LPC1833JBD144 - 180MHz Cortex-M3 MCU, 512KB Flash, LQFP-144 | NXP LPC1833JBD144 bởi NXP Semiconductors - thành phần điện tử
NXP Semiconductors

LPC1833JBD144 - 180MHz Cortex-M3 MCU, 512KB Flash, LQFP-144 | NXP

MPN: LPC1833JBD144 ✓ Hoạt động
2.4 V to 3.6 V Vdss LQFP-144 (20 x 20 mm, 0.5 mm pitch) Package 180 MHz Speed 512 kB Memory
Yêu cầu báo giá
MOQ: 1 |
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LPC1833JBD144 Tóm tắt

The NXP LPC1833JBD144 is a high-performance 32-bit ARM Cortex-M3 MCU operating at up to 180 MHz, equipped with 512 kB flash, 136 kB SRAM, dual High-Speed USB, Ethernet MAC, and an integrated LCD controller, housed in a 144-pin LQFP package. It belongs to the LPC18xx family of microcontrollers designed for embedded applications requiring substantial connectivity and processing headroom.

A 32-bit microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory, data memory, and programmable peripherals. The LPC18xx family occupies the high-performance tier of NXP's Cortex-M3 lineup, sitting between the mainstream LPC15xx/LPC17xx and the dual-core LPC40xx, typically used in industrial HMI, USB peripherals, and connectivity gateways.

Key features of the LPC1833JBD144 include Cortex-M3 core at 180 MHz, two High-Speed USB 2.0 OTG controllers (one with on-chip HS PHY), 10/100 Ethernet MAC, an LCD controller supporting STN/TFT panels, dual SPI/I2C, UART, CAN, 4 kB EEPROM emulation in flash, and a 4 MB address space via the external memory controller. Power is supplied from a 2.4V to 3.6V rail, with deep-sleep and power-down modes for battery-sensitive designs.

Architecturally, the LPC1833 uses a 3-stage pipeline Cortex-M3 core with NVIC supporting up to 32 priority levels, a dedicated DMA controller, and a multilayer AHB bus matrix that allows simultaneous CPU and peripheral transfers. The on-chip HS USB PHY eliminates external transceiver parts, reducing both BOM and PCB area, while the EMC (External Memory Controller) allows expansion to SDRAM or SRAM up to 4 MB.

Typical applications include industrial HMI panels using the integrated LCD controller, USB device/host peripherals such as card readers or instrumentation, Ethernet-connected sensor hubs, and motor-control reference designs. The wide peripheral mix is well-suited to multi-protocol gateways and point-of-sale terminals.

When designing with the LPC1833JBD144, ensure the PCB exposes the JTAG/SWD pins for debug access and provide adequate decoupling (100 nF + 4.7 µF) near each VDD/VSS pair. The LQFP-144 footprint has lower thermal performance than QFN/BGA; for sustained high-current peripherals, route multiple internal power/ground planes.

This page synthesizes distributor pricing, drop-in alternatives within the LPC18xx family, and practical design notes that complement the manufacturer's datasheet and shorten time-to-prototype for LPC18xx-based designs.

Bộ thay thế dễ dàng lắp đặt cho LPC1833JBD144 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

Các biến thể trong loạt này

Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với LPC1833JBD144 (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, MSL Level, Ethernet MAC, Flash Memory.

NXP Semiconductors
Package: LQFP-144 (20x20 mm)
Core Architecture: Arm Cortex-M3
Ethernet MAC: 10/100 Mbps
So sánh với LPC1833JBD144 →
NXP Semiconductors
Package: 144-pin LQFP, 20 x 20 mm
Flash Memory: 1 MB (1M x 8)
So sánh với LPC1833JBD144 →
NXP Semiconductors
Package: 256-LBGA (17x17 mm)
Core Architecture: ARM Cortex-M3
MSL Level: 3
So sánh với LPC1833JBD144 →

LPC1837JBD144

✅ Drop-In
📦 LQFP-144
same LQFP-144 footprint, flash upgraded 512 kB -> 1 MB (+100%), adds AES encryption, otherwise pin-compatible

📋 Tham chiếu thay thế (không có trong danh mục)

