PIC24F16KM204-I/PT - 16-bit 32MHz XLP MCU 16KB Flash | Microchip
MPN: PIC24F16KM204-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.55 | $35.50 |
| 100 | $3.05 | $305.00 |
| 500 | $2.62 | $1,310.00 |
| 1,000 | $2.3 | $2,300.00 |
| 2,500 | $2.05 | $5,125.00 |
PIC24F16KM204-I/PT Overview
A PIC24F microcontroller is a 16-bit RISC MCU built on a modified Harvard architecture with single-cycle instruction execution, designed for ultra-low-power embedded applications where 8-bit MCUs are too slow but 32-bit parts would over-shoot cost. It sits in the hierarchy: MCU -> microcontroller -> 16-bit MCU -> PIC24F family -> XLP low-power sub-family, and combines deterministic interrupt latency, fast context switching, and rich peripherals suited to consumer, industrial, medical and IoT products.
Key differentiating features include: 16 MIPS throughput at 32MHz, deep sleep current of just 25 nA typical with RTCC running, on-chip 12-bit A/D converter with up to 500 ksps throughput, integrated op-amp and 8-bit DAC that eliminate external analog components, and 25 mA source/sink current on I/O. The CLC peripheral lets designers implement custom glue logic in hardware without external gates.
Architecturally, the PIC24F16KM204-I/PT uses a 16-bit modified Harvard core with separate program (Flash) and data (RAM) buses, a 17x17 hardware multiplier, and a 32-bit barrel shifter, enabling efficient C code execution and DSP-class operations. The XLP design integrates multiple power domains so that peripherals can run independently while the CPU sleeps, dramatically extending battery life in energy-harvesting or remote-sensor designs.
Typical applications include battery-powered IoT sensor nodes, low-power wireless remotes, portable medical devices such as glucose meters and pulse oximeters, capacitive-touch human-interface panels, and small appliance controllers. The wide peripheral mix also supports HVAC sensor conditioning, fan/valve drivers, and smart metering front-ends.
Designers should note that the -I/PT suffix denotes the industrial temperature grade (-40C to +85C) and TQFP-44 package. The 44-pin 10x10 mm TQFP simplifies hand prototyping compared to TLFN/MLF variants but consumes more board area, so engineers in space-constrained designs may prefer PIC24F16KM204-I/ML from the same family.
This page synthesizes distributor pricing tiers, drop-in alternatives in the same TQFP-44 package, and application design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC24F16KM204-I/PT — 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 PIC24F16KM204-I/PT (same form factor and footprint) — differing in Operating Temperature, ADC, Core Architecture, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F16KM104-I/PT
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC24F16KA304-I/PT
✅ Drop-In✓ In Stock
$4.12 / Unit
View Datasheet →PIC24EP64MC204-I/PT
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC24EP64GP206-I/PT
✅ Drop-In✓ In Stock
$3.8 / Unit
View Datasheet →PIC24EP512GP206-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24F16KM202-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.04 / Unit
View Datasheet →dsPIC33EP16GP202-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24F16KM204-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit RISC (modified Harvard) |
| Program Memory (Flash) | 16 KB (5.5K x 24 instructions) |
| Data RAM | 2 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 12-bit, 500 ksps, multiple channels |
| DAC | 8-bit, 1 channel |
| Operational Amplifiers | 2 on-chip op-amps |
| Comparators | 2 on-chip comparators |
| Configurable Logic Cell (CLC) | Yes |
| PWM / Capture / Compare | MCCP and SCCP modules |
| Deep Sleep Current | 25 nA typical (RTCC running) |
| Operating Temperature | -40C to +85C (industrial grade, -I) |
| Package | 44-pin TQFP (10x10 mm), PT suffix |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
PIC24F16KM204-I/PT Pin Configuration
| Pin 1 | RP5 — Remappable I/O / PWM output |
| Pin 2 | RP6 — Remappable I/O / PWM output |
| Pin 3 | RP7 — Remappable I/O / PWM output |
| Pin 4 | RP8 — Remappable I/O / PWM output |
| Pin 5 | RP9 — Remappable I/O / PWM output |
| Pin 6 | VSS — Ground |
| Pin 7 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 8 | RP10 — Remappable I/O |
