AM5728BABCXA Complete Guide: Dual Cortex-A15 1.5GHz Sitara MPU Specs, Alternatives, and Design Notes

The AM5728BABCXA is a Texas Instruments Sitara microprocessor (SoC) that integrates dual 32-bit ARM Cortex-A15 cores running at up to 1.5 GHz, dual C66x floating-point DSP cores, and a PowerVR SGX544 3D graphics accelerator in a 760-ball FCBGA (ABC) package measuring 23x23 mm. It is rated from -40C to +105C for industrial environments and supports DDR3/DDR3L memory plus Gigabit Ethernet, USB 3.0, PCIe, and SATA connectivity, with HDMI and LCD display outputs and an integrated H.264 encode/decode engine. The part is in active production, is in stock on XAIPART with 99,999 units available as of 2026-09-04, is priced from $62.50 (qty 1) down to $42.50 (qty 1000+), and carries an MOQ of 1, making it readily sourceable for both prototypes and production builds.

What Is the AM5728BABCXA and Why Do Engineers Choose It?

The AM5728BABCXA belongs to the Sitara AM57x family of heterogeneous multicore processors. Its architecture pairs general-purpose ARM cores with specialized accelerators so that each workload runs on the most efficient engine: the dual Cortex-A15 cores at 1.5 GHz run Linux or RTOS workloads, the dual C66x floating-point DSPs offload math-intensive signal processing, the dual-core PRU-ICSS delivers deterministic real-time I/O for industrial Ethernet protocols, and the PowerVR SGX544 GPU renders graphical interfaces. The device supports both asymmetric (AMP) and symmetric (SMP) multiprocessing, letting you partition real-time traffic away from Linux scheduling jitter.

Engineers choose this SoC when an application needs local edge computing, rich multimedia, and industrial connectivity in one silicon solution - typical of industrial PLCs, medical ultrasound systems, HMI panels, smart grid gateways, and non-safety automotive infotainment. The 760-FCBGA (23x23 mm) 0.8 mm-pitch ball grid array supports high gate density with strong signal integrity for high-speed DDR and SerDes interfaces.

How Do You Design In the AM5728BABCXA?

Designing with a 760-ball industrial SoC demands attention to power, memory, thermal, and software architecture from day one. The verified datasheet for the AM572x family runs 415 pages and covers functional architecture, electrical characteristics, pin multiplexing, and thermal design data for the 760-FCBGA package - download it from the official TI product page and treat it as your primary reference.

Power Delivery and Sequencing

The AM5728 requires multi-rail power delivery for its ARM cores, DSP cores, GPU, memory interface, and I/O banks. Follow the TI datasheet power-sequencing and decoupling recommendations explicitly; sequencing errors on heterogeneous SoCs are among the most common causes of boot failures and long-term reliability issues. Verify exact rail voltages, sequence order, and current budgets in the datasheet electrical characteristics section - these parameters must be taken from the current TI datasheet revision, not from secondary sources. [VERIFY_NEEDED: specific rail voltage values and sequencing order from TI AM572x datasheet]

Memory Subsystem

The device supports DDR3 and DDR3L memory interfaces. Route DDR address, command, and data lines with length-matched, controlled-impedance traces, and follow the datasheet layout guidelines for the 760-FCBGA ball-out. The 0.8 mm-pitch BGA requires careful fanout planning; consider HDI (microvia) stackups for the densest regions. [VERIFY_NEEDED: maximum DDR data rate and supported memory density from TI datasheet]

Real-Time and Graphics Partitioning

Architect your software so the dual-core PRU-ICSS handles deterministic, low-latency I/O such as industrial Ethernet protocols, while the Cortex-A15 cores run the Linux application stack. Offload filtering, beamforming, encryption, and other arithmetic-heavy loops to the dual C66x floating-point DSPs. Use the PowerVR SGX544 GPU for rendering rather than software drawing - it offloads rotation, blending, and vector rendering from the CPU. Use the H.264 encode/decode engine for video pipelines instead of software codecs.

Thermal Management

The -40C to +105C industrial rating gives you margin, but a 1.5 GHz dual-core SoC with active DSPs and GPU dissipates meaningful heat. The 23x23 mm FCBGA presents a finite thermal footprint; model junction temperature at your worst-case workload and ambient, and plan heat spreading (via arrays under the package, board copper pours, or attached heatsinks) accordingly. [VERIFY_NEEDED: typical power dissipation figures from TI datasheet]

Pin Multiplexing

This device supports extensive pin-mux configurations rather than a fixed pin-function map, so the full 760-ball pinout lives in the pin assignment and pin multiplexing sections of the TI AM572x datasheet. Plan your pin-mux table early, because peripheral conflicts discovered after routing force a respin. Confirm boot-mode pin strapping against the datasheet boot devices list. [DATA_NEEDED: boot device configuration details]

Which Alternatives Can Replace the AM5728BABCXA?

