DSPIC33EP128GP502-I/MM - 16-bit DSC 70 MIPS 128KB Flash | Microchip
MPN: DSPIC33EP128GP502-I/MM ✓ فعالDSPIC33EP128GP502-I/MM جائزہ
A digital signal controller combines the deterministic interrupt response and rich peripheral set of a microcontroller with single-cycle multiply-accumulate (MAC) and barrel-shifter performance of a fixed-point DSP. Within the embedded hierarchy, the dsPIC33E core sits above general-purpose 8-bit MCUs and parallel to 32-bit Cortex-M4 microcontrollers, occupying a unique niche for real-time control loops where both DSP math (FFT, FIR, PID with high update rate) and deterministic GPIO/PWM/timer scheduling are required in a single device.
Key features include the high-speed 70 MIPS dsPIC33E core with single-cycle MAC and hardware divide, dual high-speed PWM modules suitable for digital power conversion (each with independent time base, duty cycle, and fault inputs), up to four on-chip op amps usable for current sensing or signal conditioning, a 10/12-bit ADC with sample-and-hold, ECAN 2.0B for industrial networking, plus I2C, SPI and UART peripherals. The Peripheral Trigger Generator (PTG) automates peripheral-to-peripheral sequencing, offloading the CPU from repetitive timing chores.
Architecturally, the device uses a modified Harvard 16-bit core with a 2-stage pipeline, hardware divide, and a deterministic interrupt controller. Multiple PGECx/PGEDx pairs support In-Circuit Serial Programming (ICSP) and JTAG-style debugging, and any pair may be used for debug as long as PGECx and PGEDx match. The 28-pin QFN-S package exposes up to 21 general-purpose I/O pins while reserving pads for power, ground, programming/debug, and analog references.
Typical applications include brushless DC and PMSM motor control FOC loops, digital switched-mode power supplies and LED drivers running at high PWM frequencies, sensor signal conditioning nodes in industrial CAN networks, and portable/medical devices requiring low-cost DSP math.
When laying out the PCB, place the 10uF VCAP decoupling capacitor on VDDCORE as close to pin 24 as possible and connect every VDD/VSS pair. Solder the exposed thermal pad to a continuous ground pour for thermal dissipation; budget flash and RAM headroom since 128 KB / 16 KB is the mid-tier density of the GP502 family.
This page synthesizes distributor pricing, drop-in family alternatives, pinout, and practical design notes not found in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل DSPIC33EP128GP502-I/MM — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں DSPIC33EP128GP502-I/MM (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, RoHS Status, Core Architecture, CTMU.
DSPIC33EP128GP502-H/MM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33EP128GP502-E/MM
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33EP128GP502-I/SP
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33EP128GP502-I/MMVAO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33EP64GP502-I/MM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33EP128GP502-I/MM زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | dsPIC33E 16-bit DSC with DSP engine |
| Maximum CPU Speed | 70 MIPS at 60 MHz |
| Flash Program Memory | 128 KB |
| RAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| آپریٹنگ درجہ حرارت | -40 C to +125 C (industrial grade) |
| پیکیج | 28-pin QFN-S (6 x 6 mm) with exposed thermal pad |
| ماؤنٹنگ ٹائپ | Surface Mount |
| GPIO Pins | Up to 21 |
| ADC | 10/12-bit successive approximation |
| PWM Modules | High-speed PWM for power conversion |
| Op Amps | Up to 4 on-chip op amps |
| CAN | ECAN 2.0B |
| Communication | I2C, SPI, UART |
| Peripheral Trigger Generator | Yes (PTG) |
| CTMU | Yes (Charge Time Measurement Unit) |
| Debug Interface | ICSP via PGECx/PGEDx pairs |
| RoHS اسٹیٹس | Compliant |
DSPIC33EP128GP502-I/MM پن کنفیگریشن
| پن 1 | RA0/AN0 — GPIO / analog input 0 |
| پن 2 | RA1/AN1 — GPIO / analog input 1 |
| پن 3 | RA2/AN2 — GPIO / analog input 2 |
| پن 4 | RA3/AN3 — GPIO / analog input 3 |
| پن 5 | RA4/AN4 — GPIO / analog input 4 |
| پن 6 | VDD — Digital supply (3.0-3.6 V) |
| پن 7 | VSS — Digital ground |
| پن 8 | OSC1/CLKI — Crystal input / external clock |
| پن 9 | OSC2/CLKO — Crystal output |
| پن 10 | PGECx — In-Circuit Serial Programming clock (any pair may be used with PGEDx) |
