DSPIC33EV128GM002-E/SS - 16-Bit 60MIPS 5V DSC 28-SSOP | Microchip
MPN: DSPIC33EV128GM002-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.25 | $4.25 |
| 10 | $3.85 | $38.50 |
| 100 | $3.57 | $357.00 |
| 500 | $3.25 | $1,625.00 |
| 1,000 | $2.98 | $2,980.00 |
DSPIC33EV128GM002-E/SS Overview
A digital signal controller combines the compute power of a microcontroller with the math capability of a DSP. The dsPIC33E family sits above general-purpose MCUs in the embedded hierarchy: it couples a 16-bit pipelined core with single-cycle MAC and DSP instructions, making it a natural choice for motor control loops, digital power conversion, and sensor signal processing. As a 5V-tolerant DSC, the dsPIC33EV line is positioned for harsh electrical environments such as automotive subsystems, appliances, and industrial drives where 3.3V logic is vulnerable.
Key features include a 5V operating supply (4.5V to 5.5V per LCSC verified data), up to 60 MIPS core performance, 128 KB of flash with ECC, 8 KB of RAM, six-channel motor-control PWM, three on-chip op amps, and a charge time measurement unit (CTMU). The E suffix guarantees -40C to +125C extended temperature operation, and the part is AEC-Q100 qualified for automotive use, per distributor listings.
Architecturally, the device integrates Peripheral Pin Select (PPS) so remappable peripherals (UART, SPI, I2C, input capture, PWM outputs) can be routed to nearly any RPn pin, easing PCB layout and board reuse. The internal 3.3V core is supplied from the 5V rail via an on-chip regulator requiring only a VCAP capacitor, simplifying power tree design.
Typical applications include brushless DC motor control for appliances, automotive position and pump controllers, industrial power supplies, and sensor conditioning where the three op amps offload external analog circuitry.
A key design consideration: the E-grade part draws slightly higher operating current than the I-grade variant at the same clock, so validate thermal margin if running 60 MIPS continuously at high ambient temperatures.
This page synthesizes distributor pricing from LCSC/DigiKey/Mouser, drop-in family alternatives, and practical design guidance not found in the 506-page manufacturer datasheet.
Drop-in alternatives for DSPIC33EV128GM002-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 DSPIC33EV128GM002-E/SS (same form factor and footprint) — differing in Operating Temperature, Package, RAM, Core Architecture, Core Performance.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM002-I/SS
✅ Drop-In✓ In Stock
$2.64 / Unit
View Datasheet →DSPIC33EV256GM002-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.25 / Unit
View Datasheet →DSPIC33EV256GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.52 / Unit
View Datasheet →DSPIC33EV64GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV32GM002-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.92 / Unit
View Datasheet →DSPIC33EV128GM002-E/SS Maximum Ratings & Electrical Characteristics
| Core Type | 16-bit dsPIC33E DSC |
| Core Performance | 60 MIPS (120 MHz internal FRC-based) |
| Supply Voltage | 4.5 V to 5.5 V |
| Flash Memory | 128 KB (43K x 24) with ECC |
| RAM | 8 KB |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-SSOP (0.209 in / 5.30 mm width) |
| Pin Count | 28 |
| Terminal Pitch | 0.65 mm |
| Motor Control PWM | 6-channel MCPWM |
| Op Amps | 3 on-chip |
| CTMU | Charge Time Measurement Unit (touch/measure) |
| Peripheral Pin Select | Yes (PPS remappable pins) |
| Qualification | AEC-Q100 automotive |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| RoHS Status | Compliant |
DSPIC33EV128GM002-E/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | RB0/AN0/VREF+ — Port B bit 0, analog input 0, positive voltage reference |
| Pin 3 | RB1/AN1/VREF- — Port B bit 1, analog input 1, negative voltage reference |
| Pin 4 | RB2/AN2/SS1 — Port B bit 2, analog input 2, SPI slave select 1 |
| Pin 5 | RB3/AN3/INDX — Port B bit 3, analog input 3, quadrature index input |
| Pin 6 | RB4/AN4/QEA — Port B bit 4, analog input 4, quadrature encoder A |
| Pin 7 | VDD — 5V power supply |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA2/OSC1/CLKI — Oscillator crystal input / external clock input |
| Pin 10 | RC15/OSC2/CLKO — Oscillator crystal output / clock output |
| Pin 11 | VCAP — Internal core regulator capacitor (connect to VSS via capacitor) |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RB5/AN5/QEB — Port B bit 5, analog input 5, quadrature encoder B |
| Pin 14 | RB6/PGD/AN6 — Port B bit 6, in-circuit debug data, analog input 6 |
| Pin 15 | RB7/PGC/AN7 — Port B bit 7, in-circuit debug clock, analog input 7 |
