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Microchip Technology ATA5830N-PNQW
- Part No.:
- ATA5830N-PNQW
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
ATA5830N-PNQW.pdf
- Description:
- IC RF TXRX+MCU ISM<1GHZ 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,967
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Product details
Overview
ATA5830N-PNQW from Microchip (formerly Atmel) is a highly integrated UHF ASK/FSK transceiver IC with embedded 8-bit AVR microcontroller, 24KB ROM firmware, 6KB in-system programmable Flash, and dual receive paths for autonomous multi-channel polling. It operates across 310–318 MHz, 418–477 MHz, and 836–928 MHz bands, supports Manchester-coded FSK/ASK up to 20 kbit/s, and delivers –106 dBm sensitivity at 433.92 MHz with 20 kbit/s - enabling robust RKE and TPMS key fob applications.
For engineers reviewing the ATA5830N-PNQW datasheet, ATA5830N-PNQW pinout, ATA5830N-PNQW application, or ATA5830N-PNQW equivalent, this page provides verified RF performance specs, SPI-controlled operation modes (RX/TX/Polling/TC), low-power OFFMode (5 nA typical), fractional-N PLL frequency synthesis, automatic antenna tuning, and dual-path wake-up filtering - all critical for automotive remote entry and tire pressure monitoring system design.
Technical Context
The ATA5830N-PNQW implements a low-IF receiver architecture with digitized IF processing, achieving 55 dB image rejection at 315/433.92 MHz and 47 dB at 868.3/915 MHz without calibration. Its fractional-N PLL provides 93 Hz resolution in low-band and 185 Hz in high-band, supporting precise channel selection across ISM bands.
Two independent digital baseband receive paths enable concurrent scanning of different modulations, data rates, and wake-up conditions - e.g., simultaneous RKE (FSK), TPMS (ASK), and RS (FSK) on separate frequencies. The integrated SPDT switch eliminates external RX/TX switching, while ANT_TUNE enables closed-loop loop antenna tuning for hand-effect compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Bands | 310–318 MHz, 418–477 MHz, 836–928 MHz - covers global ISM bands including 315.00/433.92/868.30/915.00 MHz with single 24.305 MHz crystal |
| RX Sensitivity (FSK) | –106 dBm @ 433.92 MHz, 20 kbit/s, Δf = ±20 kHz - enables reliable reception in noisy automotive environments |
| TX Output Power | Programmable from –12 dBm to +14.5 dBm in 0.4 dB steps - supports regulatory compliance and range optimization |
| OFFMode Current | 5 nA typical (max 600 nA @ 3.6 V, 85°C) - enables decade-long battery life in key fobs |
| Data Rate Support | 0.5–20 kbit/s buffered; up to 80 kbit/s Manchester, 160 kbit/s NRZ - accommodates legacy and enhanced telemetry protocols |
| Supply Voltage | 1.9–3.6 V or 4.5–5.5 V - dual-range operation supports lithium coin cells and vehicle 5 V rails |
| Operating Temperature | –40°C to +105°C - qualified for under-hood and exterior automotive deployment |
| Package | 5 mm × 5 mm QFN32, 0.5 mm pitch - compact footprint for space-constrained key fob PCBs |
Pinout & Package
ATA5830N-PNQW uses a 5 mm × 5 mm QFN32 package with exposed die pad (AGND). Pin functions are validated per Atmel document 9208DS–RKE–07/11.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFIN_LB (Pin 1) | Low-band LNA input | RF signal input for 310–477 MHz band; requires DC path to ground via matching inductor |
| RFIN_HB (Pin 2) | High-band LNA input | RF signal input for 836–928 MHz band; used instead of RFIN_LB in 868/915 MHz applications |
| SPDT_ANT (Pin 4) | Antenna interface | 50 Ω bidirectional port for RX/TX; connects to loop antenna or SAW filter |
| ANT_TUNE (Pin 5) | Varactor control | Drives internal tuning capacitor for automatic loop antenna resonance adjustment at TX frequency |
| RFOUT (Pin 7) | PA output | Power amplifier RF output; matched to SPDT_TX for efficient transmission |
| VS_PA (Pin 8) | PA supply | Internal LDO output (2.7–3.3 V) for PA; decoupled with external capacitor to stabilize 5 V operation |
| PB6 (Pin 28) | EVENT output | Firmware-controlled flag signaling valid telegram reception or FIFO readiness to host MCU |
| PC1–PC5 (Pins 15–19) | NPWRON inputs | Active-low wake-up pins with 50 kΩ internal pull-ups; support button-driven OFFMode exit in standalone key fobs |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent RX paths | Enables concurrent scanning of RKE (FSK), TPMS (ASK), and RS (FSK) with distinct modulation, data rate, and wake-up criteria |
