DSPIC33FJ16GP102-E/SP - 16-bit DSC, 16KB Flash, 28-SPDIP | Microchip
MPN: DSPIC33FJ16GP102-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.1 | $310.00 |
| 500 | $2.65 | $1,325.00 |
| 1,000 | $2.2 | $2,200.00 |
DSPIC33FJ16GP102-E/SP Overview
A Digital Signal Controller (DSC) is a hybrid architecture that merges microcontroller (MCU) deterministic interrupt handling with a Digital Signal Processor (DSP) MAC engine and barrel shifter on the same die. dsPIC33F devices sit at the boundary between 8/16-bit MCUs and dedicated DSPs, executing one instruction per cycle (plus DSP ops) while preserving a familiar peripheral set. They are widely used in motor control, power conversion, and sensor-fusion applications where deterministic execution and signal processing must coexist in a single chip.
Key features of the DSPIC33FJ16GP102-E/SP include a 40 MHz internal oscillator with PLL options, four 16-bit timer/counters, multiple PWM modules, a 10-bit A/D converter with up to 6 channels, UART, SPI, and I2C communication peripherals, plus Peripheral Pin Select (PPS) for flexible pin mapping. The device integrates brown-out detect/reset, power-on reset (POR), and a watchdog timer (WDT) for automotive-grade reliability. Its 28-pin SPDIP package simplifies prototyping and breadboard work, which is uncommon for this part class.
The architecture uses a Harvard bus with separate program and data paths, a 24-bit instruction word, and a single-cycle MAC unit, enabling efficient execution of FIR/IIR digital filters and PID control loops. The 16 KB Flash allows mid-sized algorithm libraries while retaining spare space for application code, and the 1 KB RAM is sufficient for typical control loops and small data buffers.
Typical applications include automotive sensor interfaces, BLDC/PMSM motor control, switching power supply digital control loops, LED lighting controllers, and low-cost consumer appliances. The AEC-Q100 qualification makes it especially attractive for under-hood automotive electronics and harsh-environment industrial control.
Designers should note that the 28-SPDIP package requires through-hole PCB assembly, which is uncommon in space-limited boards. The extended (-E) temperature range of -40C to +125C allows deployment in automotive and industrial environments without additional thermal qualification.
This page synthesizes distributor pricing, drop-in 28-SPDIP and 28-QFN alternatives from the same dsPIC33FJ family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ16GP102-E/SP — 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 DSPIC33FJ16GP102-E/SP (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Mounting Type, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ16GP102-I/SP
✅ Drop-In✓ In Stock
$2.85 / Unit
View Datasheet →DSPIC33FJ16GP101-E/SS
✅ Drop-In✓ In Stock
$2.3 / Unit
View Datasheet →DSPIC33FJ32GP102-E/SP
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →DSPIC33FJ32GP104-E/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ16MC102-E/SP
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33FJ12MC202-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ12GP202-I/SP
✅ Drop-In✓ In Stock
$2.69 / Unit
View Datasheet →DSPIC33FJ16GP102-E/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33F 16-bit DSC |
| CPU Core | 16-bit dsPIC (Harvard, 24-bit instruction) |
| Max Clock Frequency | 40 MHz |
| Performance | 16 MIPS |
| Program Memory Type | Flash |
| Program Memory Size | 16 KB (16K x 8) |
| RAM Size | 1 KB |
| Supply Voltage | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| Package | 28-SPDIP (Skinny Plastic DIP) |
| Mounting Type | Through-Hole |
| Operating Temperature | -40C to +125C (Extended, -E suffix) |
| Communication Interfaces | UART, SPI, I2C |
| Automotive Qualification | AEC-Q100 |
| Peripheral Pin Select (PPS) | Yes |
| Watchdog Timer (WDT) | Yes |
| Brown-out Detect/Reset | Yes |
| Power-On Reset (POR) | Yes |
| RoHS Status | Compliant (Pb-free SPDIP) |
DSPIC33FJ16GP102-E/SP Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | OSCI — Crystal oscillator input |
| Pin 3 | OSCO — Crystal oscillator output |
| Pin 4 | RP0/PWM1H — Remappable I/O / PWM output (PPS) |
| Pin 5 | RP1/PWM1L — Remappable I/O / PWM output (PPS) |
| Pin 6 | RP2/SDO1 — Remappable I/O / SPI data out (PPS) |
| Pin 7 | RP3/SDI1 — Remappable I/O / SPI data in (PPS) |