| Pin 16 | VDD — 5V power supply |
| Pin 17 | VSS — Ground reference |
| Pin 18 | RB8/INT0 — Port B bit 8, external interrupt 0 |
| Pin 19 | RB9 — Port B bit 9, remappable peripheral pin (PPS) |
| Pin 20 | RA0 — Port A bit 0, remappable peripheral pin (PPS) |
| Pin 21 | RB10 — Port B bit 10, remappable peripheral pin (PPS) |
| Pin 22 | RB11 — Port B bit 11, remappable peripheral pin (PPS) |
| Pin 23 | RB12 — Port B bit 12, analog-capable remappable pin (PPS) |
| Pin 24 | RB13 — Port B bit 13, analog-capable remappable pin (PPS) |
| Pin 25 | RB14 — Port B bit 14, analog-capable remappable pin (PPS) |
| Pin 26 | RB15 — Port B bit 15, remappable peripheral pin (PPS) |
| Pin 27 | VDD — 5V power supply |
| Pin 28 | VSS — Ground reference |
Typical Applications
DSPIC33EV128GM002-E/SS is suitable for 6 applications: Brushless DC Motor Control (Appliances), Automotive Position and Pump Controllers, Industrial Power Supplies and Digital Power, Sensor Signal Conditioning Nodes, Industrial Control and Automation Panels, Low-Cost Motor-Driven Consumer Products.
Brushless DC Motor Control (Appliances)
The DSPIC33EV128GM002-E/SS fits appliance BLDC drives because its 6-channel motor-control PWM (MCPWM) delivers complementary outputs with dead-time insertion and fault inputs for MOSFET half-bridges, while the 60 MIPS core executes commutation or sensorless FOC loops at kHz rates. The three on-chip op amps can amplify shunt-current signals directly, eliminating external amplifiers, and the CTMU plus ADC support back-EMF or touch interfaces. Its native 5V I/O withstands the noisy, high-dv/dt environment of inverter boards better than 3.3V MCUs. Placed as the sole controller with PWM routed to a gate-driver stage via Peripheral Pin Select, it typically runs commutation loops consuming only a fraction of the 128 KB ECC flash, leaving headroom for diagnostics. Trade-off: no on-chip gate driver, so gate-driver ICs remain necessary.
Recommended
Automotive Position and Pump Controllers
Because the dsPIC33EV series is AEC-Q100 qualified and the E-grade variant is rated -40C to +125C, the DSPIC33EV128GM002-E/SS suits under-hood and body-domain automotive loads such as electronic throttle bodies, fuel pumps, HVAC dampers, and wiper modules. The SENT peripheral (present in the family) allows transmission of sensor data over a single wire per the SAE SENT interface, a common automotive sensor bus. The 5V supply matches automotive sensor rails and improves ESD and noise robustness compared to 3.3V logic. In practice the controller reads position feedback via its ADC and op amps, closes a servo loop with the 60 MIPS core, and drives the actuator through the MCPWM module. Designers should budget for the extended temperature electrical derating and confirm PPAP documentation availability from Microchip for series production.
Recommended
Industrial Power Supplies and Digital Power
The 60 MIPS DSP core supports digital power conversion loops - power-factor-correction, LLC, and flyback control - where the 6-channel MCPWM generates phase-shifted or complementary switching patterns and the high-speed ADC samples current and voltage each cycle. The 5V I/O simplifies interfacing with optocoupler-side feedback in isolated supplies, and ECC flash protects firmware integrity during noisy switching events. With 128 KB flash, a full compensator plus communication and protection state machine fits comfortably; the 8 KB RAM holds fast loop variables and filter states. Compared to a dedicated digital-power ASIC, this DSC offers firmware flexibility for multi-output designs. The trade-off versus a dedicated PWM controller is firmware development effort, but the dsPIC33E ecosystem includes motor and power control libraries that shorten time to market.
Recommended
Sensor Signal Conditioning Nodes
The three integrated op amps, 12-bit ADC, and CTMU let the DSPIC33EV128GM002-E/SS build complete sensor nodes: amplifying thermistor, pressure, or current-shunt signals, filtering in the 60 MIPS DSP core (single-cycle MAC accelerates FIR/IIR math), and transmitting over remappable UART/SPI/I2C pins. In 5V industrial sensor busses, native 5V logic removes level-shifting to 4-20 mA or discrete output stages. The CTMU additionally enables capacitive touch panels for rugged operator interfaces where mechanical switches fail in wet or greasy environments - a documented strength of the dsPIC33EV family in appliances. Since PPS routes peripherals to nearly any of the RB pins, one PCB design serves multiple sensor variants. Memory use for signal-chain firmware typically stays well under the 128 KB flash, preserving margin for protocol stacks.
