ATSAMA5D26B-CN - ARM Cortex-A5 MPU 500MHz | Microchip | 289-LFBGA
N.º de pieza: ATSAMA5D26B-CN ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.95 | $18,95 |
| 10 | $17.42 | $174,20 |
| 100 | $15.88 | $1.588,00 |
| 250 | $14.96 | $3.740,00 |
| 500 | $14.21 | $7.105,00 |
| 1.000 | $13.05 | $13.050,00 |
ATSAMA5D26B-CN Descripción general
An ARM Cortex-A5 MPU (microprocessor unit) is a high-performance applications processor designed to run full operating systems such as Linux, whereas microcontrollers (MCUs) typically run bare-metal or RTOS firmware. Cortex-A5 cores implement the Armv7-A architecture with virtual memory via an MMU, optional NEON SIMD media engine for accelerated audio/video codecs, and TrustZone hardware isolation for secure boot and DRM. Within the broader taxonomy, Cortex-A5 sits between Cortex-A7 and Cortex-M7, offering higher compute density than MCUs while consuming less power than Cortex-A9/A53 designs.
Key features of the ATSAMA5D26B-CN include a 128 kbyte L2 cache, configurable as SRAM; an embedded audio subsystem; multiple memory interfaces supporting DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, and e.MMC Flash; state-of-the-art security with secure boot, secure key storage, and crypto accelerators (AES, SHA, TRNG); an ultra-low-power mode with 5 uA backup consumption; and an integrated FUSE controller for OTP configuration. The 0.8 mm ball pitch simplifies PCB design and reduces layer count.
Typical applications include industrial HMI panels, smart energy gateways, IoT edge nodes, medical patient monitors, automotive infotainment, point-of-sale terminals, and connected appliances where Linux/Android-class application processing is required alongside secure connectivity and rich peripherals (I2C, SPI, USART, QSPI, CAN, HSIC). The simple power management scheme and low-power architecture extend battery life in portable products. The -CN suffix indicates the industrial temperature grade (-40C to +85C) packaged in LFBGA.
When designing with this device, allocate PCB area for the 14x14 mm LFBGA footprint with appropriate microvia stack-up, ensure DDR routing is length-matched within the JEDEC specification, and budget for an external power management IC (PMIC) to supply the multiple voltage rails. The 0.8 mm ball pitch allows use of standard 4-layer PCB processes with laser-drilled microvias.
This page synthesizes distributor pricing, drop-in alternatives from the SAMA5D2 family, and practical design notes not consolidated in the manufacturer datasheet.
Alternativas directas para ATSAMA5D26B-CN — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATSAMA5D26B-CN (mismo factor de forma y huella) — difiere en Package, Ethernet, USB, Core Architecture, CAN.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAMA5D26B-CNR
✅ Sustitución directa✓ En stock
$9.1 / unidad
Ver hoja de datos →ATSAMA5D26A-CUR
✅ Sustitución directa✓ En stock
$14.2 / unidad
Ver hoja de datos →ATSAMA5D26A-CN
✅ Sustitución directa✓ En stock
$15.2 / unidad
Ver hoja de datos →ATSAMA5D24B-CU
✅ Sustitución directa✓ En stock
$10.42 / unidad
Ver hoja de datos →ATSAMA5D22A-CN
✅ Sustitución directa✓ En stock
$9.95 / unidad
Ver hoja de datos →ATSAMA5D26B-CN Valores máximos y características eléctricas
| Core Architecture | ARM Cortex-A5 (Armv7-A) |
| Number of Cores | 1 |
| Frecuencia de reloj máxima | 500 MHz |
| L1 Instruction Cache | 32 kbyte |
| L1 Data Cache | 32 kbyte |
| L2 Cache | 128 kbyte (configurable as SRAM) |
| Memory Management Unit | Yes (MMU) |
| NEON Media Processing Engine | Yes |
| Arm TrustZone | Yes |
| ETM/ETB Support | Yes |
| DDR Memory Interface | DDR2, DDR3L, LPDDR2, LPDDR3 |
| Flash Memory Interface | QSPI, e.MMC |
| Backup Mode Current | 5 uA |
| Security Features | Secure boot, AES, SHA, TRNG, tamper pins |
| Peripheral Interfaces | I2C, SPI, USART, UART, QSPI, CAN, HSIC, SMC |
| Embedded Audio Subsystem | Yes |
| Encapsulado | 289-LFBGA (14x14 mm) |
| Ball Pitch | 0.8 mm |
| Rango de temperatura de funcionamiento | -40C to +85C (industrial, -CN grade) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Guía de configuración de pines de ATSAMA5D26B-CN 289-lfbga (14x14 mm)
Configuración de pines para ATSAMA5D26B-CN (encapsulado 289-lfbga (14x14 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para ATSAMA5D26B-CN.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATSAMA5D26B-CN es adecuado para 8 aplicacións: Industrial IoT Gateway, Human-Machine Interface (HMI) Panels, Medical Patient Monitoring, Smart Energy Meter and Gateway, Automotive Infotainment Head Unit, Point-of-Sale (POS) Terminal, Connected Appliance Controller, Building Automation Controller.
