PIC16F18424-I/JQ - 8-bit 32MHz XLP MCU 7KB Flash | Microchip
MPN: PIC16F18424-I/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.84 | $1.84 |
| 10 | $1.66 | $16.60 |
| 100 | $1.49 | $149.00 |
| 500 | $1.34 | $670.00 |
| 1,000 | $1.2 | $1,200.00 |
PIC16F18424-I/JQ Overview
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and programmable peripherals on a single silicon die. The PIC16 family uses a modified Harvard RISC architecture optimized for deterministic instruction execution at low power, and it sits at the entry point of Microchip's 8-bit portfolio above the baseline PIC10/12/16F baseline parts. The "F" in PIC16F184xx denotes flash program memory, allowing field re-programmability, while the "184xx" series extends earlier PIC16F1xxx devices with higher analog performance, more CIPs, and richer communication peripherals.
Key features of the PIC16F18424-I/JQ include 12 I/O pins, an internal 32 MHz oscillator with PLL, the previously listed peripheral set, and integrated support for functional safety. The 12-bit ADCC (Analog-to-Digital Converter with Computation) can automate averaging, oversampling, and threshold comparisons, offloading work from the core. CWG (Complementary Waveform Generator) simplifies synchronous motor drive and Class-D audio stages, and the peripheral pin-select (PPS) scheme lets designers remap digital functions to most I/O pins. Combined with the XLP nanoWatt XLP sleep modes, the device targets low duty-cycle, battery-powered IoT nodes.
The PIC16F18424-I/JQ uses Microchip's standard 14-bit instruction word PIC16 core, with 49 instructions and 16-level hardware stack. Functional-safety-ready firmware libraries, FMEDA, and diagnostic documentation are available from Microchip for IEC 61508 SIL 2/3 systems, which is why this part appears in safety-focused designs. The device operates from 1.8 V to 5.5 V (PIC16F part) and supports in-circuit serial programming (ICSP) via the ICSPCLK/ICSPDAT pins.
Typical applications include sensor signal conditioning using the 12-bit ADCC, battery-powered IoT sensor nodes exploiting XLP sleep modes, low-cost motor control (BLDC, stepper) with the CWG, lighting-control slaves using EUSART/SPI/I2C, and consumer/HMI buttons or LED drivers. The exposed pad on the UQFN aids thermal dissipation in closed-enclosure industrial modules.
When designing with this device, ensure the ICSPCLK/ICSPDAT pins are accessible for programming and debug, and place the recommended 0.1 uF bypass capacitor near VDD with a 10 uF bulk capacitor on the supply rail. For brown-out engineers, also verify the VBOR setting matches your minimum supply voltage.
This page synthesizes distributor pricing, drop-in 16-pin UQFN alternatives, and practical design notes not aggregated in the manufacturer datasheet, giving engineers a faster path to part selection and PCB layout reuse.
Drop-in alternatives for PIC16F18424-I/JQ — 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 PIC16F18424-I/JQ (same form factor and footprint) — differing in Package, ADC, Program Memory (Flash), Core, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1824-I/JQ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1825-I/JQ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1825T-I/JQ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.58 / Unit
View Datasheet →PIC16F1824T-I/JQ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.81 / Unit
View Datasheet →PIC16F1825-E/JQ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.42 / Unit
View Datasheet →PIC16F18424-I/JQ Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC16 (XLP) Functional Safety (FuSa) |
| Core | PIC16 8-bit RISC |
| Program Memory | 7 KB (4K x 14 words) Flash |
| Data RAM | 512 bytes |
| Data EEPROM | 128 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 12-bit ADCC (Analog-to-Digital Converter with Computation) |
| PWM Channels | 2 |
| Comparators | 2 |
| DAC | 5-bit DAC |
| Communication | EUSART, SPI, I2C |
| Timers | 11 |
| CWG | Yes (Complementary Waveform Generator) |
| Watchdog Timer | Yes |
| Package | 16-UQFN (4x4 mm) with exposed pad |
| Temperature Grade | Industrial (-40 C to +85 C) |
| Mounting Type | Surface Mount |
| RoHS | Compliant |
| MSL Level | MSL1 (per supplier listings) |
PIC16F18424-I/JQ Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 2 | RA4 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 3 | RA3 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 4 | RA2 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 5 | RA1 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 6 | RA0 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 7 | VDD — Positive supply voltage |
| Pin 8 | VSS — Ground reference |
| Pin 9 | ICSPCLK — In-circuit serial programming clock (also digital I/O) |
| Pin 10 | ICSPDAT — In-circuit serial programming data (also digital I/O) |
| Pin 11 | RB7 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 12 | RB6 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 13 | RB5 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 14 | RB4 — Bidirectional I/O, analog input, or digital peripheral via PPS |
| Pin 15 | MCLR — Master clear / reset input, active low |
| Pin 16 | RA6 — Bidirectional I/O, oscillator output, or digital peripheral via PPS |
| Pin EP | EP — Exposed thermal pad, solder to VSS for thermal dissipation |
Typical Applications
PIC16F18424-I/JQ is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Industrial Sensor Signal Conditioning, Low-Cost BLDC / Stepper Motor Control, Lighting Control and Human-Machine Interface, Functional-Safety Sensor Front Ends, Consumer and Wearable HMI Devices.
Battery-Powered IoT Sensor Nodes
The PIC16F18424-I/JQ's XLP nanoWatt sleep modes drop standby current into the sub-uA range, while the 12-bit ADCC automates sensor averaging without waking the core. The 32 MHz CPU handles occasional MQTT / BLE proxy bursts, and PPS lets the designer remap SPI, I2C, and EUSART to free pins for compact sensor modules. With 7 KB flash, this part fits an RTOS-free state-machine firmware with room to spare, ideal for sub-$5 coin-cell nodes reporting temperature, humidity, or motion over multi-year duty cycles.
