PIC16F18876T-I/MV - 8-Bit 32MHz 28KB Flash XLP MCU | Microchip
MPN: PIC16F18876T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.18 | $3.18 |
| 10 | $2.85 | $28.50 |
| 100 | $2.55 | $255.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $2.1 | $2,100.00 |
| 3,300 | $1.92 | $6,336.00 |
PIC16F18876T-I/MV Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. The PIC16F18876 belongs to the PIC® XLP™ 16F family, combining analog and Core Independent Peripherals (CIP) with eXtreme Low Power technology for general-purpose and low-power applications. Within the embedded systems hierarchy, this part sits between simple 8-bit MCUs and higher-end 32-bit microcontrollers, optimized for cost-sensitive designs that still require rich peripheral integration.
Key features include 28 KB self-programmable Flash, 2 KB SRAM, 256 bytes EEPROM, integrated 10-bit ADC with Computation (ADCC), 5-/8-bit DAC, multiple PWM modules, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and on-chip temperature sensor. Communication peripherals include I2C, SPI, and EUSART. The CIP architecture allows peripherals to operate independently of the CPU, reducing code complexity and power consumption.
Typical applications include IoT sensor nodes, battery-powered portable instrumentation, home automation controllers, motor control loops, and human-machine interface (HMI) panels. The XLP feature set delivers sleep currents below 1 uA, making it well suited for energy-harvesting and always-on designs. The wide 1.8V to 5.5V operating range also supports both 3.3V and 5V system rails common in industrial automation.
Design considerations include careful decoupling (100 nF plus 10 uF bulk) close to the VDD pins and a solid ground plane. For programming/debugging, the ICSP interface uses pins dedicated to PGC/PGD, and Microchip's MPLAB X IDE with XC8 compiler provides full support. The exposed thermal pad must be soldered to the PCB for mechanical reliability and thermal dissipation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on any single manufacturer or distributor product page. The information is organized for both human engineers and AI search engines to extract directly.
Drop-in alternatives for PIC16F18876T-I/MV — 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 PIC16F18876T-I/MV (same form factor and footprint) — differing in ADC, DAC, Package, Comparators, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18876-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18876-E/MV
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F18875T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18856T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18855T-I/ML
✅ Drop-In✓ In Stock
$1.26 / Unit
View Datasheet →PIC16F18876T-I/MV Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit Enhanced Mid-Range |
| Program Memory (Flash) | 28 KB (16K x 14) |
| SRAM | 2 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V (industrial -I) |
| Package | 40-UQFN (5x5 mm) with Exposed Pad |
| Pin Count | 40 |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C (industrial) |
| ADC | 10-bit ADCC, up to 35 channels |
| DAC | 5-bit and 8-bit |
| PWM Modules | Multiple 10-bit PWM with Complementary outputs |
| Communication Peripherals | I2C, SPI, EUSART (with LIN support) |
| Core Independent Peripherals | CLC, CWG, NCO, Hardware Limit Timer (HLT) |
| eXtreme Low Power (XLP) | Yes, IDD < 1 uA in sleep |
| RoHS Status | Compliant |
| MSL Level | MSL3 |
PIC16F18876T-I/MV Pin Configuration
| Pin 1 | RA0 — Analog/Digital I/O; ICDDAT/PGD |
| Pin 2 | RA1 — Analog/Digital I/O; ICDCLK/PGC |
| Pin 3 | RA2 — Analog/Digital I/O |
| Pin 4 | RA3 — Digital I/O; MCLR/VPP |
| Pin 5 | RA4 — Analog/Digital I/O |
| Pin 6 | RA5 — Analog/Digital I/O |
| Pin 7 | RA6 — Analog/Digital I/O |
| Pin 8 | RA7 — Analog/Digital I/O |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RA8 — Analog/Digital I/O |
| Pin 11 | RA9 — Analog/Digital I/O |
| Pin 12 | RA10 — Analog/Digital I/O |
| Pin 13 | RA11 — Analog/Digital I/O |
| Pin 14 | RA12 — Analog/Digital I/O |
| Pin 15 | RA13 — Analog/Digital I/O |
| Pin 16 | RA14 — Analog/Digital I/O |
| Pin 17 | RA15 — Analog/Digital I/O |
