PIC24FV16KM202-I/SS - 16-Bit XLP MCU, 16KB Flash, 28-SSOP | Microchip
MPN: PIC24FV16KM202-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.79 | $4.79 |
| 10 | $4.31 | $43.10 |
| 100 | $3.83 | $383.00 |
| 500 | $3.45 | $1,725.00 |
| 1,000 | $3.07 | $3,070.00 |
PIC24FV16KM202-I/SS Overview
A 16-bit MCU (microcontroller unit) is an embedded processor with a 16-bit data path, register width, and instruction set, sitting between 8-bit MCUs and 32-bit ARM Cortex-M devices in the embedded system taxonomy. PIC24F devices from Microchip use a Harvard bus architecture with modified Harvard instruction fetch, providing higher code density than 8-bit PIC MCUs while retaining the deterministic interrupt model of the PIC family. XLP (eXtreme Low Power) is Microchip's marketing designation for sub-uA/MHz active current and nanoWatt sleep modes, allowing battery-powered designs to extend operating life into the year range.
Key features include 16 KB (5.5K x 24) of program Flash, 2 KB of SRAM, a 12-bit ADC with multiple channels, dual 8-bit DACs, operational amplifiers, comparators, Configurable Logic Cells (CLC), and PWM/Capture/Compare modules. The peripheral set also includes I2C, SPI, UART/USART, IrDA, and LIN connectivity. The wide operating voltage range from 2V to 5.5V (with a 5.5V max) supports both 3.3V and 5V rails common in industrial and battery-backed designs.
The PIC24FV16KM202 uses a RISC-based PIC24 architecture with single-cycle 16-bit ALU operations and a hardware multiply/divide engine, achieving up to 16 MIPS at the 32 MHz top speed. Integrated analog blocks (12-bit ADC, 8-bit DAC, op-amps, comparators) reduce external BOM count for sensor signal-chain designs. The CLC peripheral allows combinational and sequential logic to be implemented inside the MCU without discrete gates.
Typical applications include battery-operated environmental sensors, low-power IoT end devices, sensor signal conditioning front-ends, portable instrumentation, and mixed-signal industrial nodes. The combination of XLP sleep currents and integrated analog makes the part especially suitable for energy-harvesting and remote-monitoring designs.
When designing with this part, ensure proper decoupling (0.1uF plus bulk) near the VDD pins, follow the in-circuit serial programming (ICSP) pad guidelines for programming/debug access, and review the datasheet's analog pin mapping for shared analog/digital pins. Programming toolchains are supported by MPLAB X IDE and the XC16 compiler.
This page synthesizes distributor pricing from 14 distributors, drop-in alternative MPNs within the PIC24F family, and practical design notes that augment the manufacturer datasheet.
Drop-in alternatives for PIC24FV16KM202-I/SS — 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 PIC24FV16KM202-I/SS (same form factor and footprint) — differing in Package, Program Memory (Flash), Operating Temperature, ADC, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FV16KM202T-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FV16KM202-I/ML
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FV16KA302-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.41 / Unit
View Datasheet →PIC24FV32KM202-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FV16KM102-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.15 / Unit
View Datasheet →PIC24FV08KM202-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →PIC24FV16KM202-I/SS Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit Microcontroller (MCU) |
| Family | PIC24F XLP 24F |
| Core Processor | PIC |
| Core Size | 16-bit |
| Maximum Clock Frequency | 32 MHz |
| Program Memory (Flash) | 16 KB (5.5K x 24) |
| RAM Size | 2 KB |
| Operating Voltage Range | 2 V to 5.5 V (5.5 V max) |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Package | 28-SSOP (0.209", 5.30 mm width) |
| Mounting Type | Surface Mount |
| Connectivity | I2C, IrDA, LIN, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT, 12-bit ADC, 8-bit DAC, Op-Amps, Comparators, CLC |
| Data Converters | 12-bit ADC + 8-bit DAC |
| RoHS Status | Compliant |
| Halogen Free | Compliant |
| Lead-Free | Yes |
PIC24FV16KM202-I/SS Pin Configuration
| Pin 1 | MCLR — Master clear (reset) input, active low; programming voltage input |
| Pin 2 | RA0 — Port A bit 0 / analog input AN0 |
| Pin 3 | RA1 — Port A bit 1 / analog input AN1 |
| Pin 4 | RB0 — Port B bit 0 / analog input AN2 / PGED1 programming data |
| Pin 5 | RB1 — Port B bit 1 / analog input AN3 / PGEC1 programming clock |