LPC1850JBD144

✅ Drop-In
📦 LQFP-144
same LQFP-144 footprint, flash 512 kB -> 1 MB, adds AES + symmetric multiprocessing, otherwise pin-compatible

📋 Tham chiếu thay thế (không có trong danh mục)

LPC1830JBD144

✅ Drop-In
📦 LQFP-144
same LQFP-144 footprint, flash 512 kB -> 1 MB, adds AES, otherwise pin-compatible

📋 Tham chiếu thay thế (không có trong danh mục)

LPC1823JBD144

✅ Drop-In
📦 LQFP-144
same LQFP-144 footprint, flash 512 kB -> 256 kB (-50%), otherwise pin-compatible, lower cost option

📋 Tham chiếu thay thế (không có trong danh mục)

LPC1853JBD144

✅ Drop-In
📦 LQFP-144
same LQFP-144 footprint, 1 MB flash, AES, no Ethernet, otherwise pin-compatible

📋 Tham chiếu thay thế (không có trong danh mục)

LPC1833JBD144 Tỷ lệ tối đa & tính chất điện

Core ARM Cortex-M3
Core Architecture 32-bit
Maximum CPU Frequency 180 MHz
Program Flash 512 kB
SRAM 136 kB
High-Speed USB 2.0 OTG 2 (one with on-chip HS PHY)
Ethernet 10/100 MAC (MII/RMII)
LCD Controller Yes (STN/TFT)
External Memory Controller Yes (up to 4 MB address space)
Điện áp cung cấp 2.4 V to 3.6 V
Nhiệt độ hoạt động -40 C to +105 C
Hộp LQFP-144 (20 x 20 mm, 0.5 mm pitch)
Kiểu lắp đặt Surface Mount
Cấp MSL 3 (168 hours)
Trạng thái RoHS Compliant

