PIC24F04KA200T-I/ST - 4KB Flash 16-bit XLP MCU | Microchip
MPN: PIC24F04KA200T-I/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.24 | $3.24 |
| 10 | $2.94 | $29.40 |
| 100 | $2.62 | $262.00 |
| 500 | $2.31 | $1,155.00 |
| 1,000 | $1.99 | $1,990.00 |
PIC24F04KA200T-I/ST Overview
A 16-bit microcontroller (MCU) is an embedded processor whose arithmetic logic unit operates on 16-bit data words in a single instruction, balancing code density and throughput for low-to-mid power applications. The PIC24F family sits in Microchip's hierarchy below 32-bit PIC32 and ARM Cortex-M MCUs but above 8-bit PIC16/PIC18, targeting ultra-low-power battery and energy-harvesting designs where processing headroom beyond 8 bits is required but system cost must stay minimal. The 'XLP' (eXtreme Low Power) designation indicates specialized low-power peripherals such as DSBOR, DSWDT, and RTCC retained in deep sleep.
Key features include 4 KB flash (1.375K x 24 instructions), 512 bytes SRAM, hardware multiplier, 3 x 16-bit timers, 2 x UART, 1 x SPI, 1 x I2C, 10-bit 500 ksps ADC with up to 9 channels, and 12 I/O pins with interrupt-on-change. The device supports -40C to +85C industrial temperature operation and offers 5 x 5 mm TSSOP-14 form factor compatible with hand-solderable prototypes.
The PIC24F04KA200 architecture combines a modified Harvard RISC core with DSP-like instructions, enabling efficient C compilation while retaining small code footprint. The nanoWatt XLP technology extends battery life through multiple sleep modes including deep sleep with RTCC retention at sub-microamp currents, making the family suitable for always-on IoT endpoints and remote sensor nodes.
Typical applications include IoT sensor nodes, battery-powered medical wearables, home automation peripherals, smart meters, remote controls, and consumer electronics requiring low-power 16-bit processing. The TSSOP-14 package is preferred when PCB area is constrained but moderate I/O count suffices.
When designing with this device, ensure the ICSP programming interface pins (PGEDx/PGECx) are accessible for in-circuit programming. The internal oscillator can drift over temperature; use the RTCC calibration for time-critical applications. Always derate the ADC input impedance per datasheet for accurate conversions above 200 ksps.
This page synthesizes distributor pricing across 11+ sources, drop-in compatible alternatives within the PIC24F family, and practical design notes drawn from Microchip application notes - information not consolidated on any single manufacturer or distributor page.
Drop-in alternatives for PIC24F04KA200T-I/ST — 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 PIC24F04KA200T-I/ST (same form factor and footprint) — differing in Package, ADC, Timers, Core Architecture, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F04KA200-I/ST
✅ Drop-In✓ In Stock
$1.42 / Unit
View Datasheet →PIC24F04KA201-I/ST
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24F08KA200T-I/ST
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24F16KA100T-I/ST
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC18F14K22-I/ST
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24F04KA200T-I/ST Maximum Ratings & Electrical Characteristics
| Program Memory Size | 4 KB (1.375K x 24 instructions) Flash |
| RAM Size | 512 bytes |
| Core Architecture | 16-bit PIC24F modified Harvard RISC |
| CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 3.6 V |
| I/O Pins | 12 |
| ADC | 10-bit, 500 ksps, up to 9 channels |
| Timers | 3 x 16-bit |
| Communication | 2 x UART, 1 x SPI, 1 x I2C |
| Oscillator | Internal |
| Low-Power Technology | nanoWatt XLP (deep sleep, DSBOR, DSWDT, RTCC) |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 14-TSSOP (4.40 mm width) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC24F04KA200T-I/ST Pin Configuration
| Pin 1 | RA0/AN0/CVD — GPIO / Analog input / Capacitive voltage divider |
| Pin 2 | RA1/AN1/CVD — GPIO / Analog input / Capacitive voltage divider |
| Pin 3 | RA2/AN2 — GPIO / Analog input |
| Pin 4 | RA3/MCLR — GPIO / Master Clear (reset) input |
| Pin 5 | VSS — Ground |
| Pin 6 | RA4/OSC1/CLKIN — GPIO / Crystal oscillator input / External clock |
| Pin 7 | RA5/OSC2/CLKOUT — GPIO / Crystal oscillator output / Clock output |
| Pin 8 | VDD — Positive supply voltage |
| Pin 9 | RB4/SDA1 — GPIO / I2C data line |
| Pin 10 | RB5/SCL1 — GPIO / I2C clock line |
| Pin 11 | RB6/PGC — GPIO / ICSP programming clock |
| Pin 12 | RB7/PGD — GPIO / ICSP programming data |
| Pin 13 | RB8/AN8 — GPIO / Analog input |
| Pin 14 | RB9/AN9 — GPIO / Analog input |
Typical Applications
PIC24F04KA200T-I/ST is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Wearable Medical Devices, Smart Home Automation, Smart Meters and Utility Monitoring, Remote Controls and Consumer Electronics, Industrial Sensor Modules.
Battery-Powered IoT Sensor Nodes
The PIC24F04KA200T-I/ST fits battery-powered IoT sensor nodes through its nanoWatt XLP technology delivering sub-microamp deep sleep current with RTCC retention. The 4 KB flash supports small sensor-fusion firmware while 512 bytes RAM handles periodic measurement buffers. At 1.8V-3.6V operation the MCU accepts direct coin-cell or lithium battery input without regulators, and the 10-bit ADC at 500 ksps handles temperature, humidity, and analog sensor reads. Compared to 8-bit PIC16 alternatives, the 16-bit core (16 MIPS) processes sensor data faster, reducing wake time and total energy per measurement cycle - critical for multi-year battery life targets.
