PIC18LF24J11T-I/ML - 8-Bit 48MHz XLP 16KB Flash MCU | Microchip
Teilenummer: PIC18LF24J11T-I/ML ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.15 | $2,15 |
| 10 | $1.95 | $19,50 |
| 100 | $1.62 | $162,00 |
| 500 | $1.41 | $705,00 |
| 1.000 | $1.25 | $1.250,00 |
PIC18LF24J11T-I/ML Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on a single die. The PIC18 family is Microchip's 8-bit RISC architecture, sitting within the broader category of embedded microcontrollers, and is widely used in cost-sensitive, low-power, mixed-signal applications. The PIC18LF24J11 belongs to the PIC18 J-series, which adds Peripheral Pin Select (PPS) for flexible signal routing and nanoWatt XLP technology for ultra-low sleep currents, enabling battery-powered designs that run for years on a single cell.
Key features include 12 MIPS peak performance, hardware multipliers, a 10-bit ADC with up to 13 channels, two analog comparators, two UART/USART modules, two I2C and two SPI interfaces, four 16-bit timers, and a deep-sleep mode drawing as little as 20 nA. The 28-QFN (6x6) package with exposed thermal pad provides good thermal dissipation in a compact 6 mm x 6 mm footprint suitable for space-constrained designs.
Architecturally, the device uses a modified Harvard core with separate program and data buses, allowing instruction fetch and data access in the same cycle. The Peripheral Pin Select feature allows most digital peripherals to be remapped to any digital I/O pin at runtime, decoupling the PCB layout from the firmware's peripheral choices and dramatically simplifying board design.
Typical applications include battery-powered sensor nodes, USB-to-UART bridges, low-cost consumer electronics, industrial control modules, and home appliances. The wide peripheral set also makes the device suitable for small human-machine interface (HMI) panels and motor-control companion logic.
When designing with this part, place a 100 nF decoupling capacitor as close as possible to the VDD pin and a 10 uF bulk capacitor on the main supply rail. Configure unused I/O as outputs low to minimize power consumption, and leverage the deep-sleep mode with the on-board RTCC for wake-up timing on battery-operated nodes.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in-Alternativen für PIC18LF24J11T-I/ML – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC18LF24J11T-I/ML (gleiche Bauform und Footprint) – abweichend in ADC, Package, Operating Temperature, Core Architecture, Maximum CPU Speed.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18LF24J11-I/ML
✅ Drop-In✓ Auf Lager
$1.95 / Stück
Datenblatt ansehen →PIC18LF25J11-I/ML
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18LF24J10-I/ML
✅ Drop-In✓ Auf Lager
$2.62 / Stück
Datenblatt ansehen →PIC18LF23K22-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$2.2 / Stück
Datenblatt ansehen →PIC18LF24J11T-I/ML Grenzwerte & elektrische Eigenschaften
| Core Architecture | PIC18 8-bit RISC |
| Family | PIC18F J-series, XLP nanoWatt |
| Maximum CPU Frequency | 48 MHz |
| Program Memory (Flash) | 16 KB (8K x 16) |
| RAM | 4 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| Instruction Set Width | 16-bit |
| Performance | 12 MIPS |
| ADC | 10-bit, up to 13 channels |
| Comparators | 2 analog comparators |
| UART/USART | 2 |
| I2C | 2 |
| SPI | 2 |
| Timers | 4 x 16-bit |
| Betriebstemperatur | -40C to +85C (Industrial) |
| Gehäuse | 28-pin QFN (6x6 mm) with exposed pad |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
| Lead-Free / Halogen-Free | Lead Free / RoHS Compliant |
PIC18LF24J11T-I/ML Pin-Konfiguration
| Pin 1 | VDD — Positive supply voltage (2.0V to 3.6V) |
| Pin 2 | RA0/AN0 — Digital I/O / analog input channel 0 |
| Pin 3 | RA1/AN1 — Digital I/O / analog input channel 1 |
| Pin 4 | RA2/AN2/VREF- — Digital I/O / analog input / ADC VREF- |
| Pin 5 | RA3/AN3/VREF+ — Digital I/O / analog input / ADC VREF+ |
| Pin 6 | RA4 — Digital I/O (open-drain option) |
| Pin 7 | RA5/AN4 — Digital I/O / analog input channel 4 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/RA7 — Crystal oscillator input / digital I/O |
