PIC24FV16KM202T-I/ML - 16KB Flash XLP 16-bit MCU | Microchip
MPN: PIC24FV16KM202T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.71 | $27.10 |
| 100 | $2.45 | $245.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.92 | $1,920.00 |
PIC24FV16KM202T-I/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripherals such as ADC, timers, and communication interfaces. PIC24F devices belong to Microchip's 16-bit modified Harvard architecture family, which sits between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts. The 'FV' suffix denotes the wide-voltage (2.0V-5.5V) variant, while 'KM' identifies the analog-rich, XLP product family. This positions the part between 8-bit MCUs (lower cost, lower performance) and 32-bit MCUs (higher MIPS, more RAM), making it ideal for cost-sensitive battery-powered analog signal-chain applications.
Key features include 2 KB RAM, 32 MHz operation (8 MIPS with instruction pipelining), 12-bit ADC with up to 16 channels, dual op-amps with rail-to-rail input/output, an 8-bit DAC, three analog comparators, configurable logic cells (CLC), Capture/Compare/PWM modules, and 21 I/O pins. The XLP architecture provides sleep currents under 1 uA, enabling multi-year battery operation. Charge Time Measurement Unit (CTMU) supports capacitive touch sensing without external components.
The architecture uses a modified Harvard design with separate program flash and SRAM buses, enabling simultaneous instruction fetch and data access. The 16-bit data path doubles throughput versus 8-bit PIC MCUs while preserving the familiar MPLAB X IDE and XC16 toolchain. Hardware multiply/divide and DSP-friendly instructions accelerate filter math.
Typical applications include IoT sensor nodes, battery-powered medical wearables, e-metering, HVAC controllers, and capacitive touch human-machine interfaces. The integrated op-amps and DAC enable direct sensor conditioning with minimal external components.
When designing with this MCU, ensure the trace to the exposed pad provides a thermal path and low-impedance ground return. Decouple VDD with 100 nF ceramic plus 1-10 uF bulk within 5 mm, and use MPLAB ICD 3 or ICD 4 for programming and debug.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet. Specifications are sourced from Microchip datasheet DS30009841 and DigiKey listings as of 2026-09-30.
Drop-in alternatives for PIC24FV16KM202T-I/ML — 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 PIC24FV16KM202T-I/ML (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Program Memory (Flash), Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FV16KM202-I/ML
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FV16KM202-E/ML
✅ Drop-In✓ In Stock
$1.95 / Unit
View Datasheet →PIC24FV08KM202T-I/ML
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC24FV08KM204T-I/ML
✅ Drop-In✓ In Stock
$2.32 / Unit
View Datasheet →PIC24FV16KA302-I/ML
✅ Drop-In✓ In Stock
$2.04 / Unit
View Datasheet →PIC24FJ64GA002-I/ML
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FV16KM202T-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit modified Harvard RISC |
| Program Memory (Flash) | 16 KB (5.5K x 24 instructions) |
| Data RAM | 2 KB |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage Range | 2.0 V to 5.5 V (wide-voltage 'V' variant) |
| ADC | 12-bit, up to 16 channels |
| DAC | 8-bit, 1 channel |
| Operational Amplifiers | 2 x rail-to-rail input/output |
| Comparators | 3 x analog |
| Configurable Logic Cell (CLC) | Yes |