| Pin 8 | RP4/SCK1 — Remappable I/O / SPI clock (PPS) |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RP5/IC1 — Remappable I/O / Input Capture (PPS) |
| Pin 11 | RP6/IC2 — Remappable I/O / Input Capture (PPS) |
| Pin 12 | RP7/INT0 — Remappable I/O / External Interrupt 0 (PPS) |
| Pin 13 | RP8/OC1 — Remappable I/O / Output Compare (PPS) |
| Pin 14 | RP9/OC2 — Remappable I/O / Output Compare (PPS) |
| Pin 15 | RP10/U1RX — Remappable I/O / UART1 RX (PPS) |
| Pin 16 | RP11/U1TX — Remappable I/O / UART1 TX (PPS) |
| Pin 17 | VDD — Positive supply (3.0-3.6 V) |
| Pin 18 | AVDD — Analog positive supply |
| Pin 19 | AVSS — Analog ground reference |
| Pin 20 | AN0/VREF+ — Analog input 0 / ADC VREF+ |
| Pin 21 | AN1/VREF- — Analog input 1 / ADC VREF- |
| Pin 22 | AN2 — Analog input 2 |
| Pin 23 | AN3 — Analog input 3 |
| Pin 24 | PGED1 — ICSP programming data (channel 1) |
| Pin 25 | PGEC1 — ICSP programming clock (channel 1) |
| Pin 26 | PGED2 — ICSP programming data (channel 2) |
| Pin 27 | PGEC2 — ICSP programming clock (channel 2) |
| Pin 28 | VSS — Ground reference |
Typical Applications
DSPIC33FJ16GP102-E/SP is suitable for 6 applications: BLDC/PMSM Motor Control, Switching Power Supply Digital Control, Automotive Sensor Interface, LED Lighting Controllers, Industrial Control and PLC Modules, Consumer Appliance Control.
BLDC/PMSM Motor Control
The DSPIC33FJ16GP102-E/SP delivers 16 MIPS at 40 MHz with single-cycle MAC operations and PWM modules, making it well-suited to low-cost BLDC and PMSM motor control in appliance fans, pumps, and small drones. Its ADC can be synchronized to the PWM for current sensing, and the DSP engine efficiently executes field-oriented control (FOC) and PI loops in real time. The 1 KB RAM and 16 KB Flash are adequate for sensorless FOC libraries like Microchip's MPLAB X motorBench. The 28-SPDIP package suits development and small-batch through-hole motor boards where surface-mount rework is undesirable.
Recommended
Switching Power Supply Digital Control
The DSPIC33FJ16GP102-E/SP is widely used in digitally controlled switch-mode power supplies where voltage-mode and average-current-mode control loops demand deterministic DSP throughput. Its PWM and ADC resources support multi-loop PFC, full-bridge phase-shift, and synchronous rectification topologies, while the 16 MIPS core handles compensator math (Type-II/III) at typical 50-100 kHz switching frequencies. The AEC-Q100 qualification and -40C to +125C operating range allow deployment in industrial and automotive power converters. Designers should pair it with a gate driver such as the MCP14700 or Si8271 for high-voltage isolation.
Recommended
Automotive Sensor Interface
With AEC-Q100 qualification and an extended -40C to +125C operating range, the DSPIC33FJ16GP102-E/SP fits automotive sensor-conditioning modules such as throttle position, pedal position, and HVAC flap controllers. Its 10-bit ADC and DSP engine enable on-chip digital filtering of noisy sensor signals, reducing external component count. The UART/SPI/I2C peripherals allow integration with vehicle CAN or LIN transceivers like the MCP2515 or MCP2003A. The 28-SPDIP package is convenient for engineering prototypes, while the same-die QFN option simplifies transition to volume production.
Recommended
LED Lighting Controllers
The DSPIC33FJ16GP102-E/SP is well matched to digitally controlled LED drivers where smooth dimming, color mixing, or thermal-foldback algorithms are required. Its PWM channels can drive high-frequency LED currents via external FETs, while the DSP engine computes CIE1931 color-correction curves and gamma tables in real time. The 16 KB Flash accommodates fixture-specific calibration constants and DMX or DALI protocol stacks via UART. AEC-Q100 qualification allows deployment in automotive interior/exterior lighting and architectural fixtures that demand long-term reliability.
Recommended
Industrial Control and PLC Modules
The DSPIC33FJ16GP102-E/SP suits small-form-factor industrial controllers and PLC I/O modules that require deterministic real-time DSP for signal conditioning or vibration monitoring. Its UART/SPI/I2C peripherals connect to industrial transceivers like the ADM2485 or MAX485 for RS-485 half-duplex communication, while the on-chip ADC reads 4-20 mA loop inputs through external scaling. The extended temperature grade supports factory-floor and outdoor cabinet installations. The 28-SPDIP form factor simplifies IEC 61131-3 proof-of-concept prototypes.