Recommended
Industrial Sensor Signal Conditioning
The 12-bit ADCC (Analog-to-Digital Converter with Computation) on the PIC16F18424-I/JQ automates oversampling and threshold comparisons, offloading noise filtering from the CPU. Two comparators and a 5-bit DAC support analog front-end linearization for thermocouples, strain gauges, or 4-20 mA loops, and the EUSART interfaces with industrial RS-485 transceivers. Industrial -40C to +85C temperature grade and Microchip functional-safety documentation suit plant-floor and process-control designs.
Recommended
Low-Cost BLDC / Stepper Motor Control
The Complementary Waveform Generator (CWG) on the PIC16F18424-I/JQ produces dead-band-controlled complementary PWM outputs for half-bridge motor drives, eliminating software toggle jitter at 32 MHz. Two PWM channels drive brushed or unipolar stepper motors with up/down counters, while the 12-bit ADCC reads back BEMF or current shunt voltage. The exposed pad on the 16-UQFN aids thermal dissipation at 100% duty cycle in enclosed fan or pump modules.
Recommended
Lighting Control and Human-Machine Interface
The PIC16F18424-I/JQ's 12 I/O pins plus PPS remapping drive LED matrices, capacitive touch buttons via the IOC interrupt, and DMX / DALI lighting-protocol slaves over EUSART or SPI. XLP sleep modes extend battery life on wireless remotes and BLE beacons, and the 5-bit DAC provides analog dimming curves for tunable-white fixtures. Compact 16-UQFN 4x4 mm footprint fits wall-switch and track-light form factors.
Recommended
Functional-Safety Sensor Front Ends
The PIC16F18424-I/JQ is part of Microchip's functional-safety (FuSa) ready PIC portfolio, supporting IEC 61508 SIL 2/3 designs with FMEDA, diagnostic libraries, and errata documentation. The 12-bit ADCC with hardware averaging, dual comparators with software-then-hardware window comparison, and WDT with dedicated oscillator support redundancy-required safety paths. Industrial temperature grade and functional-safety-ready certification make this part a common choice for safety sensors and gas detectors.
Recommended
Consumer and Wearable HMI Devices
The PIC16F18424-I/JQ drives capacitive-touch buttons and small OLED displays through SPI / I2C while keeping standby current below 1 uA with XLP sleep, critical for coin-cell wearables and remote controls. The 32 MHz CPU renders simple animations, and PPS lets the designer assign multiple peripheral functions to the limited 12 I/O pins without re-routing the PCB. The 16-UQFN 4x4 mm footprint fits inside fitness-band and Bluetooth beacon enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18424-I/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1824-I/JQ | PIC16F1825-I/JQ | PIC16F1825T-I/JQ | PIC16F1824T-I/JQ | PIC16F1825-E/JQ |
|---|---|---|---|---|---|---|
| Package | 16-UQFN (4x4 mm) | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB (4K x 14) | 7 KB (same) | 14 KB (+100%) | 14 KB (+100%) | 7 KB (same) | 14 KB (+100%) |
| ADC | 12-bit ADCC | 10-bit ADC | 10-bit ADC | 10-bit ADC | 10-bit ADC | 10-bit ADC |
| CWG | Yes | No | No | No | No | No |
| Functional Safety | Yes (FuSa-ready) | No | No | No | No | No |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) |
| RAM | 512 bytes | 256 bytes (-50%) | 512 bytes (same) | 512 bytes (same) | 256 bytes (-50%) | 512 bytes (same) |
Key Differentiators
- 12-bit ADCC with computation (vs PIC16F1824-I/JQ)
- Complementary Waveform Generator (CWG) (vs PIC16F1825-I/JQ)
- Functional-safety ready (vs PIC16F1825-E/JQ)
Design Notes
Place a 0.1 uF decoupling capacitor as close as possible to VDD pin 7, and add a 10 uF bulk capacitor on the supply rail. The 16-UQFN exposed pad (EP) must be soldered to VSS to provide a low-impedance thermal return path; without this, junction temperature rises and XLP sleep current specifications may not be met. For battery applications, route VDD through a high-side load switch if the design needs zero-IQ cut-off. Estimated: input current at 32 MHz active is ~5 mA; sleep at room temp is typically ~30 nA with full RAM retention.
Keep the ICSPCLK / ICSPDAT traces short and isolated from the high-current switching nodes (CWG outputs, PWM-driven LEDs). The 16-UQFN 4x4 mm has a small pitch - use 0.5 mm via-in-pad or micro-via design rules, and ensure no traces run under the exposed pad unless they are GND. Per Microchip datasheet DS40001982, the ADCC analog inputs must be guarded with a ground trace on both sides to maintain 12-bit accuracy.
Do not confuse the older PIC16F1824-I/JQ (10-bit ADC) with the PIC16F18424-I/JQ (12-bit ADCC) - the part numbers look similar but differ in ADC resolution and CIP support. Always verify the Functional Safety column in your BOM for safety-class designs: only the PIC16F184xx (not PIC16F182x) is FuSa-ready. The 32 MHz internal oscillator requires PLL configuration in the configuration words; forgetting to enable PLL leaves the device running at 8 MHz and breaks timing-sensitive code.
Compliance Information
RoHS compliant per Microchip product page and DigiKey listing. Not AEC-Q100 qualified - this is a functional-safety (IEC 61508) ready MCU, not an automotive-qualified part. For automotive applications, choose the PIC16F18424-I/JQ variant with automotive-grade markings (separate order code).