| Automatic antenna tuning | Compensates for detuning caused by hand proximity or component variation in loop antennas - no manual calibration required |
| Programmable RX-IF bandwidth | 25–366 kHz (≈10% steps) - adapts filtering to data rate and interference environment for optimal SNR |
| Digital RSSI with ±1 dB accuracy | Digitized IF processing enables precise signal strength measurement for link quality assessment and adaptive power control |
| Autonomous 3-channel polling | Scans up to five frequencies (e.g., three RKE + one TPMS + one RS) without host MCU intervention - reduces system power and latency |
| Integrated SPDT switch | Eliminates need for external TX/RX switch - reduces BOM cost and PCB area in compact key fob designs |
Applications
| Remote Keyless Entry (RKE) | Tire Pressure Monitoring System (TPMS) |
|---|---|
Use Scenario: Battery-powered key fob transmitting door lock/unlock commands to vehicle receiver. IC Role / Device Role / Timing Role: Full transceiver handling ASK/FSK modulation, preamble detection, ID validation, and autonomous polling of multiple RKE channels. Use Value: Enables 10+ year battery life via 5 nA OFFMode current and reduces host MCU wake-ups using pattern-based wake-up and start-of-frame identification. | Use Scenario: Wheel-mounted sensor module transmitting tire pressure/temperature data to vehicle ECU. IC Role / Device Role / Timing Role: Low-power ASK transceiver with configurable data rate (0.75–20 kbit/s) and high sensitivity (–117 dBm @ 1 kbit/s) for weak-signal telemetry. Use Value: Supports long-range transmission from rotating wheel with minimal power draw - extends sensor battery life beyond 7 years. |
| Passive Entry Go (PEG) | Remote Start System (RS) |
Use Scenario: Proximity-based vehicle access where fob is detected within ~1.5 m without button press. IC Role / Device Role / Timing Role: Dual-path receiver scanning for encrypted challenge-response telegrams using parallel FSK/ASK demodulation. Use Value: Achieves sub-100 ms response time via channel statistic feature selecting least-interfered RKE channel and fast wake-up from OFFMode. | Use Scenario: User-initiated engine start via key fob, requiring secure command transmission and confirmation feedback. IC Role / Device Role / Timing Role: Bidirectional transceiver supporting TX for start command and RX for ACK/telemetry reply on dedicated RS channel. Use Value: Eliminates need for separate TX/RX ICs - single ATA5830N-PNQW handles full RS protocol stack with 6 KB Flash for custom encryption logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar UHF transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATA5780N-PNQW | Pin-compatible UHF receiver only; identical RX performance but no TX path or 6 KB Flash | Supports RKE/TPMS receive-only use cases; lacks autonomous polling and custom firmware capability | Select when TX functionality is unnecessary and cost-sensitive receive-only operation suffices |
| SI4463-B1B-FMR | Sub-GHz transceiver with higher max output (+20 dBm), lower RX current (13.7 mA), but no embedded MCU or Flash | Requires external host MCU for protocol handling; better suited for high-range industrial telemetry than automotive key fobs | Select when extended range (>1 km) is prioritized over integrated firmware and ultra-low OFFMode current |
Compared with ATA5780N-PNQW and SI4463-B1B-FMR, the ATA5830N-PNQW uniquely combines embedded AVR control, autonomous multi-channel polling, and 5 nA OFFMode - making it optimal for battery-critical automotive remote entry systems where integration and power efficiency outweigh raw RF performance.
Availability
ATA5830N-PNQW is available at Aetrix Electronics and suitable for Remote Keyless Entry (RKE), Tire Pressure Monitoring Systems (TPMS), and Passive Entry Go (PEG) requiring stable component supply, automotive-grade temperature tolerance (–40°C to +105°C), and long-term lifecycle continuity.
Supply support for ATA5830N-PNQW 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
Microchip Technology acquired Atmel in 2016 and maintains full support for the ATA5830 product line. Microchip is a global leader in microcontrollers, analog, and Flash-IP solutions with broad automotive qualification expertise.
The ATA5830 family was designed specifically for automotive wireless access systems - integrating RF transceiver, AVR microcontroller, and firmware to simplify development of RKE, TPMS, PEG, and remote start modules with minimal external components.
