PIC18F1330T-I/SS - 8KB Flash 8-bit MCU 40MHz Motor Control PWM | Microchip
MPN: PIC18F1330T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.95 | $39.50 |
| 100 | $3.6 | $360.00 |
| 500 | $3.2 | $1,600.00 |
| 1,000 | $2.85 | $2,850.00 |
| 3,000 | $2.45 | $7,350.00 |
PIC18F1330T-I/SS Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a configurable set of peripheral interfaces. Within the broader taxonomy, the PIC18F1330 belongs to the PIC18 family -> PIC18F subfamily -> 8-bit PIC microcontrollers -> microcontroller IC -> integrated circuit -> semiconductor. The PIC18 architecture is Microchip's enhanced 8-bit Harvard RISC core, offering 16-bit instructions, linear memory addressing, and a C-friendly instruction set that bridges 8-bit simplicity with 16-bit performance for cost-sensitive embedded designs.
Key features include hardware Motor Control PWM with configurable duty, period, dead-time and fault inputs; three on-chip analog comparators with software-selectable reference for closed-loop current sensing; LIN/USART serial interface with auto-baud detection; ICD2 in-circuit debugging support; and nanoWatt power management with multiple idle/sleep modes. The 8 KB self-programmable flash supports boot-loader and field firmware updates, while the 256-byte RAM is partitioned for general-purpose, access-bank and context-saving operations.
Typical applications include BLDC and brushed-DC motor control (drones, small appliances, fans, pumps), automotive LIN slaves for body controllers, sensor signal conditioning with on-chip comparator-based hysteresis, low-cost fan controllers, and stepper motor drivers where the dedicated 14-bit PWM module eliminates the need for an external motor-control coprocessor.
Designers should ensure VDD decoupling is placed within 5 mm of the supply pin and that the internal 8 MHz oscillator is trimmed via the OSCTUNE register if the application demands a precise CAN/LIN bit timing budget.
Drop-in alternatives for PIC18F1330T-I/SS — 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 PIC18F1330T-I/SS (same form factor and footprint) — differing in Package, ADC, Analog Comparators, Internal Oscillator, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F1330-I/SS
✅ Drop-In✓ In Stock
$2.1 / Unit
View Datasheet →PIC18F1330T-I/SO
✅ Drop-In✓ In Stock
$2.15 / Unit
View Datasheet →PIC18F1230T-I/SS
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC18F1330-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F1320T-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F1330T-I/SS Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Series | PIC® 18F |
| Core Architecture | PIC18 Harvard RISC (8-bit data path, 16-bit instruction word) |
| Maximum Clock Frequency | 40 MHz (10 MIPS) |
| Instruction Execution Time | 200 ns |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 256 bytes |
| Operating Voltage Range | 4.2 V to 5.5 V |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| I/O Pins | 16 |
| ADC | 10-bit, up to 6 channels |
| Analog Comparators | 3 with software-selectable on-chip reference |
| PWM Module | 14-bit dedicated Motor Control PWM |
| Serial Interface | LIN-capable USART with auto-baud |
| Internal Oscillator | 8 MHz with PLL |
| Package | 20-pin SSOP (5.30 mm body) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Debug Support | ICSP / ICD 2 |
PIC18F1330T-I/SS Pin Configuration
| Pin 1 | RA0/AN0/CVREF — Digital I/O / Analog input 0 / Comparator reference output |
| Pin 2 | RA1/AN1 — Digital I/O / Analog input 1 |
| Pin 3 | RA2/AN2/C1IN+ — Digital I/O / Analog input 2 / Comparator 1 non-inverting input |
| Pin 4 | RA3/AN3/C1IN- — Digital I/O / Analog input 3 / Comparator 1 inverting input |
| Pin 5 | RA4/AN4/C2IN+/T0CKI — Digital I/O / Analog input 4 / Comparator 2 non-inverting input / Timer0 clock |
| Pin 6 | RA5/AN5/C2IN-/SS/HLVDIN — Digital I/O / Analog input 5 / Comparator 2 inverting input / SPI slave select / High/Low voltage detect |
| Pin 7 | VDD — Positive power supply (4.2V to 5.5V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RA7 — Crystal oscillator input / External clock input / Digital I/O |
| Pin 10 | OSC2/CLKO/RA6 — Crystal oscillator output / Clock output / Digital I/O |
| Pin 11 | RC0/PWM0 — Digital I/O / Motor Control PWM channel 0 output |
| Pin 12 | RC1/PWM1 — Digital I/O / Motor Control PWM channel 1 output |
| Pin 13 | RC2/PWM2/CCP1 — Digital I/O / Motor Control PWM channel 2 output / Capture/Compare/PWM 1 |
| Pin 14 | RC3/PWM3 — Digital I/O / Motor Control PWM channel 3 output |
| Pin 15 | RC4/PWM4 — Digital I/O / Motor Control PWM channel 4 output |
| Pin 16 | RC5/PWM5 — Digital I/O / Motor Control PWM channel 5 output |
| Pin 17 | RC6/TX/CK — Digital I/O / USART asynchronous transmit / USART synchronous clock |
| Pin 18 | RC7/RX/DT — Digital I/O / USART asynchronous receive / USART synchronous data |
| Pin 19 | RB0/INT0/FLTA — Digital I/O / External interrupt 0 / PWM fault A input |
| Pin 20 | RB1/INT1 — Digital I/O / External interrupt 1 |
Typical Applications
PIC18F1330T-I/SS is suitable for 7 applications: BLDC Motor Control for Drones and Appliances, Automotive LIN Bus Body Controllers, Sensor Signal Conditioning with On-Chip Comparators, Low-Cost Fan and Pump Speed Controllers, Stepper Motor Driver with Indexer Logic, Battery-Powered IoT Edge Sensor Node, Brushed DC Motor Control with PWM Speed Regulation.
