PIC16F18444T-I/GZ - 8-Bit 32MHz XLP MCU, 7KB Flash | Microchip
Référence : PIC16F18444T-I/GZ ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.2 | $1,20 |
| 10 | $1.08 | $10,80 |
| 100 | $0.95 | $95,00 |
| 500 | $0.82 | $410,00 |
| 1 000 | $0.69 | $690,00 |
| 3 000 | $0.6 | $1 800,00 |
PIC16F18444T-I/GZ Présentation
A PIC microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, RAM, and a configurable peripheral set. PIC16F-series MCUs target cost-sensitive, ultra-low-power embedded applications and sit within the PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers -> embedded controllers taxonomy. The 'F' suffix denotes Flash program memory, while the 'XLP' designation identifies Microchip's eXtreme Low-Power platform designed for battery-operated products requiring nanoWatt standby currents.
Key features include 2x PWM outputs, 1x 12-bit Analog-to-Digital Converter with Computation (ADCC), 1x 5-bit DAC, 2x comparators, 1x Complementary Waveform Generator (CWG), 1x EUSART, 1x SPI, 1x I2C, and configurable logic cells. The CIP architecture allows analog signal conditioning, waveform generation, and communication handshaking to occur without CPU intervention, reducing wake events and energy consumption.
The PIC16F18444 uses a Harvard RISC architecture with a 14-bit instruction word and 8-bit data path. The 12-bit ADCC performs automated averaging, oversampling, and threshold comparisons on-chip, replacing many discrete analog components. Functional Safety (FuSa) support includes hardware diagnostics and documentation packages required by IEC 61508 / ISO 26262 customers developing safety-critical systems.
Typical applications include IoT sensor nodes, battery-powered wearables, low-power wireless modules, white goods and appliance user controls, LED lighting controllers, and consumer handheld devices. Designers choose the PIC16F18444T-I/GZ when they need 32 MHz performance with multiple analog peripherals in a 20-pin footprint that has no 14-pin equivalent.
When designing, allocate decoupling within 5 mm of VDD pins and follow the Microchip MPLAB X IDE + XC8 toolchain flow. Programming/debug is supported via ICSP and the PICkit 4 / MPLAB SNAP tools. Order parts in tape-and-reel for high-volume assembly.
This page synthesizes distributor pricing, drop-in PIC16F family alternatives, and practical design notes not aggregated elsewhere, helping engineers evaluate the PIC16F18444T-I/GZ in seconds.
Alternatives de remplacement direct pour PIC16F18444T-I/GZ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16F18444T-I/GZ (même facteur de forme et même empreinte) — différant par ADC, DAC, Comparators, Package, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F18444-I/SO
✓ En stock
$0.68 / unité
Voir la fiche technique →PIC16F18444-I/P
✓ En stock
$0.92 / unité
Voir la fiche technique →PIC16F18444-E/SO
✓ En stock
$0.95 / unité
Voir la fiche technique →PIC16F18444T-I/GZ Valeurs maximales et caractéristiques électriques
| Core Processor | PIC |
| Core Size | 8-Bit |
| Maximum Clock Speed | 32 MHz |
| Program Memory Size | 7 KB (4K x 14 words) FLASH |
| RAM Size | 512 B |
| ADC | 12-bit ADCC |
| DAC | 5-bit |
| PWM Channels | 2 |
| Comparators | Yes |
| CWG (Complementary Waveform Generator) | Yes |
| Communication Interfaces | EUSART, SPI, I2C |
| Boîtier | 20-UQFN 4x4 mm (GZ) |
| Plage de température de fonctionnement | -40C to +85C (Industrial) |
| Technology Family | PIC16F XLP (eXtreme Low Power) |
| Functional Safety (FuSa) | Supported |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
Configuration des broches de PIC16F18444T-I/GZ
| Broche 1 | RA5 — PORTA digital I/O / analog input |
| Broche 2 | RA4 — PORTA digital I/O / analog input |
| Broche 3 | RA3 — PORTA digital I/O / analog input / MCLR |
| Broche 4 | RA2 — PORTA digital I/O / analog input |
| Broche 5 | RA1 — PORTA digital I/O / analog input / DAC output |
| Broche 6 | RA0 — PORTA digital I/O / analog input |
| Broche 7 | VSS — Ground reference |
| Broche 8 | RB7 — PORTB digital I/O / ICSPDAT |
| Broche 9 | RB6 — PORTB digital I/O / ICSPCLK |
| Broche 10 | RB5 — PORTB digital I/O |
| Broche 11 | RB4 — PORTB digital I/O |
| Broche 12 | RC2 — PORTC digital I/O |
| Broche 13 | RC3 — PORTC digital I/O |
| Broche 14 | RC4 — PORTC digital I/O |
| Broche 15 | RC5 — PORTC digital I/O |
| Broche 16 | RC6 — PORTC digital I/O / TX |
| Broche 17 | RC7 — PORTC digital I/O / RX |
| Broche 18 | VDD — Positive supply voltage |
| Broche 19 | VSS — Ground reference (package pad) |
| Broche 20 | RA7 — PORTA digital I/O / analog input / oscillator |
Applications typiques
PIC16F18444T-I/GZ convient pour 6 applications: IoT Sensor Nodes, Battery-Powered Wearables, White Goods and Appliance Controls, LED Lighting Controllers, Low-Power Wireless Modules, Consumer Handheld Devices.
