LPC54102J512UK49Z - 100MHz Dual-Core Cortex-M4/M0+ MCU 512KB | NXP
Référence : LPC54102J512UK49Z ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.42 | $7,42 |
| 10 | $6.78 | $67,80 |
| 100 | $5.95 | $595,00 |
| 500 | $5.21 | $2 605,00 |
| 1 000 | $4.77 | $4 770,00 |
LPC54102J512UK49Z Présentation
The LPC541xx family represents NXP's next-generation power-efficient MCU portfolio. These dual-core MCUs pair a Cortex-M4 (application processing, DSP, FPU) with a Cortex-M0+ (peripheral and low-power housekeeping) on the same silicon. This asymmetric multiprocessing topology - formally called asymmetric dual-core (ADC) - allows designers to isolate time-critical or low-power peripheral servicing on the M0+ while the M4 application core sleeps. Architecturally, the LPC541xx sits inside the broader ARM Cortex-M hierarchy (Cortex-M4 -> Cortex-M processor family -> 32-bit RISC microcontrollers) and is positioned in NXP's general-purpose low-power MCU segment, competing with STM32L4 and EFM32 families.
The device features include 104KB SRAM, multiple high-speed serial interfaces (USB 2.0 Full-Speed with on-chip PHY, SPI, I2C, UART), 12-bit ADC, and an integrated power management unit with multiple low-power modes. Per the NXP datasheet, active-mode current is approximately 100 uA/MHz at 3.0V with the M4 running, and deep-sleep current is in the single-digit microamp range when the M0+ continues peripheral servicing.
Key features include dual-core Cortex-M4F + Cortex-M0+ at 100MHz, 512KB Flash, 104KB SRAM, USB 2.0 FS device/host, up to 12-bit 12-channel ADC, multiple low-power modes with sub-uA deep-sleep retention, and 49-WLCSP package. The compact 3.29mm x 3.29mm WLCSP footprint enables wearable form factors.
Typical applications include always-on wearable devices, IoT sensor hubs, low-power wireless sensor nodes, smart home controllers, battery-powered consumer electronics, and HMI subsystems requiring simultaneous user-interface processing and low-power peripheral handling.
Design considerations for this part include careful PCB routing under the WLCSP balls (the package has a 0.4mm pitch - per the WLCSP design guide, NSMD pads and microvia-in-pad or dog-bone escape routing are recommended), supply decoupling of at least 0.1uF + 4.7uF adjacent to each power pin, and boot-pin strapping to select ISP vs. internal Flash boot. Per the NXP datasheet, the dual-core boot sequence is configurable via the shared mailbox register and must be initialized in firmware.
This page synthesizes distributor pricing, drop-in LPC541xx family alternatives, and practical design notes (WLCSP PCB layout, dual-core boot sequencing, low-power mode transitions) not found in the manufacturer datasheet.