| Pin 6 | RB2 — Port B bit 2 / analog input AN4 |
| Pin 7 | RB3 — Port B bit 3 / analog input AN5 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1 — Crystal oscillator input / external clock input |
| Pin 10 | OSC2 — Crystal oscillator output |
| Pin 11 | RB4 — Port B bit 4 / analog input AN6 |
| Pin 12 | RB5 — Port B bit 5 / analog input AN7 |
| Pin 13 | RB6 — Port B bit 6 / analog input AN8 / ICS PGD |
| Pin 14 | RB7 — Port B bit 7 / analog input AN9 / ICS PGC |
| Pin 15 | VDD — Positive supply voltage (2 V to 5.5 V) |
| Pin 16 | RA2 — Port A bit 2 / analog input AN10 / CVREF |
| Pin 17 | RA3 — Port A bit 3 / analog input AN11 / VREF+ |
| Pin 18 | RA4 — Port A bit 4 / analog input AN12 |
| Pin 19 | RA5 — Port A bit 5 / analog input AN13 / VREF- |
| Pin 20 | RA6 — Port A bit 6 |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 |
| Pin 25 | RC4 — Port C bit 4 |
| Pin 26 | RC5 — Port C bit 5 |
| Pin 27 | RC6 — Port C bit 6 / TX (UART) |
| Pin 28 | RC7 — Port C bit 7 / RX (UART) |
Typical Applications
PIC24FV16KM202-I/SS is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Industrial Sensor Signal Conditioning, Portable Medical Monitoring Devices, Automotive LIN Bus Node ECUs, Smart Home Wireless Sensor Hubs, Low-Power Motor Control (Small BLDC/Fan), Energy Harvesting Wireless Switches.
Battery-Powered IoT Sensor Nodes
The PIC24FV16KM202-I/SS is well-suited for battery-powered IoT sensor nodes where the PIC24F eXtreme Low Power (XLP) sleep currents (sub-uA typical) extend battery life into multi-year ranges, while the integrated 12-bit ADC and op-amps handle direct sensor signal conditioning without external analog ICs. The 2 V to 5.5 V wide operating voltage supports both 3.3 V and 5 V battery stacks (including 3 x AA alkaline and Li-ion). Duty-cycled operation with sleep/wake on timer or interrupt achieves average currents under 10 uA in typical remote-monitoring designs. The 28-SSOP package allows hand-solderable prototype builds for low-volume IoT deployments.
Recommended
Industrial Sensor Signal Conditioning
The PIC24FV16KM202-I/SS integrates a 12-bit ADC, dual 8-bit DACs, operational amplifiers, comparators, and Configurable Logic Cells (CLC), enabling a complete analog front-end in a single chip for industrial sensor signal conditioning. The op-amps can buffer thermocouple and bridge-sensor outputs before the ADC, while comparators provide hardware threshold detection for over-limit alarms. The 32 MHz core runs basic linearization, filtering, and PID control loops at sample rates up to several kHz. The 28-SSOP industrial-temperature rating (-40C to +85C) supports factory-floor deployment.
Recommended
Portable Medical Monitoring Devices
The PIC24FV16KM202-I/SS suits portable medical monitoring devices where low power consumption is critical for patient wearables. The integrated 12-bit ADC handles biosignal acquisition (pulse oximetry, heart rate), the DAC drives LED excitation in optical sensors, and the XLP sleep modes extend battery life across multi-day monitoring sessions. The wide 2 V to 5.5 V input range supports single-cell Li-ion as well as 2 x AA battery configurations. Hardware cryptographic peripherals (depending on family variant) protect patient data at rest.
Recommended
Automotive LIN Bus Node ECUs
The PIC24FV16KM202-I/SS includes LIN bus connectivity via the UART/USART peripheral with LIN-compatible mode, making it a fit for low-speed automotive body electronics such as seat controllers, mirror modules, and window lift nodes. The wide 5 V operating range matches the 12 V automotive battery (post-protection) rails, and the -40C to +85C industrial temperature range covers most cabin and chassis locations. For under-hood applications requiring AEC-Q100, see the automotive-graded PIC24F variants. The CLC peripheral implements custom LIN-compatible signaling without external logic.
Recommended
Smart Home Wireless Sensor Hubs
The PIC24FV16KM202-I/SS fits smart home wireless sensor hubs where it serves as the local sensor-processing MCU connected to a sub-GHz or 2.4 GHz transceiver via SPI. The integrated ADC and op-amps handle environmental sensors (temperature, humidity, light, occupancy), while the XLP sleep connectivity lets the MCU duty-cycle wakeup to process sensor data and forward it to the radio. The 32 MHz core runs simple protocol stacks (Zigbee, LoRaWAN node, BLE bridge). Low power draw keeps the hub running for years on battery in retrofit installations.
