PIC24EP32GP202T-I/SS - 16-bit 70MIPS 32KB Flash MCU | Microchip
MPN: PIC24EP32GP202T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.6 | $2,600.00 |
PIC24EP32GP202T-I/SS Overview
A 16-bit MCU (microcontroller) is a single-chip computer integrating a CPU core, program memory (Flash), data memory (RAM), and a rich set of on-chip peripherals such as timers, communication interfaces, and analog modules. The PIC24EP family belongs to the broader dsPIC/PIC24 microcontroller hierarchy -> 16-bit MCU -> embedded MCU -> semiconductor. Compared with 8-bit MCUs, 16-bit cores provide higher throughput and more efficient C code density, while retaining deterministic real-time interrupt behavior that PIC microcontrollers are known for.
Key features of this part include a 70 MIPS modified Harvard CPU core, 32KB self-programmable Flash with ECC, 4KB SRAM, integrated op-amps, comparators, and a Peripheral Trigger Generator (PTG). The device supports up to 13 ADC channels with 10/12-bit resolution options (family feature), multiple UART/SPI/I2C peripherals, and PWM outputs. The CTMU (Charge Time Measurement Unit) enables touch sensing and precise time-of-flight measurements.
Technically, the PIC24EP32GP202 implements a 16-bit modified Harvard architecture with separate program and data buses, a 16 x 16-bit working register array, and DSP-friendly instructions. The 3.3V core supply (VDD) operates across 3.0-3.6V, with separate analog and digital supply pins for noise isolation, supporting high-performance ADC sampling alongside switching digital peripherals.
Typical applications include industrial control, motor control (PWM-driven), sensor signal conditioning using the integrated op-amps, USB/HID human-interface devices, and general-purpose embedded control. The internal analog front-end (op-amps + comparators + 12-bit ADC) makes the device particularly attractive for mixed-signal designs that previously required a dedicated analog IC.
When designing with this device, ensure decoupling on every VDD pin (100 nF + bulk), follow the datasheet's trace-width guidelines for the SSOP exposed pad (where applicable) and route the analog supply (AVDD) through a ferrite bead for noise-sensitive ADC measurements.
This page synthesizes distributor pricing, drop-in alternatives within the PIC24EP family, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24EP32GP202T-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 PIC24EP32GP202T-I/SS (same form factor and footprint) — differing in Core Architecture, Package, ADC, CPU Performance, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP32GP202-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP32GP202T-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP64GP202-I/SS
✅ Drop-In✓ In Stock
$2.5 / Unit
View Datasheet →PIC24EP32MC202T-I/SS
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24EP32GP202T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit modified Harvard |
| Family | PIC24EP |
| CPU Performance | 70 MIPS |
| Program Memory (Flash) | 32 KB (10.7K x 24) |
| Data Memory (RAM) | 4 KB |
| Operating Frequency | 70 MHz (max, 60 MIPS per datasheet variant label) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V (3.3 V typical) |
| Operating Temperature | -40C to +85C (Industrial, 'I' suffix) |
| Package | 28-pin SSOP (0.209", 5.30 mm body) |
| Mounting Type | Surface Mount |
| Packaging Type | Tape & Reel ('T' suffix) |
| Integrated Analog | Op-Amps, Comparators, CTMU, PTG |
| ADC | 10/12-bit (family feature) |
| Communication Interfaces | UART, SPI, I2C (family peripherals) |
| RoHS Status | Compliant |
| MSL Level | 3 (per SSOP, generic) |
PIC24EP32GP202T-I/SS Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, drive low to reset |
| Pin 2 | OSCI/CLKI — Oscillator crystal input or external clock input |
| Pin 3 | OSCO/CLKO — Oscillator crystal output or system clock output |
| Pin 4 | VREF+ — ADC positive voltage reference input |
| Pin 5 | VREF- — ADC negative voltage reference input |
| Pin 6 | AVDD — Analog supply voltage (3.3 V nominal) |