BLDC Motor Control for Drones and Appliances
The PIC18F1330T-I/SS is purpose-built for Brushless DC motor control in drones, small appliances, fans and pumps. Its dedicated 14-bit Motor Control PWM module provides configurable duty, period, dead-time and fault inputs at up to 40 MHz / 10 MIPS throughput, eliminating the need for an external motor-control coprocessor. The three on-chip analog comparators with software-selectable on-chip reference enable closed-loop current sensing directly from shunt resistors, while the 6-channel 10-bit ADC handles back-EMF sensing and potentiometer feedback. The 8 KB flash comfortably hosts a full sensorless BLDC state machine, and the SSOP-20 footprint drops into compact PCBs alongside Microchip TC4427 gate drivers.
Recommended
Automotive LIN Bus Body Controllers
The PIC18F1330T-I/SS is widely deployed as a LIN 1.x/2.0 slave in automotive body controllers, door-lock and mirror-fold modules thanks to its hardware USART with auto-baud detection and the 14-bit PWM driving small actuator loads. The 40 MHz core, 256-byte RAM and 8 KB flash support both LIN protocol stack and proprietary actuator-control firmware in one image. Operating from 4.2V-5.5V, the part tolerates the automotive load-dump envelope when paired with a Microchip MCP16311 switching pre-regulator. The SSOP-20 footprint is compatible with Microchip's broader PIC18F LIN family, enabling one PCB layout to span multiple ECU variants.
Recommended
Sensor Signal Conditioning with On-Chip Comparators
The PIC18F1330T-I/SS integrates three analog comparators with software-selectable on-chip reference, making it a compact choice for sensor signal conditioning in industrial controllers, HVAC transmitters and limit-detection modules. Each comparator offers programmable hysteresis and direct PWM triggering, so a comparator event can wake the MCU from sleep within 200 ns and generate a hardware PWM pulse without CPU intervention. This event-driven architecture extends battery life in portable instrumentation. The 10-bit ADC handles redundant ratiometric measurements, and the SSOP-20 footprint fits inside the tight enclosures typical of process-control sensors.
Recommended
Low-Cost Fan and Pump Speed Controllers
The PIC18F1330T-I/SS is a textbook fit for low-cost fan and pump speed controllers where closed-loop RPM or flow control is required. The 14-bit Motor Control PWM drives a MOSFET H-bridge or three-phase inverter at up to 40 MHz tick, while the analog comparators form a zero-crossing detector for back-EMF commutation on sensorless BLDC pumps. The internal 8 MHz oscillator with PLL provides adequate accuracy for most RPM targets without an external crystal, reducing BOM cost. The 256-byte RAM is sufficient for a small PID loop, and the nanoWatt idle modes keep standby current under 1 uA for ENERGY STAR compliant appliances.
Recommended
Stepper Motor Driver with Indexer Logic
The PIC18F1330T-I/SS can implement a microstepping stepper indexer in software, driving external H-bridge drivers via its 14-bit PWM module and digital I/O. With 16 GPIO and 8 KB flash, the part holds both the microstepping table and the host serial command parser (USART). The 40 MHz core executes microstep transitions in less than 400 ns per phase, supporting up to 2,500 microsteps/second. The PIC18F1330T-I/SS is pin-compatible with Microchip's PIC18F1330-I/SP in the SPDIP-28 package, enabling one firmware image to scale across both SSOP and SPDIP layouts.