IoT Sensor Nodes
The PIC16F18444T-I/GZ suits battery-powered IoT sensor nodes because its XLP nanoWatt technology delivers sub-100 nA sleep currents while still providing 32 MHz wake performance. Its 12-bit ADCC with on-chip computation handles thermistor, voltage, and current sensing without external signal conditioning; integrated SPI/I2C/EUSART simplifies LoRa, BLE, or Sub-GHz radio connectivity. The 7 KB Flash stores typical Contiki/RIOT/Thread/Zigbee stacks or custom firmware for periodic wake-and-transmit cycles.
Recommandé
Battery-Powered Wearables
The PIC16F18444T-I/GZ is well-matched to wearable health bands where a coin-cell battery must last 1+ years while periodically sampling heart rate, motion, and skin temperature. Its 12-bit ADCC, 2x comparator, and CWG allow direct sensor readout and pulse generation for optical PPG front-ends without an external analog IC. The 4x4 mm UQFN footprint fits inside a wristband PCB, and the 32 MHz core executes Bluetooth Low Energy (BLE) link-layer logic with room for firmware updates.
Recommandé
White Goods and Appliance Controls
The PIC16F18444T-I/GZ drives user interface and sensor-processing tasks in washing machines, dishwashers, and induction cooktops where Functional Safety (FuSa) documentation simplifies IEC 60730 compliance. The 12-bit ADCC monitors temperature sensors, the CWG drives triac dimming or motor phase control, and the 2x PWM outputs handle variable-speed fans or pumps. The 20-pin UQFN footprint and -40C to +85C industrial rating suit appliance environments with high humidity and thermal cycling.
Recommandé
LED Lighting Controllers
The PIC16F18444T-I/GZ is ideal for smart LED drivers and tunable-white luminaires because the CWG and 2x PWM outputs generate flicker-free dimming signals with phase-shift control. The 12-bit ADCC samples ambient light sensors and thermal feedback, while the 5-bit DAC provides analog reference levels for constant-current LED drivers. With 7 KB Flash and 512 B RAM, designers can implement DALI, DMX512, or proprietary protocols on-chip, eliminating an external communication MCU.
Recommandé
Low-Power Wireless Modules
The PIC16F18444T-I/GZ can serve as a co-processor or MCU base in low-power wireless modules (BLE beacons, LoRa end nodes, Zigbee routers) thanks to its EUSART, SPI, and I2C peripherals and XLP standby mode. The 12-bit ADCC performs RSSI and battery-voltage monitoring without extra analog, and the CWG generates accurate wake-up clock pulses for sub-GHz radios. With 32 MHz of processing headroom and 7 KB Flash, it can host a Bluetooth Low Energy stack or LoRaWAN application layer.
Recommandé
Consumer Handheld Devices
The PIC16F18444T-I/GZ fits consumer handheld devices such as remote controls, electronic toys, and personal-care tools where the 20-UQFN footprint, low price point, and 32 MHz speed drive value. The CWG produces audio or motor tones, the comparators handle capacitive-touch sensing, and the 12-bit ADCC drives battery-fuel-gauge functions. Its 7 KB Flash accommodates product-specific firmware updates, and the EUSART enables factory calibration via a serial port.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16F18444T-I/GZ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F18444-I/SO | PIC16F18444-I/P | PIC16F18444-E/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-UQFN 4x4 mm (GZ) | 20-SOIC 7.5 mm (SO) | 20-PDIP (P) | 20-SOIC 7.5 mm (SO) |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB |
| RAM | 512 B | 512 B | 512 B | 512 B |
| Maximum Clock Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Core Architecture | 8-bit PIC (XLP) | 8-bit PIC (XLP) | 8-bit PIC (XLP) | 8-bit PIC (XLP) |
| ADC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
Principaux différenciateurs
- Larger Flash than PIC16F18424 in same 20-UQFN footprint (vs PIC16F18424T-I/GZ)
- Functional Safety (FuSa) documentation included (vs PIC16F18346T-I/GZ)
- Compact 4x4 mm UQFN package option (vs PIC16F18444-I/SO)
Notes de conception
The PIC16F18444T-I/GZ XLP platform achieves sub-100 nA typical sleep currents, but only when unused peripherals are disabled via PMD registers. Enable Sleep mode via SLPEN, set IDLEN=0, and confirm the ADC, comparators, and FVR modules are powered down before sleep. Estimated: a poorly configured application can draw 10-50 uA in idle even when the CPU is halted. Always measure actual Iq with a Source Measurement Unit (SMU) at the VDD pin, not at the bench supply.
The 20-UQFN (GZ) package has a theta_JA of approximately 39 C/W on a 1-oz 4-layer JEDEC test board, allowing up to 3.2 W dissipation at 85C ambient. However, in real PCBs with thermal vias the practical ceiling is lower. Place thermal vias under the exposed pad (EP) and stitch at least 4 vias into the inner ground plane. Estimated: a poorly cooled UQFN can exceed 100C in confined enclosures without these vias.
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 18) and a bulk 10 uF ceramic on the same rail. Keep the MCLR pin (RA3) decoupling separate to avoid programming glitches. For high-frequency SPI or EUSART lines, place 33 ohm series resistors at the driver outputs to dampen ringing. Keep analog input traces short and shield them with a ground pour to preserve the 12-bit ADCC accuracy.
Do not assume the 'F' in PIC16F18444T-I/GZ guarantees 256 bytes of EEPROM - the EEPROM size must be checked in the datasheet because it varies by family member. Do not connect 5V signals to RA4 directly; this pin is open-drain and requires a pull-up. For ICSP programming, both ICSPCLK (RB6) and ICSPDAT (RB7) must be accessible even in the final layout; do not assign them to high-impedance peripherals without buffering.
Informations de conformité
RoHS and lead-free compliance confirmed by Microchip product page. AEC-Q100 automotive grade available in PIC16F18444T-E/GZVAO variant - select VAO suffix for AEC-Q100 designs.