| پن 11 | PGEDx — In-Circuit Serial Programming data (any pair may be used with PGECx) |
| پن 12 | RB0/AN5 — GPIO / analog input 5 |
| پن 13 | RB1/AN6 — GPIO / analog input 6 |
| پن 14 | RB2/AN7 — GPIO / analog input 7 |
| پن 15 | RB3/AN8 — GPIO / analog input 8 |
| پن 16 | RB4/AN9 — GPIO / analog input 9 |
| پن 17 | RB5 — GPIO |
| پن 18 | RB6 — GPIO |
| پن 19 | RB7 — GPIO |
| پن 20 | VSS — Digital ground |
| پن 21 | RC0 — GPIO |
| پن 22 | RC1 — GPIO |
| پن 23 | RC2 — GPIO |
| پن 24 | VDDCORE/VCAP — Core voltage decoupling (10 uF cap to VSS) |
| پن 25 | RC3 — GPIO |
| پن 26 | RC4 — GPIO |
| پن 27 | RC5 — GPIO |
| پن 28 | VDD — Digital supply (3.0-3.6 V) |
| پن PAD | EP (Exposed Pad) — Thermal pad - solder to ground pour for heat dissipation |
عام استعمالات
DSPIC33EP128GP502-I/MM کے لیے موزوں ہے 6 ایپلیکیشنs: BLDC and PMSM Motor Control, Digital Switched-Mode Power Supply (SMPS), Industrial CAN Sensor Node, LED Lighting Driver and Dimming Controller, Portable Medical and Wellness Devices, E-Bike and Light Electric Vehicle Controller.
BLDC and PMSM Motor Control
The DSPIC33EP128GP502-I/MM drives brushless DC and permanent-magnet synchronous motor FOC loops at 20 kHz PWM without CPU saturation. The 70 MIPS dsPIC33E core executes Clarke/Park transforms, SVM modulation and PI controllers in a single PWM period, while the integrated high-speed PWM provides complementary outputs with programmable dead-time to prevent shoot-through. On-chip op amps condition phase-current shunt signals and the 12-bit ADC samples at >1 MSPS for back-EMF sensing; ECAN broadcasts torque and fault telemetry to the supervisory controller. With 128 KB Flash, sensorless FOC plus startup and field-weakening tables fit comfortably.
تجویز کردہ
Digital Switched-Mode Power Supply (SMPS)
In a digital PFC or LLC converter, the DSPIC33EP128GP502-I/MM samples the boost inductor current and input voltage at >500 kSPS, executes a digital average-current control loop, and updates the high-speed PWM duty cycle every PWM period. The 70 MIPS throughput leaves headroom for input-voltage feed-forward, brown-out handling and I2C housekeeping to a system monitor. ECAN or UART enables telemetry of input/output power and temperature for data-center and telecom rectifiers. The 28-pin QFN-S package fits compact 1U power modules where PCB area is constrained.
تجویز کردہ
Industrial CAN Sensor Node
The DSPIC33EP128GP502-I/MM integrates a 12-bit ADC, on-chip op amps for transducer excitation, and ECAN 2.0B in a single 28-pin device, allowing a compact sensor or actuator node on an industrial CAN bus. The 16 KB RAM and 70 MIPS DSP engine enable on-node FIR filtering and RMS computation before CAN transmission, reducing bus traffic. The industrial -40 C to +125 C temperature grade and 3.3 V operation match 24V factory-rail sensor designs. Per verified listings, the QFN-S MM package with exposed pad is well suited to sealed IP67 enclosures with thermally conductive potting compound.
تجویز کردہ
LED Lighting Driver and Dimming Controller
Tunable-white and architectural LED drivers leverage the DSPIC33EP128GP502-I/MM's high-speed PWM channels for smooth 16-bit dimming without visible flicker. The DSP engine computes CIE-xy color-mixing ratios in real time while the on-chip op amps close the constant-current loop across multiple driver stages. The 128 KB Flash holds DMX-512 / DALI / 0-10V protocol stacks and fade tables. Industrial temperature grade and ECAN option suit commercial lighting backbone, and the small QFN-S footprint enables slim in-fixture designs.
تجویز کردہ
Portable Medical and Wellness Devices
Battery-powered medical devices such as pulse oximeters, infusion pumps and hearing aids use the DSPIC33EP128GP502-I/MM to run DSP filtering on biosignals (FFT-based heart-rate variability, adaptive noise cancellation in hearing aids) at very low quiescent current. The 3.0-3.6 V supply window matches single-cell Li-ion, the on-chip op amps and 12-bit ADC remove the need for external analog front-ends, and 16 KB RAM supports short audio buffers. The exposed-pad QFN-S package dissipates the small but continuous switching losses, and the industrial temperature grade supports skin-contact and ambient-range products.
