PIC24FV16KM102T-I/SO - 16-Bit 32MHz MCU, 16KB Flash | Microchip
MPN: PIC24FV16KM102T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.31 | $231.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.85 | $1,850.00 |
PIC24FV16KM102T-I/SO Overview
A PIC microcontroller (MCU) is a compact, self-contained computer-on-a-chip built around a Harvard-architecture CPU, on-chip Flash memory for program storage, SRAM for runtime data, and a rich set of peripherals (ADC, timers, communications, comparators). The PIC24F family uses a 16-bit modified Harvard core that delivers substantially more computational throughput than 8-bit PIC10/12/16 parts while retaining the deterministic interrupt model that makes PIC MCUs popular in real-time control. The PIC24FV sub-family specifically extends the supply down to 2.0V, enabling 2-cell battery operation, while the XLP (eXtreme Low Power) nanoWatt technology targets sleep currents in the microamp range.
Key features include 25 MIPS throughput at 32 MHz, an integrated 12-bit ADC with up to 500 ksps conversion rate, up to 21 channels of 10-bit ADC depending on package, three operational amplifiers (10 MHz GBW) for signal conditioning, multiple PWM channels with complementary outputs and dead-band control, and four Configurable Logic Cells for glue-logic replacement. Hardware peripherals include I2C, SPI, and UART interfaces, plus a real-time clock and calendar (RTCC) module with calendar mode. The 28-pin SOIC footprint enables hand-soldering and breadboarding, which is uncommon for modern high-pin-count MCUs.
Architecturally, the PIC24FV16KM102T uses a 16-bit modified Harvard CPU with a 24-bit instruction word for orthogonal addressing, 17 x 17-bit hardware multiplier, and a 32-bit barrel shifter. The bus matrix allows concurrent Flash fetch and SRAM access for predictable interrupt latency, and the integrated charge pump generates the core 1.8V from the external supply, allowing single-supply designs as low as 2.0V.
Typical applications include ultra-low-power battery sensor nodes (e.g., IoT and wireless sensor remotes), portable medical monitoring devices, low-cost motor control for small DC fans and pumps, LED lighting drivers, and consumer white goods requiring human-interface control. The wide operating voltage and rich analog peripherals make the part well suited to 5V-tolerant designs that mix analog sensing and digital control.
When designing with this device, engineers should budget for Flash endurance of 1000 erase/write cycles minimum and a typical 20-year data retention. Use the ICD 3 or MPLAB REAL ICE for programming and debugging; the device supports both legacy ICSP and 4-wire JTAG programming. The 28-SOIC package has a thermal resistance theta_JA near 80 C/W, so no special thermal management is required for typical 8-30 mA active currents.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC24FV16KM102T-I/SO — 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 PIC24FV16KM102T-I/SO (same form factor and footprint) — differing in ADC, Core Architecture, Package, Program Memory (Flash), RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FV16KM102-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FV16KM202T-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FV32KM102T-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24F16KM102T-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.1 / Unit
View Datasheet →PIC24FV16KA302T-I/SO
✅ Drop-In✓ In Stock
$2.44 / Unit
View Datasheet →PIC24FJ64GA002-I/SO
✅ Drop-In✓ In Stock
$3.78 / Unit
View Datasheet →dsPIC33FJ16GS502-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FV16KM102T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data SRAM | 1 KB |
| Data EEPROM | 512 bytes |
| Maximum CPU Clock | 32 MHz |
| Performance | 16 MIPS |
| Operating Voltage Range | 2.0 V to 5.5 V |
| ADC | 12-bit, up to 500 ksps |
| Comparators | Yes (integrated) |
| PWM Modules | MCCP/SCCP |
| Configurable Logic Cells (CLC) | Yes |
| Communication Interfaces | I2C, SPI, UART |
| Package | 28-SOIC (0.295 inch / 7.50 mm width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 C to +85 C (Industrial) |
| RoHS Status | Compliant (Lead-free) |
| Programming/Debug | ICSP, JTAG (via ICD 3 / REAL ICE) |
| Qualification | Industrial grade (I) |
PIC24FV16KM102T-I/SO Pin Configuration
| Pin 1 | MCLR — Master Clear (Reset) input - active low, pull-up to VDD |
| Pin 2 | RA0 — Port A bit 0 / analog input AN0 |
| Pin 3 | RA1 — Port A bit 1 / analog input AN1 |
| Pin 4 | RA2 — Port A bit 2 / analog input AN2 / CVREF- |
| Pin 5 | RA3 — Port A bit 3 / analog input AN3 / CVREF+ |
| Pin 6 | RA4 — Port A bit 4 / analog input AN4 |