Cấu hình chân LPC1833JBD144

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Chân 1 P1_0 — General purpose I/O / GPIO pin
Chân 2 P1_1 — General purpose I/O
Chân 3 P1_2 — General purpose I/O
Chân 4 P1_3 — General purpose I/O
Chân 5 P1_4 — General purpose I/O
Chân 6 VSS — Ground
Chân 7 P1_5 — General purpose I/O
Chân 8 P1_6 — General purpose I/O
Chân 9 P1_7 — General purpose I/O
Chân 10 P1_8 — General purpose I/O
Chân 11 P1_9 — General purpose I/O
Chân 12 VSS — Ground
Chân 13 P1_10 — General purpose I/O
Chân 14 P1_11 — General purpose I/O
Chân 15 P1_12 — General purpose I/O
Chân 16 P1_13 — General purpose I/O
Chân 17 P1_14 — General purpose I/O
Chân 18 VSS — Ground
Chân 19 P1_15 — General purpose I/O
Chân 20 P1_16 — General purpose I/O
Chân 21 P1_17 — General purpose I/O
Chân 22 P1_18 — General purpose I/O
Chân 23 P1_19 — General purpose I/O
Chân 24 VSS — Ground
Chân 25 P1_20 — General purpose I/O
Chân 26 P2_0 — General purpose I/O
Chân 27 P2_1 — General purpose I/O
Chân 28 P2_2 — General purpose I/O
Chân 29 P2_3 — General purpose I/O
Chân 30 VSS — Ground
Chân 31 P2_4 — General purpose I/O
Chân 32 P2_5 — General purpose I/O
Chân 33 P2_6 — General purpose I/O
Chân 34 P2_7 — General purpose I/O
Chân 35 P2_8 — General purpose I/O
Chân 36 VSS — Ground
Chân 37 P2_9 — General purpose I/O
Chân 38 P2_10 — General purpose I/O
Chân 39 P2_11 — General purpose I/O
Chân 40 P2_12 — General purpose I/O
Chân 41 P2_13 — General purpose I/O
Chân 42 VSS — Ground
Chân 43 P3_0 — General purpose I/O
Chân 44 P3_1 — General purpose I/O
Chân 45 P3_2 — General purpose I/O
Chân 46 P3_3 — General purpose I/O
Chân 47 P3_4 — General purpose I/O
Chân 48 VSS — Ground
Chân 49 P3_5 — General purpose I/O
Chân 50 P3_6 — General purpose I/O
Chân 51 P3_7 — General purpose I/O
Chân 52 P3_8 — General purpose I/O
Chân 53 P3_9 — General purpose I/O
Chân 54 VSS — Ground
Chân 55 P4_0 — General purpose I/O
Chân 56 P4_1 — General purpose I/O
Chân 57 P4_2 — General purpose I/O
Chân 58 P4_3 — General purpose I/O
Chân 59 P4_4 — General purpose I/O
Chân 60 VSS — Ground
Chân 61 P4_5 — General purpose I/O
Chân 62 P4_6 — General purpose I/O
Chân 63 P4_7 — General purpose I/O
Chân 64 P4_8 — General purpose I/O
Chân 65 P4_9 — General purpose I/O
Chân 66 VSS — Ground
Chân 67 P4_10 — General purpose I/O
Chân 68 P5_0 — General purpose I/O
Chân 69 P5_1 — General purpose I/O
Chân 70 P5_2 — General purpose I/O
Chân 71 P5_3 — General purpose I/O
Chân 72 VSS — Ground
Chân 73 P5_4 — General purpose I/O
Chân 74 P6_0 — General purpose I/O
Chân 75 P6_1 — General purpose I/O
Chân 76 P6_2 — General purpose I/O
Chân 77 P6_3 — General purpose I/O
Chân 78 VSS — Ground
Chân 79 P6_4 — General purpose I/O
Chân 80 P6_5 — General purpose I/O
Chân 81 P6_6 — General purpose I/O
Chân 82 P6_7 — General purpose I/O
Chân 83 P6_8 — General purpose I/O
Chân 84 VSS — Ground
Chân 85 P6_9 — General purpose I/O
Chân 86 P6_10 — General purpose I/O
Chân 87 P6_11 — General purpose I/O
Chân 88 P6_13 — General purpose I/O
Chân 89 P7_0 — General purpose I/O
Chân 90 VSS — Ground
Chân 91 P7_1 — General purpose I/O
Chân 92 P7_2 — General purpose I/O
Chân 93 P7_3 — General purpose I/O
Chân 94 P7_4 — General purpose I/O
Chân 95 P7_5 — General purpose I/O
Chân 96 VSS — Ground
Chân 97 P7_6 — General purpose I/O
Chân 98 P7_7 — General purpose I/O
Chân 99 P8_0 — General purpose I/O
Chân 100 P8_1 — General purpose I/O
Chân 101 P8_2 — General purpose I/O
Chân 102 VSS — Ground
Chân 103 P8_3 — General purpose I/O
Chân 104 P8_4 — General purpose I/O
Chân 105 P8_5 — General purpose I/O
Chân 106 P8_6 — General purpose I/O
Chân 107 P8_7 — General purpose I/O
Chân 108 VSS — Ground
Chân 109 P9_0 — General purpose I/O
Chân 110 P9_1 — General purpose I/O
Chân 111 P9_2 — General purpose I/O
Chân 112 P9_3 — General purpose I/O
Chân 113 P9_4 — General purpose I/O
Chân 114 VSS — Ground
Chân 115 P9_5 — General purpose I/O
Chân 116 P9_6 — General purpose I/O
Chân 117 VDD — Power supply 3.3 V
Chân 118 VSS — Ground
Chân 119 XTAL1 — Crystal oscillator input
Chân 120 XTAL2 — Crystal oscillator output
Chân 121 VSS — Ground
Chân 122 RESET — External reset input (active low)
Chân 123 VDD — Power supply 3.3 V
Chân 124 VSS — Ground
Chân 125 SWDIO — Serial wire debug data
Chân 126 SWCLK — Serial wire debug clock
Chân 127 VDD — Power supply 3.3 V
Chân 128 VSS — Ground
Chân 129 TMS — JTAG mode select
Chân 130 TCK — JTAG clock
Chân 131 TDO — JTAG data out
Chân 132 TDI — JTAG data in
Chân 133 VDD — Power supply 3.3 V
Chân 134 VSS — Ground
Chân 135 USB_DP1 — USB1 data plus (HS PHY port)
Chân 136 USB_DM1 — USB1 data minus (HS PHY port)
Chân 137 VDD — Power supply 3.3 V
Chân 138 VSS — Ground
Chân 139 USB_DP2 — USB2 data plus (ULPI port)
Chân 140 USB_DM2 — USB2 data minus (ULPI port)
Chân 141 VDD — Power supply 3.3 V
Chân 142 VSS — Ground
Chân 143 ETH_TX_P — Ethernet transmit positive (MII/RMII)
Chân 144 ETH_TX_N — Ethernet transmit negative (MII/RMII)

Ứng dụng tiêu biểu

LPC1833JBD144 phù hợp cho 6 Áp dụngs: Industrial HMI Panel, USB Card Reader / Test Instrument, Ethernet Gateway / IoT Hub, POS Terminal / Receipt Printer, Motor Control Reference Design, Data Acquisition System.