| Capture/Compare/PWM | 3 x CCP/ECCP |
| I/O Pins | 21 |
| Communication | UART, SPI, I2C |
| Package | 28-pin QFN (6x6 mm) with exposed pad |
| Operating Temperature | -40C to +85C (Industrial) |
| RoHS Status | Compliant |
| CTMU (Capacitive Touch) | Yes |
| eXtreme Low Power (XLP) | Yes (< 1 uA sleep) |
PIC24FV16KM202T-I/ML Pin Configuration
| Pin 1 | RA0/C1IND/AN0/CVREF-/RP5 — GPIO RA0 / Comparator 1 input D / ADC AN0 / CVREF negative / Remappable peripheral |
| Pin 2 | RA1/C1INC/AN1/CVREF+/RP6 — GPIO RA1 / Comparator 1 input C / ADC AN1 / CVREF positive / Remappable peripheral |
| Pin 3 | RA2/C2IND/AN2/DA1OUT/RP7 — GPIO RA2 / Comparator 2 input D / ADC AN2 / DAC1 output / Remappable peripheral |
| Pin 4 | RA3/C1INC/AN3/C2INC/RP8 — GPIO RA3 / Comparator 1 input C / ADC AN3 / Comparator 2 input C / Remappable peripheral |
| Pin 5 | RA4/C1OUT/AN4/C2OUT/RP9 — GPIO RA4 / Comparator 1 output / ADC AN4 / Comparator 2 output / Remappable peripheral |
| Pin 6 | RA5/C1INA/AN5/C2INA/RP10 — GPIO RA5 / Comparator 1 input A / ADC AN5 / Comparator 2 input A / Remappable peripheral |
| Pin 7 | RA6/OPA1IN+/OSC2/CLKO — GPIO RA6 / Op-Amp 1 non-inverting input / OSC2 / Clock output |
| Pin 8 | RA7/OPA1IN-/OSC1/CLKI — GPIO RA7 / Op-Amp 1 inverting input / OSC1 / Clock input |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RA9/OPA1OUT — GPIO RA9 / Op-Amp 1 output |
| Pin 11 | RA10/CVREF/AN6/RP16 — GPIO RA10 / CVREF output / ADC AN6 / Remappable peripheral |
| Pin 12 | RA11/AN7/RP17 — GPIO RA11 / ADC AN7 / Remappable peripheral |
| Pin 13 | RB0/C2INA/AN8/C1INA/PGED3/RP0 — GPIO RB0 / Comparator input / ADC AN8 / Programming data / Remappable peripheral |
| Pin 14 | RB1/C2INB/AN9/C1INB/PGEC3/RP1 — GPIO RB1 / Comparator input / ADC AN9 / Programming clock / Remappable peripheral |
| Pin 15 | RB2/C3INB/AN10/C2INB/RP2 — GPIO RB2 / Comparator 3 input B / ADC AN10 / Remappable peripheral |
| Pin 16 | RB3/C3INA/AN11/C2INA/RP3 — GPIO RB3 / Comparator 3 input A / ADC AN11 / Remappable peripheral |
| Pin 17 | RB4/C3IND/AN12/C1IND/RP4 — GPIO RB4 / Comparator 3 input D / ADC AN12 / Remappable peripheral |
| Pin 18 | RB5/SDA2/AN13/C1INC/RP18 — GPIO RB5 / I2C2 SDA / ADC AN13 / Remappable peripheral |
| Pin 19 | RB6/SCL2/AN14/C3OUT/RP19 — GPIO RB6 / I2C2 SCL / ADC AN14 / Comparator 3 output / Remappable peripheral |
| Pin 20 | RB7/INT0/AN15/C3INC/RP20 — GPIO RB7 / External interrupt 0 / ADC AN15 / Remappable peripheral |
| Pin 21 | RB8/C1OUT/U1CTS/OC1/RP21 — GPIO RB8 / Comparator 1 output / UART1 CTS / Output Compare 1 / Remappable peripheral |
| Pin 22 | RB9/C2OUT/U1RTS/IC1/RP22 — GPIO RB9 / Comparator 2 output / UART1 RTS / Input Capture 1 / Remappable peripheral |
| Pin 23 | VCAP — Internal voltage regulator output - requires 1uF to VSS |
| Pin 24 | RB10/PMPALH/SDA1/RP23 — GPIO RB10 / PMP address latch high / I2C1 SDA / Remappable peripheral |
| Pin 25 | RB11/PMPALL/SCL1/RP24 — GPIO RB11 / PMP address latch low / I2C1 SCL / Remappable peripheral |
| Pin 26 | RB12/PMPRE/RP25 — GPIO RB12 / PMP read enable / Remappable peripheral |
| Pin 27 | MCLR — Master Clear reset input (active low) |
| Pin 28 | VDD — Positive supply (2.0V to 5.5V) |
Typical Applications
PIC24FV16KM202T-I/ML is suitable for 7 applications: IoT Wireless Sensor Nodes, Battery-Powered Medical Wearables, Capacitive Touch HMI, Smart HVAC and Building Controls, Electronic Smart Meters, Industrial Sensor Transmitters, Portable Consumer Electronics.
