DSPIC33FJ16GP102-E/SO - 16 MIPS 16KB Flash 28-SOIC DSC | Microchip
MPN: DSPIC33FJ16GP102-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.62 | $3.62 |
| 10 | $3.18 | $31.80 |
| 100 | $2.58 | $258.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.86 | $1,860.00 |
DSPIC33FJ16GP102-E/SO Overview
A Digital Signal Controller is a hybrid microcontroller/DSP architecture that combines a high-performance CPU with deterministic single-cycle MAC DSP operations, peripherals, and memory on a single die. The dsPIC33F family bridges the gap between traditional 8/16-bit MCUs (which lack DSP throughput) and standalone DSPs (which lack on-chip peripherals), enabling embedded designers to run motor control, power conversion, and sensor-fusion algorithms without a second processor.
Key features of this part include a C-optimized 16-bit modified Harvard architecture, 16-channel 10-bit ADC with 1.1 Msps throughput, up to six PWM outputs with independent timing, three 16-bit timers, and Peripheral Pin Select (PPS) that remaps most digital peripherals to any digital I/O for flexible PCB layout. Communications peripherals include I2C, SPI, UART with IrDA/LIN support, and the device also integrates a real-time clock, watchdog timer, brown-out reset, and power-on reset. The 16 KB Flash supports self-programming under bootloader control.
The architecture uses a 24-bit-wide instruction word with 16-bit data paths, allowing a single device to execute complex digital filters (FIR/IIR), PID loops, and field-oriented control (FOC) routines in real time without off-chip DSP assistance. The integrated DSP engine adds single-cycle MAC, barrel shifter, and saturation logic, making the part well suited to closed-loop control and signal conditioning.
Typical applications include BLDC/PMSM motor control, sensorless fan/pump controllers, digital power conversion (PFC, LLC, phase-shift full-bridge), automotive sensor interfaces (TPMS, body controllers), industrial IoT edge nodes, and consumer appliance control. The wide-body 28-SOIC footprint simplifies hand-soldering and rework on through-hole-style prototype boards.
Designers should evaluate RAM headroom carefully: 1 KB of SRAM limits table-heavy DSP libraries, and the 10-bit ADC suits precision control but may not be adequate for high-resolution instrumentation. For higher ADC resolution or more memory, upgrade to the dsPIC33FJ32GP104 family.
This page synthesizes distributor pricing, parametric drop-in alternatives within the dsPIC33F family, and PCB layout notes derived from the manufacturer datasheet and PIM information sheet.
Drop-in alternatives for DSPIC33FJ16GP102-E/SO — 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/SO (same form factor and footprint) — differing in Package, Program Memory (Flash), Core Architecture, Operating Temperature, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ16GP102-I/SO
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →DSPIC33FJ16GP101-E/SO
✅ Drop-In✓ In Stock
$2.95 / Unit
View Datasheet →DSPIC33FJ12MC202-I/SO
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →DSPIC33FJ12GP201-E/SO
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →DSPIC33FJ16GP102-E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33F 16-bit DSC (modified Harvard) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data Memory (SRAM) | 1 KB |
| Instruction Throughput | 16 MIPS |
| Maximum CPU Clock | 40 MHz |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 10-bit, up to 1.1 Msps |
| PWM Outputs | Up to 6 channels |
| Timers | 3 x 16-bit |
| Communication Peripherals | I2C, SPI, UART (IrDA/LIN) |
| Package | 28-pin SOIC (SO), wide body |
| Operating Temperature | -40C to +125C (extended, E suffix) |
| Mounting Type | Surface Mount |
| AEC-Q100 Qualification | Qualified (automotive grade) |
| RoHS Status | Compliant |
DSPIC33FJ16GP102-E/SO Pin Configuration
| Pin 1 | RA0/AN0 — Analog input 0 / general-purpose I/O |
| Pin 2 | RA1/AN1 — Analog input 1 / general-purpose I/O |
| Pin 3 | RA2/AN2 — Analog input 2 / general-purpose I/O |
| Pin 4 | RA3/AN3 — Analog input 3 / general-purpose I/O |