Recommended
Low-Power Motor Control (Small BLDC/Fan)
The PIC24FV16KM202-I/SS can drive small brushless DC motors and fans using its PWM/Output Compare modules for commutation and the on-chip op-amps/comparators for back-EMF sensing. The 32 MHz core executes field-oriented control or simple six-step commutation algorithms at moderate PWM frequencies. The XLP sleep modes let the MCU enter standby between motion events, which is useful for battery-powered fan or pump designs. The 28-SSOP package gives adequate thermal margin at small motor power levels.
Recommended
Energy Harvesting Wireless Switches
The PIC24FV16KM202-I/SS is suitable for energy-harvesting wireless switches (EnOcean-style) where the MCU wakes from a mechanical or RF energy pulse, processes the event, transmits via a low-power radio, and returns to sleep. The XLP sleep current (sub-uA) and fast wakeup (microseconds) make this duty cycle feasible. The wide operating voltage range (2 V to 5.5 V) accommodates variable harvester output. The 28-SSOP package fits inside standard wall-switch form factors.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FV16KM202-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FV16KM202T-I/SS | PIC24FV32KM202-I/SS | PIC24FV16KM102-I/SS | PIC24FV08KM202-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Program Flash | 16 KB | 16 KB | 32 KB | 16 KB | 8 KB |
| RAM | 2 KB | 2 KB | 4 KB | 2 KB | 1 KB |
| Max Clock | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Voltage | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V |
| ADC | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| DAC | 8-bit (dual) | 8-bit (dual) | 8-bit (dual) | 8-bit (single) | 8-bit (single) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated analog-rich peripherals (vs PIC24FV08KM202-I/SS)
- Double the program memory vs lower-end variant (vs PIC24FV08KM202-I/SS)
- Software-compatible upgrade path to 32 KB Flash (vs PIC24FV32KM202-I/SS)
- Wide 5 V-tolerant operating voltage (vs Standard PIC24F (non-FV) variants)
Design Notes
Estimated - the PIC24FV16KM202-I/SS achieves sub-uA sleep current in the XLP Sleep mode per the Microchip datasheet, but actual quiescent draw is set by whether peripherals are gated. To minimize sleep current, disable unused peripherals via PMD registers, switch to the LPRC internal 32 kHz RC for WDT wakeups, and ensure no floating analog inputs (tie unused analog pins to VDD or VSS to avoid leakage). Decoupling: place a 100 nF ceramic + 10 uF bulk close to the VDD/VSS pins; the SSOP package's thermal performance limits continuous dissipation to under 200 mW.
The 28-SSOP has 0.65 mm pin pitch and 5.30 mm body width; routing requires fine-pitch escape patterns but is well within standard 4-layer 0.1"-pitch PCB capability. Place the 32.768 kHz crystal (if used for RTCC) within 5 mm of the OSC1/OSC2 pins with a grounded guard ring to reduce capacitive coupling. Keep analog signal traces away from digital switching lines; use a separate analog ground plane tied to VSS at a single point if precision ADC readings are required.
Estimated - common pitfalls with the PIC24FV16KM202-I/SS include: (1) Forgetting to disable the JTAG pins (RB6/RB7) when not using ICSP debug, which causes those pins to be unavailable for GPIO. (2) Mis-configuring the analog/digital pin mode registers, causing analog leakage or digital input floating. (3) Exceeding the 5.5 V absolute maximum on any pin, which is easy when interfacing 5 V signals to a 3.3 V-rail design. (4) Choosing the wrong configuration bits at programming time, which can lock out ICSP access - always set CONFIG4 to enable ICSP. (5) Using LPRC instead of the high-precision internal FRC for UART baud rates without calibration.
Estimated - for noise-sensitive ADC applications, route the analog VDD/VSS pair (AVDD/AVSS if used separately) with star topology from the regulator output, and place a ferrite bead between digital VDD and analog AVDD. Keep the analog reference voltage pin (VREF+/VREF-) bypassed with 100 nF ceramic + 10 uF tantalum close to the pin. For PWM/Output Compare applications driving power stages, place the MCU at least 10 mm away from switching nodes and use ground pours to isolate return currents.
Compliance Information
RoHS compliant and Halogen-Free per Microchip product environmental compliance information. Industrial temperature grade (-40C to +85C), not AEC-Q100 qualified - for automotive applications, use the AEC-Q100-graded PIC24F variants in the same family. Lead-free and halogen-free packaging.
