PIC24FJ32MC102-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC24FJ32MC102-I/SO is a 16-bit PIC microcontroller from Microchip with integrated motor control PWM, 32KB Flash, 4KB SRAM, 12-bit ADC, and UART/SPI/I2C interfaces running at up to 32 MHz in a 28-pin SOIC package. Designed for brushless DC motor control applications. Available worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC24FJ32MC102-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dedicated motor control PWM module with 3-phase complementary output pairs and dead-time insertion for BLDC and PMSM drive designs
- 16-bit PIC24 core at 32 MHz with 32KB Flash and 4KB SRAM, delivering 16 MIPS throughput for real-time motor control algorithms
- Integrated 12-bit ADC with 1 Msps sampling rate for phase current sensing and DC bus voltage monitoring in motor drive systems
Applications
PIC24FJ32MC102-I/SO is designed specifically for brushless DC and permanent magnet synchronous motor control in home appliance drives, power tools, and HVAC fan controllers. The integrated motor control PWM module generates complementary 3-phase gate drive signals with programmable dead-time, replacing discrete gate drive logic and reducing BOM cost. Its 12-bit ADC supports sensorless back-EMF detection and field-oriented control current loop sampling at 20 kHz switching frequency.
Specifications
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 11Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Bit Size | 16 |
| Boundary Scan | NO |
| CPU Family | PIC24 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| External Data Bus Width | 16 |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 21 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 16 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| RAM (words) | 1024 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100; TS 16949 |
| Speed | 32MHz |
| Supply Current-Max | 21mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC24FJ32MC102-I/SO Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC24FJ32MC102-I/SO:
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suggested
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Frequently Asked Questions
What motor control PWM capabilities does PIC24FJ32MC102-I/SO provide for 3-phase BLDC drive designs?
PIC24FJ32MC102-I/SO integrates a motor control PWM module with 3 complementary output pairs, providing 6 PWM outputs with hardware-inserted dead-time programmable from 50 ns to 12 µs. The PWM resolution is 1 ns at 32 MHz, allowing carrier frequencies from 1 kHz to 100 kHz. This eliminates external dead-time generators and reduces component count in 3-phase inverter gate drive circuits.
What ADC sampling rate does PIC24FJ32MC102-I/SO support, and how does it enable field-oriented motor control?
The integrated 12-bit ADC samples at up to 1 Msps with multiple input channels for simultaneous phase current and bus voltage measurement. For FOC at 16 kHz PWM, the ADC triggers mid-cycle to sample 3-phase currents in 3 µs total, leaving 59 µs per cycle for Clarke and Park transforms, PI control, and inverse Park calculations at 16 MIPS core throughput.
How does PIC24FJ32MC102-I/SO in a 28-pin SOIC package simplify PCB assembly for a compact motor controller?
The 28-pin SOIC package uses a 0.05 inch (1.27 mm) lead pitch and a 17.9×7.5 mm body, compatible with standard SMT assembly lines. All 3 PWM output pairs, the 12-bit ADC inputs, UART, SPI, and I2C interfaces fit within the 28 pins. This allows a complete sensorless BLDC controller PCB in under 30 cm², achievable on a 2-layer board without BGA or QFN soldering challenges.
When would a designer choose PIC24FJ32MC102-I/SO over a general-purpose PIC24FJ32GB002 for motor drive applications?
PIC24FJ32MC102-I/SO includes a dedicated motor control PWM peripheral with 3-phase complementary outputs and dead-time insertion, absent in the PIC24FJ32GB002 which provides only general-purpose output compare modules. For a 3-phase inverter, using the MC102 saves 2 external dead-time ICs, reduces firmware complexity by approximately 500 lines of dead-time management code, and ensures hardware fault protection response within 100 ns on overcurrent events.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.3400 | $3.34 |
| 20+ | $2.5650 | $51.30 |
| 50+ | $2.4111 | $120.55 |
| 150+ | $2.3085 | $346.27 |
| 5022+ | $2.3000 | $11550.60 |
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