| Pin 9 | RP11 — Remappable I/O |
| Pin 10 | RP12 — Remappable I/O |
| Pin 11 | RP13 — Remappable I/O |
| Pin 12 | RP14 — Remappable I/O |
| Pin 13 | OSC1 — Crystal oscillator input |
| Pin 14 | OSC2 — Crystal oscillator output |
| Pin 15 | VSS — Ground |
| Pin 16 | RP15 — Remappable I/O |
| Pin 17 | RP0 — Remappable I/O |
| Pin 18 | RP1 — Remappable I/O |
| Pin 19 | RP2 — Remappable I/O |
| Pin 20 | RP3 — Remappable I/O |
| Pin 21 | RP4 — Remappable I/O |
| Pin 22 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 23 | VSS — Ground |
| Pin 24 | RA0 — Analog input / DAC output |
| Pin 25 | RA1 — Analog input / DAC reference |
| Pin 26 | RA2 — Analog input |
| Pin 27 | RA3 — Analog input |
| Pin 28 | RA4 — Analog input |
| Pin 29 | RA5 — Analog input |
| Pin 30 | VSS — Ground |
| Pin 31 | VCAP — Internal regulator output (decoupling cap) |
| Pin 32 | RB0 — Programmable I/O |
| Pin 33 | RB1 — Programmable I/O |
| Pin 34 | RB2 — Programmable I/O |
| Pin 35 | RB3 — Programmable I/O |
| Pin 36 | RB4 — Programmable I/O |
| Pin 37 | RB5 — Programmable I/O |
| Pin 38 | RB6 — Programmable I/O |
| Pin 39 | RB7 — Programmable I/O |
| Pin 40 | RB8 — Programmable I/O |
| Pin 41 | RB9 — Programmable I/O |
| Pin 42 | RB10 — Programmable I/O |
| Pin 43 | RB11 — Programmable I/O |
| Pin 44 | MCLR — Master Clear (reset, active-low) |
Typical Applications
PIC24F16KM204-I/PT is suitable for 6 applications: Battery-Powered IoT Sensor Node, Portable Medical Device Controller, Capacitive Touch User Interface, HVAC Sensor Conditioning Module, Small Appliance Motor Controller, Smart Metering Front-End.
Battery-Powered IoT Sensor Node
The PIC24F16KM204-I/PT's 25 nA typical deep sleep current and fast wake-up to 32 MHz/16 MIPS make it ideal for coin-cell powered wireless sensor nodes. The integrated 12-bit ADC and on-chip op-amps condition sensor signals without external components, while the 8-bit DAC drives calibration bias networks. With 16KB Flash it accommodates LoRaWAN or BLE stack plus sensor firmware, and the 2KB RAM holds stack frames plus sensor history buffers. According to the Microchip PIC24F KM datasheet, the XLP sleep modes plus RTCC enable multi-year battery life in periodic-transmission applications such as utility metering or environmental monitoring.
Recommended
Portable Medical Device Controller
The PIC24F16KM204-I/PT powers handheld medical devices such as glucose meters, pulse oximeters, and ambulatory infusion pumps where low noise, deterministic response and reliable ADC are mandatory. Its 12-bit ADC at 500 ksps and dual on-chip op-amps drive photodiode front-ends directly, while the 8-bit DAC generates stimulus bias for impedance measurements. The 32 MHz performance executes FIR-filtered SpO2 calculations in real time. Per Microchip documentation, the industrial -40C to +85C grade covers clinical-environment thermal requirements, and the 44-pin TQFP simplifies hand-probing during certification.
Recommended
Capacitive Touch User Interface
The PIC24F16KM204-I/PT's CLC peripheral, 12-bit ADC, and configurable hardware timing make it well-suited for capacitive touch and slider interfaces in consumer appliances. The on-chip op-amps drive the charge-transfer measurement front-end, and the XLP deep sleep keeps quiescent power below 1 uA when no touch is detected. With 16KB Flash it implements CTMU (Charge Time Measurement Unit) libraries for 8-16 button panels or slider/wheel designs. According to the Microchip application notes, the PPS pin mapping simplifies PCB layout where touch electrodes are scattered across board area.
Recommended
HVAC Sensor Conditioning Module
The PIC24F16KM204-I/PT operates reliably in industrial HVAC control boards where multiple analog sensors (temperature, humidity, pressure, airflow) must be conditioned and transmitted. Its 12-bit ADC plus dual on-chip op-amps handle sensor signal scaling without external active components, while the comparators provide over-limit alarms directly. The 32 MHz throughput runs averaging/PID control loops with 1 ms loop times. Per Microchip XLP documentation, the deep sleep modes reduce idle power on battery-backed HVAC nodes, and the 44-pin TQFP gives enough I/O for keypad + display + sensor interfaces.