Industrial IoT Gateway
The ATSAMA5D26B-CN is well-suited for industrial IoT gateways that aggregate sensor data from Modbus, CAN, and Ethernet fieldbus networks and forward it to cloud platforms over MQTT or CoAP. Its 500 MHz Cortex-A5 core runs embedded Linux with sufficient headroom for protocol translation, TLS termination, and edge analytics. The integrated AES/SHA/TRNG crypto accelerators enable hardware root-of-trust and encrypted TLS sessions without taxing the CPU. DDR3L support provides high-bandwidth memory for buffering burst sensor traffic, while the 5 uA backup current preserves battery life during sleep cycles. The industrial -40C to +85C temperature grade ensures reliable operation in unconditioned factory cabinets. Microchip's MPU Linux4SAM distribution provides long-term kernel and security patch support. Compared to Cortex-M MCUs, the ATSAMA5D26B-CN handles TCP/IP stacks and TLS handshakes in software without external radios.
Recomendado
Human-Machine Interface (HMI) Panels
The ATSAMA5D26B-CN drives industrial HMI panels with capacitive touchscreens, RGB or LVDS displays, and real-time graphical user interfaces running Qt or Web-based frontends. The Cortex-A5 NEON engine accelerates JPEG/PNG decode and 2D graphics composition, while the integrated LCD controller supports displays up to WXGA resolution with parallel RGB or LVDS output. The MMU enables full Linux with hardware-accelerated 2D graphics libraries. Designers can use the SAME70 or SAMA5D2 BSPs from Microchip's repository to accelerate time-to-market. The 128 kbyte L2 cache improves GUI responsiveness under load, and the DDR3L interface feeds the display pipeline at sufficient bandwidth. Compared to lower-end Cortex-M7 designs, the ATSAMA5D26B-CN delivers true WebKit/Chromium rendering performance in a power-efficient envelope.
Recomendado
Medical Patient Monitoring
The ATSAMA5D26B-CN powers portable patient monitors measuring ECG, SpO2, temperature, and respiration with secure data transmission to hospital EMR systems. The Cortex-A5 core runs embedded Linux with deterministic real-time scheduling for vital sign acquisition while the AES hardware accelerator secures HL7 FHIR data exchange. The integrated audio subsystem enables voice prompts and alarm tones. The industrial temperature grade ensures reliable operation near patients and hospital HVAC zones. The 5 uA backup current extends battery life during patient transport. Microchip provides IEC 62304-compliant software artifacts and a documented development process for medical device certification. Compared to non-secure Cortex-A5 alternatives, the ATSAMA5D26B-CN's tamper detection pins protect against physical attacks on patient data at rest.
Recomendado
Smart Energy Meter and Gateway
The ATSAMA5D26B-CN supports smart electricity, water, and gas meters with PLC, RF mesh, or cellular backhaul. The Cortex-A5 core runs metering firmware plus DLMS/COSEM or wireless M-Bus protocol stacks with hardware AES for encrypted meter readings. The 5 uA backup current extends battery life in gas/water meters to over 10 years. The industrial temperature grade ensures outdoor cabinet reliability from -40C in Nordic winters to +85C in desert enclosures. DDR3L/LPDDR3 support accommodates smart grid aggregators that store interval data for nonvolatile transmission. Microchip's certified DLMS/COSEM library shortens utility meter certification cycles. Compared to Cortex-M0+ alternatives, the ATSAMA5D26B-CN handles DLMS and secure OTA updates with substantial margin.
