PIC18LF4515T-I/ML - 8-bit MCU 48KB Flash 40MHz 44-QFN | Microchip
Teilenummer: PIC18LF4515T-I/ML ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $6.92 | $6,92 |
| 10 | $6.18 | $61,80 |
| 100 | $5.41 | $541,00 |
| 500 | $4.85 | $2.425,00 |
| 1.000 | $4.32 | $4.320,00 |
PIC18LF4515T-I/ML Übersicht
What is a PIC18 microcontroller? PIC18 is Microchip's 8-bit enhanced RISC family within the broader PIC microcontroller lineup, itself a category of single-chip microcontrollers integrating CPU, Flash, RAM, peripherals, and I/O on one die. PIC18F parts add enhanced Flash memory and richer peripherals versus baseline PIC16F parts, and the LF sub-family optimizes core and peripheral logic for low-voltage operation using nanoWatt technology. PIC18 sits at the entry to Microchip's 16-bit dsPIC/PIC24 and 32-bit PIC32 families, covering mid-complexity embedded designs.
Key features of the PIC18LF4515T-I/ML include 1,024 bytes of EEPROM, 36 general-purpose I/O pins, a 13-channel 10-bit ADC, three analog comparators, two 8-bit timers plus three 16-bit timers, two capture/compare/PWM modules, two USART modules, one MSSP (master synchronous serial port) supporting both I2C and SPI, and a 10-bit ADC with internal reference options. The 44-QFN package exposes the die ground pad for thermal dissipation, allowing higher-frequency operation in thermally constrained layouts.
The PIC18F4515 core uses a 16-bit modified Harvard architecture with an 8-bit data path, 8x8 hardware multiplier, and a hardware divider; the LF variant replaces the F-version's 4.2V-5.5V operating range with a 2.0V-5.5V range suitable for battery and 3.3V systems. nanoWatt technology adds sleep, idle, and oscillator-switching modes for ultra-low standby current, enabling years of operation from a single lithium cell in metering or sensor applications.
Typical applications include industrial control panels, single-phase induction motor control (a documented target for this family), home appliances, sensor hubs, USB device stacks (using the USART plus MSSP), instrumentation data loggers, and general-purpose embedded control boards. The wide memory and rich peripheral set also suit automotive body electronics where the I-temperature range is sufficient.
When designing with this part, ensure the 44-QFN exposed pad is soldered to a sufficiently large copper pour to meet thermal and electrical requirements; Microchip recommends at least 16 via holes connecting the thermal pad to internal ground planes. For ICE/in-circuit debugging, allocate the dedicated PGC/PGD pins early, and confirm crystal or resonator load capacitance matches the chosen oscillator configuration.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in-Alternativen für PIC18LF4515T-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 PIC18LF4515T-I/ML (gleiche Bauform und Footprint) – abweichend in Package, Timers, ADC, Core Architecture, Program Memory.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18LF4515-I/ML
✅ Drop-In✓ Auf Lager
$4.1 / Stück
Datenblatt ansehen →PIC18LF4510T-I/ML
✅ Drop-In✓ Auf Lager
$4.1 / Stück
Datenblatt ansehen →PIC18LF4510-I/P
✅ Drop-In✓ Auf Lager
$5.34 / Stück
Datenblatt ansehen →PIC18LF4480T-I/ML
✅ Drop-In✓ Auf Lager
$4.72 / Stück
Datenblatt ansehen →PIC18LF4450T-I/ML
✅ Drop-In✓ Auf Lager
$2.55 / Stück
Datenblatt ansehen →PIC18LF4455T-I/PT
✅ Drop-In✓ Auf Lager
$5.03 / Stück
Datenblatt ansehen →PIC18LF4515T-I/ML Grenzwerte & elektrische Eigenschaften
| Core Architecture | 8-bit PIC18 enhanced RISC |
| Family | PIC18F4515 (LF low-voltage sub-family) |
| Program Memory | 48 KB Flash (24K x 16 words) |
| RAM | 3,968 bytes |
| EEPROM | 1,024 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Supply Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 13 channels x 10-bit |
| Comparators | 3 analog comparators |
| Timers | 2 x 8-bit + 3 x 16-bit |
| CCP Modules | 2 (Capture/Compare/PWM) |
| Communication Interfaces | 2 x USART (RS-232/RS-485), 1 x MSSP (I2C/SPI) |
| Betriebstemperatur | -40C to +85C (industrial) |
| Gehäuse | 44-pin QFN (8x8 mm) with exposed thermal pad |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
| Lead-Free | Yes |
| Programming/Debug | ICSP via PGC/PGD, 2-wire ICD |
PIC18LF4515T-I/ML 44-pin qfn (8x8 mm) with exposed thermal pad Pinbelegungsleitfaden
Pinbelegung für PIC18LF4515T-I/ML (44-pin qfn (8x8 mm) with exposed thermal pad-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für PIC18LF4515T-I/ML.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
PIC18LF4515T-I/ML ist geeignet für 7 Anwendungs: Industrial Control Panel, Single-Phase Motor Control, Home Appliance Controller, Battery-Powered Sensor Hub, Instrumentation Data Logger, USB Device Peripherals, Automotive Body Electronics (Non-Safety).