Recommended
Consumer Appliance Control
The DSPIC33FJ16GP102-E/SP is a cost-effective choice for white-goods control boards such as washing machines, dishwashers, and small kitchen appliances where both motor control and user-interface logic must coexist. Its DSP engine simplifies speed-loop and torque-loop control of universal or BLDC motors, while the GPIO and PWM drive seven-segment displays, buzzers, and relay arrays. The 1 KB RAM is adequate for typical state machines and small lookup tables. The 28-SPDIP package supports through-hole manufacturing lines common in appliance production.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ16GP102-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ16GP102-I/SP | DSPIC33FJ32GP102-E/SP | DSPIC33FJ32GP104-E/SP | DSPIC33FJ16MC102-E/SP | DSPIC33FJ12MC202-I/SP | DSPIC33FJ12GP202-I/SP |
|---|---|---|---|---|---|---|---|
| Package | 28-SPDIP (Through-Hole) | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 16 KB | 16 KB (same) | 32 KB (+100%) | 32 KB (+100%) | 16 KB (same) | 12 KB (-25%) | 12 KB (-25%) |
| RAM | 1 KB | 1 KB (same) | 2 KB (+100%) | 2 KB (+100%) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (same) | -40C to +125C (same) | -40C to +125C (same) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| AEC-Q100 Qualified | Yes (automotive grade) | No (industrial) | Yes (automotive grade) | Yes (automotive grade) | Yes (automotive grade) | No (industrial) | No (industrial) |
| Variant Family | GP (General Purpose) | GP (same family) | GP (32 KB) | GP (32 KB, more peripherals) | MC (Motor Control, enhanced PWM/QEI) | MC (Motor Control, 12 KB) | GP (General Purpose, 12 KB) |
| Max Clock / MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS (same) | 40 MHz / 16 MIPS (same) | 40 MHz / 16 MIPS (same) | 40 MHz / 16 MIPS (same) | 40 MHz / 16 MIPS (same) | 40 MHz / 16 MIPS (same) |
Key Differentiators
- AEC-Q100 qualified in 28-SPDIP through-hole package (vs DSPIC33FJ16GP102-I/SP)
- 16 KB Flash in the smallest 28-SPDIP dsPIC33F GP variant (vs DSPIC33FJ12GP202-I/SP)
- General Purpose (GP) variant - flexible peripherals (vs DSPIC33FJ16MC102-E/SP)
- Through-hole SPDIP simplifies prototyping and field service (vs DSPIC33FJ16GP102-E/ML (28-QFN))
Design Notes
The DSPIC33FJ16GP102-E/SP requires a single 3.0-3.6 V supply on VDD/AVDD pins; place a 100 nF decoupling capacitor within 5 mm of each VDD pin and a bulk 10 uF tantalum or ceramic capacitor at the regulator output. Keep the analog AVDD/AVSS pair star-routed back to the regulator to avoid digital switching noise coupling into the ADC reference. The device's internal POR holds the part in reset until VDD stabilizes above the brown-out threshold.
Although the 28-SPDIP package simplifies through-hole assembly, keep crystal traces (OSCI/OSCO) short and surrounded by a ground guard ring. Route ICSP signals (PGEC1/PGED1 and PGEC2/PGED2) directly to a 0.1 inch header for in-circuit programming and debugging. For analog inputs AN0-AN3, keep digital traces at least 3 mm away and place a ground pour underneath to reduce crosstalk into the 10-bit ADC.
Do not assume pin assignments are fixed - this dsPIC33F device uses Peripheral Pin Select (PPS), which must be unlocked via OSCCON or _PPS macros in MPLAB X before the desired peripheral pin mapping is applied. Forgetting the PPS unlock sequence is the #1 reason for 'dead' remappable pins on first prototypes. Also confirm that ANx pins are configured as analog (not digital) by clearing the corresponding TRIS bit and the AD1PCFG register before ADC sampling.
The DSPIC33FJ16GP102-E/SP operates over -40C to +125C junction temperature, but the 28-SPDIP package's thermal resistance allows reliable operation even at the temperature extremes for typical control-loop workloads. Estimated: at full 40 MHz CPU and continuous peripheral activity with all 21 I/O pins sourcing 6 mA, junction temperature rise above ambient is approximately 25-30C in still air, well within the 125C limit. Forced airflow is unnecessary for normal closed-loop control workloads.
Compliance Information
AEC-Q100 qualified per Microchip product page. RoHS-compliant SPDIP package. REACH compliance per EU regulatory filings.
