PIC16F15276-I/PT - 28KB Flash 8-bit MCU, 32MHz, 44-TQFP | Microchip
MPN: PIC16F15276-I/PT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.1 | $2.10 |
| 10 | $1.89 | $18.90 |
| 100 | $1.62 | $162.00 |
| 500 | $1.38 | $690.00 |
| 1,000 | $1.2 | $1,200.00 |
PIC16F15276-I/PT Overview
An 8-bit PIC microcontroller is a single-chip CMOS device that combines an 8-bit CPU core, Flash program memory, SRAM, and on-chip peripherals in one package. The PIC16F152xx family occupies a specific tier in the Microchip hierarchy: 8-bit microcontroller -> PIC16 mid-range family -> PIC16F152xx sub-family -> eXtreme Low-Power (XLP) lineup. Its role in a system is to provide deterministic real-time control and sensor I/O with low active and sleep currents, sitting below 16-bit dsPIC and 32-bit SAM devices in computational capability but above simple timer/logic ICs in integration.
Key features include 32 MHz maximum operation, 1.8V minimum supply for full-speed analog operation at 16 MHz, hardware 10-bit ADC, two PWM modules, two CCP modules, EUSART, SPI, I2C, Peripheral Pin Select (PPS), Hardware Limit Timer (HLT), Watchdog Timer, and XLP eXtreme Low-Power modes. The 36 programmable I/O lines and 44-pin TQFP footprint make this device well suited to mid-density IoT nodes, sensor hubs, and small industrial control boards.
The architecture uses Microchip's enhanced mid-range core with a 16-level hardware stack and a 31-level software-managed stack extension. The integrated 10-bit ADC with internal reference, op amps, and comparators deliver Intelligent Analog, while CIPs such as the CWG (Complementary Waveform Generator) and HLT offload timing-critical functions from the CPU for deterministic, low-jitter response.
Typical applications include low-power IoT sensor nodes, battery-powered remote controls, industrial sensor signal conditioning, home appliances, lighting control, and small motor/PWM control. The XLP nanoWatt sleep modes and 1.8V minimum supply make it especially attractive for energy-harvesting designs that must wake, sample, transmit, and return to deep sleep.
When designing with this part, place decoupling capacitors within 3 mm of each VDD pin and keep analog traces short and guarded for ADC accuracy. PPS allows pin reassignment after PCB layout is complete, reducing iteration cost during hardware bring-up.
This page synthesizes distributor pricing, drop-in alternatives drawn from the PIC16F152xx/153xx family, and practical design notes not collected in a single section of the manufacturer datasheet.
Drop-in alternatives for PIC16F15276-I/PT β 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 PIC16F15276-I/PT (same form factor and footprint) β differing in ADC, Communication, I/O Pins, Operating Temperature, Package.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F15274-I/PT
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15376-I/PT
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15375-I/PT
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15276-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 28 KB (28K x 8) |
| Data RAM | 2 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Clock | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit |
| PWM Modules | 2 |
| CCP Modules | 2 |
| Communication | EUSART, SPI, I2C |
| Timers | 4 (16-bit) |
| Hardware Limit Timer (HLT) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Watchdog Timer | Yes |
| XLP nanoWatt Sleep Mode | Yes |
| Package | TQFP-44 (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial -I) |
| RoHS Status | Compliant |
PIC16F15276-I/PT Pin Configuration
| Pin 1 | MCLR/RE3 β Master Clear (reset) input / PORTE bit 3 |
| Pin 2 | RA0 β PORTA bit 0 / analog AN0 / PPS |
| Pin 3 | RA1 β PORTA bit 1 / analog AN1 / PPS |
| Pin 4 | RA2 β PORTA bit 2 / analog AN2 / PPS |
| Pin 5 | RA3 β PORTA bit 3 / analog AN3 / PPS |
| Pin 6 | RA4 β PORTA bit 4 / analog AN4 / PPS |
| Pin 7 | RA5 β PORTA bit 5 / analog AN5 / PPS |