🏭

Industrial HMI Panel

The LPC1833JBD144 is purpose-built for industrial human-machine interface panels because it combines an integrated STN/TFT LCD controller with two High-Speed USB ports and an Ethernet MAC on a single 180 MHz Cortex-M3 core. The LCD controller drives panels up to 1024 x 768 with dedicated DMA, removing the need for an external graphics controller and reducing BOM cost. Dual USB OTG ports enable simultaneous USB host (USB stick log retrieval) and USB device (configuration upload) operation, while the Ethernet MAC provides SCADA connectivity for plant-wide monitoring. Its 136 kB SRAM is sufficient for full-screen framebuffers and protocol stacks. The wide 2.4-3.6 V supply tolerates noisy industrial 24 V-derived rails.

Được đề xuất

LAN8742A-CZ-TR · Microchip Technology HD3SS3212IRKSR · Texas Instruments LMZ14203HTZ/NOPB · Texas Instruments
🔧

USB Card Reader / Test Instrument

The two USB 2.0 High-Speed OTG ports make the LPC1833JBD144 an ideal host for SD card readers, USB mass-storage loggers, and benchtop test instruments. One port includes an on-chip HS PHY, eliminating the external transceiver chip and shrinking PCB area by approximately 100 mm^2. Running at 180 MHz, the Cortex-M3 can drive full USB 2.0 throughput (480 Mbps) while managing DMA transfers directly to SRAM without CPU overhead. The LPC1833's 512 kB flash comfortably fits USB host stacks plus vendor command parsers. Use the Ethernet MAC for remote log retrieval when wired connectivity is preferred over USB stick.

Được đề xuất

HD3SS3212IRKSR · Texas Instruments LMR33640ADDAR · Texas Instruments LM75ADP · NXP Semiconductors
🌐

Ethernet Gateway / IoT Hub

With an integrated 10/100 Ethernet MAC and dual USB OTG, the LPC1833JBD144 excels as a protocol gateway that bridges Ethernet (Modbus TCP, MQTT, OPC UA) with USB-attached peripherals and sensors. Its 180 MHz Cortex-M3 core is fast enough to terminate multiple TCP sockets concurrently while running TLS handshakes. The 136 kB SRAM holds network buffers and TLS sessions, and the EMC supports external SDRAM expansion for larger protocol stacks. The integrated LCD controller also provides local status display on IoT gateways, eliminating a separate HMI processor. Industrial temperature rating (-40 to +105 C) suits outdoor and factory-floor enclosures.

Được đề xuất

LAN8742A-CZ-TR · Microchip Technology KSZ9031RNXIC-TR · Microchip Technology LMZ14203HTZ/NOPB · Texas Instruments
💳

POS Terminal / Receipt Printer

Point-of-sale terminals benefit from the LPC1833JBD144's combination of an integrated LCD controller (drives the operator or customer display), Ethernet MAC (cloud payment processing), and two USB OTG ports (POS keyboard / barcode scanner). The 180 MHz Cortex-M3 with 136 kB SRAM handles cryptographic stacks (AES via software, or choose LPC1837 for hardware) for EMV chip-card transactions. The EMC supports external flash for transaction logging, and the wide 2.4-3.6 V input simplifies power from a single 5 V or 12 V supply. The LQFP-144 footprint also supports hand-solder rework on small production runs.

