LPC1519JBD64E - 72MHz Cortex-M3 256KB Flash Motor Control MCU | NXP
MPN: LPC1519JBD64E ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.12 | $7.12 |
| 10 | $6.41 | $64.10 |
| 100 | $5.65 | $565.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.2 | $4,200.00 |
LPC1519JBD64E Overview
A Cortex-M3 microcontroller is a 32-bit ARM-based processor core designed for embedded real-time control, positioned in the taxonomy as: microcontroller -> 32-bit MCU -> ARM Cortex-M -> Cortex-M3 -> system-on-chip. Cortex-M3 cores provide deterministic interrupt latency, hardware single-cycle multiplication, and a Thumb-2 instruction set, making them widely used in motor control, industrial automation, and consumer applications.
Key features of the LPC1519JBD64E include two 12-bit 2 Msps ADCs for current/voltage sampling, a configurable PWM/SCT timer subsystem with 16 PWM channels for dual-motor drive, one FS USB 2.0 controller with on-chip PHY, two CAN 2.0B interfaces, four UARTs, two SPI, two I2C, an RTC, a 10-bit DAC, and up to 76 GPIO pins. The 256 KB flash supports in-system programming via UART, SPI, or USB.
The device operates from 2.4 V to 3.6 V and is built around a low-leakage process optimized for fast ADC conversions and deterministic PWM timing. The integrated state-configurable timer (SCT) allows complex PWM generation with minimal CPU overhead, and the hardware flexibility for digital servo mechanisms enables sensorless FOC and trapezoidal commutation.
Typical applications include industrial motor drives, BLDC/PMSM controllers, robotic actuators, CNC spindle controllers, field-oriented-control (FOC) inverters, and dual-axis servo systems. The two 2 Msps ADCs and 16-channel PWM make it a strong fit for sensored and sensorless FOC on two axes.
Design considerations include decoupling the analog and I/O digital channels separately, using a low-impedance ground pour under the exposed pad, and following NXP application note AN11538 for the recommended PCB layout for motor-control hardware. Be sure to allocate enough timing budget for the ADC and CPU synchronization.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not included in the manufacturer datasheet.
Drop-in alternatives for LPC1519JBD64E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with LPC1519JBD64E (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, ADC, PWM Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LPC1518JBD64E
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →LPC1517JBD64E
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →LPC1549JBD64QL
✅ Drop-In📋 Reference alternative (not in catalog)
LPC11E68JBD64K
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP256MC506-I/PT
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC33EP256GM306-I/PT
✅ Drop-In✓ In Stock
$4.61 / Unit
View Datasheet →LPC1519JBD64E Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M3 |
| Core Bit Width | 32-bit |
| CPU Clock (max) | 72 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 36 KB |
| ADC | 2 x 12-bit, 12-channel, 2 Msps |
| PWM Channels | 16 (state-configurable timer) |