تجویز کردہ
E-Bike and Light Electric Vehicle Controller
E-bike, e-scooter and small AGV traction controllers rely on the DSPIC33EP128GP502-I/MM to run sensorless or Hall-sensored FOC on a 48 V battery bus while monitoring throttle, brake and torque signals. ECAN connects the controller to a display or BMS, while the high-speed PWM and dead-time control drive the three-phase FET bridge safely at 20 kHz. The 128 KB Flash holds the FOC library plus ride-mode and torque-map tables, and the -40 C to +125 C industrial grade handles under-seat ambient conditions in summer. The QFN-S package keeps the controller PCB small enough to fit inside a down-tube housing.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DSPIC33EP128GP502-I/MM — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | DSPIC33EP128GP502-H/MM | DSPIC33EP128GP502-E/MM | DSPIC33EP128GP502-I/SP | DSPIC33EP128GP502-I/MMVAO | DSPIC33EP64GP502-I/MM |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin QFN-S (6x6 mm) MM | 28-pin QFN-S (6x6 mm) MM - same | 28-pin QFN-S (6x6 mm) MM - same | 28-pin SPDIP - different land pattern | 28-pin QFN-S (6x6 mm) MM - same | 28-pin QFN-S (6x6 mm) MM - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Maximum CPU Speed | 70 MIPS (60 MHz) | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Temperature Grade | Industrial -40C to +125C | High-temp -40C to +150C | Extended -40C to +150C | Industrial -40C to +125C | Automotive VAO grade | Industrial -40C to +125C |
| ECAN Support | Yes | Yes | Yes | Yes | Yes | Yes |
| Op Amps / PWM | Up to 4 op amps, high-speed PWM | Same | Same | Same | Same | Same |
اہم امتیازی خصوصیات
- Industrial -40C to +125C temperature grade in standard 28-pin QFN-S footprint (بمقابلہDSPIC33EP128GP502-E/MM)
- Highest-density Flash in the 28-pin QFN-S GP502 family (بمقابلہDSPIC33EP64GP502-I/MM)
- Compact 6x6 mm QFN-S with exposed thermal pad vs larger SPDIP (بمقابلہDSPIC33EP128GP502-I/SP)
ڈیزائن نوٹس
Place a 10 uF low-ESR ceramic capacitor on the VDDCORE/VCAP pin (pin 24) within 5 mm of the pad; the dsPIC33E core generates its own 1.8 V core from VDD via an internal regulator and requires this cap for stability. Estimated: total VDD current at 70 MIPS is roughly 50 mA, so a 0.1 uF + 10 uF cap combination handles both high-frequency decoupling and the regulator's bulk requirement. Always connect every VDD/VSS pair even if some are listed as optional.
Solder the exposed thermal pad (EP) of the QFN-S MM package to a continuous ground copper pour with at least 16 thermal vias stitching to an internal ground plane. Estimated: with 70 MIPS core and active PWM the part dissipates roughly 200 mW; without the EP soldered, junction temperature can rise 30-40 C above ambient. Avoid routing signal traces under the EP that would block the solder fillet.
Keep analog inputs (ANx) traces short and routed away from PWM outputs and switching nodes; the on-chip op amps have limited PSRR above 100 kHz. Place the ADC reference decoupling (AVDD/AVSS pair, 0.1 uF + 10 uF) as close to the analog supply pins as possible, and add a ferrite bead if analog supply is shared with digital VDD. Reserved PGECx/PGEDx pairs must be routed to a debug header even if production firmware uses only one pair, since the unused pair can serve as an alternate debug channel.
Do not exceed 3.6 V on any VDD pin or 5 V tolerant inputs (none are 5 V tolerant on dsPIC33E); a regulated 3.3 V LDO upstream is required. The I/MM suffix is the industrial grade - do not confuse with E/MM (extended 150 C) or H/MM (high-temp 150 C) for under-hood designs. Do not assume JTAG is available - dsPIC33EP uses ICSP via PGECx/PGEDx; a programmer such as MPLAB ICD 4 or PICkit 4 is required for in-circuit debug.
تعمیل کی معلومات
RoHS and REACH compliance per Microchip product page. AEC-Q100 is not qualified on the I/MM grade; for automotive-grade ECUs, the VAO suffix variant DSPIC33EP128GP502-I/MMVAO is required. Conflict-minerals statement available on Microchip.com.