| Pin 8 | RA6 β PORTA bit 6 / analog AN6 / PPS |
| Pin 9 | RA7 β PORTA bit 7 / analog AN7 / PPS |
| Pin 10 | RB0 β PORTB bit 0 / PPS / INT |
| Pin 11 | VDD β Power supply (1.8V to 5.5V) |
| Pin 12 | VSS β Ground reference |
| Pin 13 | OSC1/CLKIN/RA5 β Crystal oscillator input / external clock |
| Pin 14 | OSC2/CLKOUT/RA6 β Crystal oscillator output / Fosc output |
| Pin 15 | RC0 β PORTC bit 0 / PPS |
| Pin 16 | RC1 β PORTC bit 1 / PPS |
| Pin 17 | RC2 β PORTC bit 2 / PPS |
| Pin 18 | RC3 β PORTC bit 3 / PPS / SCL (MSSP) |
| Pin 19 | RC4 β PORTC bit 4 / PPS / SDA (MSSP) |
| Pin 20 | RC5 β PORTC bit 5 / PPS |
| Pin 21 | RC6 β PORTC bit 6 / PPS / TX (EUSART) |
| Pin 22 | RC7 β PORTC bit 7 / PPS / RX (EUSART) |
| Pin 23 | RD0 β PORTD bit 0 / PPS |
| Pin 24 | RD1 β PORTD bit 1 / PPS |
| Pin 25 | RD2 β PORTD bit 2 / PPS |
| Pin 26 | RD3 β PORTD bit 3 / PPS |
| Pin 27 | RD4 β PORTD bit 4 / PPS |
| Pin 28 | RD5 β PORTD bit 5 / PPS |
| Pin 29 | RD6 β PORTD bit 6 / PPS |
| Pin 30 | RD7 β PORTD bit 7 / PPS |
| Pin 31 | VSS β Ground reference |
| Pin 32 | VDD β Power supply (1.8V to 5.5V) |
| Pin 33 | RE0 β PORTE bit 0 / analog AN8 / PPS |
| Pin 34 | RE1 β PORTE bit 1 / analog AN9 / PPS |
| Pin 35 | RE2 β PORTE bit 2 / analog AN10 / PPS |
| Pin 36 | RF0 β PORTF bit 0 / analog AN16 / PPS |
| Pin 37 | RF1 β PORTF bit 1 / analog AN17 / PPS |
| Pin 38 | RF2 β PORTF bit 2 / analog AN18 / PPS |
| Pin 39 | RF3 β PORTF bit 3 / analog AN19 / PPS |
| Pin 40 | RF4 β PORTF bit 4 / PPS |
| Pin 41 | RF5 β PORTF bit 5 / PPS |
| Pin 42 | RF6 β PORTF bit 6 / PPS |
| Pin 43 | RF7 β PORTF bit 7 / PPS |
| Pin 44 | RG0 β PORTG bit 0 / PPS |
Typical Applications
PIC16F15276-I/PT is suitable for 6 applications: Battery-Powered IoT Sensor Node, Industrial Sensor Signal Conditioning, Home Appliance and Lighting Control, Small Motor and PWM Control, Remote Control and Consumer HMI, Automotive Body and Comfort Modules.
Battery-Powered IoT Sensor Node
The PIC16F15276-I/PT is purpose-built for battery-powered IoT sensor nodes thanks to its XLP nanoWatt sleep modes (typical sleep current below 50 nA per the family datasheet), 1.8V minimum supply, and 32 MHz CPU clock for fast wake-and-transmit cycles. Place the MCU as the master of an SPI-connected sensor and an EUSART-attached wireless module; PPS lets you remap the SPI and UART pins after layout. The 10-bit ADC samples sensor outputs directly, while the 36 I/O lines handle multiple low-speed sensors and discrete I/O. Compared with a discrete timer-plus-MCU solution, this single-chip approach cuts standby current and BOM count by roughly 30-50 percent for typical 1-2 sensor nodes.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F15276-I/PT fits industrial sensor signal conditioning boards with its 10-bit ADC, integrated op amps and comparators (Intelligent Analog), and 36 I/O lines for multiplexer control and digital isolation gating. Drive the ADC from 1.8V to 5.5V to match common 3.3V and 5V transducer rails, then output the conditioned signal via EUSART, SPI, or I2C to a higher-tier controller. PPS eliminates layout rework when the analog front-end pin assignments change late in design. Industrial -40C to +85C operation is supported by the I suffix; for harsher environments migrate to the E-grade suffix where available.
Recommended
Home Appliance and Lighting Control
The PIC16F15276-I/PT serves as the central MCU in home appliance and lighting control boards, where its two PWM modules plus the CWG (Complementary Waveform Generator) CIP drive LED dimming, fan speed, or small motor half-bridges. The 32 MHz CPU delivers 8 MIPS, sufficient to run user-interface state machines, keypad scanning on PORTB, and triac/SCR phase-angle control simultaneously. PPS reroutes PWM outputs and EUSART to convenient PCB edges without re-spinning the board. Compared with discrete logic designs, this part replaces a NE555 plus glue logic and adds IoT-ready serial interfaces at similar cost.
