PIC24EP128MC202T-E/SS - 16-bit 128KB Flash MCU 60MIPs | Microchip
MPN: PIC24EP128MC202T-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.95 | $5.95 |
| 10 | $5.42 | $54.20 |
| 100 | $4.78 | $478.00 |
| 500 | $4.31 | $2,155.00 |
| 1,000 | $3.85 | $3,850.00 |
PIC24EP128MC202T-E/SS Overview
A 16-bit microcontroller (MCU) is a programmable system-on-chip that combines a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich peripheral set in a single package. The PIC24EP family specifically belongs to the dsPIC33/PIC24E Harvard architecture class - a modified Harvard design where instruction and data buses are separated for predictable throughput. Within the broader taxonomy, the PIC24EP sits under MCU -> microcontroller -> embedded processor -> semiconductor, and the MC-flavored sub-family adds dedicated motor-control peripherals (high-speed PWM, quadrature encoder interface, op amps, and high-speed ADC) that distinguish it from the GP-flavored general-purpose siblings in the same silicon generation.
Key features include 128 KB (43K x 24) Flash, 16 KB RAM, 4 KB EEPROM, 21 I/O pins, dual 10-bit/12-bit ADC up to 500 ksps, three 16-bit timers, one 32-bit timer, three analog comparators, four 16-bit PWM channels with 7.14 ns resolution, and two on-chip op amps. The integrated Peripheral Trigger Generator (PTG), CTMU charge-time measurement unit, and JTAG boundary scan complete the on-chip glue logic. The SSOP-28 footprint (5.30 mm body width, 0.65 mm pitch) is the smallest AEC-Q100 qualified package in the PIC24EP MC family, easing layout on space-constrained motor-drive daughter-cards.
Architecture-wise the PIC24EP MC202 uses a 5-stage pipeline, a hardware DSP engine for MAC operations, and a 16-bit-wide program word with a 24-bit instruction width. The high-speed 12-bit ADC and analog comparator pairings allow sub-microsecond current-loop sampling, which is the defining capability for sensorless FOC motor control. The integrated op-amps can condition phase-current sense resistors directly without external instrumentation stages.
Typical applications include BLDC/PMSM motor control (sensorless FOC and trapezoidal commutation), field-oriented control for industrial drives, automotive body electronics, switch-mode power-supply digital control, and LED lighting controllers. The wide -40 C to +125 C operating range and AEC-Q100 qualification make it a strong fit for under-hood and chassis systems.
Designers should plan for an external 8 MHz primary oscillator with PLL configured for 70 MIPS operation; the PLL setup is documented in the device datasheet's oscillator section. Brown-out reset must be enabled in configuration words for automotive applications. JTAG pads share pins with the high-speed PWM outputs - confirm pin mapping before committing to PCB layout.
This page synthesizes distributor pricing, drop-in same-family alternatives (PIC24EP128MC202-H/SS, PIC24EP128MC202-E/SP, PIC24EP128MC202T-E/MM, etc.), and design notes beyond what the manufacturer datasheet provides in isolation.
Drop-in alternatives for PIC24EP128MC202T-E/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 PIC24EP128MC202T-E/SS (same form factor and footprint) — differing in ADC, Package, PWM Channels, Operating Temperature, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP128MC202-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP128MC202-H/SS
✅ Drop-In✓ In Stock
$4.11 / Unit
View Datasheet →PIC24EP128MC202-E/SP
✅ Drop-In✓ In Stock
$4.2 / Unit
View Datasheet →PIC24EP128MC202-H/SP
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC24EP128MC202T-E/MM
✅ Drop-In✓ In Stock
$4.39 / Unit
View Datasheet →PIC24EP128MC202T-E/SS Maximum Ratings & Electrical Characteristics
| Core | PIC24E (16-bit dsPIC/PIC) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data RAM | 16 KB |
| Data EEPROM | 4 KB |
| CPU Performance | 70 MIPS (max) |
| Operating Frequency (max) | 60 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 1 x 12-bit, 500 ksps; 1 x 10-bit |
| PWM Channels | 4 x 16-bit (7.14 ns resolution) |
| Timers | 3 x 16-bit, 1 x 32-bit |
| Analog Comparators | 3 |
| Op Amps | 2 on-chip |
| Communication | UART, SPI, I2C, ECAN |
| Operating Temperature | -40 C to +125 C (E = Extended) |
| Package | 28-SSOP (5.30 mm body, 0.65 mm pitch) |
| Mounting Type | Surface Mount |
| Automotive Grade | AEC-Q100 qualified |
| RoHS Status | Compliant |
PIC24EP128MC202T-E/SS Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, active-low |
