K3KL5L50DM-BGCU - LPDDR5X 128Gb 8533Mbps DRAM | Samsung
MPN: K3KL5L50DM-BGCU ✓ Active| Qty | Unit Price | Extended |
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Drop-in alternatives for K3KL5L50DM-BGCU — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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K3KL3L30DM-BGCU
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View Datasheet →K3LK3L30CM-BGCU
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View Datasheet →K3KL4L40EM-BGCU
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View Datasheet →K3LK4L40DM-BGCT
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View Datasheet →K3KL5L50DM-BGCU Maximum Ratings & Electrical Characteristics
| Memory Type | LPDDR5X SDRAM |
| Density | 128 Gb (16 GB) |
| Data Rate | 8533 Mbps per pin |
| Mounting Type | Surface Mount (BGA) |
| Interface | LPDDR5X (JEDEC low-power DRAM interface) |
| Prefetch | 16n (LPDDR5/5X architecture) |
| Power Efficiency | approx. 20% better than LPDDR5 (per Samsung LPDDR5X family page) |
| RoHS Status | unknown |
| Production Status | In production (in stock at distributors) |
K3KL5L50DM-BGCU [data_needed: package ball count / fbga code] Pin Configuration Guide
Complete pinout information for K3KL5L50DM-BGCU ([data_needed: package ball count / fbga code] package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
![[data_needed: package ball count / fbga code] package pinout diagram for K3KL5L50DM-BGCU](/assets/package-diagrams/default.svg?v=1788069619)
No detailed pinout data available for K3KL5L50DM-BGCU.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
K3KL5L50DM-BGCU is suitable for 6 applications: Flagship Smartphone Main Memory, Automotive ADAS and Infotainment, Edge AI Inference Accelerators, Tablets and Mobile Computing Devices, 5G Networking and Communication Infrastructure, High-Resolution Camera and Vision Systems.
Flagship Smartphone Main Memory
The K3KL5L50DM-BGCU is a natural fit for flagship smartphone main memory, where its 128 Gb (16 GB) density and 8533 Mbps pin speed deliver the bandwidth modern SoCs demand for multitasking, gaming, and on-device AI. Samsung's LPDDR5X family provides about 20% better power efficiency than LPDDR5, which directly extends battery life in thermally constrained handset enclosures. Placed on the SoC memory bus in a fly-by or point-to-point topology, the device supports deep sleep and dynamic voltage-frequency scaling so idle power drops sharply between burst workloads. The trade-off is strict layout discipline: 8.5 Gbps signaling demands length-matched traces and controller training.
Recommended
Automotive ADAS and Infotainment
Samsung explicitly positions the LPDDR5X family, including parts of this class, for automotive devices, citing 8.5 Gbps speeds and improved efficiency. In ADAS central computers, the K3KL5L50DM-BGCU's 128 Gb density buffers fused data streams from multiple cameras, radar, and LiDAR sensors, while the 8533 Mbps rate sustains the hundreds of GB/s that perception and path-planning algorithms consume. For digital cockpit and infotainment domains, the same bandwidth supports multi-display rendering and voice-assistant inference. Automotive deployment requires confirming the correct temperature-grade suffix and Samsung's automotive qualification path, since mobile-coded parts may not carry the full AEC-level pedigree of automotive ordering codes.
Recommended
Edge AI Inference Accelerators
On-device large language model and vision transformer inference are memory-bandwidth bound, making the K3KL5L50DM-BGCU's 8533 Mbps LPDDR5X interface a strong match for edge AI accelerators. With 128 Gb (16 GB) per package, weights and activations for quantized 7B-class models fit locally, and multiple devices can be paired for 32 GB-class configurations. Compared with LPDDR5 at 6400 Mbps, the 33% pin-speed increase of LPDDR5X translates directly into higher tokens-per-second inference, while Samsung's efficiency improvements reduce thermal throttling in fanless enclosures. Designers should budget for the LPDDR5X training flow and verify the accelerator's memory-controller supports 8.5 Gbps signaling before committing to the footprint.
Recommended
Tablets and Mobile Computing Devices
Premium tablets and thin-and-light notebooks with ARM-based SoCs use LPDDR5X as unified system memory, and the K3KL5L50DM-BGCU's 16 GB per package matches the 16 GB configurations common in these products. The 8533 Mbps data rate feeds both CPU and integrated GPU from a shared memory pool, which is essential for 120 Hz display rendering and video editing workloads. Samsung's roughly 20% power-efficiency gain over LPDDR5 reduces heat in passively cooled chassis, sustaining peak performance longer. Because LPDDR5X is typically soldered down (no SO-DIMM), the BGCU BGA footprint is permanent - memory sizing decisions must be made at board design time, favoring the highest density that cost targets allow.