Recomendado
Automotive Infotainment Head Unit
The ATSAMA5D26B-CN drives entry-level automotive infotainment head units with radio, media playback, and Bluetooth connectivity. The Cortex-A5 core runs Automotive Grade Linux or QNX with NEON-accelerated audio codecs and the integrated audio subsystem routing to Class-D amplifiers. Hardware AES secures vehicle-to-cloud communication for OTA firmware updates, while TrustZone protects digital rights management for premium audio content. The industrial temperature grade supports automotive cabin environments. Designers can leverage Microchip's MOST and CAN-FD reference designs for body network integration. Compared to entry-level Cortex-M MPUs, the ATSAMA5D26B-CN provides actual touchscreen GUI performance with WebKit/Chromium rendering. Note that the -CN variant is industrial grade; the -CNVAO or automotive-qualified variant is required for AEC-Q100 designs.
Recomendado
Point-of-Sale (POS) Terminal
The ATSAMA5D26B-CN powers secure retail POS terminals processing EMV chip card, NFC contactless, and PIN entry transactions. The Cortex-A5 core runs Linux-based payment applications while TrustZone isolates payment keys and the AES/SHA hardware accelerators encrypt transaction data end-to-end. The integrated LCD controller drives operator and customer-facing displays, and the QSPI interface supports fast external flash for transaction logging. PCI PTS certification is achievable using Microchip's reference security architecture and the ATECC608B secure element. The industrial temperature grade supports retail floor and outdoor terminal environments. Compared to discrete secure MCU architectures, the ATSAMA5D26B-CN consolidates application processing and secure element functions into a single BGA package reducing BOM cost and PCB area.
Recomendado
Connected Appliance Controller
The ATSAMA5D26B-CN drives Wi-Fi-connected home appliances including refrigerators, washing machines, ovens, and HVAC controllers. The Cortex-A5 core runs MQTT/CoAP clients and provider-specific cloud SDKs while the AES hardware accelerator secures cloud credentials and OTA firmware updates. The integrated audio subsystem provides voice prompts and alarm tones, and the LCD controller drives front-panel displays. The 5 uA backup current preserves battery-backed clock and settings during power loss, while the industrial temperature grade ensures reliable operation in kitchen and garage environments. Compared to bare-metal Wi-Fi MCU designs, the ATSAMA5D26B-CN's Linux support simplifies AWS IoT, Azure IoT, and Google Cloud IoT integration with mature TLS libraries and JSON parsers.
Recomendado
Building Automation Controller
The ATSAMA5D26B-CN powers BACnet, KNX, and LonWorks building automation controllers managing HVAC, lighting, and access control subsystems. The Cortex-A5 core runs BACnet/IP stacks and BACnet Secure Connect with hardware AES for encrypted building network communication. The DDR3L interface supports large point databases and trend logs required for commercial buildings, while the rich peripheral set (CAN, USART, SPI, I2C) interfaces with legacy building subsystems. The industrial temperature grade ensures reliable operation in mechanical rooms and rooftop installations. Microchip's certified BACnet stack accelerates certification for ASHRAE 135 compliance. Compared to lower-power Cortex-M7 designs, the ATSAMA5D26B-CN handles BACnet Secure Connect TLS handshakes with full headroom for building analytics workloads.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAMA5D26B-CN — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAMA5D26B-CNR | ATSAMA5D26A-CUR | ATSAMA5D26A-CN | ATSAMA5D24B-CU | ATSAMA5D22A-CN |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 289-LFBGA (14x14 mm) | 289-LFBGA (14x14 mm) - same | 289-LFBGA (14x14 mm) - same | 289-LFBGA (14x14 mm) - same | 289-LFBGA (14x14 mm) - same | 289-LFBGA (14x14 mm) - same |
| Maximum Clock Frequency | 500 MHz | 500 MHz | 500 MHz | 500 MHz | 500 MHz | 500 MHz |
| L2 Cache | 128 kbyte | 128 kbyte | 128 kbyte | 128 kbyte | 128 kbyte | 128 kbyte |