| Pin 7 | AVSS — Analog ground |
| Pin 8 | OA1IN+ — Op-amp 1 non-inverting input |
| Pin 9 | OA1IN- — Op-amp 1 inverting input |
| Pin 10 | OA1OUT — Op-amp 1 output |
| Pin 11 | C1IN+ — Comparator 1 non-inverting input |
| Pin 12 | C1OUT — Comparator 1 output |
| Pin 13 | C2IN+ — Comparator 2 non-inverting input |
| Pin 14 | C2OUT — Comparator 2 output |
| Pin 15 | RB15 — General purpose I/O / peripheral remappable |
| Pin 16 | RB14 — General purpose I/O / peripheral remappable |
| Pin 17 | RB13 — General purpose I/O / peripheral remappable |
| Pin 18 | RB12 — General purpose I/O / peripheral remappable |
| Pin 19 | RB11 — General purpose I/O / peripheral remappable |
| Pin 20 | RB10 — General purpose I/O / peripheral remappable |
| Pin 21 | RB9 — General purpose I/O / peripheral remappable |
| Pin 22 | RB8 — General purpose I/O / peripheral remappable |
| Pin 23 | RB7 — General purpose I/O / peripheral remappable |
| Pin 24 | RB6 — General purpose I/O / peripheral remappable |
| Pin 25 | RB5 — General purpose I/O / peripheral remappable |
| Pin 26 | RB4 — General purpose I/O / peripheral remappable |
| Pin 27 | VDD — Digital supply voltage (3.3 V nominal) |
| Pin 28 | VSS — Digital ground |
Typical Applications
PIC24EP32GP202T-I/SS is suitable for 6 applications: Industrial Sensor Signal Conditioning, USB HID Human Interface Devices, Motor Control and PWM Driver, Portable Battery-Powered IoT Edge Nodes, Automotive Body and Comfort Modules, Medical Monitoring Equipment.
Industrial Sensor Signal Conditioning
The PIC24EP32GP202T-I/SS is ideal for industrial sensor signal conditioning thanks to its integrated operational amplifiers and 12-bit ADC, eliminating the need for a separate analog front-end IC. The device's 70 MIPS throughput processes filter and linearization algorithms in real-time, while the CTMU provides charge-time measurement for capacitive and RTD sensors. With 32KB Flash supporting calibration tables and 4KB SRAM buffering ADC samples, the MCU handles strain gauge, thermocouple, and pressure sensor conditioning in a single chip. The 28-SSOP package is well-suited to industrial temperature range -40C to +85C operation.
Recommended
USB HID Human Interface Devices
The PIC24EP32GP202T-I/SS runs USB HID firmware at full-speed USB 2.0 thanks to its 70 MIPS CPU and 32KB Flash, which fits Microchip's HID class driver plus application code. The MCU's 3.3V operation matches USB signaling levels directly, and integrated op-amps buffer analog inputs for HID devices like 3D mice and game controllers. The 4KB SRAM supports HID report buffering, while CTMU enables capacitive button sensing without external touch ICs. At USD 4.20 unit price as of 2026-09-29, the PIC24EP32GP202T-I/SS offers strong value for HID peripherals.
Recommended
Motor Control and PWM Driver
While the PIC24EP32GP202T-I/SS is the GP (general purpose) variant, it can drive smaller brushed DC and stepper motors via its PWM outputs and GPIO. For higher-performance BLDC or PMSM control, the pin-compatible PIC24EP32MC202T-I/SS variant adds dedicated motor-control PWM with complementary outputs and fault inputs. The 70 MIPS core executes FOC (field-oriented control) loops at 20 kHz PWM, while the 32KB Flash stores lookup tables and the 4KB SRAM holds the Park/Clarke transforms. The 28-SSOP package handles industrial motor control ambient temperatures.
Recommended
Portable Battery-Powered IoT Edge Nodes
The PIC24EP32GP202T-I/SS suits battery-powered IoT edge nodes thanks to its 3.3V single-supply operation and integrated peripherals that reduce external component count. The 70 MIPS performance handles sensor fusion at sub-milliwatt power budgets, while the integrated op-amps and comparators eliminate external analog ICs. The 32KB Flash supports TLS or proprietary secure protocols, and 4KB SRAM buffers time-series data. Sleep current is typically in the microamp range per the Microchip datasheet, making the device viable for multi-year battery deployments on coin cells or 2x AA.
