DSPIC33FJ16GP101-E/SS - 16-bit DSC, 16KB Flash, 20-SSOP | Microchip
MPN: DSPIC33FJ16GP101-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.75 | $37.50 |
| 100 | $3.15 | $315.00 |
| 500 | $2.65 | $1,325.00 |
| 1,000 | $2.3 | $2,300.00 |
DSPIC33FJ16GP101-E/SS Overview
A Digital Signal Controller (DSC) is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP). It combines deterministic interrupt-driven control logic from MCUs with DSP-style single-cycle MAC operations, making it ideal for closed-loop control applications where latency, throughput, and math precision must be balanced. The dsPIC33F family sits inside the broader 16-bit DSC taxonomy: DSC -> microcontroller -> embedded processor -> semiconductor IC. Engineers choose DSCs when 8-bit MCUs lack throughput for filter math and when full DSPs lack deterministic I/O.
Key features include 16KB of Flash program memory organized as 16K x 8, 2KB of SRAM, 21 I/O ports, peripherals such as timers, Input Capture, Output Compare, PWM, UART, SPI, I2C, and a 10/12-bit ADC. The 40 MHz MIPS rating allows deterministic execution of DSP instructions (MAC, ED, AC) in single cycles. The 20-SSOP (5.30 mm body) package is footprint-compatible across the dsPIC33FJ16GP101/102 and dsPIC33FJ32GP101/102/104 families, simplifying PCB reuse between firmware variants.
Architecturally, the DSPIC33FJ16GP101 uses a dual-bus Harvard core with separate program and data paths, a hardware multiply-accumulate (MAC) engine, and 40-bit accumulators for fractional signal processing. The 'E' temperature grade extends operating range to -40C to +125C and qualifies the part to AEC-Q100 standards for automotive under-hood and body-electronics applications, while the 'I' grade is rated -40C to +85C.
Typical applications include BLDC motor control, automotive sensor conditioning (e.g., wheel speed, throttle position), digital power conversion (PFC, LLC, full-bridge), industrial inverters, HVAC actuators, and general-purpose DSP-filtered sensor signal chains. The combination of Flash-based code storage, AEC-Q100 grade, and small-footprint SSOP is frequently chosen where PCB area is constrained and harsh-environment reliability is required.
When designing with this device, ensure the supply rail stays within 3.0V-3.6V, allow 1-2 uF decoupling near VDD/VSS pins, and reserve the ICSP/ICD pins (PGEDx/PGECx) for in-circuit programming. Use the dsPIC33F peripheral library and MPLAB X IDE with the MPLAB Snap, PICkit 4, or ICD 4 debugger.
This page synthesizes distributor stock, automotive-grade cross references, and practical design considerations beyond the manufacturer datasheet, including information that helps engineers select between the E (AEC-Q100) and I (industrial) temperature grades.
Drop-in alternatives for DSPIC33FJ16GP101-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 DSPIC33FJ16GP101-E/SS (same form factor and footprint) — differing in Package, ADC, Mounting Type, Program Memory (Flash), RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ16GP101-I/SS
✅ Drop-In✓ In Stock
$1.41 / Unit
View Datasheet →DSPIC33FJ32GP101-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ16GP102-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.82 / Unit
View Datasheet →DSPIC33FJ16MC101-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ12MC202-I/SS
✅ Drop-In✓ In Stock
$2.62 / Unit
View Datasheet →DSPIC33FJ12GP201-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ12MC201-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33FJ16GP101-E/SS Maximum Ratings & Electrical Characteristics
| Series | dsPIC33F |
| Core Architecture | dsPIC (16-bit DSC, Harvard) |
| Program Memory Size | 16 KB (16K x 8) Flash |
| RAM Size | 2 KB SRAM |
| Maximum CPU Speed | 40 MHz (16 MIPS) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| Package | 20-SSOP (5.30 mm body) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade, AEC-Q100) |
| Temperature Grade | E (Automotive AEC-Q100) |
| Peripherals | PWM, Input Capture, Output Compare, UART, SPI, I2C, 10/12-bit ADC |
| DSP Engine | Single-cycle MAC, 40-bit accumulators |
| MSL Level | 1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Programming/Debug | ICSP via PGEDx/PGECx; MPLAB Snap / PICkit 4 / ICD 4 |
DSPIC33FJ16GP101-E/SS Pin Configuration
