5304-U.

Use Scenario: DIN-rail mounted controller coordinating HVAC, lighting, and access control across office floors using Z-Wave LR extension.

IC Role / Device Role / Timing Role: Certified Z-Wave endpoint with hardware security engine ensuring encrypted commissioning and command replay protection.

Use Value: −103 dBm sensitivity maintains link budget in large metal-framed buildings; USB firmware update simplifies fleet-wide patch deployment.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Z-Wave serial interface applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZM5202	Lacks integrated antenna and USB interface; requires external SAW filter and RF matching; 1 µA sleep current	Targeted at cost-sensitive, space-constrained designs where antenna placement is controlled externally	Choose ZM5202 only if board-level RF expertise exists and antenna integration is handled separately
ZM5302	Same SD3503 SoC but uses external IPEX antenna connector instead of helical; no USB interface; identical UART and security features	Preferred for products requiring field-replaceable or directional antennas (e.g., wall-mounted repeaters)	Select ZM5302 when mechanical flexibility or regulatory reuse across multiple enclosure types is prioritized over plug-and-play integration

Compared with ZM5202 and ZM5302, the ACC-ZDB5304-U uniquely combines FCC-certified antenna integration, USB 2.0 full-speed support, and zero-external-RF-design requirement-reducing validation scope and accelerating certification for consumer electronics OEMs.

Availability

ACC-ZDB5304-U is available at Aetrix Electronics and suitable for smart home gateways, set-top box hubs, and commercial building controllers requiring stable component supply, long-term lifecycle assurance, and pre-certified Z-Wave RF compliance.

Supply support for ACC-ZDB5304-U includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Sigma Designs was a fabless semiconductor company specializing in system-on-chip solutions for home entertainment and control, including Z-Wave, media processing, and smart TV platforms before its Z-Wave assets were acquired by Silicon Labs in 2018.

The ACC-ZDB5304-U belongs to the ZM53xx family of certified Z-Wave serial interface modules designed specifically to eliminate RF design complexity and accelerate time-to-market for consumer electronics integrating Z-Wave mesh networking.

FAQ

What regulatory certifications does the ACC-ZDB5304-U include?

The ACC-ZDB5304-U carries full FCC modular approval and is pre-scanned for CE RED compliance. It meets FCC Part 15.247 and ETSI EN 300 440 requirements for its designated regional frequency band (868/908/921 MHz). No additional RF testing is required when used per manufacturer layout guidelines. The ACC-ZDB5304-U documentation includes test reports and certification IDs for each variant.

Does the ACC-ZDB5304-U support Z-Wave Long Range (LR)?

No, the ACC-ZDB5304-U implements the legacy Z-Wave 500-series protocol stack and does not support Z-Wave Long Range (LR) features such as sub-GHz OFDM modulation or extended frame sizes. It is compliant with Z-Wave 500/700-series interoperability standards up to firmware version 6.71, but lacks the hardware baseband processor required for LR mode. For LR capability, consider Silicon Labs' ZGM130S-based modules.

Can the ACC-ZDB5304-U be upgraded to newer Z-Wave protocol versions?

Yes, the ACC-ZDB5304-U supports field firmware upgrades via UART or USB to maintain compatibility with newer Z-Wave command classes and security frameworks (e.g., S2 authentication). Upgrades require Sigma Designs' official Z-Wave PC Controller software and signed firmware images. The ACC-ZDB5304-U retains backward compatibility with all prior Z-Wave generations, including 300-series devices.

What is the maximum operating temperature for the ACC-ZDB5304-U?

The ACC-ZDB5304-U is rated for operation from −40 °C to +85 °C ambient temperature, validated under continuous transmission at +4 dBm output power. Thermal derating begins above 70 °C case temperature; PCB layout must provide ≥1 cm² copper pour under the module for heat dissipation. This rating aligns with industrial-grade consumer electronics deployments, including enclosed set-top boxes and wall-mounted gateways.

Is the ACC-ZDB5304-U pin-compatible with other ZM53xx modules?

No, the ACC-ZDB5304-U has a unique 27 mm × 15.2 mm footprint and castellated pad layout optimized for its integrated helical antenna. While it shares the same SD3503 SoC core and Serial API interface as ZM5302, pin assignments differ due to USB signal routing and antenna feed placement. Direct replacement requires PCB redesign; migration paths must account for mechanical and RF layout differences.

ACC-ZDB5304-U Specifications

Product attributes: Attribute value

Manufacturer:: Silicon Labs

Series:: Z-Wave®

Packaging:: Box

Product Status:: Obsolete

Type:: Transceiver, Z-Wave

Frequency:: 908MHz

Contents:: Board(s)

Utilized IC / Part:: Z-Wave

ACC-ZDB5304-U FAQ

1.How can I place an order for ACC-ZDB5304-U through Aetrix?

Please submit a Request for Quotation (RFQ) for ACC-ZDB5304-U on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ACC-ZDB5304-U reliable?

The price and inventory of ACC-ZDB5304-U are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ACC-ZDB5304-U is usually 5 days.

3.What payment methods are accepted for ACC-ZDB5304-U?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ACC-ZDB5304-U transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ACC-ZDB5304-U?

ACC-ZDB5304-U orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ACC-ZDB5304-U order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ACC-ZDB5304-U?

For technical support, including ACC-ZDB5304-U datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ACC-ZDB5304-U requirements.

6.How does Aetrix verify that ACC-ZDB5304-U is sourced from the original manufacturer or authorized distributors?

All ACC-ZDB5304-U products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ACC-ZDB5304-U meets industry standards.

7.What is the process for return or replacement of ACC-ZDB5304-U?

All ACC-ZDB5304-U units undergo pre-shipment inspection (PSI). If there is an issue with ACC-ZDB5304-U, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ACC-ZDB5304-U part is unused and in its original packaging.

Return procedure for ACC-ZDB5304-U:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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