| DAC | 1 x 10-bit |
| USB | USB 2.0 FS with on-chip PHY |
| CAN | 2 x CAN 2.0B |
| UART / SPI / I2C | 4 / 2 / 2 |
| GPIO (max) | 76 |
| Supply Voltage | 2.4 V to 3.6 V |
| Package | 64-LQFP (10 x 10 mm) |
| Operating Temperature | -40 C to +105 C |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
LPC1519JBD64E Pin Configuration
| Pin 1 | PIO0_0/TXD0 — GPIO / UART0 TXD |
| Pin 2 | PIO0_1/RXD0 — GPIO / UART0 RXD |
| Pin 3 | PIO0_2 — GPIO / ADC input |
| Pin 4 | PIO0_3 — GPIO / ADC input |
| Pin 5 | PIO0_4 — GPIO / SCT input |
| Pin 6 | PIO0_5 — GPIO / SCT output |
| Pin 7 | PIO0_6 — GPIO / SCT output |
| Pin 8 | PIO0_7 — GPIO / SCT output |
| Pin 9 | PIO0_8 — GPIO / SCT input |
| Pin 10 | PIO0_9 — GPIO / SCT input |
| Pin 11 | PIO0_10 — GPIO / SCT input |
| Pin 12 | PIO0_11 — GPIO / SCT input |
| Pin 13 | PIO0_12 — GPIO / USB VBUS sense |
| Pin 14 | PIO0_13 — GPIO / USB DP |
| Pin 15 | PIO0_14 — GPIO / USB DM |
| Pin 16 | VDD — Main supply voltage (3.3 V) |
| Pin 17 | VSS — Ground |
| Pin 18 | PIO0_15 — GPIO / ADC input |
| Pin 19 | PIO0_16 — GPIO / ADC input |
| Pin 20 | PIO0_17 — GPIO / SCT output |
| Pin 21 | PIO0_18 — GPIO / SCT output |
| Pin 22 | PIO0_19 — GPIO / SCT output |
| Pin 23 | PIO0_20 — GPIO / SCT input |
| Pin 24 | PIO0_21 — GPIO / SCT input |
| Pin 25 | PIO0_22 — GPIO / SCT input |
| Pin 26 | PIO0_23 — GPIO / SCT input |
| Pin 27 | PIO1_0 — GPIO / ADC input |
| Pin 28 | PIO1_1 — GPIO / ADC input |
| Pin 29 | PIO1_2 — GPIO / ADC input |
| Pin 30 | PIO1_3 — GPIO / ADC input |
| Pin 31 | PIO1_4 — GPIO / SCT output |
| Pin 32 | PIO1_5 — GPIO / SCT output |
| Pin 33 | PIO1_6 — GPIO / SCT output |
| Pin 34 | PIO1_7 — GPIO / SCT output |
| Pin 35 | PIO1_8 — GPIO / SCT input |
| Pin 36 | PIO1_9 — GPIO / SCT input |
| Pin 37 | PIO1_10 — GPIO / SCT input |
| Pin 38 | PIO1_11 — GPIO / SCT input |
| Pin 39 | PIO1_12 — GPIO |
| Pin 40 | PIO1_13 — GPIO |
| Pin 41 | PIO1_14 — GPIO |
| Pin 42 | PIO1_15 — GPIO |
| Pin 43 | PIO2_0 — GPIO / I2C0 SCL |
| Pin 44 | PIO2_1 — GPIO / I2C0 SDA |
| Pin 45 | PIO2_2 — GPIO / SPI0 SCK |
| Pin 46 | PIO2_3 — GPIO / SPI0 MISO |
| Pin 47 | PIO2_4 — GPIO / SPI0 MOSI |
| Pin 48 | PIO2_5 — GPIO / CAN0 TD |
| Pin 49 | PIO2_6 — GPIO / CAN0 RD |
| Pin 50 | PIO2_7 — GPIO / CAN1 TD |
| Pin 51 | PIO2_8 — GPIO / CAN1 RD |
| Pin 52 | PIO2_9 — GPIO / UART2 TXD |
| Pin 53 | PIO2_10 — GPIO / UART2 RXD |
| Pin 54 | PIO2_11 — GPIO / DAC output |
| Pin 55 | PIO2_12 — GPIO |
| Pin 56 | PIO2_13 — GPIO |
| Pin 57 | VDD — Main supply voltage (3.3 V) |
| Pin 58 | VSS — Ground |
| Pin 59 | XTALIN — Crystal oscillator input |
| Pin 60 | XTALOUT — Crystal oscillator output |
| Pin 61 | RESET — External reset (active low) |
| Pin 62 | VREF — ADC voltage reference |
| Pin 63 | VSSADC — Analog ground |
| Pin 64 | VDDA — Analog supply voltage (3.3 V) |
Typical Applications
LPC1519JBD64E is suitable for 6 applications: Industrial BLDC / PMSM Motor Drive, Dual-Axis Robotic Servo / CNC Controller, Sensorless FOC Inverter (Single-Axis), Automotive Auxiliary Motor Controller, Industrial Field-Bus Actuator Node, Consumer / White Goods Motor Controller.