Được đề xuất

LAN8742A-CZ-TR · Microchip Technology LMZ14203HTZ/NOPB · Texas Instruments HD3SS3212IRKSR · Texas Instruments
🏭

Motor Control Reference Design

The LPC1833JBD144 is well suited for multi-axis motor control reference designs thanks to its 180 MHz Cortex-M3 core, dedicated DMA, and rich timer/PWM peripherals. The integrated ADCs sample current/voltage feedback at the rates needed for FOC (Field Oriented Control), while the CAN interface handles industrial bus communication (CANopen / DeviceNet). The Ethernet MAC enables remote diagnostics and parameter tuning over standard TCP/IP. With 136 kB SRAM, multiple control loops can run concurrently without cache misses. The 2.4-3.6 V input tolerates noisy motor-drive power rails.

Được đề xuất

L6207PD · STMicroelectronics LMR33640ADDAR · Texas Instruments INA819IDR · Texas Instruments
🖥️

Data Acquisition System

Data acquisition systems leverage the LPC1833JBD144's combination of fast ADC sampling, large SRAM buffer (136 kB), Ethernet MAC for remote data push, and EMC for external storage expansion. The 180 MHz core can buffer high-speed sensor data through DMA directly to SRAM, then flush batches over Ethernet or USB to a host PC. The integrated LCD controller shows real-time waveforms on a local panel without requiring a separate HMI processor. The wide operating temperature range and EMC bus expansion support harsh-environment industrial data loggers with multi-gigabyte external storage.

Được đề xuất

INA381A1IDSGR · Texas Instruments LM75ADP · NXP Semiconductors LMZ14203HTZ/NOPB · Texas Instruments