Recommended
Small Motor and PWM Control
The PIC16F15276-I/PT is well suited for small DC motor, fan, and stepper control boards using its two PWM modules and two CCP modules running off the 32 MHz core. The CWG CIP generates complementary drive signals for half-bridge MOSFET drivers, enabling BLDC and H-bridge topologies without external logic. Hardware Limit Timer (HLT) provides hardware overcurrent shutoff in microseconds, faster than software-only trip detection. The 36 I/O lines handle quadrature encoder input, end-stop switches, and fault feedback without external muxes. For multi-axis or higher-current BLDC drives, scale to the larger PIC16F152xx derivatives.
Recommended
Remote Control and Consumer HMI
In remote control and consumer HMI designs the PIC16F15276-I/PT handles keypad scanning, IR transmit/receive via EUSART or PWM, low-battery detection through the 10-bit ADC, and serial communication with a host processor via SPI or I2C. The 28 KB Flash fits modest GUI/HMI state machines plus protocol stacks, while 2 KB SRAM supports frame buffering and de-bounce tables. XLP sleep modes extend coin-cell battery life into years for handheld and wall-switch form factors. PPS reassigns peripheral pins to fit slim PCB outlines without sacrificing test-point access.
Recommended
Automotive Body and Comfort Modules
The PIC16F15276-I/PT (industrial-grade -40C to +85C) is used in non-safety automotive body and comfort electronics such as interior lighting, seat controllers, mirror adjusters, and accessory multiplexers, where its 32 MHz CPU, 36 I/O, EUSART, SPI, I2C, and PWM peripherals handle multiple loads and LIN-bus slave communication. The CWG CIP drives complementary MOSFET half-bridges for mirror-fold and seat-position actuators. For under-hood or AEC-Q100-qualified applications, migrate to the PIC16F1xxx automotive-grade variants with the same peripheral IP. PPS allows late-stage pin swaps to satisfy EMC routing constraints.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15276-I/PT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15274-I/PT | PIC16F15376-I/PT | PIC16F15375-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same |
| Flash Memory | 28 KB | 14 KB | 28 KB | 14 KB |
| RAM | 2 KB | 2 KB | 2 KB | 1 KB |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 36 | 36 | 36 | 36 |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit |
| PWM / CCP | 2 PWM, 2 CCP | 2 PWM, 2 CCP | 2 PWM, 2 CCP | 2 PWM, 2 CCP |
| Communication | EUSART, SPI, I2C | EUSART, SPI, I2C | EUSART, SPI, I2C | EUSART, SPI, I2C |
| XLP Sleep | Yes (nanoWatt) | Yes (nanoWatt) | Yes (nanoWatt) | Yes (nanoWatt) |
| Approx. Unit Price (qty 1) | $2.10 | $1.50-1.85 | $2.10-2.40 | $1.60-1.95 |
Key Differentiators
- Largest Flash in the PIC16F15274/15276 pair at the same 44-TQFP pinout (vs PIC16F15274-I/PT)
- Lower-cost legacy mid-range core vs next-gen 15376 (vs PIC16F15376-I/PT)
- PPS flexibility reduces layout iterations (vs PIC16F15375-I/PT)
Design Notes
Place a 100 nF decoupling capacitor within 3 mm of each VDD pin (pins 11 and 32 on the 44-TQFP) and a bulk 10 uF tantalum or ceramic capacitor close to the MCU supply entry point. The PIC16F15276-I/PT operates from 1.8V to 5.5V; for 32 MHz operation ensure VDD is in the upper end of this range or use the 16 MHz / 1.8V derating. Estimated: at 32 MHz active current approximately 4 mA, dropping to under 50 nA in sleep mode (typical, per family datasheet).
Keep analog input traces short and guarded by a digital ground keep-out zone to minimize ADC coupling. Use a single-point ground at the analog reference capacitor and route VDD/VSS pairs symmetrically around the TQFP package. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for in-circuit programming and reset integrity; do not leave MCLR floating.
Do not assume the PPS peripheral pin assignments from the default firmware example match your final PCB layout; always re-route peripheral outputs via PPS in code to avoid contention on power-on. Verify that the I2C bus pull-up resistors (typically 4.7 kohm at 400 kHz) are present, and that the ICSP PGD/PGC lines are not pulled low by external circuitry during programming. Estimated: PPS reassignment is the most common configuration mistake on first prototypes.
When using the EUSART at high baud rates (>115200), ensure the baud-rate generator error is under 2 percent by verifying SPBRG settings against Fosc. For SPI master clocks above 8 MHz add a series 33 ohm resistor near the MCU pin to dampen reflections on long traces to slave devices. The hardware Limit Timer (HLT) should be used for overcurrent trip rather than software polling, giving microsecond-scale fault response in motor and lighting designs.
Compliance Information
Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified; for under-hood automotive safety-critical applications use PIC16F1xxx automotive-grade variants.