| Pin 10 | OSC2/RA6 — Crystal oscillator output / digital I/O |
| Pin 11 | RC0 — Digital I/O |
| Pin 12 | RC1 — Digital I/O |
| Pin 13 | RC2 — Digital I/O |
| Pin 14 | RC3 — Digital I/O |
| Pin 15 | RC4 — Digital I/O |
| Pin 16 | RC5 — Digital I/O |
| Pin 17 | RC6 — Digital I/O / TX for UART1 |
| Pin 18 | RC7 — Digital I/O / RX for UART1 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0/AN12 — Digital I/O / analog input channel 12 |
| Pin 22 | RB1/AN10 — Digital I/O / analog input channel 10 |
| Pin 23 | RB2/AN8 — Digital I/O / analog input channel 8 |
| Pin 24 | RB3/AN9 — Digital I/O / analog input channel 9 |
| Pin 25 | RB4 — Digital I/O |
| Pin 26 | RB5 — Digital I/O |
| Pin 27 | RB6/PGC — Digital I/O / ICSP clock |
| Pin 28 | RB7/PGD — Digital I/O / ICSP data |
Typische Anwendungen
PIC18LF24J11T-I/ML ist geeignet für 6 Anwendungs: Battery-Powered Wireless Sensor Nodes, USB-to-UART Bridge and Protocol Converter, Industrial Control and Sensor Conditioning, Low-Cost Consumer Electronics and Home Appliance Controllers, Human-Machine Interface (HMI) Panels, Motor Control Companion Logic and Sensorless BLDC.
Battery-Powered Wireless Sensor Nodes
The PIC18LF24J11T-I/ML is well-suited for battery-powered wireless sensor nodes due to its nanoWatt XLP technology with deep-sleep current as low as 20 nA and 2.0V-3.6V VDD range compatible with two AA alkaline cells or a single Li-ion primary. The 48 MHz core with 12 MIPS throughput handles protocol stacks such as ZigBee, LoRa, or Bluetooth Low Energy without saturating CPU bandwidth. The 4 KB RAM accommodates typical sensor-fusion buffers and stack memory, while the 16 KB Flash fits the wireless stack plus application code. Designers place the MCU in deep-sleep between sensor readings and use the RTCC to wake periodically, achieving multi-year battery life on a 2xAA cell.
Empfohlen
USB-to-UART Bridge and Protocol Converter
The PIC18LF24J11T-I/ML serves as a low-cost USB-to-UART bridge, leveraging its two UART/USART modules, two I2C, and two SPI interfaces to translate between serial protocols in industrial gateways. The 12 MIPS throughput is more than sufficient for protocol conversion at typical 115200 baud rates, and the 4 KB RAM provides buffer space for packet reassembly. The 2.0V-3.6V VDD range allows direct connection to 3.3V logic without level shifters. The compact 28-QFN (6x6 mm) footprint is well-suited for inline cable dongles where board space is at a premium and the exposed pad provides adequate thermal dissipation at the modest power levels of a bridge device.
Empfohlen
Industrial Control and Sensor Conditioning
In industrial control applications, the PIC18LF24J11T-I/ML's 10-bit ADC with up to 13 channels digitizes analog signals from temperature, pressure, and flow sensors, while two analog comparators support threshold detection and overcurrent protection. The 4 KB RAM allows local storage of calibration coefficients and digital filter state, and the 16 KB Flash accommodates Modbus RTU, CAN, or proprietary protocol stacks. The -40C to +85C industrial temperature range meets the requirements of factory floor environments. The Peripheral Pin Select feature allows designers to route UART, I2C, and SPI to any digital I/O pin, simplifying PCB layout when multiple SPI slaves share the bus.
Empfohlen
Low-Cost Consumer Electronics and Home Appliance Controllers
The PIC18LF24J11T-I/ML is widely deployed in cost-sensitive consumer products such as coffee makers, washing machine control boards, and small kitchen appliances where unit cost is paramount. The 16 KB Flash fits the user interface state machine, button debouncing logic, and simple display driver code, while the 4 KB RAM supports menu navigation and timer state. The 2.0V-3.6V VDD range is compatible with 3.3V regulated supplies common in these products. The compact 28-QFN (6x6 mm) package enables miniaturized control boards inside tight enclosures, and the -40C to +85C range covers typical appliance operating environments including unheated garages and outdoor enclosures.