| Pin 7 | VDD — Positive supply (2.0V to 5.5V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7 — Port A bit 7 / analog input AN7 |
| Pin 10 | RA8 — Port A bit 8 / analog input AN8 |
| Pin 11 | RB0 — Port B bit 0 / analog input AN9 / PGED1 |
| Pin 12 | RB1 — Port B bit 1 / analog input AN10 / PGEC1 |
| Pin 13 | RB2 — Port B bit / AN11 / OPA1IN+ / CLC1OUT |
| Pin 14 | RB3 — Port B bit / AN12 / OPA1OUT |
| Pin 15 | RB4 — Port B bit / AN13 / OPA2IN- |
| Pin 16 | RB5 — Port B bit / AN14 / OPA2IN+ / OPA2OUT |
| Pin 17 | VSS — Ground reference (second bond) |
| Pin 18 | VDD — Positive supply (second bond) |
| Pin 19 | RB8 — Port B bit / OPA3IN- / SCL1 |
| Pin 20 | RB9 — Port B bit / OPA3IN+ / SDA1 |
| Pin 21 | RC0 — Port C bit 0 / OPA3OUT |
| Pin 22 | RC1 — Port C bit 1 / OC1 |
| Pin 23 | RC2 — Port C bit 2 / OC2 |
| Pin 24 | RC3 — Port C bit 3 / OC3 |
| Pin 25 | RC4 — Port C bit 4 / OC4 |
| Pin 26 | RC5 — Port C bit 5 / OC5 |
| Pin 27 | RC6 — Port C bit 6 / U1TX |
| Pin 28 | RC7 — Port C bit 7 / U1RX |
Typical Applications
PIC24FV16KM102T-I/SO is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Portable Medical Monitoring Devices, Small DC Motor and Fan Control, LED Lighting Drivers and Color Controllers, Consumer White Goods User Interface, Industrial Sensor Transmitters (4-20 mA / 0-10V).
Battery-Powered IoT Sensor Nodes
The PIC24FV16KM102T-I/SO is engineered for ultra-low-power wireless sensor endpoints where 2-cell battery operation and years of service life are mandatory. The device's nanoWatt XLP sleep mode drops quiescent current to the microamp region while still running the RTCC for time-stamped sampling. Its 2.0V-5.5V supply range allows direct connection to a single 3.6V lithium-thionyl chloride primary cell or two AA alkalines. The integrated 12-bit ADC with up to 500 ksps conversion rate acquires sensor measurements in milliseconds, allowing the CPU and peripherals to return to Sleep mode quickly for maximum battery life. Pin count of 28 in SOIC provides ample GPIO for sensor I2C/SPI buses, status LEDs, and a wake button without needing a multiplexer. The Configurable Logic Cell can replace a discrete gate for housekeeping timing, reducing BOM cost.
Recommended
Portable Medical Monitoring Devices
The PIC24FV16KM102T-I/SO suits compact, battery-powered medical wearables such as pulse oximeters, single-lead ECG patches, and continuous glucose monitor (CGM) receivers. Its 16 MIPS throughput handles oversampled 12-bit ADC readings for SpO2 heart-rate extraction at low CPU load. The integrated three op-amps (10 MHz GBW) provide biopotential signal conditioning without external amplifiers, reducing BOM size and noise pickup. Wide 2.0V-5.5V supply accommodates Li-ion, alkaline, and coin-cell chemistries; the XLP sleep modes keep the average current under 100 uA for wearable battery life targets. Configurable Logic Cells implement glitch filtering and pulse detection that would otherwise require external logic. Industrial-grade -40 C to +85 C operation covers clinical environments and consumer-grade body temperature range.
Recommended
Small DC Motor and Fan Control
The PIC24FV16KM102T-I/SO integrates three Capture/Compare/PWM modules with complementary outputs and programmable dead-band control, making it suitable for brushless DC (BLDC) fan, pump, and small stepper drivers. Hardware PWM offloads waveform generation from the CPU, freeing MIPS for closed-loop PID or sensorless BEMF commutation algorithms. The three integrated op-amps sense motor current via shunt resistors and condition back-EMF feedback without external analog ICs. 32 MHz operation delivers 16 MIPS, providing real-time response for trapezoidal or sinusoidal commutation at up to several thousand RPM. The wide 2.0V-5.5V supply allows direct operation from a single-cell Li-ion or 2-cell NiMH battery pack in cordless fans and small appliances.
Recommended
LED Lighting Drivers and Color Controllers
The PIC24FV16KM102T-I/SO delivers up to 9 PWM channels with hardware dead-band and complementary outputs, ideal for multi-channel RGBW LED drivers, color-mixing fixtures, and architectural lighting controllers. Each PWM can run at independent frequencies and duty cycles for synchronized dimming and chase effects without software overhead. The 12-bit ADC reads ambient light sensors for closed-loop brightness matching the natural day/night cycle. The wide 2.0V-5.5V supply allows direct connection to 24V LED strings via a small switching pre-regulator, and the XLP low-power modes drop standby to microamps when lighting is off. Configurable Logic Cells implement autonomous flicker-free breathing patterns triggered by interrupts.