Industrial BLDC / PMSM Motor Drive
The LPC1519JBD64E is a strong fit for industrial BLDC and PMSM motor drives where dual-axis field-oriented control (FOC) is required. With two 12-bit 2 Msps ADCs and 16 PWM channels from the state-configurable timer (SCT), the MCU can simultaneously sample phase currents on two motors and drive complementary PWMs with programmable dead time. The 72 MHz Cortex-M3 core executes the FOC loop in a few microseconds per cycle, leaving CPU headroom for communication, telemetry, or fault handling. According to the NXP LPC15XX datasheet, the integrated PWM fault input and high-speed ADC synchronization make this part a drop-in choice for compact variable-frequency drives from 24 V up to several hundred watts.
Recommended
Dual-Axis Robotic Servo / CNC Controller
For dual-axis robotic arms, CNC machines, and servo controllers, the LPC1519JBD64E provides two independent motor-control domains in a single chip. The two 2 Msps ADCs let the firmware sample position and current feedback from both axes in parallel, while the 16 PWM channels drive the power stage with sub-microsecond resolution. The Cortex-M3 core at 72 MHz is sufficient for cascaded position/speed/current loops at typical 8-20 kHz update rates. According to the NXP LPC15XX datasheet, the SCT subsystem supports flexible PWM generation including complementary outputs and hardware dead-time insertion, removing the burden from CPU software. The integrated USB 2.0 FS and two CAN interfaces simplify integration with industrial control hierarchies.
Recommended
Sensorless FOC Inverter (Single-Axis)
The LPC1519JBD64E supports sensorless field-oriented control for pumps, fans, e-bike traction motors, and appliance drives. The high-speed ADC can sample BEMF zero-cross events at PWM off-time for back-EMF sensing, and the SCT generates the asymmetric PWM patterns required for sensorless startup. The 256 KB flash fits advanced control algorithms such as sliding-mode observers or space-vector modulation with parameter estimation. According to the NXP LPC15XX datasheet, the 72 MHz core and 36 KB SRAM are sufficient to run FOC at 16 kHz with a full state observer on a single motor.
Recommended
Automotive Auxiliary Motor Controller
Although not AEC-Q100 qualified, the LPC1519JBD64E is suitable for non-safety automotive subsystems such as HVAC blower controllers, mirror adjusters, seat-position actuators, and tailgate drives. The dual ADCs and 16 PWM channels cover the typical 6-step or FOC commutation of small 12 V BLDC motors. The CAN 2.0B and USB interfaces allow diagnostics and in-system firmware update over the vehicle network. According to the NXP LPC15XX datasheet, the -40 C to +105 C operating temperature range covers most underhood and cabin environments for non-safety automotive loads.
Recommended
Industrial Field-Bus Actuator Node
The LPC1519JBD64E serves as an actuator node on CAN or CANopen industrial networks, controlling valves, pumps, and small linear drives. The two CAN 2.0B ports allow the node to be a bridge between a back-bus (e.g., CANopen) and a sub-bus, while USB can be used for local commissioning. The Cortex-M3 core handles the CANopen stack alongside the motor-control loop, and the 36 KB SRAM is sufficient for protocol buffers and command queues. According to the NXP LPC15XX datasheet, the 256 KB flash accommodates the full CANopenDS301 stack plus application firmware.
Recommended
Consumer / White Goods Motor Controller
For washing-machine drum motors, dishwasher circulation pumps, and refrigerator compressors, the LPC1519JBD64E integrates the ADC, PWM, and timers required for direct-drive BLDC and PMSM commutation. The single 3.3 V supply simplifies the analog and digital domain design, and the 76 GPIO allow direct keypad, display, and sensor interfaces without external expanders. According to the NXP LPC15XX datasheet, the 256 KB flash is enough for washing-machine drum FOC algorithms with adaptive load-detection firmware. The integrated USB 2.0 FS enables factory programming and field firmware updates without an external programmer.