Recommended
Battery-Powered IoT Edge Sensor Node
The PIC18F1330T-I/SS is a strong fit for battery-powered IoT edge sensor nodes where deterministic low-latency response matters more than raw compute. Its nanoWatt technology offers multiple idle and sleep modes with current below 1 uA in deep sleep, while its three analog comparators can wake the core from sleep in 200 ns on analog thresholds without spinning the ADC. The 8 KB flash hosts a small MQTT-SN or proprietary RF stack, and the USART interfaces to Microchip's MRF24J40 802.15.4 module. The SSOP-20 footprint drops onto coin-cell powered PCBs as small as 20 mm x 20 mm.
Recommended
Brushed DC Motor Control with PWM Speed Regulation
The PIC18F1330T-I/SS is widely used for brushed-DC motor speed regulation in cordless tools, robot vacuums, toys and small appliances. The 14-bit PWM module provides fine-grained duty control at frequencies up to 40 kHz without CPU overhead, while the 6-channel ADC reads back tachometer or back-EMF signals for closed-loop regulation. The three analog comparators can detect stall conditions in hardware and immediately disable the PWM output via the fault input, protecting the motor and H-bridge. With 8 KB flash and 256-byte RAM, the part easily hosts a PI speed controller plus UART command interface for service-tool diagnostics.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F1330T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F1330-I/SS | PIC18F1330T-I/SO | PIC18F1230T-I/SS | PIC18F1330-E/SS | PIC18F1320T-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-20 (5.30 mm) | SSOP-20 (5.30 mm) - same | SOIC-20 (7.50 mm body) - wider | SSOP-20 (5.30 mm) - same | SSOP-20 (5.30 mm) - same | SSOP-20 (5.30 mm) - same |
| Flash Memory | 8 KB (4K x 16) | 8 KB - same | 8 KB - same | 4 KB (-50%) | 8 KB - same | 8 KB - same |
| RAM | 256 bytes | 256 bytes - same | 256 bytes - same | 128 bytes (-50%) | 256 bytes - same | 256 bytes - same |
| Maximum Clock | 40 MHz / 10 MIPS | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same |
| Operating Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same | 4.2 V to 5.5 V - same | 2.0 V to 5.5 V (F-version wider) |
| Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +125 C (Extended) | -40 C to +85 C - same |
| Motor Control PWM Module | 14-bit dedicated, 6 channels | 14-bit dedicated - same | 14-bit dedicated - same | 14-bit dedicated - same | 14-bit dedicated - same | 10-bit CCP (not Motor Control PWM) |
| Analog Comparators | 3 with on-chip reference | 3 - same | 3 - same | 3 - same | 3 - same | 2 (no on-chip reference) |
| Unit Price (qty 1, as of 2026-09-26) | $4.20 | $4.20 (same die, tube) | $4.20 (same die, SOIC-20) | $3.80 (smaller flash) | $5.10 (extended temp) | $3.50 (less peripherals) |
Key Differentiators
- Dedicated 14-bit Motor Control PWM module on-chip (vs PIC18F1320T-I/SS)
- Three analog comparators with on-chip reference (vs PIC18F1230T-I/SS)
- Industrial temperature range with Tape-and-Reel packaging (vs PIC18F1330-I/SS)
- Higher junction-temperature option available (vs PIC18F1330T-I/SS)
Design Notes
Place a 100 nF X7R decoupling capacitor within 5 mm of VDD (pin 7) and a 10 uF bulk tantalum or ceramic at the PCB supply entry. The PIC18F1330T-I/SS draws up to 25 mA active at 40 MHz, so the trace from the regulator to VDD must be at least 20 mil wide and tied to a ground star. Brown-out reset should be enabled in the CONFIG register to prevent code execution below 4.2V.
The SSOP-20 package has a theta_JA of approximately 80 C/W. In typical 40 MHz motor-control duty cycles where I/O pins toggle 4-6 PWM channels at 20 kHz, internal dissipation is under 100 mW and self-heating is negligible. However, if the application pushes the part near 85 C ambient while driving high-current loads from GPIO, verify with a thermal probe that junction stays below 110 C derating.
Route the PWM outputs (RC0-RC5) away from the analog inputs (RA0-RA5) and keep the oscillator traces short. If the 8 MHz internal oscillator is used instead of a crystal, leave the OSC1/OSC2 pins (9, 10) as GPIO or NC and ground OSC2. Avoid running PWM traces parallel to analog comparator inputs (RA2-RA5) to minimize coupling into current-sense signals.
Do not assume the Motor Control PWM module is initialized by MPLAB X code generation. The PTPER, PDCON, PWMCON0 and DTCON registers must be manually configured; a missing configuration leaves all PWM pins idle (high-impedance). Also, the fault input FLTA (RB0) defaults to disabled - enable the FLTACON register before relying on hardware shutdown for overcurrent protection.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified in this industrial-grade variant. For AEC-Q100 qualified PIC18F-family alternatives, design with PIC18F25K80 or dsPIC33EV256GM106.