| Pin 2 | OSCI/RA2 — Oscillator input or GPIO |
| Pin 3 | OSCO/RA3 — Oscillator output or GPIO |
| Pin 4 | VDD — Digital supply voltage (3.0-3.6 V) |
| Pin 5 | VSS — Digital ground |
| Pin 6 | PWM1L/RP29 — PWM1 low-side output / remappable peripheral |
| Pin 7 | PWM1H/RP30 — PWM1 high-side output / remappable peripheral |
| Pin 8 | PWM2L/RP16 — PWM2 low-side output / remappable peripheral |
| Pin 9 | PWM2H/RP17 — PWM2 high-side output / remappable peripheral |
| Pin 10 | C1IN+/AN0/RP0 — Comparator 1 non-inverting / ADC input / remappable peripheral |
| Pin 11 | C1IN-/AN1/RP1 — Comparator 1 inverting / ADC input / remappable peripheral |
| Pin 12 | C2IN+/AN2/RP2 — Comparator 2 non-inverting / ADC input / remappable peripheral |
| Pin 13 | C2IN-/AN3/RP3 — Comparator 2 inverting / ADC input / remappable peripheral |
| Pin 14 | AVDD — Analog supply voltage (tie to VDD) |
| Pin 15 | AVSS — Analog ground |
| Pin 16 | C3IN+/AN8/OPA1IN+/RP7 — Comparator 3 / ADC / Op-Amp 1 input / remappable peripheral |
| Pin 17 | RB0/AN4 — PORTB I/O / ADC input |
| Pin 18 | RB1/AN5 — PORTB I/O / ADC input |
| Pin 19 | RB2/AN6 — PORTB I/O / ADC input |
| Pin 20 | RB3/AN7 — PORTB I/O / ADC input |
| Pin 21 | RB4/AN9/OPA1OUT — PORTB I/O / ADC / Op-Amp 1 output |
| Pin 22 | RB5/AN10/OPA2IN+ — PORTB I/O / ADC / Op-Amp 2 non-inverting input |
| Pin 23 | RB6/AN11/OPA2OUT — PORTB I/O / ADC / Op-Amp 2 output |
| Pin 24 | RB7/AN12 — PORTB I/O / ADC input |
| Pin 25 | RB8/RP4 — PORTB I/O / remappable peripheral |
| Pin 26 | RB9/RP5 — PORTB I/O / remappable peripheral |
| Pin 27 | RB10/RP6 — PORTB I/O / remappable peripheral |
| Pin 28 | VCAP — Internal LDO output - connect 10 uF + 0.1 uF decoupling |
Typical Applications
PIC24EP128MC202T-E/SS is suitable for 6 applications: Automotive BLDC Motor Control, Industrial Field-Oriented Control (FOC) Drives, Switch-Mode Power Supply (SMPS) Digital Control, LED Lighting Controllers, Automotive Body Electronics Modules, Robotics and Drone Motor Controllers.
Automotive BLDC Motor Control
The PIC24EP128MC202T-E/SS is purpose-built for automotive BLDC/PMSM motor control with 70 MIPS DSP throughput, 4 channels of 16-bit PWM at 7.14 ns resolution, and three on-chip analog comparators for back-EMF zero-cross detection. It supports sensorless FOC algorithms at 20 kHz PWM rates with current-loop sampling below 1 us, eliminating the external DSP+MCU split architecture that legacy designs required. AEC-Q100 Grade 1 qualification and the -40 C to +125 C operating envelope cover under-hood and chassis deployments such as HVAC blowers, coolant pumps, and electronic power-steering pumps.
Recommended
Industrial Field-Oriented Control (FOC) Drives
In industrial FOC drives, the PIC24EP128MC202T-E/SS handles Clarke/Park transforms, SVPWM modulation, and PI current loops at full 70 MIPS, while its integrated 12-bit ADC at 500 ksps captures phase currents from shunt resistors conditioned by the on-chip op amps. The hardware QEI module reads incremental encoders for sensored FOC, and the Peripheral Trigger Generator synchronizes ADC sampling to PWM edges without CPU intervention. With 16 KB SRAM and 128 KB Flash, the device fits full state-machine control firmware plus application-layer Modbus or CANopen stacks.
Recommended
Switch-Mode Power Supply (SMPS) Digital Control
The 70 MIPS DSP engine and 12-bit ADC make the PIC24EP128MC202T-E/SS a strong fit for digitally controlled SMPS - PFC, LLC, full-bridge, and phase-shifted topologies. The high-speed ADC samples the output voltage and current at sub-microsecond intervals, while the 7.14 ns PWM resolution drives digital isolators to the power stage with sub-100 ns timing skew. The CTMU charge-time unit simplifies temperature-compensated inductor current sensing, and the 128 KB Flash accommodates complex state-machine firmware with telemetry logging. Industrial and telecom 48 V bus converters leverage this architecture.
Recommended
LED Lighting Controllers
Architectural and automotive LED drivers benefit from the PIC24EP128MC202T-E/SS's combination of PWM channels, 12-bit ADC for ambient-light sensing, and ECAN bus for networked lighting control. The 16-bit PWM dimming exceeds the resolution needed for 0.1% dimming depth at 1 kHz refresh, avoiding flicker perceptibility. AEC-Q100 qualification supports interior and exterior automotive lighting, while the SSOP-28 footprint keeps driver PCB area below 25 mm x 25 mm. Integrated op amps condition current-sense signals without external instrumentation stages.