Recommended
Wearable Medical Devices
Medical wearables use the PIC24F04KA200T-I/ST for its low-power profile and small TSSOP-14 footprint enabling compact PCB designs. Deep sleep below 1 uA preserves battery life during idle periods while the 16 MIPS core handles heart rate, SpO2, or motion sensor fusion on wake. The 1.8V-3.6V range supports direct Li-ion battery connection, eliminating boost converters. Its industrial -40C to +85C temperature range tolerates body-worn thermal environments, while the 10-bit ADC at 500 ksps captures biometric signals with sufficient resolution for health monitoring algorithms.
Recommended
Smart Home Automation
Smart home automation hubs and endpoints leverage the PIC24F04KA200T-I/ST for cost-sensitive wireless sensor nodes that communicate via UART/SPI to external radios. The 4 KB flash accommodates Zigbee or BLE application layer code while deep sleep current extends coin-cell life to years. The 12 GPIO pins drive LED indicators, buttons, and relay outputs directly. Hardware I2C/SPI peripherals support sensor and radio interfacing without bit-banging overhead, freeing the 16 MIPS core for control logic. Operating at 3.3V matches common wireless module supply rails.
Recommended
Smart Meters and Utility Monitoring
Utility smart meters benefit from the PIC24F04KA200T-I/ST combination of low power, industrial temperature range, and robust peripherals. The RTCC with calibration enables accurate time-stamping for billing-grade metering, while deep sleep extends battery backup during outages. The 10-bit ADC reads pulse-output meters and analog sensors at 500 ksps. With 4 KB flash, the MCU handles metering algorithms, tamper detection, and communication stacks. TSSOP-14 packaging allows compact meter electronics where PCB real estate is constrained by socket form factors.
Recommended
Remote Controls and Consumer Electronics
Consumer remote controls and IR-operated devices fit the PIC24F04KA200T-I/ST profile of low power, small package, and adequate processing. The 16 MIPS core decodes IR protocols or runs BLE remote stacks in real time while deep sleep below 1 uA preserves coin cells across years of standby. Hardware UART/SPI support direct radio chip interfacing, and 12 GPIO pins drive keypad matrix, LED feedback, and IR emitter outputs. The 1.8V minimum supply accepts depleted battery voltage without regulator overhead, simplifying BOM cost.
Recommended
Industrial Sensor Modules
Industrial sensor modules use the PIC24F04KA200T-I/ST for its -40C to +85C industrial temperature rating and robust peripheral set. The 16 MIPS core handles MODBUS RTU communication, sensor linearization, and fault detection algorithms. Deep sleep with RTCC retention enables battery-backed field sensors that wake periodically to transmit telemetry. The 1.8V-3.6V range supports 3.3V industrial bus power directly, while 12 GPIO pins accommodate digital I/O expansion via I/O expanders. Its TSSOP-14 footprint fits standard 2.54 mm pitch terminal block modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F04KA200T-I/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F04KA200-I/ST | PIC24F04KA201-I/ST | PIC24F08KA200T-I/ST | PIC24F16KA100T-I/ST | PIC18F14K22-I/ST |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same |
| Core | 16-bit PIC24F | 16-bit PIC24F | 16-bit PIC24F | 16-bit PIC24F | 16-bit PIC24F | 8-bit PIC18 |
| Flash Memory | 4 KB | 4 KB | 4 KB | 8 KB | 16 KB | 16 KB |
| RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 1.5 KB | 768 bytes |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 64 MHz / 16 MIPS (8-bit) |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 5.5V |
| I/O Pins | 12 | 12 | 12 | 12 | 12 | 12 |
| ADC | 10-bit, 500 ksps | 10-bit, 500 ksps | 10-bit, 500 ksps | 10-bit, 500 ksps | 10-bit, 500 ksps | 10-bit, 200 ksps |
Key Differentiators
- Industrial temperature range with XLP nanoWatt technology (vs PIC18F14K22-I/ST)
- Lower cost for matched memory footprint (vs PIC24F08KA200T-I/ST)
- 16-bit DSP-friendly core architecture (vs PIC18F14K22-I/ST)
Design Notes
The PIC24F04KA200T-I/ST's nanoWatt XLP technology provides deep sleep currents below 1 uA with RTCC retention, but only when all peripherals are properly disabled before sleep entry. Sequence peripherals in this order: disable ADC, switch unused pins to digital outputs (not analog), disable unused peripherals via PMDx registers, then issue PWRSAV instruction. Without peripheral gating, deep sleep current can exceed 10 uA, dramatically shortening coin-cell battery life in sensor node applications.
Place a 0.1 uF decoupling capacitor as close as possible to the VDD pin (pin 8) with trace length under 5 mm. Add a bulk 10 uF capacitor on the same supply rail within 25 mm. The 14-TSSOP package's exposed thermal pad is not present on this part - ground is pin 5 (VSS). For ICSP programming access, route PGC (pin 11) and PGD (pin 12) to a programming header without series resistors greater than 100 ohm to ensure reliable in-circuit programming.
Do not leave unused I/O pins floating - configure as digital outputs tied low to minimize leakage current in sleep modes. The MCLR pin (pin 4) requires a 10 kohm pull-up to VDD if not used for external reset. The internal oscillator accuracy is typically +/- 2% over temperature; for UART communication use the RTCC calibration register or external crystal for reliable baud rates above 9600. Above 200 ksps ADC sampling, source impedance above 2.5 kohm introduces gain errors - use a low-impedance buffer or reduce sampling rate.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade only - not AEC-Q100 qualified for automotive applications. Lead-free and halogen-free per Microchip environmental compliance documentation.