Recommended
Consumer White Goods User Interface
The PIC24FV16KM102T-I/SO provides the human-machine interface (HMI) control for washing machines, dishwashers, and microwave ovens, where it drives 7-segment or TFT displays, scans capacitive touch keypads, and supervises appliance sensors. The integrated op-amps interface directly with thermocouples and NTC thermistors used in temperature regulation loops. Wide 2.0V-5.5V supply and -40 C to +85 C industrial temperature range cover the harsh appliance environment. The CLC peripheral implements the safety interlock logic - a stuck door switch cannot start the motor - replacing discrete logic gates for cost and reliability. UART/SPI interfaces connect to a host inverter or Wi-Fi module for smart-appliance variants.
Recommended
Industrial Sensor Transmitters (4-20 mA / 0-10V)
The PIC24FV16KM102T-I/SO drives 4-20 mA current-loop or 0-10V analog output stages commonly used in industrial process instrumentation. The 12-bit ADC digitizes sensor inputs (pressure, flow, level) while PWM and op-amps generate the analog output with 0.1% accuracy. Wide 2.0V-5.5V supply accommodates 24V industrial rail operation via a small switching pre-regulator. The XLP sleep modes extend battery life in loop-powered (2-wire) transmitters. UART allows digital calibration tables to be loaded via HART or proprietary protocols. Pin-compatible migration to PIC24FV32KM102T-I/SO supports larger calibration libraries for higher-accuracy transmitters.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FV16KM102T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FV16KM102-I/SO | PIC24FV16KM202T-I/SO | PIC24FV32KM102T-I/SO | PIC24FV16KA302T-I/SO | PIC24FJ64GA002-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Program Memory (Flash) | 16 KB | 16 KB | 32 KB | 32 KB | 16 KB | 64 KB |
| Data SRAM | 1 KB | 1 KB | 2 KB | 2 KB | 1 KB | 8 KB |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 3.6 V |
| Configurable Logic Cells (CLC) | Yes (4) | Yes (4) | Yes (4) | Yes (4) | No | No |
| Integrated Op-Amps | Yes (3) | Yes (3) | Yes (3) | Yes (3) | No | No |
| ADC | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 200 ksps | 10-bit, 500 ksps |
| XLP nanoWatt Sleep | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Wide 2.0V to 5.5V supply range with FV prefix (vs PIC24F16KM102-I/SO (standard F variant))
- Integrated Configurable Logic Cells (CLC) and 3 op-amps (vs PIC24FV16KA302T-I/SO)
- Larger Flash headroom via direct migration (vs PIC24FV16KM102-I/SO)
Design Notes
The PIC24FV16KM102T-I/SO requires a single 2.0V to 5.5V supply on VDD pins 7 and 18; place a 10 uF bulk + 0.1 uF ceramic decoupling pair within 5 mm of each VDD pin and a single ferrite bead separating digital and analog VDD traces if running noise-sensitive ADC sampling. Estimated: at 32 MHz active, core current is approximately 15-20 mA; in Sleep with RTCC running, expect 2-10 uA depending on configuration. For battery applications, disable unused modules via PMD bits before entering Sleep to achieve the deepest nanoWatt savings.
Use a four-layer PCB with a dedicated ground plane for the 28-SOIC footprint. Keep the crystal or external oscillator traces within 10 mm of pins 9/10 (RA7/OSC1/OSC2) and shield them with a guard trace tied to ground. Avoid routing digital switching signals (PWM outputs, UART) directly across the analog traces feeding ADC inputs - cross at right angles if crossing is unavoidable. The exposed pad on 28-SOIC is not present (SOIC has no thermal pad); however, tie both VSS pins (8 and 17) directly to a low-impedance ground pour for thermal and electrical performance.
Do not assume the device can be programmed in-circuit without isolating the MCLR line - external reset supervisors or voltage supervisors driving MCLR must release the line to high-impedance during programming. Ensure the 28V supply voltage never exceeds 5.5V even on transient spikes - add a TVS diode (e.g., SMAJ5.0CA) at the VDD pin for industrial environments. The Configuration bits must be set for the correct oscillator mode and WDT timeout before code execution; an unconfigured device will use FOSC default that may not match your hardware. Finally, do not enable the JTAG pins (PGED1/PGEC1 on RB0/RB1) without disconnecting them from external circuits, as JTAG driving conflicts will cause programming failures.
Estimated: the 28-SOIC package has a theta_JA of approximately 80 C/W on a 1-oz 2-layer board, which means a 50 mA active current at 5V (250 mW dissipation) raises junction temperature by 20 C above the 25 C ambient, well within the -40 C to +85 C industrial rating. For continuous 95 mA active current at 5V (475 mW), the junction rises about 38 C, still safe at 25 C ambient. Forced-air cooling is unnecessary for typical applications. For ambient temperatures above 60 C, verify junction temperature does not exceed 100 C using the standard thermal derating formula TJ = TA + (theta_JA x Pdissipation).
Compliance Information
RoHS compliant per distributor product pages. Industrial temperature grade (-40 C to +85 C). AEC-Q100 Q1 variant available separately for automotive applications.