| Security Features | Full (secure boot, AES, SHA, TRNG, tamper) | Full | Full | Full | Reduced | Reduced |
| Embedded Audio Subsystem | Yes | Yes | Yes | Yes | Yes | No |
| Temperature Grade | Industrial (-40C to +85C) | Industrial | Industrial | Industrial | Industrial | Industrial |
| Silicon Revision | B | B | A | A | B | A |
| Approximate Unit Price (qty-1, USD) | $18.95 | $18.95 | $19.50 | $19.50 | $15.20 | $13.40 |
Diferenciadores clave
- Full security subsystem including tamper detection pins (frente a ATSAMA5D24B-CU)
- Embedded audio subsystem (frente a ATSAMA5D22A-CN)
- Latest silicon revision (B) with bug fixes (frente a ATSAMA5D26A-CN)
- Wide peripheral integration including CAN and HSIC (frente a Lower-end Cortex-M MCUs)
- Linux-class application processing at industrial temperature grade (frente a ATSAM4S series Cortex-M4 MCUs)
Notas de diseño
The 289-LFBGA package uses a 14x14 mm body with 0.8 mm ball pitch. PCB design requires laser-drilled microvias in the BGA break-out region and 4-layer stack-up minimum. Microchip's SAMA5D2 hardware design checklist recommends placing the DDR3L SDRAM within 50 mm trace length to maintain signal integrity. Decoupling: place 100 nF X7R capacitors on every VDDCORE, VDDIO, and VDDPLL pin within 2 mm trace length, plus bulk 10 uF X5R capacitors at each power rail entry. The exposed pad (if present) must be soldered to a continuous ground plane for thermal dissipation; the package dissipates up to 1.2 W under full load.
Estimated: At 500 MHz with all peripherals active, the ATSAMA5D26B-CN draws approximately 350 mW core power plus DDR I/O power, totaling near 1 W total system-on-chip dissipation. With the 289-LFBGA package and theta_JA of approximately 25 C/W on a 4-layer JEDEC JESD51 test board, junction temperature rise above ambient is roughly 25 C. At industrial +85C ambient, junction reaches 110 C - within the 125 C Tj max. Designers should still place thermal vias under the central ball array connected to internal ground planes for heat spreading. Forced airflow is recommended for fanless enclosures above 1 W total system power dissipation.
Three critical pitfalls to avoid: (1) Do not omit the external 32.768 kHz crystal on the SLOWCLK pins - the RTC and backup domain depend on it and software will hang at boot without it. (2) Do not connect VDDCORE directly to VDDIO; use a Microchip-recommended PMIC such as MCP16502 or discrete LDO chain with proper power-up sequencing. (3) Verify silicon revision before flashing firmware - the ATSAMA5D26B (revision B) and ATSAMA5D26A (revision A) share the same datasheet but have different errata; check the bootrom version at reset to confirm silicon revision before booting Linux.
DDR3L routing requires length matching within +/-25 mil across the byte lanes and within +/-50 mil across the address/command group per JEDEC JESD79-3-F. Use a 50 ohm controlled-impedance microstrip on the top layer with continuous reference ground plane on layer 2. VTT termination is mandatory for DDR3L; use a dedicated VTT regulator at 0.75*VDDQ. For QSPI flash interfaces routed to the boot ROM, keep trace lengths under 50 mm and use series damping resistors to reduce ringing on clock edges above 50 MHz SDR clock rate.
Recommended power tree uses the MCP16502 PMIC generating 1.0V VDDCORE, 1.5V VDD_DDR, 1.8V VDDIO, and 3.3V VDDA from a single 3.6-5.5V input. The PMIC supports dynamic voltage scaling coordinated with Linux CPUFreq drivers. Add a coin-cell or supercapacitor on the backup domain (VDDBU) for RTC retention during main power loss; backup current is 5 uA typical so a 1 F supercapacitor provides approximately 50 hours of RTC retention. Always enable the secure boot fuse programming during production to lock the bootrom to authenticated firmware images.
Información de cumplimiento
RoHS and REACH compliance confirmed per Microchip product page. The -CN suffix denotes industrial temperature grade (-40C to +85C); not AEC-Q100 qualified - automotive designs require the ATSAMA5D26 automotive-qualified variant. Halogen-free status not explicitly stated in available data.