IoT Wireless Sensor Nodes
The PIC24FV16KM202T-I/ML is well suited to battery-powered IoT sensor nodes thanks to its eXtreme Low Power architecture delivering sleep currents under 1 uA, 16 KB flash for protocol stacks like LoRaWAN or BLE beacons, and integrated 12-bit ADC for direct sensor interface. At a 32 MHz core speed the MCU can wake, sample, transmit, and return to sleep within milliseconds, extending coin-cell battery life to multiple years. The wide 2.0V-5.5V supply range accommodates 3.3V and 5V sensor rails without level shifting. The on-chip CTMU simplifies capacitive soil-moisture or proximity sensing. For remote environmental monitoring, this part pairs naturally with sub-GHz transceivers in the same 5V domain.
Recommended
Battery-Powered Medical Wearables
In medical wearables such as pulse oximeters, continuous glucose monitors, and fitness bands, the PIC24FV16KM202T-I/ML enables multi-day battery life through XLP sleep modes below 1 uA and fast wake-up to 32 MHz operation. Its two integrated rail-to-rail op-amps condition photodiode or bio-impedance signals directly, eliminating external instrumentation amplifiers and reducing BOM cost and PCB area. The 12-bit ADC captures sensor data at low power, while the on-chip DAC drives LED bias for optical measurements. The 28-QFN (6x6 mm) footprint suits wrist-worn form factors. Combined with Microchip's medical-grade development ecosystem, this MCU accelerates FDA-cleared device certification.
Recommended
Capacitive Touch HMI
Human-machine interfaces with capacitive touch buttons, sliders, and proximity sensors leverage the PIC24FV16KM202T-I/ML's integrated CTMU (Charge Time Measurement Unit) which measures capacitance changes through the 12-bit ADC without external components. The CLC (Configurable Logic Cell) implements custom glue logic between peripherals in hardware, offloading the CPU. Designers can develop touch algorithms using Microchip's mTouch framework in MPLAB Code Configurator, supporting up to 16 touch channels on the 28-pin device. The wide-voltage supply (2.0V-5.5V) supports both 3.3V and 5V LCD displays. This part replaces mechanical buttons in appliances, industrial controls, and consumer electronics.
Recommended
Smart HVAC and Building Controls
HVAC controllers, smart thermostats, and building automation nodes benefit from the PIC24FV16KM202T-I/ML's analog-rich peripherals which condition temperature, humidity, and pressure sensors directly. The two integrated op-amps interface thermistors and bridge sensors; three comparators enable threshold detection for safety cutoffs. The XLP sleep modes and CTMU capacitive touch support modern touchscreen thermostats with multi-year battery operation on the wireless variants. The industrial -40C to +85C temperature range suits unconditioned plant rooms. CCP/ECCP modules drive triacs for AC load control or PWM for variable-speed fans.
Recommended
Electronic Smart Meters
Single-phase electronic energy meters and submetering applications use the PIC24FV16KM202T-I/ML for metrology computation alongside dedicated AFE chips like the MCP39F511. The MCU's 32 MHz core performs RMS calculation, power-factor measurement, and TOU tariff logic while the integrated op-amps and 12-bit ADC handle current-sensor signal conditioning for class-1 accuracy. The 16 KB flash stores calibration tables, display fonts, and communication stacks (DLMS/COSEM, Modbus). The wide-voltage supply accepts 3.3V rails directly from metrology AFEs, and the industrial temperature range suits outdoor meter enclosures. XLP sleep supports battery-backed RTC operation during line outages.
Recommended
Industrial Sensor Transmitters
4-20 mA loop-powered and IO-Link sensor transmitters leverage the PIC24FV16KM202T-I/ML's low sleep current and integrated analog chain for compact field-instrument designs. The op-amps condition strain-gauge bridge outputs directly, the 12-bit ADC digitizes the result, and the DAC drives the 4-20 mA current loop through an external pass transistor. The wide 2.0V-5.5V supply tolerates the loop compliance voltage. Industrial -40C to +85C operation and the 28-QFN package suit IP67 sealed enclosures. CLC and CCP peripherals implement HART modulation in hardware, freeing CPU cycles for sensor linearization and diagnostics.