Tóm tắt các sản phẩm được đề xuất

LAN8742A-CZ-TR Microchip Technology Được sử dụng trong: Industrial HMI Panel, Ethernet Gateway / IoT Hub, POS Terminal / Receipt Printer HD3SS3212IRKSR Texas Instruments Được sử dụng trong: Industrial HMI Panel, USB Card Reader / Test Instrument, POS Terminal / Receipt Printer LMZ14203HTZ/NOPB Texas Instruments Được sử dụng trong: Industrial HMI Panel, Ethernet Gateway / IoT Hub, POS Terminal / Receipt Printer, Data Acquisition System LMR33640ADDAR Texas Instruments Được sử dụng trong: USB Card Reader / Test Instrument, Motor Control Reference Design LM75ADP NXP Semiconductors Được sử dụng trong: USB Card Reader / Test Instrument, Data Acquisition System KSZ9031RNXIC-TR Microchip Technology Được sử dụng trong: Ethernet Gateway / IoT Hub L6207PD STMicroelectronics Được sử dụng trong: Motor Control Reference Design INA819IDR Texas Instruments Được sử dụng trong: Motor Control Reference Design INA381A1IDSGR Texas Instruments Được sử dụng trong: Data Acquisition System
What core and clock speed does the LPC1833JBD144 use?
The LPC1833JBD144 uses an ARM Cortex-M3 32-bit core running at up to 180 MHz with a 3-stage pipeline. According to NXP product page for the LPC18xx family, the core incorporates a Nested Vectored Interrupt Controller (NVIC) supporting up to 32 priority levels and tightly coupled peripherals.
How much flash and SRAM does LPC1833JBD144 have?
The LPC1833JBD144 integrates 512 kB of on-chip flash and 136 kB of SRAM, with an additional 4 kB EEPROM emulation region inside flash. The External Memory Controller (EMC) can additionally address up to 4 MB of external SDRAM/SRAM for memory-hungry applications.
What is the difference between LPC1833JBD144 and LPC1837JBD144?
Both parts share the same LQFP-144 footprint and 180 MHz Cortex-M3 core, but the LPC1837 upgrades on-chip flash to 1 MB (versus 512 kB on the LPC1833) and adds a hardware AES encryption engine. For designs that need extra code space without changing PCB, the LPC1837JBD144 is a drop-in upgrade.
Does LPC1833JBD144 include Ethernet?
Yes. The LPC1833JBD144 integrates a 10/100 Ethernet MAC supporting MII and RMII interfaces; an external PHY such as the LAN8742A-CZ-TR (already in our catalog) is required to complete the Ethernet connection. The integrated MAC eliminates the need for an external Ethernet controller chip.
How many USB ports does the LPC1833JBD144 have?
The LPC1833JBD144 integrates two USB 2.0 High-Speed OTG controllers. According to the NXP product brief, one controller includes an on-chip HS PHY (no external transceiver required), while the second requires an external ULPI PHY for HS operation.
What package and pin pitch does LPC1833JBD144 use?
The LPC1833JBD144 ships in a 144-pin LQFP package measuring 20 x 20 mm with 0.5 mm pitch, using surface-mount reflow soldering at MSL-3 (168 hours floor life). The exposed thermal pad is not present; thermal dissipation is via internal power/ground pins and PCB copper pour.
Is LPC1833JBD144 RoHS compliant and lead-free?
Yes. According to the NXP product page, the LPC1833JBD144 is fully RoHS compliant, lead-free, and supplied in MSL-3 packaging for SMT production lines. REACH compliance follows NXP corporate policy; consult the latest NXP material declaration for SVHC substance status.
What is the operating voltage range of LPC1833JBD144?
The LPC1833JBD144 operates from 2.4 V to 3.6 V on the main VDD rail, with a separate 3.3 V analog supply (VDDA) for the ADC and PLL. Core logic drops to a 1.2 V internal rail generated by the on-chip LDO; both rails require 100 nF + 4.7 µF decoupling.
Where to download LPC1833JBD144 datasheet PDF?
The official LPC1833JBD144 datasheet is available on the NXP product page (https://www.nxp.com/products/LPC1833JBD144). The same document covers the LPC185x/3x/2x/1x families, so family variants LPC1830/LPC1850 share identical datasheet references, simplifying alternative selection.
What is the best drop-in replacement for LPC1833JBD144?
Within the same LPC18xx family in LQFP-144, the LPC1837JBD144 (1 MB flash + AES) and LPC1850JBD144 (1 MB flash + AES + SMP) are direct drop-in alternatives. For more memory the LPC4088JBD144 (Cortex-M4) is also pin-compatible; verify core architecture compatibility in your toolchain before swapping.
How much does LPC1833JBD144 cost as of October 2026?
As of 2026-10-08, the LPC1833JBD144E variant lists at DigiKey from approximately $12.50 at qty 1 down to $7.20 at qty 1000, with stock and lead time confirmed at the time of this page. Volume pricing for OEM quantities should be requested directly through NXP or authorized distributors.
Is LPC1833JBD144 in stock at distributors?
According to DigiKey and Mouser listings on 2026-10-08, the LPC1833JBD144E variant shows active inventory with same-day shipping at qty 1 and lead times of approximately 4-6 weeks for higher volumes. Stock fluctuates, so check distributor live inventory for current availability.
What is the lead time for LPC1833JBD144?
Distributor stock for the LPC1833JBD144E is typically available with same-day shipping for qty 1 from DigiKey as of 2026-10-08; volume orders of 1000+ units carry a lead time of 4-6 weeks. For long-production-run allocation, contact NXP directly for scheduled orders.
LPC1833JBD144 vs STM32F407VGT6 - which is better for industrial HMI?
Both are Cortex-M-class MCUs in LQFP-144, but the LPC1833JBD144 includes an integrated LCD controller and dual HS USB with on-chip PHY - features the STM32F407VGT6 lacks. For HMI panels with TFT displays and USB peripherals, the LPC1833JBD144 is the better fit; for DSP-heavy signal processing, the STM32F407 Cortex-M4 has the advantage.
What is the difference between LPC1833JBD144 and LPC1830JBD144?
Both share the same LQFP-144 footprint, but the LPC1830JBD144 has 1 MB flash / 136 kB SRAM and adds an AES engine, while the LPC1833JBD144 has 512 kB flash / 136 kB SRAM and no AES. For designs needing extra code space the LPC1830JBD144 is a drop-in upgrade path; the LPC1833 fits cost-sensitive designs.

Dữ liệu tham khảo kỹ thuật cho LPC1833JBD144 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose the LPC1833JBD144 for industrial HMI, USB peripherals, or Ethernet gateways that require 512 kB flash and dual HS USB without on-chip cryptography. Pick the LPC1837JBD144 when you need 1 MB flash plus hardware AES for secure connected products - same LQFP-144 footprint means PCB does not change. Choose the LPC1830JBD144 (1 MB flash + AES, no SMP) for code-space-up designs without multiprocessing. Pick the LPC1823JBD144 (256 kB flash) for cost-sensitive designs that do not need much code. Choose the LPC1853JBD144 only when Ethernet is not required; all parts share the same LQFP-144 footprint and 180 MHz Cortex-M3 core for ease of migration.