FAQ
What is the OFFMode current specification for ATA5830N-PNQW?
The ATA5830N-PNQW achieves a typical OFFMode current of 5 nA, with a maximum of 600 nA at 3.6 V supply and 85°C ambient temperature. This ultra-low quiescent current enables multi-decade battery life in key fob applications powered by CR2032 cells. The device enters OFFMode automatically after power-on if no NPWRON or PWRON pin is asserted, and exits only upon valid wake-up event - ensuring zero active leakage during storage or standby.
Does ATA5830N-PNQW support both ASK and FSK modulation?
Yes, the ATA5830N-PNQW supports both ASK and FSK modulation schemes across all operating bands. Its dual receive paths allow simultaneous configuration - for example, one path for ASK-based TPMS signals and another for FSK-based RKE telegrams. Sensitivity is specified separately: –107 dBm for ASK at 20 kbit/s and –106 dBm for FSK at 20 kbit/s (both at 433.92 MHz), with deeper sensitivity achievable at lower data rates.
How does the automatic antenna tuning feature work in ATA5830N-PNQW?
The ATA5830N-PNQW's automatic antenna tuning uses the ANT_TUNE pin to drive an internal varactor capacitor, adjusting loop antenna resonance to match the TX center frequency. During TCMode or TXMode initialization, the IC performs closed-loop calibration by sweeping capacitance and measuring reflected power - compensating for detuning caused by hand effects or component tolerances. No external tuning components or manual calibration are required.
What memory resources are available on ATA5830N-PNQW for customer firmware?
The ATA5830N-PNQW provides 6 KB of in-system self-programmable Flash memory for customer application software, alongside 24 KB of factory-programmed ROM containing Atmel's base firmware. It also includes 512 byte EEPROM for transceiver configuration (frequency, modulation, data rate) and 768 byte SRAM for runtime data. Customers use the Flash to extend SPI commands, implement single-wire interfaces, customize polling logic, or add proprietary protocol handling - all without modifying ROM code.
Is ATA5830N-PNQW pin-compatible with any other Atmel/Microchip devices?
Yes, the ATA5830N-PNQW is pin-compatible with the Atmel ATA5780N-PNQW UHF receiver. Both share identical pinout, package (QFN32), and RX performance - allowing drop-in replacement in receive-only designs. However, the ATA5830N-PNQW adds full TX capability, 6 KB Flash, dual RX paths, and autonomous polling features absent in the ATA5780N-PNQW. This compatibility simplifies migration from receiver-only to transceiver-based architectures.
ATA5830N-PNQW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- General ISM < 1GHz
- Protocol:
- -
- Modulation:
- ASK, FSK
- Frequency:
- 315MHz, 434MHz, 868MHz, 915MHz
- Data Rate (Max):
- 80kbps
- Power - Output:
- 14.5dBm
- Sensitivity:
- -121dBm
- Memory Size:
- 6kB Flash, 512B EEPROM, 24kB ROM, 768B SRAM
- Serial Interfaces:
- SPI
- GPIO:
- -
- Voltage - Supply:
- 1.9V ~ 3.6V
- Current - Receiving:
- 9.3mA
- Current - Transmitting:
- 9.1mA ~ 13.8mA
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-QFN (5x5)
ATA5830N-PNQW FAQ
1.How can I place an order for ATA5830N-PNQW through Aetrix?
Please submit a Request for Quotation (RFQ) for ATA5830N-PNQW 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 ATA5830N-PNQW reliable?
The price and inventory of ATA5830N-PNQW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATA5830N-PNQW is usually 5 days.
3.What payment methods are accepted for ATA5830N-PNQW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATA5830N-PNQW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATA5830N-PNQW?
ATA5830N-PNQW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATA5830N-PNQW 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 ATA5830N-PNQW?
For technical support, including ATA5830N-PNQW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATA5830N-PNQW requirements.
6.How does Aetrix verify that ATA5830N-PNQW is sourced from the original manufacturer or authorized distributors?
All ATA5830N-PNQW 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 ATA5830N-PNQW meets industry standards.
7.What is the process for return or replacement of ATA5830N-PNQW?
All ATA5830N-PNQW units undergo pre-shipment inspection (PSI). If there is an issue with ATA5830N-PNQW, 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 ATA5830N-PNQW part is unused and in its original packaging.
Return procedure for ATA5830N-PNQW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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