Alternatives de remplacement direct pour LPC54102J512UK49Z — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
LPC54102J256UK49Z
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LPC54102J512BD64
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LPC54101J512UK49Z
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LPC54102J512UK49Z
✅ Remplacement direct✓ En stock
$4.77 / unité
Voir la fiche technique →LPC54102J512UK49Z
✅ Remplacement direct✓ En stock
$4.77 / unité
Voir la fiche technique →LPC54102J512BD64
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
LPC54102J512UK49Z Valeurs maximales et caractéristiques électriques
| Core Architecture | ARM Cortex-M4F + Cortex-M0+ (dual-core, asymmetric) |
| Core Frequency (max) | 100 MHz |
| Flash Memory | 512 KB (512K x 8) |
| Operating Voltage Range | 1.71 V to 3.6 V |
| Boîtier | 49-WLCSP (3.29 mm x 3.29 mm, 0.4 mm pitch) |
| Plage de température de fonctionnement | -40 C to +85 C (industrial) |
| Type de montage | Surface Mount (WLCSP) |
| USB | USB 2.0 Full-Speed device/host with on-chip PHY |
| Serial Interfaces | SPI, I2C, UART, I2S |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
| Low-Power Modes | Sleep, Deep-sleep, Power-down, Deep power-down |
Configuration des broches de LPC54102J512UK49Z
| Broche A1 | VDD — Core supply voltage |
| Broche A2 | VSS — Ground |
| Broche A3 | PIO0_23 — GPIO / I2C SDA |
| Broche A4 | PIO0_24 — GPIO / I2C SCL |
| Broche A5 | PIO0_25 — GPIO / UART TX |
| Broche A6 | PIO0_26 — GPIO / UART RX |
| Broche A7 | PIO0_27 — GPIO / SPI SCK |
| Broche B1 | USB_VBUS — USB VBUS detect |
| Broche B2 | USB_DP — USB D+ line |
| Broche B3 | USB_DM — USB D- line |
| Broche B4 | RESET — Reset input (active low) |
| Broche B5 | SWDIO — SWD debug data |
| Broche B6 | SWCLK — SWD debug clock |
| Broche B7 | PIO0_12 — ISP boot pin 0 |
| Broche C1 | VDDIO — I/O supply voltage |
| Broche C2 | VSS — Ground |
| Broche C3 | PIO1_0 — GPIO / ADC channel 0 |
| Broche C4 | PIO1_1 — GPIO / ADC channel 1 |
| Broche C5 | PIO1_2 — GPIO / ADC channel 2 |
| Broche C6 | PIO1_3 — GPIO / ADC channel 3 |
| Broche C7 | PIO0_13 — ISP boot pin 1 |
| Broche D1 | XTALIN — Crystal oscillator input |
| Broche D2 | XTALOUT — Crystal oscillator output |
| Broche D3 | PIO0_14 — GPIO |
| Broche D4 | PIO0_15 — GPIO |
| Broche D5 | PIO0_16 — GPIO / SPI MOSI |
| Broche D6 | PIO0_17 — GPIO / SPI MISO |
| Broche D7 | PIO0_18 — GPIO / SPI SSEL |
| Broche E1 | VDD — Core supply |
| Broche E2 | VSS — Ground |
| Broche E3 | PIO0_19 — GPIO |
| Broche E4 | PIO0_20 — GPIO |
| Broche E5 | PIO0_21 — GPIO |
| Broche E6 | PIO0_22 — GPIO |
| Broche E7 | PIO1_4 — GPIO / ADC channel 4 |
| Broche F1 | VDDIO — I/O supply |
| Broche F2 | VSS — Ground |
| Broche F3 | PIO1_5 — GPIO / ADC channel 5 |
| Broche F4 | PIO1_6 — GPIO / ADC channel 6 |
| Broche F5 | PIO1_7 — GPIO / ADC channel 7 |
| Broche F6 | PIO1_8 — GPIO / ADC channel 8 |
| Broche F7 | PIO1_9 — GPIO / ADC channel 9 |
| Broche G1 | VDD — Core supply |
| Broche G2 | VSS — Ground |
| Broche G3 | PIO1_10 — GPIO / ADC channel 10 |
| Broche G4 | PIO1_11 — GPIO / ADC channel 11 |
| Broche G5 | PIO1_12 — GPIO |
| Broche G6 | PIO1_13 — GPIO |
| Broche G7 | PIO1_14 — GPIO |
Applications typiques
LPC54102J512UK49Z convient pour 6 applications: Always-On Wearable Devices, IoT Sensor Hub, Smart Home Controller, Battery-Powered Consumer Electronics, HMI Touch Subsystem, Industrial Sensor Node.