| Pin 1 | SDA1/RP9/CN21/RB9 — I2C data / remappable peripheral / change notification / port B bit 9 |
| Pin 2 | SCL1/RP8/CN22/RB8 — I2C clock / remappable peripheral / change notification / port B bit 8 |
| Pin 3 | PGED1/RP7/CN23/RB7 — ICSP data line / remappable peripheral / change notification / port B bit 7 |
| Pin 4 | PGEC1/RP6/CN24/RB6 — ICSP clock line / remappable peripheral / change notification / port B bit 6 |
| Pin 5 | VSS — Ground reference |
| Pin 6 | OSCI/CLKI/RP13/CN1/RB13 — Crystal oscillator input / remappable peripheral / change notification / port B bit 13 |
| Pin 7 | OSCO/CLKO/RP14/CN0/RB14 — Crystal oscillator output / remappable peripheral / change notification / port B bit 14 |
| Pin 8 | RP15/CN30/RB15 — Remappable peripheral / change notification / port B bit 15 |
| Pin 9 | VDD — Positive supply input (3.0 V to 3.6 V) |
| Pin 10 | RP0/RB0 — Remappable peripheral / port B bit 0 |
| Pin 11 | RP1/RB1 — Remappable peripheral / port B bit 1 |
| Pin 12 | RP2/RB2 — Remappable peripheral / port B bit 2 |
| Pin 13 | RP3/RB3 — Remappable peripheral / port B bit 3 |
| Pin 14 | RP4/RB4 — Remappable peripheral / port B bit 4 |
| Pin 15 | RP5/RB5 — Remappable peripheral / port B bit 5 |
| Pin 16 | AVSS — Analog ground |
| Pin 17 | AVDD — Analog supply (3.0 V to 3.6 V) |
| Pin 18 | AN0/VREF+/RP11/RB11 — Analog input / positive reference / remappable peripheral / port B bit 11 |
| Pin 19 | AN1/VREF-/RP12/RB12 — Analog input / negative reference / remappable peripheral / port B bit 12 |
| Pin 20 | NC — Not connected (per datasheet) |
Typical Applications
DSPIC33FJ16GP101-E/SS is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Sensor Conditioning, Digital Power Conversion, Industrial Inverter Drives, HVAC Actuator Control, General-Purpose DSP Filter Front End.
BLDC / PMSM Motor Control
The DSPIC33FJ16GP101-E/SS fits BLDC and PMSM motor control loops where deterministic PWM update and sensor feedback conditioning are required in a small footprint. Its 16 MIPS dsPIC33F core executes single-cycle MAC instructions and supports PWM, Input Capture, and Output Compare peripherals that map directly to 6-step or sinusoidal commutation routines. The AEC-Q100 qualification allows deployment in automotive cooling fans, water pumps, and HVAC actuators. For sensorless FOC at higher switching frequencies, consider the dsPIC33E family which doubles the MIPS rating and adds dedicated Motor Control PWM (MCPWM).
Recommended
Automotive Sensor Conditioning
The DSPIC33FJ16GP101-E/SS is well matched to automotive sensor signal chains such as wheel-speed sensing, throttle position, and pressure transducer conditioning where the input requires FIR/IIR filtering before downstream CAN or LIN transmission. The on-chip 10/12-bit ADC combined with single-cycle DSP MAC instructions enables decimation, averaging, and frequency-domain filtering in real time. The AEC-Q100 grade supports under-hood -40C to +125C operation, and the 20-SSOP footprint keeps PCB area tight for distributed sensor nodes. Designers frequently pair it with LIN transceivers like the MCP2003 or MCP2025 for body-electronics modules.
Recommended
Digital Power Conversion
Digital power conversion topologies such as PFC, LLC, phase-shifted full-bridge, and synchronous buck controllers benefit from the DSPIC33FJ16GP101-E/SS's high-resolution PWM and deterministic DSP pipeline. The 16 MIPS throughput supports average-current-mode control loops with up to ~100 kHz switching frequencies when the ADC, PWM, and MAC are scheduled tightly. The automotive AEC-Q100 grade suits onboard chargers and DC-DC converters in mild-hybrid EVs. The compact 20-SSOP footprint lets designers integrate digital control without sacrificing PCB area for magnetics.
Recommended
Industrial Inverter Drives
Low-power industrial inverters and servo drive control boards leverage the DSPIC33FJ16GP101-E/SS for current-loop control, position estimation, and SVPWM generation. The on-chip DSP engine executes Clarke/Park transforms in single cycles, which is critical for sub-10 us control loop times. Although the industrial inverter market increasingly migrates to dsPIC33E or dsPIC33CK families, the GP101 remains a cost-effective choice for entry-level drives under 500 W. The 20-SSOP package simplifies hand-rework during prototyping.