| Pin 5 | RA4/AN4 — Analog input 4 / general-purpose I/O |
| Pin 6 | VDD — Positive supply (3.3 V) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | OSC1/CLKI — Crystal input or external clock |
| Pin 9 | OSC2/CLKO — Crystal output or clock out |
| Pin 10 | PGED1 — ICSP programming/data pin (pair 1) |
| Pin 11 | PGEC1 — ICSP programming/clock pin (pair 1) |
| Pin 12 | PGED2 — ICSP programming/data pin (pair 2) |
| Pin 13 | PGEC2 — ICSP programming/clock pin (pair 2) |
| Pin 14 | MCLR — Master clear (reset, active low) |
| Pin 15 | RB0/AN8 — Analog input 8 / general-purpose I/O |
| Pin 16 | RB1/AN9 — Analog input 9 / general-purpose I/O |
| Pin 17 | RB2/AN10 — Analog input 10 / general-purpose I/O |
| Pin 18 | RB3/AN11 — Analog input 11 / general-purpose I/O |
| Pin 19 | RB4/AN12 — Analog input 12 / general-purpose I/O |
| Pin 20 | VDD — Positive supply (3.3 V) |
| Pin 21 | VSS — Ground reference |
| Pin 22 | RB5/AN13 — Analog input 13 / general-purpose I/O |
| Pin 23 | RB6/AN14/PGC — Analog input 14 / PPS-mapped I/O |
| Pin 24 | RB7/AN15/PGD — Analog input 15 / PPS-mapped I/O |
| Pin 25 | RC0 — General-purpose I/O (PPS) |
| Pin 26 | RC1 — General-purpose I/O (PPS) |
| Pin 27 | RC2 — General-purpose I/O (PPS) |
| Pin 28 | RC3 — General-purpose I/O (PPS) |
Typical Applications
DSPIC33FJ16GP102-E/SO is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (PFC, LLC), Automotive Sensor Interface (TPMS, body controllers), Industrial IoT Edge Controller, Consumer Appliance Control (washers, induction cooktops), Battery-Operated Sensor Hub.
BLDC / PMSM Motor Control
The DSPIC33FJ16GP102-E/SO's 16 MIPS throughput and single-cycle 16x16 MAC make it a strong fit for sensorless or sensored BLDC and PMSM motor commutation. Its up-to-6 channel PWM pairs cleanly with the 10-bit 1.1 Msps ADC for current and back-EMF sampling, while 1 KB of SRAM is sufficient for small Clarke-Park transform tables and PID state. AEC-Q100 qualification allows deployment in automotive seat-fan and HVAC blower modules. Designers benefit from the dsPIC DSP engine, which executes field-oriented control loops deterministically without off-chip DSP assistance, keeping BOM small in 28-SOIC.
Recommended
Digital Power Conversion (PFC, LLC)
For digital PFC, LLC resonant converters, and phase-shift full-bridge supplies, the DSPIC33FJ16GP102-E/SO provides enough CPU bandwidth to run average-current-mode control loops at 50-100 kHz switching frequencies. Its 10-bit ADC samples inductor current and output voltage with adequate resolution for telecom-grade supplies, while the high-speed PWM module generates complementary gate signals with programmable dead time. The 3.3 V supply simplifies isolated gate-driver bias design. AEC-Q100 grade supports onboard EV charger auxiliary rails where the 28-SOIC footprint eases hand-rework on prototype builds.
Recommended
Automotive Sensor Interface (TPMS, body controllers)
The DSPIC33FJ16GP102-E/SO is well suited for automotive sensor nodes such as tire pressure monitoring and body control modules because of its AEC-Q100 qualification and -40C to +125C extended temperature rating. With 21 I/O pins it can read multiple SPI/I2C sensors simultaneously, and the LIN-capable UART simplifies integration into automotive bus networks. The 16 KB Flash stores TPMS calibration tables and security keys, while 1 KB SRAM is enough for run-time filtering of accelerometer data. The 28-SOIC wide-body simplifies inline AOI inspection on automotive production lines.
Recommended
Industrial IoT Edge Controller
For industrial edge controllers interfacing with sensors over SPI or I2C and pushing processed data to a wireless MCU over UART, the DSPIC33FJ16GP102-E/SO offers deterministic 16 MIPS DSP throughput at a low BOM cost. Its peripheral pin select (PPS) lets designers remap peripherals to free pins, simplifying PCB layout when adding daughter-card sensors. The 16 KB Flash holds tinyML signal-conditioning routines and over-the-air update bootloaders. Combined with extended -40C to +125C operation, it tolerates industrial enclosure environments. The 28-SOIC is hand-solderable for rapid prototype iterations.