Recommended
5G Networking and Communication Infrastructure
Samsung's LPDDR5X materials cite IT industry applications, and 5G small cells, baseband cards, and edge gateways benefit from the K3KL5L50DM-BGCU's combination of bandwidth and power efficiency. The 8533 Mbps interface keeps packet-buffer and forwarding-table working sets responsive for line-rate processing, while LPDDR5X's power states reduce energy draw in thermally limited outdoor enclosures. The 128 Gb density supports the large buffers needed for network acceleration, deep-packet inspection, and edge caching. Designers operating in harsh environments must verify the operating temperature grade of the specific ordering code, since standard mobile-grade temperature ranges may not cover extended industrial requirements without the appropriate suffix variant.
Recommended
High-Resolution Camera and Vision Systems
Computational photography modules, machine-vision inspection systems, and video conferencing bars all burst large frame buffers at high frame rates, a workload aligned with the K3KL5L50DM-BGCU's 8533 Mbps bandwidth. Capturing 8K or multi-camera 4K streams requires writing hundreds of MB per frame burst; the 16 GB density of this device sustains deep frame pipelines and on-the-fly AI enhancement (denoise, HDR fusion, depth estimation) without spilling to slower storage. Samsung's LPDDR5X efficiency gains matter in battery-powered camera platforms, and the BGA package supports compact module designs. Fly-by routing and impedance control at 8.5 Gbps are the primary engineering constraints for vision-system boards.
Recommended
Recommended Products Summary
Engineering reference data for K3KL5L50DM-BGCU — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | K3KL3L30DM-BGCU | K3KL3L30CM-BGCU | K3LK3L30CM-BGCU | K3KL4L40EM-BGCU | K3LK4L40DM-BGCT |
|---|---|---|---|---|---|---|
| Package | FBGA (BGCU code, 496-ball class per distributor category) | FBGA (BGCU) - same coding | FBGA (BGCU) - same coding | FBGA (BGCU) - same coding | FBGA (BGCU) - same coding | FBGA (BGCT) - adjacent coding |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics |
| Memory Type | LPDDR5X | LPDDR5X | LPDDR5X | LPDDR5X (stacked) | LPDDR5X | LPDDR5X (stacked) |
| Density | 128 Gb (16 GB) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Data Rate | 8533 Mbps | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Supply Voltage | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Operating Temperature | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Power Efficiency vs LPDDR5 | approx. 20% better (Samsung family claim) | approx. 20% better (LPDDR5X family) | approx. 20% better (LPDDR5X family) | approx. 20% better (LPDDR5X family) | approx. 20% better (LPDDR5X family) | approx. 20% better (LPDDR5X family) |
Key Differentiators
- Top-tier LPDDR5X speed (vs LPDDR5-class DRAM (e.g., lower K3KL grades at 6400 Mbps class))
- Large single-package density (vs K3KL3L30DM-BGCU (lower-density same-family part))
- Family power-efficiency gain (vs K3LK4L40DM-BGCT (stacked family variant))
Design Notes
At 8533 Mbps, LPDDR5X signaling is extremely sensitive to channel loss and ISI. Maintain controlled-impedance (typically 40-50 ohm single-ended) routing, keep trace lengths matched within the SoC vendor's specified skew window, minimize stubs and layer transitions, and use the Samsung-recommended on-die termination settings. The memory controller's read/write training (VrefDQ, per-byte delay line) must be re-run for every board revision. Simulate the full channel with IBIS-AMI models obtained from Samsung under NDA before tape-out; do not rely on LPDDR5-era models at 8.5 Gbps.
LPDDR5X uses split rails (VDD2/VDDQ/VDD1-class supplies per the JEDEC LPDDR5X definition; exact voltages are NDA data for this part - verify in the Samsung datasheet). Each rail needs a tight PDN with bulk plus high-frequency ceramic decoupling placed at the BGA via field. Estimated: at 8.5 Gbps, I/O switching current dominates VDDQ; budget per Samsung's IDD measurement conditions rather than LPDDR5 figures, since dynamic per-pin current scales with data rate. Enable DVFSC/DVFSP and self-refresh aggressively in firmware to exploit the family's roughly 20% efficiency advantage.
LPDDR5X ball maps are vendor- and package-code-specific: the BGCU, BGCT, JGCT, and MGCU suffixes denote different package outlines, ball assignments, or grade coding, and are not interchangeable without footprint and schematic changes. Second, do not assume your SoC memory controller supports 8533 Mbps - many support LPDDR5X only to lower speed grades. Third, Samsung's detailed datasheets are NDA-controlled; ordering code suffixes (temperature/qualification grade) must be confirmed with Samsung or franchised distribution before committing to automotive or industrial designs.
Compliance Information
Reviewed distributor listings explicitly state RoHS Status unknown for this MPN. Samsung production LPDDR5X is typically RoHS-compliant/lead-free, but no public certificate was found in the provided data - obtain Samsung's official environmental declaration for this ordering code.