Recommended
HVAC Actuator Control
HVAC damper actuators, variable-speed blower controllers, and refrigerant valve controllers use the DSPIC33FJ16GP101-E/SS because of its compact SSOP footprint, AEC-Q100 qualification, and ability to perform closed-loop PID plus FIR filtering on sensor inputs. With 16 KB Flash it can run both the application state machine and a digital filter for airflow feedback. The -40C to +125C operating range covers under-hood and dashboard environments, and the SSOP package tolerates conformal coating and potting common in HVAC modules.
Recommended
General-Purpose DSP Filter Front End
Generic DSP-filtered sensor input boards benefit from the DSPIC33FJ16GP101-E/SS as a front-end processor that pre-filters, decimates, and alarm-checks analog signals before handing data to a host MCU or CAN bus. The single-cycle MAC engine implements Biquad, FIR, and FFT-style spectral analysis with low jitter, freeing the host from heavy DSP load. Applications include vibration analysis, acoustic noise rejection, and industrial weighing scales where deterministic low-latency processing is required. The AEC-Q100 grade extends these uses into vehicle-mounted monitoring nodes.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ16GP101-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ16GP101-I/SS | DSPIC33FJ32GP101-I/SS | DSPIC33FJ16MC101-E/SS | DSPIC33FJ12MC202-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 28-SSOP - different pin count |
| Program Memory (Flash) | 16 KB | 16 KB | 32 KB (+100%) | 16 KB | 12 KB (-25%) |
| RAM Size | 2 KB | 2 KB | 4 KB (+100%) | 2 KB | 1 KB (-50%) |
| Core Architecture | dsPIC33F (16-bit DSC) | dsPIC33F (16-bit DSC) | dsPIC33F (16-bit DSC) | dsPIC33F (16-bit DSC, Motor Control) | dsPIC33F (16-bit DSC, Motor Control) |
| Maximum CPU Speed | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS | 40 MHz / 16 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Grade | -40C to +125C (E, AEC-Q100) | -40C to +85C (I, industrial) | -40C to +85C (I, industrial) | -40C to +125C (E, AEC-Q100) | -40C to +85C (I, industrial) |
| Pricing (Qty 1) | $4.20 | $3.40 approx | $4.55 approx | $4.50 approx | $4.10 approx |
Key Differentiators
- AEC-Q100 automotive grade with -40C to +125C operating range (vs DSPIC33FJ16GP101-I/SS)
- Upgrades to 32 KB Flash at same 20-SSOP footprint (vs DSPIC33FJ32GP101-I/SS)
- Same-family Motor Control variant for higher-end commutation (vs DSPIC33FJ16MC101-E/SS)
Design Notes
Power design for the DSPIC33FJ16GP101-E/SS requires a stable 3.0 V to 3.6 V rail with at least 1 uF bulk decoupling near each VDD/VSS pin and 100 nF high-frequency decoupling close to the device. AVDD/AVSS should be filtered from VDD with a ferrite bead to keep ADC noise below the 10/12-bit LSB threshold. Voltage below 3.0 V causes Flash programming failures; above 3.6 V risks permanent damage. The internal regulator draws about 20 mA at full MIPS, so budget the LDO accordingly.
PCB layout for the 20-SSOP should keep analog traces (AN0, AN1, VREF+/VREF-) short and routed away from digital PWM lines, with a clean ground pour under the package. Keep the crystal traces within 10 mm and shield them with a guard ground. Reserve the PGED1/PGEC1 footprint pads to enable ICSP debug, even in production, because Microchip recommends always enabling in-circuit programming. Add a 4.7 kohm pull-up on MCLR if the device is connected in a multi-master programming chain.
Common pitfalls when designing with the DSPIC33FJ16GP101-E/SS include: (1) selecting the E grade when industrial temperature range is sufficient (avoiding unnecessary AEC-Q100 cost), (2) forgetting to configure peripheral pin select (PPS) registers before using remappable peripherals, which silently leaves pins at default high-impedance, (3) failing to enable the WDT in safety-critical loops, and (4) attempting to program VDD below 3.0 V which silently aborts Flash writes. According to Microchip's family datasheet, always verify FOSC and FICD configuration bits before code commit to avoid bricking.
Compliance Information
AEC-Q100 qualified by Microchip (E temperature grade). RoHS and REACH compliant per distributor listings. Halogen-free status not explicitly stated in verified data. Conflict-minerals declaration available from Microchip per industry standard.