Industrial Control Panel
The PIC18LF4515T-I/ML fits industrial control panels because its 36 I/O pins directly drive 7-segment displays, keypads, status LEDs, and optocoupler-isolated relay drivers without external I/O expanders. The 48 KB Flash accommodates full Modbus RTU state machines and HMI menu logic, while the 13-channel 10-bit ADC monitors up to 13 analog sensor inputs (temperature, pressure, level) at 100 kS/s aggregate. The 2.0-5.5V supply range accepts both 3.3V logic-level sensors and 5V legacy relays on the same PCB, and the -40C to +85C industrial temperature range handles factory-floor conditions without derating. Two USARTs support simultaneous Modbus master and debug-console links.
Empfohlen
Single-Phase Motor Control
Although the PIC18F4539 is the dedicated motor-control sibling, PIC18LF4515T-I/ML still drives single-phase induction motor and brushed DC motor applications via its 3 analog comparators and 2 CCP/PWM modules. The 10-bit ADC samples back-EMF and current sensing at up to 100 kS/s, while the 16-bit timers drive PWM at 20 kHz above audible noise. nanoWatt sleep mode brings quiescent current below 1 uA, suitable for mains-powered standby designs meeting energy regulations. The 44-QFN exposed pad dissipates up to 1 W continuous, sufficient for closed-loop current control firmware with PID loops stored in 48 KB Flash.
Empfohlen
Home Appliance Controller
White goods such as washing machines, dishwashers, and induction cooktops use PIC18LF4515T-I/ML because its 36 I/O pins drive seven-segment or LCD user interfaces, keypad scanning, buzzer PWM, and triac-fired heater/dimmer outputs directly. The 48 KB Flash holds state-machine firmware for multi-cycle wash programs, while 3.9 KB RAM supports large lookup tables for temperature ramps and load profiles. The MSSP running I2C reads digital temperature sensors and EEPROM settings, while a USART interfaces to the main inverter board. The 2.0V operation supports backup-battery RTC functions during mains dropout, and the industrial temperature range covers the under-cabinet thermal envelope.
Empfohlen
Battery-Powered Sensor Hub
PIC18LF4515T-I/ML operates from 2.0V to 5.5V and includes nanoWatt sleep modes that drop quiescent current to <1 uA, enabling years of operation from two AA cells in wireless sensor hubs. The 13-channel 10-bit ADC scans up to 13 analog sensors (temperature, humidity, light, gas) sequentially, while the MSSP (I2C or SPI) interfaces to digital sensors and an RF transceiver. 1 KB of EEPROM stores calibration constants and node IDs that survive battery swaps. The 36 I/O pins handle LED indicators, pushbuttons, and multiple interrupt-driven wake sources from sensors and timers.
Empfohlen
Instrumentation Data Logger
Portable data loggers use PIC18LF4515T-I/ML because its 48 KB Flash buffers weeks of measurement records, while the MSSP writes to SPI Flash or SD cards for long-term storage. The 13-channel 10-bit ADC samples thermocouples, strain gauges, and 4-20 mA current loops simultaneously, and the 2 CCP modules trigger captures precisely on timing events. Two USARTs support GPS time-sync input and Bluetooth modem output, while the 2.0V operation runs from lithium-thionyl-chloride primary cells that deliver 3.6V nominal and tolerate -40C ambient. Industrial temperature range ensures field reliability across seasons.