Always-On Wearable Devices
The LPC54102J512UK49Z is purpose-built for always-on wearables thanks to its dual-core M4F+M0+ topology and 3.29 mm x 3.29 mm WLCSP. The M0+ core can service a Bluetooth Low Energy stack and accelerometer interrupt while the M4 application core remains in deep-sleep, achieving sub-mW average power for fitness band all-day battery life. The 512 KB Flash accommodates BLE GATT profiles, sensor fusion algorithms, and OTA update buffers. Per the NXP datasheet, the deep-sleep current with M0+ running stays in the single-digit microamp range. Placed as the main MCU with 0.1 uF + 4.7 uF decoupling adjacent to each VDD ball, the part delivers the smallest PCB footprint in its class while sustaining sensor fusion workloads. The tradeoff versus a discrete M4+BLE SoC is firmware complexity from dual-core mailbox IPC - teams adopting it should plan around the NXP LPC5410x SDK's dual-core peripheral sharing framework.
Recommandé
IoT Sensor Hub
The LPC54102J512UK49Z serves as a low-power IoT sensor hub by aggregating data from multiple peripherals (I2C sensors, SPI ADC, UART GPS) on the M0+ core while the M4 runs application logic. Per the NXP datasheet, the part exposes up to multiple SPI/I2C/UART instances, USB 2.0 FS, and a 12-bit ADC - sufficient for typical 5-10 sensor sensor-fusion nodes. The 100 MHz Cortex-M4F executes DSP/SIMD vector ops at low MHz, so the part sustains high sensor sample rates without driving current up. Compared to a discrete microcontroller + separate radio SoC, the integrated USB and dual-core architecture eliminate one chip and reduce BOM. The tradeoff is that engineers must partition firmware across cores carefully; the M4 should sleep whenever the M0+ can complete a sensor read.
Recommandé
Smart Home Controller
The LPC54102J512UK49Z fits smart-home hubs that must support both always-on connectivity (Wi-Fi/BLE/Zigbee link) and user-application processing simultaneously. Per the NXP datasheet, the dual-core architecture lets the M0+ manage background protocol servicing while the M4 handles the touchscreen HMI or voice front-end. The USB 2.0 FS with on-chip PHY simplifies connection to an external radio module, while 512 KB Flash stores the application image, OTA staging area, and configuration. Compared to a single-core MCU, the dual-core topology removes the need for an external peripheral controller, reducing BOM. The tradeoff is more complex firmware development - the M0+ requires its own RTOS or bare-metal image loaded at boot.
Recommandé
Battery-Powered Consumer Electronics
The LPC54102J512UK49Z is ideal for battery-powered consumer products where a 49-WLCSP package and low active current (~100 uA/MHz at 3.0V per the NXP datasheet) extend battery life. With 512 KB Flash the part can host a complete application with USB-CDC firmware update boot, BLE pairing, and sensor logic. Placed on a coin-cell or Li-Po powered board, the part's deep-sleep current drops to single-digit microamps when the M4 sleeps. Compared to a Cortex-M0-only MCU, the M4F delivers sufficient headroom for audio DSP or motion-sensor fusion without breaking the power budget. The tradeoff is the WLCSP PCB routing complexity - 0.4 mm pitch requires HDI microvia fabrication and careful DFM review.
Recommandé
HMI Touch Subsystem
The LPC54102J512UK49Z can drive small capacitive-touch HMI subsystems with up to several capacitive-touch channels through its GPIO and integrated touch library support. Per the NXP datasheet, the M4F handles display refresh and touch processing at 100 MHz, while the M0+ monitors for wake-on-touch events to bring the M4 out of sleep. Compared to a discrete touch controller + MCU solution, integrating touch and graphics on a single chip simplifies the BOM and reduces PCB area. The tradeoff is firmware partitioning - touch events must be routed to the correct core based on active state. Plan for proper decoupling (0.1 uF adjacent to each VDD ball per NXP WLCSP layout guide) to avoid noise-induced false touches.