Recommended
Portable Consumer Electronics
Handheld consumer products such as remote controls, electronic toys, and portable audio accessories benefit from the PIC24FV16KM202T-I/ML combination of low cost, integrated analog peripherals, and eXtreme Low Power operation. The CTMU enables touch-button interfaces without mechanical switches, the 8-bit DAC generates audio tones, and the CCP modules drive PWM for motor or LED control. At $1.92 in 1k quantity the part fits aggressively cost-targeted consumer SKUs. The 28-QFN (6x6 mm) footprint supports compact PCB layouts, and the wide-voltage supply operates directly from 2xAA alkaline or single Li-ion cells across their discharge curves.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FV16KM202T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FV16KM202-I/ML | PIC24FV16KM202-E/ML | PIC24FV08KM202T-I/ML | PIC24FV08KM204T-I/ML | PIC24FV16KA302-I/ML | PIC24FJ64GA002-I/ML |
|---|---|---|---|---|---|---|---|
| Package | 28-pin QFN (6x6 mm) | 28-pin QFN (6x6 mm) - same | 28-pin QFN (6x6 mm) - same | 28-pin QFN (6x6 mm) - same | 28-pin QFN (6x6 mm) - same | 28-pin QFN (6x6 mm) - same | 28-pin QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz |
| Flash Memory | 16 KB | 16 KB | 16 KB | 8 KB | 8 KB | 16 KB | 64 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB | 2 KB | 8 KB |
| Operating Voltage | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 3.6V |
| Integrated Op-Amps | 2 rail-to-rail | 2 rail-to-rail | 2 rail-to-rail | 2 rail-to-rail | 2 rail-to-rail | None (external required) | None (external required) |
| CTMU (Capacitive Touch) | Yes | Yes | Yes | Yes | Yes | No | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| 1k Unit Price (approx) | $1.92 | $1.85 | $2.10 | $1.75 | $1.80 | $1.65 | $2.40 |
Key Differentiators
- Integrated analog front-end eliminates external op-amps (vs PIC24FJ64GA002-I/ML)
- CTMU capacitive touch sensing in hardware (vs PIC24FV16KA302-I/ML)
- Wide-voltage 2.0V-5.5V operation vs 2.0V-3.6V FJ variant (vs PIC24FJ64GA002-I/ML)
Design Notes
Decouple VDD (pin 28) with a 100 nF X7R ceramic capacitor placed within 5 mm of the pin, plus a 1-10 uF bulk capacitor for transient load handling. The internal 1.8V regulator output VCAP (pin 23) requires a low-ESR 1 uF ceramic capacitor to VSS for stable operation; do not omit this part as it will cause erratic resets. Use a star-ground topology tying the QFN exposed pad (EP) directly to VSS through at least 4 thermal vias for low-impedance ground return.
The 28-pin QFN (6x6 mm) package has a central exposed thermal pad (EP) that must be soldered to a copper pad on the PCB for mechanical reliability and thermal dissipation. Use an array of at least 9 thermal vias (0.3 mm drill, 0.6 mm pitch) connecting EP to the inner VSS plane. Route GPIO signals on inner layers to keep the top layer ground pour continuous. Avoid routing high-speed signals (SPI, PWM) under the QFN body where they can couple to internal bond wires.
Do not omit the MCLR pull-up resistor (typically 10 kOhm to VDD) even though the device has an internal weak pull-up; the internal pull-up is not strong enough for noisy industrial environments. The ICSP programming pins PGEC3/PGED3 (RB0/RB1) are shared with GPIO and must be accessible in the final layout for in-system programming. When using the CTMU for capacitive touch, calibrate the current source via the dedicated CTMUCON register per datasheet DS30009841 section 21, or touch sensitivity will drift with temperature.
When using the 12-bit ADC at full 32 MHz core speed, place analog input traces away from digital switching lines and keep trace lengths under 50 mm to minimize coupling. Add a small RC filter (100 ohm + 100 nF) on ADC inputs in noisy environments. Use the dedicated AVSS analog ground pin and route it back to the QFN EP through a separate trace. For capacitive touch sensing, guard ring traces around touch electrodes reduce parasitic capacitance and improve sensitivity.
Compliance Information
RoHS and REACH compliant per Microchip product page. Lead-free (Pb-free) matte tin finish. Halogen-free molding compound per IEC 61249-2-21. Not AEC-Q100 qualified - automotive applications should use PIC24F16KM202-E/ML extended-temperature variant or contact Microchip for AEC-Q100 screening options.