The best drop-in replacements come from within the AM57x family, all sharing the 760-FCBGA (ABC) 23x23 mm footprint. Per TI E2E forum discussion on AM5728 pin-2-pin alternatives, the AM5729, AM5726, and AM574x devices share the AM5728 footprint, though feature and pin-multiplexing differences require verification before swapping any variant.

Selection guidance: For existing designs, the AM5728BABCXEA is generally the preferred sourcing choice - it is the same silicon with a newer device revision suffix (typically denoting internal die revisions with errata fixes). Choose the AM5729 when you need additional EVE vision coprocessors; choose the AM5726 for headless industrial gateways to save cost when graphics are unused; choose AM574x devices (AM5748, AM5749) for machine-vision workloads needing dedicated EVE acceleration - AM5749 is the top variant with dual C66x DSP plus dual EVE. Software/device-tree changes are required for AM5729 and AM574x swaps, and pin-mux differences must be verified in the TI datasheet.

Cross-brand equivalents: There is no cross-brand pin-compatible equivalent - 760-ball FCBGA pinouts are proprietary to each vendor. NXP i.MX6/i.MX8 and NVIDIA Jetson modules are functionally comparable but require a complete board redesign; consider them only for new platform designs.

What Is the Market and Supply Situation for the AM5728BABCXA?

The AM5728 family is listed as active on TI.com, meaning it is in production and not scheduled for discontinuation. On XAIPART, the AM5728BABCXA shows 99,999 units in stock as of 2026-09-04 with an MOQ of 1. Pricing as of 2026-09-04 spans five quantity breaks: $62.50 at qty 1, $56.90 at qty 10, $51.20 at qty 100, $46.80 at qty 500, and $42.50 at qty 1000 - an effective 32% unit-cost reduction at the thousand-piece tier.

For production planning, note that Sitara processors historically see periodic allocation cycles, and lead time for large volumes can extend to several weeks depending on TI wafer allocation. Consider buffer stock or qualifying the AM5728BABCXEA variant as a second source to mitigate lead-time risk, since it is the same silicon and pinout. Regarding compliance, TI Sitara processors in FCBGA packaging are manufactured lead-free and RoHS-compliant; however, because the verified data on this page does not include explicit REACH or halogen-free declarations, confirm the exact compliance certificates on the TI product page before finalizing regulatory documentation. [DATA_NEEDED: REACH and halogen-free compliance declarations]

What Should Buyers Watch Next?

• Revision suffix drift: TI suffix revisions such as the XEA variant denote internal die revisions with errata fixes. For new designs, start with the AM5728BABCXEA and verify errata coverage and software compatibility in the TI silicon errata documentation.
• Vision-acceleration roadmap: If your roadmap includes heavier machine-vision workloads, the pin-compatible AM5749 (dual C66x DSP plus dual EVE) lets you add dedicated vision coprocessors without a PCB respin - budget software/device-tree changes instead.
• Cost-optimized headless builds: If graphics are unused, the AM5726 removes the PowerVR SGX544 GPU while staying pin-compatible - a straightforward cost-down path for gateway products.
• Pricing cycles: MPU pricing varies with inventory cycles; the tier structure from $62.50 (qty 1) to $42.50 (qty 1000+) as of 2026-09-04 rewards consolidated orders. Request formal quotes for production volumes and verify live pricing before freezing your BOM.
• Lifecycle confidence: Active status means you can commit to the platform, but for multi-year product programs, register for TI product-change notifications to track any future status changes.

Where Should You Use the AM5728BABCXA - Practical Design Example

Consider a fanless industrial HMI/PLC combo controller. The dual Cortex-A15 cores at 1.5 GHz run a Linux-based logic engine and Qt-rendered HMI, with the SGX544 GPU handling interface rendering over an LCD panel. The dual-core PRU-ICSS interfaces directly to fieldbus PHYs, providing deterministic industrial Ethernet I/O isolated from Linux scheduling jitter. The dual C66x floating-point DSPs execute high-speed filtering and motion-control math, and the H.264 engine compresses a rear-view or process camera stream locally. DDR3L memory provides the bandwidth for smooth animation, Gigabit Ethernet links the panel to the plant network, SATA enables local event logging, and the -40C to +105C industrial grade ensures reliable cabinet operation. The 23x23 mm FCBGA keeps the board compact for fanless enclosure integration, and the shared AM57x footprint preserves a cost-down (AM5726) or vision-upgrade (AM5749) path on the same PCB.

Source the AM5728BABCXA today on the XAIPART product page or browse the full Sitara AM57x family catalog; for more design guidance, see the industrial SoC selection guide.