| Pin 18 | VDD — Positive supply |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RB0 — Digital I/O |
| Pin 21 | RB1 — Digital I/O |
| Pin 22 | RB2 — Digital I/O |
| Pin 23 | RB3 — Digital I/O |
| Pin 24 | RB4 — Digital I/O |
| Pin 25 | RB5 — Digital I/O |
| Pin 26 | RB6 — Digital I/O; ICSPCLK/PGC |
| Pin 27 | RB7 — Digital I/O; ICSPDAT/PGD |
| Pin 28 | RB8 — Digital I/O |
| Pin 29 | RB9 — Digital I/O |
| Pin 30 | RB10 — Digital I/O |
| Pin 31 | RB11 — Digital I/O |
| Pin 32 | RB12 — Digital I/O |
| Pin 33 | RB13 — Digital I/O |
| Pin 34 | RB14 — Digital I/O |
| Pin 35 | RB15 — Digital I/O |
| Pin 36 | RC0 — Digital I/O |
| Pin 37 | RC1 — Digital I/O |
| Pin 38 | RC2 — Digital I/O |
| Pin 39 | RC3 — Digital I/O |
| Pin 40 | RC4 — Digital I/O |
| Pin 41 | EP — Exposed thermal pad - connect to VSS |
Typical Applications
PIC16F18876T-I/MV is suitable for 7 applications: IoT Battery-Powered Sensor Node, Home Automation Controller, Battery Charger and Power Management, Motor Control and Small BLDC Drivers, Human-Machine Interface (HMI) Panels, Automotive Body Electronics (Non-Safety), Industrial Sensor Transmitters.
IoT Battery-Powered Sensor Node
The PIC16F18876T-I/MV is ideally suited for low-duty-cycle IoT sensor nodes where battery life of 5-10 years is required. Its eXtreme Low Power (XLP) sleep mode draws less than 1 uA at 3V, while the integrated 10-bit ADCC can wake the CPU from sleep on threshold crossings without external comparators. With 28 KB Flash the part accommodates Zigbee/BLE host stacks or LoRaWAN device drivers alongside application logic. The 2 KB SRAM is sufficient for sensor data buffering before transmission. Designers pair this MCU with an RF transceiver such as the Microchip SAM R34 or a sub-GHz SX1276 module, with the PIC handling sensor acquisition, edge processing, and sleep/wake duty cycling.
Recommended
Home Automation Controller
In home automation gateways and wall-mounted controllers, the PIC16F18876T-I/MV drives user interfaces, schedules HVAC/lighting commands, and runs communication protocol stacks. The integrated CIP peripherals (CLC, CWG, NCO) allow the MCU to generate PWM signals for LED dimming and waveform control without CPU overhead, freeing cycles for Zigbee/Thread/Matter protocol handling. The EUSART with LIN support enables appliance integration, while the I2C/SPI peripherals connect to sensors and EEPROM. With 256 B EEPROM the controller stores user preferences and last-known states across power cycles. The 32 MHz core is fast enough to handle multi-tasking under a cooperative or RTOS-like scheduler (FreeRTOS does not support PIC16; TinyOS variants exist for enhanced mid-range).
Recommended
Battery Charger and Power Management
The PIC16F18876T-I/MV serves as the supervisory controller in lithium-ion battery chargers, solar MPPT systems, and portable power banks. Its 10-bit ADCC with computation modes measures battery voltage, current, and temperature simultaneously across multiple channels for accurate state-of-charge estimation. The CWG and NCO peripherals synthesize high-resolution PWM or DAC-like waveforms for switching converter control, while the HLT (Hardware Limit Timer) provides cycle-by-cycle current limiting without software latency. With 256 B EEPROM the part retains charge profiles, calibration data, and battery history across power cycles. Its 2.3V-5.5V operating range directly accepts single-cell Li-ion (3.0-4.2V) or multi-cell NiMH packs.
Recommended
Motor Control and Small BLDC Drivers
For low-power BLDC, brushed DC, and stepper motor control up to 50W, the PIC16F18876T-I/MV provides integrated Complementary Waveform Generator (CWG) with dead-band control and 10-bit PWM modules for direct MOSFET gate driving. The Core Independent Peripherals handle commutation timing in hardware, allowing software to focus on PID loops and fault handling rather than bit-banging. The 32 MHz core executes PID loops in less than 50 us per iteration, sufficient for control rates up to 20 kHz. With 28 KB Flash the part accommodates FOC (field-oriented control) libraries and sensorless back-EMF algorithms. The hardware limit timer (HLT) enforces cycle-by-cycle current protection for safe operation.