Empfohlen
Human-Machine Interface (HMI) Panels
The PIC18LF24J11T-I/ML drives small HMI panels with character LCDs, LED indicators, and keypad input, using the four 16-bit timers for PWM backlight dimming and debounced key scanning. The 12 MIPS throughput drives character LCD interfaces at 4-bit or 8-bit mode while simultaneously scanning an 8x8 keypad matrix with software debouncing. The 16 KB Flash accommodates graphic icon tables and multi-language string tables, and the 4 KB RAM provides buffer space for display update transactions. The Peripheral Pin Select feature allows the LCD data bus and control signals to be routed to any available I/O pin, simplifying PCB layout in space-constrained panel designs.
Empfohlen
Motor Control Companion Logic and Sensorless BLDC
As a companion MCU in motor control designs, the PIC18LF24J11T-I/ML handles user interface, fault monitoring, and communication while a dedicated gate driver IC manages the three-phase inverter. The 10-bit ADC reads back EMF sensing and current shunt signals for sensorless BLDC commutation logic, and the 16 KB Flash fits the commutation state machine. The 4 KB RAM supports speed-ramp tables and PID controller state, and the -40C to +85C range covers industrial motor operating environments. The compact 28-QFN (6x6) footprint is suitable for integration directly on the motor control PCB alongside power stage components.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18LF24J11T-I/ML – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18LF24J11-I/ML | PIC18LF25J11-I/ML | PIC18LF24J10-I/ML | PIC18LF23K22-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Flash Memory | 16 KB | 16 KB | 32 KB | 8 KB | 8 KB |
| RAM | 4 KB | 4 KB | 4 KB | 2 KB | 512 B |
| Maximum CPU Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 16 MHz |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 1.8V to 3.6V |
| Family / Series | PIC18F J-series XLP | PIC18F J-series XLP | PIC18F J-series XLP | PIC18F J-series XLP | PIC18F K-series |
| Pin Count | 28 | 28 | 28 | 28 | 28 |
Wichtigste Unterscheidungsmerkmale
- Same-die tube-packaging alternative at lower per-piece cost in low volumes (vs. PIC18LF24J11-I/ML)
- Drop-in Flash upgrade path for larger protocol stacks (vs. PIC18LF25J11-I/ML)
- Cost-reduced variant for memory-constrained simple applications (vs. PIC18LF24J10-I/ML)
Designhinweise
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 1 and 20) and a 10 uF bulk capacitor on the main supply rail. The PIC18LF24J11T-I/ML can draw brief current spikes during Flash programming and ADC conversions, so the bulk capacitor prevents VDD droop that could cause brown-out resets. For battery-powered designs, the deep-sleep current of 20 nA can only be achieved with all peripherals disabled and the internal oscillator switched to the low-power 31 kHz mode.
The 28-QFN package has an exposed thermal pad (EP) on the underside that must be soldered to a copper pad on the PCB for both thermal dissipation and mechanical reliability. Connect the EP to VSS and provide at least 8 thermal vias in a 3x3 grid pattern under the pad to conduct heat to the inner ground plane. Skipping the EP solder connection can cause intermittent failures under thermal stress or vibration.
Configure all unused digital I/O pins as outputs driving low to minimize power consumption, especially in battery-powered applications. Floating inputs can draw several microamperes each through the CMOS input stage and dominate the deep-sleep current budget. Also, when using the internal oscillator, calibrate the OSCTUNE register against the application timing requirements to avoid drift over temperature and voltage variations.
Use the Peripheral Pin Select (PPS) feature to route digital peripherals (UART, SPI, I2C) to any available digital I/O pin, decoupling the PCB layout from the firmware's peripheral assignments. This is especially valuable when SPI slaves share the bus - you can place each slave's chip-select on the most convenient pin without having to re-route the PCB if the firmware changes peripheral mapping. Refer to the PIC18F24J11 family datasheet section on PPS for the complete remap table.
Compliance-Informationen
RoHS compliant and lead-free per Microchip product page and Besenchips distributor listing. Not AEC-Q100 qualified; choose a PIC18 K-series automotive variant (AEC-Q100 grade 1) for automotive applications.