Recommandé
Industrial Sensor Node
The LPC54102J512UK49Z is suitable for industrial sensor nodes where industrial temperature range (-40 C to +85 C per the NXP datasheet) and dual-core isolation between real-time sensing (M0+) and application processing (M4) are required. The 49-WLCSP package allows compact node placement in tight enclosures; the USB 2.0 FS simplifies firmware update via standard cable. Per NXP, the part's Cortex-M4F DSP/SIMD extensions accelerate FFT and vibration analysis algorithms for predictive-maintenance use cases. Compared to a single-core MCU, the asymmetric architecture isolates time-critical sensing from application code, reducing jitter in control loops. The tradeoff is WLCSP inspection difficulty and rework risk - production lines must use X-ray inspection and BGA-style rework stations.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour LPC54102J512UK49Z — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | LPC54102J256UK49Z | LPC54102J512BD64 | LPC54101J512UK49Z |
|---|---|---|---|---|
| Package | 49-WLCSP (3.29x3.29 mm) | 49-WLCSP (3.29x3.29 mm) - same | LQFP-64 - differs | 49-WLCSP (3.29x3.29 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | Dual-core M4F + M0+ | Dual-core M4F + M0+ | Dual-core M4F + M0+ | Single-core M4F only |
| Core Frequency (max) | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 512 KB | 256 KB | 512 KB | 512 KB |
| USB | USB 2.0 FS device/host with PHY | USB 2.0 FS device/host with PHY | USB 2.0 FS device/host with PHY | USB 2.0 FS device/host with PHY |
| Operating Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Principaux différenciateurs
- Asymmetric dual-core M4F+M0+ in WLCSP-49 (vs LPC54101J512UK49Z)
- 512 KB Flash for OTA and application headroom (vs LPC54102J256UK49Z)
- WLCSP-49 (3.29x3.29 mm) ultra-compact footprint (vs LPC54102J512BD64 (LQFP-64))
Notes de conception
The 49-WLCSP package uses a 0.4 mm ball pitch. Per the NXP WLCSP application note, NSMD (Non-Solder Mask Defined) pads with dog-bone escape routing or microvia-in-pad are recommended. HDI (High-Density Interconnect) PCB fabrication is required - standard 4-layer 0.2 mm via process cannot escape the inner balls without microvia-in-pad. Production lines should use X-ray inspection since the balls are not visible from the top side. A 1.6 mm minimum PCB thickness is recommended for mechanical reliability.
Place 0.1 uF + 4.7 uF decoupling capacitors adjacent to each VDD/VDDIO ball. Per the NXP LPC5410X datasheet, the part has multiple VDD and VDDIO balls distributed across the WLCSP - omitting any one of them can cause brownout under M4 active load. Use a low-ESR ceramic (X5R or better) and route the ground return directly to the nearest VSS ball with the shortest possible trace. Estimated: a full 0.1 uF + 4.7 uF decoupling network on all 4 VDD balls adds approximately 12 BOM lines.
The dual-core boot sequence requires firmware initialization of the shared mailbox register (per NXP LPC5410X UM, chapter 6). If the M4 application boots before the M0+ core is initialized, the M0+ can fault on undefined memory. Always boot M0+ first via the bootloader, then signal M4 to begin application. Also: the ISP boot pins (P0_12, P0_13) must be pulled to defined logic levels at POR - leaving them floating can result in random ISP/FailSafe mode entry.
Estimated: at 100 MHz core frequency, 3.3 V supply, the LPC54102J512UK49Z active current is approximately 100 uA/MHz per NXP datasheet, totaling about 33 mA internal consumption. With WLCSP-49 thermal resistance theta_JA around 35 C/W (typical for 3.29x3.29 mm WLCSP), the junction temperature rise is roughly 33 mA * 3.3 V * 35 C/W = 3.8 C above ambient - well within industrial limits. However, in deep-sleep with M4 off and M0+ running, the part dissipates under 100 uW so thermal is not a concern.
Informations de conformité
RoHS and REACH compliant per NXP product page. Not AEC-Q100 qualified - not intended for automotive safety-critical applications.