Recommended
Small Appliance Motor Controller
The PIC24F16KM204-I/PT's MCCP/SCCP PWM modules drive small brushless DC or brushed DC motors for blenders, fans, vacuum cleaners and pumps where compact size and low standby power are required. The 12-bit ADC reads back EMF or current shunt signals for closed-loop control, and the CLC implements commutation logic in software-friendly peripheral blocks. The 44-pin TQFP has enough headroom for 3-phase gate driver interfaces plus RS-485 communications. Per Microchip application notes, the XLP sleep plus RTCC enables appliance standby power below 100 mW per Energy Star requirements.
Recommended
Smart Metering Front-End
The PIC24F16KM204-I/PT fits residential electricity, water, and gas metering front-ends that must operate from a single 3.3 V rail for over a decade. Its 25 nA deep sleep current preserves coin-cell backup during power outages, and the 12-bit ADC at 500 ksps handles pulse counting plus metrology calculations. The 16KB Flash holds anti-tamper firmware, and the 2KB RAM supports rolling energy-usage buffers. Per Microchip documentation, the on-chip op-amps amplify shunt signals directly, and AES-capable firmware on PPS-mapped peripherals secures AMI uplinks.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F16KM204-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F16KM104-I/PT | PIC24F16KA304-I/PT | PIC24EP64MC204-I/PT | PIC24EP64GP206-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Max Speed | PIC24F / 32 MHz (16 MIPS) | PIC24F / 32 MHz (16 MIPS) | PIC24F / 32 MHz (16 MIPS) | PIC24EP / 70 MHz (70 MIPS) | PIC24EP / 70 MHz (70 MIPS) |
| Flash Memory | 16 KB | 16 KB (same) | 16 KB (same) | 64 KB (+300%) | 64 KB (+300%) |
| RAM | 2 KB | 1 KB (-50%) | 2 KB (same) | 8 KB (+300%) | 8 KB (+300%) |
| ADC | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, enhanced | 12-bit, enhanced |
| On-chip Op-Amps | Yes (2x) | Yes (2x) | No | No | No |
| Deep Sleep Current | 25 nA typical | 25 nA typical | 20 nA typical | Not specified (no XLP) | Not specified (no XLP) |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Price (1 pc, USD, as of 2026-09-29) | 3.95 | 3.85 (-3%) | 3.80 (-4%) | 5.95 (+51%) | 5.85 (+48%) |
Key Differentiators
- On-chip dual op-amps + 12-bit ADC reduce BOM (vs PIC24F16KA304-I/PT)
- XLP deep sleep with 25 nA typical current (vs PIC24EP64GP206-I/PT)
- Configurable Logic Cell (CLC) for hardware glue logic (vs PIC24F16KM104-I/PT)
- TQFP-44 hand-prototype-friendly footprint (vs PIC24F16KM204-E/ML (QFN-44))
Design Notes
Estimated: at 32 MHz and 3.3 V, the PIC24F16KM204-I/PT core draws approximately 8-10 mA active current, plus I/O contribution. To meet Energy Star standby targets below 100 mW for AC-powered appliances, switch to deep sleep (RTCC running) which drops the part to ~25 nA typical. Always place a 10 uF + 0.1 uF Vcap decoupling capacitor within 5 mm of the TQFP VCAP pin to stabilize the internal regulator, per Microchip datasheet recommendations.
Place the 32.768 kHz crystal for RTCC as close as possible to SOSC1/SOSC2 with short traces and a guard ground ring to avoid injecting digital switching noise into low-power sleep timing. For TQFP-44 layout, provide a continuous ground plane under the IC and route analog AVss/AVdd separately from digital Vss/VDD, joining at a single point at the PCB ground return. Maintain at least 6 mil trace width with 12 mil spacing for sensitive analog signal paths from the on-chip op-amps.
When using PPS to remap UART/SPI/I2C pins, ensure the chosen physical pin can support the desired peripheral function (some pins are input-only or lack change notification). The PIC24F KM family datasheet's PPS mapping table (Section 11) is authoritative. For EMI-sensitive applications, enable slew-rate limiting on high-frequency PWM output pins, and keep PWM traces away from the ADC analog input pins with a ground trace between them.
Do not forget the MCLR pull-up resistor (typically 10 kohm) or to leave MCLR disabled via the CONFIG register if unused, otherwise the part may fail to start under noisy supply conditions. The internal VCAP regulator must be decoupled with a low-ESR 10 uF ceramic cap; electrolytic capacitors are not recommended. The 12-bit ADC accuracy degrades if the acquisition time is set too short for high-impedance sources - use at least 1 us acquisition with 5 kohm source impedance per datasheet section 7.
Compliance Information
RoHS compliant and lead-free matte-tin finish per Microchip product page. Not AEC-Q100 qualified; use PIC24F Q1 variants for automotive. Halogen-free per Microchip environmental certification.