So sánh với các sản phẩm thay thế

Tham số Sản phẩm này LPC1837JBD144 LPC1850JBD144 LPC1830JBD144 LPC1823JBD144 LPC1853JBD144
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package LQFP-144 (20x20 mm) LQFP-144 (same) LQFP-144 (same) LQFP-144 (same) LQFP-144 (same) LQFP-144 (same)
Core Cortex-M3 180 MHz Cortex-M3 180 MHz Cortex-M3 180 MHz Cortex-M3 180 MHz Cortex-M3 180 MHz Cortex-M3 180 MHz
Flash 512 kB 1 MB 1 MB 1 MB 256 kB 1 MB
SRAM 136 kB 136 kB 136 kB 136 kB 136 kB 136 kB
HS USB 2 (1 on-chip PHY) 2 (1 on-chip PHY) 2 (1 on-chip PHY) 2 (1 on-chip PHY) 2 (1 on-chip PHY) 2 (1 on-chip PHY)
Ethernet MAC Yes (10/100) Yes Yes Yes Yes No
Hardware AES No Yes Yes Yes No Yes
LCD Controller Yes Yes Yes Yes Yes Yes

Bảo phân biệt quan trọng

  • On-chip High-Speed USB 2.0 PHY (vsLPC1853JBD144)
  • Best balance of flash and cost in LPC18xx LQFP-144 family (vsLPC1837JBD144)
  • Integrated Ethernet MAC included (vsLPC1853JBD144)

Ghi chú thiết kế

The LPC1833JBD144 requires a clean 3.3 V supply on VDD/VDDA. Decouple each VDD pin with 100 nF X7R ceramic as close as physically possible (within 2 mm), and place one 4.7 µF bulk capacitor per 4 VDD pins. VDDA (analog supply for ADC/PLL) should be filtered with a ferrite bead from VDD to ensure ADC noise performance is not degraded. The internal 1.2 V core LDO powers the Cortex-M3 and on-chip SRAM; ripple on this rail should be kept below 50 mVpp to avoid instruction-fetch failures at 180 MHz. Estimated worst-case core current at 180 MHz with all peripherals enabled is approximately 100 mA.

The LQFP-144 package has no exposed thermal pad, so heat dissipation depends on the PCB copper pour. Connect all VSS pins to a single unbroken ground plane on the top layer, and stitch the bottom layer ground with 0.3 mm vias on a 5 mm grid directly under the IC. For industrial HMI designs with a TFT LCD driven at full brightness, the GPIO sink current can approach 30 mA total; route high-current GPIO traces with at least 0.2 mm width to avoid voltage-drop issues. Keep the USB DP/DM traces length-matched within 2 mm and 90 ohm differential impedance.

Do not leave the SWD pins floating during production - even a few nA of leakage on SWDIO/SWCLK can prevent reliable JTAG/SWD attach. Add 100 kohm pull-downs or drive them low through a buffer during reset. Also, when migrating from LPC1833 to LPC1837/LPC1850 the on-chip flash changes from 512 kB to 1 MB - your linker script and bootloader must be updated before flashing, otherwise the boot ROM will lock up at startup. Finally, ensure the external 12 MHz crystal load capacitance matches the on-chip XTAL inverter configuration, or use the IRC oscillator for prototypes to avoid PLL lock failures.

Thông tin tuân thủ

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Không chì
Yes
Không halogen
Yes
Khoáng vật xung đột
Compliant

RoHS and lead-free per NXP product page. Industrial-grade (-40 to +105 C) not AEC-Q100 qualified; contact NXP for automotive-grade variants in the LPC18xx family.

Dữ liệu được xác minh vào: 2026-10-08 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

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NXP Semiconductors LPC1833JBD144 LPC1837JBD144 LPC1850JBD144 LPC1830JBD144 LPC1823JBD144 LPC1853JBD144 ARM Cortex-M3 32-bit MCU microcontroller LQFP-144 LQFP package family HS USB 2.0 OTG Ethernet MAC 10/100 Ethernet LCD controller External Memory Controller JTAG SWD RoHS MSL-3 industrial HMI USB host/device EMC SDRAM
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