Recommended
Human-Machine Interface (HMI) Panels
The PIC16F18876T-I/MV drives simple HMI panels with segmented LCDs, capacitive touch buttons, and tri-color LED indicators. The integrated 5-bit and 8-bit DAC modules generate reference voltages for contrast control, while the CLC peripherals debounce mechanical buttons in hardware, freeing the CPU to scan capacitive touch sensors via the ADCC. The NCO peripheral synthesizes audio tones for alarms or key-press feedback without occupying a PWM channel. With 2 KB SRAM the part supports reasonable menu structures and character buffers, and the 32 MHz core ensures snappy user response. The industrial -40C to +85C operating range suits both indoor consumer appliances and outdoor industrial equipment.
Recommended
Automotive Body Electronics (Non-Safety)
For non-safety automotive body electronics such as seat heaters, interior lighting, and accessory controllers, the PIC16F18876T-I/MV provides sufficient compute and the EUSART LIN slave support needed for body-domain communication. The part's industrial -40C to +85C temperature grade limits it to interior cabin applications; under-hood usage requires AEC-Q100 qualified parts (Microchip offers these in the PIC16F1887x automotive family). The CWG peripheral generates complementary PWM for direct MOSFET driving of LED strings and small DC loads. With 28 KB Flash, the MCU implements LIN 2.x slave stacks, fault diagnostics, and PWM dimming routines simultaneously.
Recommended
Industrial Sensor Transmitters
The PIC16F18876T-I/MV is well suited to industrial 4-20 mA loop-powered and HART-compatible sensor transmitters measuring pressure, temperature, flow, or level. The 10-bit ADCC with oversampling achieves effective resolution above 14 bits, sufficient for industrial instrumentation accuracy. The 2.3V-5.5V operating range accepts the typical 24V loop drop after regulation. The 32 MHz core and 28 KB Flash run linearization algorithms, calibration routines, and digital communication protocols (HART, IO-Link via SPI bridge). With 256 B EEPROM, calibration coefficients are stored across decades of field operation. The 40-UQFN package suits compact field-mount transmitter housings.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18876T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18876-I/MV | PIC16F18876-E/MV | PIC16F18875T-I/ML | PIC16F18856T-I/ML | PIC16F18855T-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same |
| Flash Memory | 28 KB | 28 KB | 28 KB | 32 KB | 16 KB | 14 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Highest memory in same-package industrial-grade UQFN family (vs PIC16F18856T-I/ML)
- Industrial temperature grade at lowest UQFN price point (vs PIC16F18876-E/MV)
- Richest Core Independent Peripheral set in PIC16F1xxx family (vs PIC16F18855T-I/ML)
Design Notes
For PIC16F18876T-I/MV, decoupling must include one 100 nF ceramic capacitor as close as possible to each VDD/AVDD pin pair, plus a 10 uF bulk capacitor at the regulator output. The wide 2.3V-5.5V supply range tolerates both 3.3V and 5V rails. During XLP sleep, all GPIOs should be set to defined logic levels to minimize current leakage; leaving inputs floating can increase sleep current by 1-2 uA per pin.
The 40-UQFN (MV) package has an exposed thermal pad that must be soldered to a PCB ground plane for mechanical reliability and thermal dissipation. Use an array of thermal vias (0.3 mm drill, 0.6 mm pitch, 9-12 vias) under the EP to conduct heat into the ground plane. Maintain at least 0.2 mm clearance between the EP solder mask and any signal traces routed beneath the package.
When configuring the ICSP interface, ensure PGC (RB6) and PGD (RB7) are not repurposed as outputs during programming or in-circuit debugging, or programming will fail. The MCLR pin (RA3) requires a 10 kohm pull-up to VDD; do not leave it floating. For low-power designs, disable unused peripherals via PMD (Peripheral Module Disable) registers and unused I/O pins via the WPU register to minimize quiescent current.
Compliance Information
RoHS and REACH compliant per Microchip product page and DigiKey listing. Industrial -I temperature grade (-40C to +85C) is NOT AEC-Q100 qualified; for under-hood automotive use, select Microchip's AEC-Q100 PIC16F1887x variants.