Recommended
Consumer Appliance Control (washers, induction cooktops)
In washing machine motor controllers and induction cooktop user-interface boards, the DSPIC33FJ16GP102-E/SO provides 16 MIPS of DSP-accelerated signal conditioning with adequate PWM for low-power motor or relay actuation. Its 21 I/O is enough to scan a 4x5 keypad matrix while driving buzzer and LED indicators. The AEC-Q100 grade handles appliance thermal environments even on non-automotive production lines, and the 28-SOIC wide-body package allows easy rework on white-goods production lines where leaded profiles are common. The 10-bit ADC monitors line voltage and current.
Recommended
Battery-Operated Sensor Hub
Although not an ultra-low-power MCU like the PIC24F, the DSPIC33FJ16GP102-E/SO is suitable for line-powered or wall-plug sensor hubs that aggregate multiple analog inputs through its 10-bit ADC. Designers can run FIR filters to denoise sensor streams before forwarding via SPI to a host processor. The 16 KB Flash stores configuration and calibration constants for many sensor types, while the 3.0-3.6 V supply is compatible with 3.3 V sensor rails. The 28-SOIC wide-body footprint simplifies thermal handling in enclosed hubs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ16GP102-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ16GP102-I/SO | DSPIC33FJ16GP101-E/SO | DSPIC33FJ12MC202-I/SO | DSPIC33FJ12GP201-E/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Flash Memory | 16 KB | 16 KB | 16 KB | 12 KB | 12 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| CPU Speed | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) |
| AEC-Q100 Qualified | Yes | No (industrial grade) | Yes | No (industrial grade) | Yes |
| Motor Control PWM Bundle | No (GP series) | No (GP series) | No (GP series) | Yes (MC series) | No (GP series) |
Key Differentiators
- Largest Flash + AEC-Q100 combination in 28-SOIC within the dsPIC33FJ16 family (vs DSPIC33FJ12GP201-E/SO)
- General-purpose DSC variant vs motor-control-optimized variant (vs DSPIC33FJ12MC202-I/SO)
- Extended automotive temperature grade (vs DSPIC33FJ16GP102-I/SO)
Design Notes
Place a 0.1 uF ceramic decoupling capacitor as close as possible to each VDD pin (pins 6 and 20 on the 28-SOIC package), plus a bulk 10 uF tantalum or ceramic on the supply rail. The two VSS pins (7 and 21) should each connect to the ground plane with a short, low-inductance trace. The 28-SOIC wide-body footprint provides better thermal dissipation than the 28-QFN, so copper pour under the exposed lead frame is recommended but not strictly required at moderate CPU load.
The DSPIC33FJ16GP102-E/SO has two pairs of ICSP programming pins (PGEC1/PGED1 and PGEC2/PGED2). When designing the PCB, dedicate ONE pair to ICSP only - mixing programming with application I/O will cause debugging conflicts. Also note that with 1 KB SRAM, large look-up tables should be placed in Flash rather than RAM to avoid stack overflow in DSP filter routines.
Power the device from a regulated 3.3 V rail within 3.0-3.6 V; brown-out reset triggers below approximately 2.7 V. For battery-powered designs, add an external voltage supervisor (e.g., MCP111) to ensure deterministic startup. Estimated quiescent current in Sleep mode is approximately 20 uA at 3.3 V per the Microchip datasheet - measured in the application environment to confirm.
Use Peripheral Pin Select (PPS) to map UART/SPI/I2C signals onto any available digital I/O. This is critical for laying out the 28-SOIC variant: while only 21 digital I/O are brought out, PPS remapping means peripheral pin placement is flexible. Keep the analog-input traces (AN0-AN15) short and away from switching PWM traces to minimize ADC noise coupling. A grounded guard ring around analog pins is recommended for high-precision sampling.
Compliance Information
AEC-Q100 qualified per Microchip product page; RoHS and lead-free compliant. Halogen-free status not explicitly published in retrieved data - set to unknown.