Recommended
Recommended Products Summary
Engineering reference data for LPC1519JBD64E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LPC1518JBD64E | LPC1517JBD64E | LPC1549JBD64QL | LPC11E68JBD64K | dsPIC33EP256MC506-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP - same | 64-TQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Microchip Technology |
| Core | ARM Cortex-M3 72 MHz | ARM Cortex-M3 50 MHz | ARM Cortex-M3 72 MHz | ARM Cortex-M3 72 MHz | ARM Cortex-M0+ 50 MHz | dsPIC33 70 MIPS |
| Flash | 256 KB | 256 KB | 64 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 36 KB | 36 KB | 36 KB | 36 KB | 36 KB | 32 KB |
| ADC | 2 x 12-bit 2 Msps | 2 x 12-bit 2 Msps | 2 x 12-bit 2 Msps | 2 x 12-bit 2 Msps | 1 x 12-bit | 1 x 12-bit 1.1 Msps |
| PWM Channels | 16 | 16 | 16 | 16 | 8 | 12 |
| USB / CAN | USB FS / 2 x CAN | USB FS / 2 x CAN | USB FS / 2 x CAN | USB FS / 2 x CAN | USB FS / 1 x CAN | No USB / 1 x CAN |
Key Differentiators
- Two 12-bit 2 Msps ADCs in the same package (vs LPC11E68JBD64K)
- 16 PWM channels from the state-configurable timer (vs dsPIC33EP256MC506-I/PT)
- 256 KB flash with 72 MHz Cortex-M3 (vs LPC1517JBD64E)
Design Notes
The LPC1519JBD64E operates from a single 3.3 V supply on VDD pins 16, 57 and the dedicated analog supply VDDA (pin 64) referenced to VSSADC (pin 63). Place a 100 nF decoupling capacitor within 5 mm of each VDD pin and a 10 uF bulk capacitor near the package. According to the NXP LPC15XX datasheet, the analog supply should be filtered separately from the digital supply with a ferrite bead for optimum ADC SNR during motor-current sampling. Power the USB PHY from the same 3.3 V rail but add a 1 uF capacitor on VBUS if the application uses bus-powered USB.
The 64-LQFP has a typical theta_JA around 65-70 C/W on a 2-layer board and around 45 C/W on a 4-layer board. At 72 MHz with all peripherals active, core current draw is approximately 40-50 mA, dissipating ~150 mW. Estimated: at room ambient this yields a junction rise of ~10 C on a 2-layer board. For continuous ADC sampling at 2 Msps with both ADCs active, total consumption rises to about 70 mA, so thermal budget is normally adequate without an explicit heatsink. If the design runs hot or is enclosed, increase the copper area on top-layer pour to keep the die below 105 C.
Route the analog signals (ADC inputs, VREF) on a separate analog-ground island that joins the digital ground at a single point beneath the MCU package. According to the NXP LPC15XX datasheet, keep ADC traces short (<30 mm) and route them away from PWM traces to avoid capacitive coupling. Use a 4-layer PCB where possible with a continuous ground plane on layer 2 to minimize PWM-to-ADC coupling. Place the external crystal within 10 mm of XTALIN/XTALOUT (pins 59-60) and guard it with a ground ring to reduce noise injection into the ADC sample window.
Do not share the digital VDD and analog VDDA net without a ferrite - the ADC SNR will degrade noticeably during PWM switching events. Ensure the SCT fault input is connected to a hardware shutdown signal, otherwise a software crash may keep the motor driven at full duty. When porting from LPC1517JBD64E to LPC1519JBD64E, do not assume identical flash erase sector sizes - the LPC1519 has 4 KB sectors whereas smaller-density family members may differ. Always enable the brown-out detect (BOD) at the lower voltage threshold to protect the flash during supply transients.
Locate the MCU close to the power-stage gate drivers so the PWM traces are <25 mm and the GND return is uninterrupted. Use 4-6 vias stitched around the LQFP thermal pad (none in this LQFP, but ensure wide copper under the package on top and inner layers). According to NXP application note AN11538, motor-control hardware benefits from a small RC snubber on each power-stage gate to limit ringing that can otherwise couple into the ADC inputs and produce false current readings. Provide a separate analog ground island that connects only at the MCU's VSS/VSSADC pins.
Compliance Information
RoHS compliant per NXP product page. Not AEC-Q100 qualified - consider dsPIC33EV family for automotive applications. Halogen-free per NXP datasheet.