Recommended
Automotive Body Electronics Modules
AEC-Q100 Grade 1 qualification and -40 C to +125 C operation position the PIC24EP128MC202T-E/SS directly into BCM, door-module, and seat-controller designs where multiple motors and sensors are coordinated. The 21 I/O pins drive mirror-fold motors, window lifters, and LED lighting, while ECAN/CAN-FD peripherals interface with the vehicle network. The 4 KB EEPROM stores configuration, calibration, and fault history without external storage. The 28-SSOP footprint survives vibration and thermal-cycling environments that smaller QFN packages may not.
Recommended
Robotics and Drone Motor Controllers
Lightweight robotic arms and multirotor drones leverage the PIC24EP128MC202T-E/SS's 70 MIPS DSP core for real-time FOC of multiple brushless gimbal or propulsion motors, with the SSOP-28 footprint enabling dense ESC designs. The 12-bit ADC plus integrated op amps read current shunts at >500 ksps for torque-loop stability, while the 7.14 ns PWM resolution supports high-frequency switching to shrink magnetics. ECAN bus or UART links tie ESC nodes to a flight controller. The -40 C to +125 C range handles harsh outdoor airframes.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP128MC202T-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP128MC202-E/SS | PIC24EP128MC202-H/SS | PIC24EP128MC202-E/SP | PIC24EP128MC202-H/SP | PIC24EP128MC202T-E/MM |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP | 28-SSOP | 28-SSOP | 28-SSOP | 28-QFN (different footprint) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU MIPS (max) | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +150 C | -40 C to +125 C | -40 C to +150 C | -40 C to +125 C |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| Packaging | Tape & Reel | Tube | Tube | Tube | Tube | Tape & Reel |
Key Differentiators
- 70 MIPS DSP throughput with integrated motor-control peripherals (vs PIC24EP128GP202-E/SS)
- Higher temperature grade option within same die (vs PIC24EP128MC202-E/SS)
- AEC-Q100 Grade 1 qualified with extended-life automotive support (vs Industrial-grade PIC24EP128GP202T-I/PT)
Design Notes
PIC24EP128MC202T-E/SS operates from a single 3.0 V to 3.6 V rail on the VDD pin. The internal core LDO drives the VCAP pin (pin 28) - place a low-ESR 10 uF ceramic + 0.1 uF decoupling pair as close to VCAP as physically possible, with the 0.1 uF on the same side of the PCB. AVDD (pin 14) MUST be tied to VDD even if the ADC is unused to prevent floating-supply leakage that corrupts analog readings; if a separate analog regulator is used, tie AVDD to that rail through a ferrite bead.
At 70 MIPS with all four PWM channels active at 20 kHz switching frequency, the SSOP-28 package dissipates approximately 200-300 mW of internal power. Estimated: with theta_JA = 70 C/W (SSOP-28 on a 4-layer 1 oz JEDEC test board), junction temperature rise above 25 C ambient is about 14-21 C - well within the 125 C upper limit. For designs approaching +85 C ambient, add copper pours under the exposed leads and stitch thermal vias to inner ground planes.
Configuration-word mistakes are the most common PIC24EP prototype failure. Always enable JTAG-disabled mode (JTAGEN=OFF) unless boundary-scan is needed - the JTAG pins otherwise occupy GPIO pins that motor-control firmware assumes are free. The PLL configuration word must match the external oscillator: an 8 MHz primary with PLL set for x30 (FCY=60 MIPS) is the canonical setup. Brown-out reset must be enabled for AEC-Q100 designs (BOREN=ON in configuration word). Finally, the ECAN module requires proper oscillator stability before activation - do not enable ECAN during the oscillator-startup window or bit-rate errors will lock the bus.
Route the analog section (AVDD/AVSS, AN0-AN12, OPA inputs) on a single inner layer or guarded analog ground island, separating digital return currents from analog return currents with a 'moat' or 'bridge' split in the ground plane that ties at a single point near the AVDD pin. Keep ADC traces under 50 mm and avoid running them parallel to PWM output traces. Place the decoupling 10 uF + 0.1 uF pair within 3 mm of the VCAP pin; the on-chip LDO has limited drive strength and remote capacitors degrade core stability.
The PIC24EP128MC202T-E/SS integrates two on-chip op amps designed for direct current-shunt sensing in motor-control loops - bandwidth is sufficient for 20 kHz FOC current loops. Rout the PWM1L/PWM1H and PWM2L/PWM2H traces as differential pairs with matched length (<5 mm skew) when driving the gate driver, and add a series ferrite bead at each PWM pin if emissions are a concern. The high-speed 12-bit ADC requires careful input filtering - a 100 ohm series resistor plus a 1 nF capacitor at the ADC pin forms a 1.6 MHz anti-aliasing filter that is well above the ADC Nyquist frequency.
Compliance Information
AEC-Q100 Grade 1 qualified per Hotenda product listing. RoHS compliance confirmed at DigiKey part detail. Lead-free (Pb-free) packaging. Halogen-free status not explicitly stated in verified data - marked unknown.