Recommended
Industrial Control and Automation Panels
In factory automation, the DSPIC33EV128GM002-E/SS acts as a local actuator or drive controller inside larger PLC-style systems: it closes servo loops, sequences relays, and handles encoder feedback via quadrature inputs (QEA/QEB on RB pins). The remappable UART/SPI/I2C peripherals let one firmware image support Modbus RTU over RS-485 or I2C sensor busses without PCB changes, and the E-grade temperature rating tolerates panel enclosures that reach 85C-plus internally. The 5V I/O network withstands electrically noisy motor cabinets where 3.3V boards suffer glitches, and ECC flash guards code in high-vibration environments. With 128 KB flash and 8 KB RAM, a complete PID control, diagnostics, and communication stack fits without external memory. Compared with PIC16/18-class parts, the DSP instructions roughly halve loop-execution time for filter-heavy control code.
Recommended
Low-Cost Motor-Driven Consumer Products
For fans, mixers, vacuum cleaners, and power tools, the DSPIC33EV128GM002-E/SS provides single-chip BLDC/induction control at commodity pricing - around $3.57 at LCSC as of 2026-09-26 - which is competitive for cost-sensitive appliance boards. Its 5V operation aligns with the rectified mains-supply rails common in white goods, reducing external regulator stages, and the robust 5V I/O tolerates triac and relay switching transients. The 6-channel MCPWM with fault shutdown provides the safety behavior required for motor-drive products, and sensorless control algorithms exploit the 60 MIPS core so no hall sensors are needed, cutting BOM cost further. The 128 KB flash accommodates sensorless FOC plus user-interface code with margin. Designers should verify I-grade vs E-grade selection against enclosure temperature during cost-down.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM002-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM002-I/SS | DSPIC33EV256GM002-E/SS | DSPIC33EV256GM002-I/SS | DSPIC33EV64GM002-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB ECC | 128 KB ECC | 256 KB ECC | 256 KB ECC | 64 KB ECC |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Core Performance | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| MCPWM / Op Amps | 6-ch PWM, 3 op amps | 6-ch PWM, 3 op amps | 6-ch PWM, 3 op amps | 6-ch PWM, 3 op amps | 6-ch PWM, 3 op amps |
Key Differentiators
- Extended -40C to +125C automotive-grade temperature range (vs DSPIC33EV128GM002-I/SS)
- 128 KB ECC flash balances cost and code headroom (vs DSPIC33EV256GM002-E/SS)
- Integrated analog (3 op amps + CTMU) reduces BOM (vs DSPIC33EV64GM002-I/SS)
Design Notes
Pin 11 (VCAP) requires an external low-ESR capacitor (typically a 10 uF ceramic plus a 0.1 uF per Microchip guidance - verify exact value in family datasheet DS70005144H) to ground for the internal 3.3V core regulator. Do not load the VCAP node with external circuitry. Decouple each VDD pin (7, 16, 27) with a 0.1 uF ceramic placed within 2 mm of the pin, plus one bulk 4.7-10 uF per board. Estimated: at 60 MIPS and 5V, operating current is tens of mA, so total dissipation is a few hundred mW - no heatsinking needed in 28-SSOP.
The 28-SSOP has 0.65 mm pin pitch; use a standard SSOP-28 land pattern per the Microchip package outline drawing and keep traces short on PGD/PGC (pins 14/15) so the in-circuit serial programming header remains functional even after conformal coating. Reserve the PGD/PGC pins exclusively for programming/debug - do not drive them from other circuitry during reset. Place the oscillator crystal (if used on pins 9/10) close to the device with ground guard traces; alternatively use the internal FRC oscillator to free both pins.
Ordering confusion between E/SS (-40C to +125C) and I/SS (-40C to +85C) variants is the most common mistake on this part - the suffixes are drop-in on the same board but not interchangeable in thermal qualification. Also note the core regulator start-up requires adequate VCAP capacitor ESR range; using only a 0.1 uF cap may cause brown-out during power ramp. For motor-control pins, enable the PWM fault input before enabling outputs to avoid shoot-through during startup transients.
Compliance Information
Distributor listings (Hotenda, DigiKey) identify the part as RoHS compliant and AEC-Q100 (automotive) qualified. REACH, halogen-free, and conflict minerals status not stated in provided data.