Empfohlen
USB Device Peripherals
While PIC18LF4515T-I/ML lacks native USB, the pinout-identical PIC18LF4450T-I/ML in the same 44-QFN footprint adds full-speed USB 2.0 for HID, CDC, or vendor-class device implementations. This makes the PCB-layout-compatible family ideal for designers who may need to migrate between plain-MCU and USB-MCU versions during development. The 48 KB Flash in PIC18LF4515T-I/ML supports USB stack libraries from Microchip's MLA framework if migrated to the 4450. Both share 36 I/O pins, 13-channel 10-bit ADC, two USARTs, and the 2.0V-5.5V supply range.
Empfohlen
Automotive Body Electronics (Non-Safety)
PIC18LF4515T-I/ML serves non-safety automotive body modules such as seat controllers, mirror adjusters, ambient lighting, and HVAC blend-door actuators where the industrial -40C to +85C temperature range and 5V operation are sufficient. The 36 I/O pins drive multiple motors and LEDs through H-bridges and current-limiters, while the 13-channel ADC reads position feedback, temperature, and current sense. The CAN-capable PIC18LF4480T-I/ML is pin-compatible and recommended when a 2.0B CAN bus is required for body-network integration. 48 KB Flash holds body-control state machines for door-zone coordination.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18LF4515T-I/ML – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18LF4515-I/ML | PIC18LF4510T-I/ML | PIC18LF4480T-I/ML | PIC18LF4450T-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 48 KB | 48 KB | 32 KB (-33%) | 16 KB (-67%) | 32 KB (-33%) |
| RAM | 3,968 bytes | 3,968 bytes | 1,536 bytes (-61%) | 768 bytes (-81%) | 2,048 bytes (-48%) |
| CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 48 MHz (higher) |
| USB | No | No | No | No | Yes (USB 2.0 FS) |
| CAN | No | No | No | Yes (CAN 2.0B) | No |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| I/O Pins | 36 | 36 | 36 | 36 | 36 |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
Wichtigste Unterscheidungsmerkmale
- Largest Flash in 44-QFN LF-4515 family (vs. PIC18LF4510T-I/ML)
- Highest RAM in PIC18F45xx family (vs. PIC18LF4480T-I/ML)
- No USB overhead, simpler BOM (vs. PIC18LF4450T-I/ML)
- Industrial temperature range for factory environments (vs. PIC18F4515T-I/ML (non-LF))
Designhinweise
The 44-QFN exposed thermal pad (EP) is the primary heat-dissipation path for PIC18LF4515T-I/ML. Solder the EP to a ground copper pour of at least 1 square inch (645 mm^2), connected to the system ground plane with at least 16 thermal vias of 0.3 mm drill. Without proper EP soldering, junction temperature can exceed 125C under sustained 40 MHz operation, triggering thermal reset. Stencil aperture for the EP should be a grid pattern covering 60-80% of the pad area to ensure reliable solder joint formation.
Route the ICSP signals PGC and PGD to dedicated test pads or a 0.1 inch header; do not share these pins with application circuits unless the schematic includes series resistors or jumpers for isolation. The MCLR pin requires a 10 kohm pull-up to VDD plus a 100 nF cap to ground for in-circuit debugging; omitting the cap can cause spurious resets during programming. Place decoupling capacitors (100 nF ceramic plus 10 uF bulk) within 3 mm of each VDD pin.
Do not confuse PIC18LF4515 (LF, 2.0-5.5V) with PIC18F4515 (F, 4.2-5.5V only). The F variant cannot operate below 4.2V and will brown out in 3.3V designs. Similarly, do not assume PIC18LF4510T-I/ML is electrically equivalent to PIC18LF4515T-I/ML - it has only 32 KB Flash and 1.5 KB RAM, so firmware that fits the 4515 may fail to link or run on the 4510. Always verify both Flash and RAM requirements when selecting a memory-reduced alternative. Estimated: code-size reduction of 33% Flash and 61% RAM yields roughly 60% of original firmware fitting, depending on data structures.
For designs using the external high-speed oscillator (HS mode above 25 MHz), place the crystal or resonator within 5 mm of the OSC1/OSC2 pins, with short symmetric traces and a grounded guard ring. Load capacitors (typically 15-33 pF) must match the crystal's load capacitance specification; undersized capacitors cause frequency error, oversized cause failure to start. For EMI-sensitive designs, switch to the 4x PLL mode with a lower-frequency crystal to reduce EMI from the crystal traces themselves.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page. Lead-free matte-tin finish. Not AEC-Q100 qualified - not recommended for automotive safety-critical applications. Halogen-free per Microchip material declarations. Conflict-minerals statement available on Microchip.com.