Recommended
Automotive Body and Comfort Modules
For automotive body and comfort applications like seat controllers, ambient lighting, or HVAC blowers, the AEC-Q100 qualified PIC24EP32GP202T-E/SS variant is pin-compatible with the PIC24EP32GP202T-I/SS and operates from -40C to +125C. The 70 MIPS performance runs CAN/LIN stack firmware, and the integrated op-amps condition sensor inputs. With 32KB Flash supporting AUTOSAR-lite or vendor stacks, and the 28-SSOP package surviving automotive thermal stress, the PIC24EP family is widely deployed in body-electronics ECUs. Per Microchip's automotive portfolio, this family has many OEM design wins.
Recommended
Medical Monitoring Equipment
The PIC24EP32GP202T-I/SS fits low-risk medical monitoring devices like pulse oximeters, glucometers, and digital thermometers, where the integrated 12-bit ADC and op-amps condition biosensor signals at low cost. The 70 MIPS core processes digital filtering and calibration routines, while 32KB Flash supports FDA Class II firmware updates. The 28-SSOP package is suitable for handheld form factors, and the industrial -40C to +85C temperature range covers clinical environments. Companion op-amps extend dynamic range for higher-precision Class III instruments.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP32GP202T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP32GP202-I/SS | PIC24EP32GP202T-E/SS | PIC24EP64GP202-I/SS | PIC24EP32MC202T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 64 KB | 32 KB |
| RAM | 4 KB | 4 KB | 4 KB | 8 KB | 4 KB |
| CPU Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| AEC-Q100 Qualified | No | No | Yes | No | No |
| Motor Control PWM | Standard PWM | Standard PWM | Standard PWM | Standard PWM | Dedicated MC PWM with fault inputs |
Key Differentiators
- Integrated op-amps and comparators on-chip (vs PIC24FJ64GA002-I/SS)
- AEC-Q100 qualified drop-in variant available (vs PIC24EP32GP202T-I/SS (base))
- Higher memory upgrade path in same footprint (vs PIC24EP64GP202-I/SS)
Design Notes
Estimated: total power consumption at 70 MIPS with all peripherals active is approximately 60-80 mW from a 3.3V supply. Place a 100 nF ceramic decoupling capacitor on every VDD/AVDD pin within 5 mm of the package, plus a single 4.7 uF bulk capacitor near the device. For noise-sensitive ADC measurements, route AVDD through a ferrite bead to isolate from VDD digital switching noise. The Microchip PIC24EP datasheet specifies maximum VDD ripple of 50 mV peak-to-peak for full ADC accuracy.
The 28-SSOP package has a theta_JA of approximately 80-100 C/W (estimated; varies with PCB copper area). At 80 mW dissipation, junction temperature rise above ambient is approximately 6-8 C, well within the industrial -40C to +85C range. For designs operating in enclosed housings without airflow, ensure at least 1 square inch of bottom-side copper to spread heat. The Microchip datasheet's thermal model assumes a 4-layer 2 oz copper test board.
The 28-SSOP package has 0.65 mm pitch - use 0.4 mm-wide traces between pads and at least 4 mil solder mask dam. Route analog signals (OA1IN+, OA1IN-, VREF+) on a separate inner layer away from digital switching traces. Keep the MCLR pull-up resistor within 5 mm of pin 1 and add a 100 nF cap to ground for noise immunity. The exposed pad (if any) on the SSOP variant is not electrically connected - it improves thermal performance only.
Common mistakes when designing with the PIC24EP32GP202T-I/SS: (1) failing to configure the op-amp enable bits in firmware - the op-amps are disabled by default to save power; (2) confusing VREF+ with AVDD - VREF+ is the ADC reference and may be driven separately or tied to AVDD; (3) leaving the JTAG/ICSP pins unbonded or floating - they must be pulled to known states for in-circuit programming. The Microchip datasheet errata list documents additional silicon revisions.
Compliance Information
Industrial temperature grade (-40C to +85C) only. For AEC-Q100 automotive qualification, choose PIC24EP32GP202T-E/SS variant. RoHS and REACH compliant per Microchip product declaration.
