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LPC1549JBD48QL

LPC1549JBD48QL

NXP USA Inc.
ARM® Cortex®-M3 LPC15xx Microcontroller IC 32-Bit 72MHz 256KB (256K x 8) FLASH 48-LQFP (7x7)
Active347 in stock
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Overview

The LPC1549JBD48QL is an ARM Cortex-M3 microcontroller from NXP optimized for fast, high-precision motion control applications. Operating at up to 72MHz, it features specialized hardware for motor control including a Quadrature Encoder Interface (QEI) and a dither engine for enhanced PWM resolution.

Why Choose This Part

This MCU stands out due to its motion-control-specific hardware accelerators, such as the QEI and dither engine, which reduce CPU overhead compared to standard Cortex-M3 devices. It also provides a robust peripheral set including CANbus and 4KB of EEPROM for non-volatile parameter storage in a compact 48-LQFP package.

Applications

Brushless DC (BLDC) Motor Control
Utilizes integrated PWM timers and the QEI for precise rotor position sensing and high-frequency switching.
Digital Power Conversion
Leverages the high-speed ADC and dither engine to manage complex power stages in switched-mode power supplies.
Industrial Sensor Hubs
Aggregates data from multiple sensors via CANbus, SPI, and I2C while performing local DSP-like processing.
Solar Inverters
Manages MPPT algorithms and grid-tie synchronization using advanced timing peripherals and 256KB of flash memory.

Key Specifications

Speed 72MHz
RAM Size 36K x 8
Core Size 32-Bit
EEPROM Size 4K x 8
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity CANbus, I2C, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 30
Core Processor ARM Cortex-M3
Package / Case 48-LQFP
Data Converters A/D 16x12b
Oscillator Type Internal
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 48-LQFP (7x7)
Voltage - Supply (Vcc/Vdd) 2.4V ~ 3.6V

Getting Started

Start development with the LPC1549 LPCXpresso board (OM13056) for a full hardware evaluation platform. NXP provides the MCUXpresso IDE and comprehensive driver libraries for motor control and industrial communication protocols.

LPC1549J Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Package ADC/DAC Stock
LPC1549JBD48QL (this part) 30 LQFP-48 A/D 16x12b 347
LPC1549JBD64QL 44 LQFP-64 A/D 24x12b 1,275

Also Consider

STM32F303CCT6 STMicroelectronics - Provides an integrated FPU and higher performance analog peripherals for similar motor control tasks.
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