DSPIC33CK512MP308-E/PT - 100MHz DSC, 512KB Flash | Microchip
MPN: DSPIC33CK512MP308-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.1 | $6.10 |
| 10 | $5.55 | $55.50 |
| 100 | $4.85 | $485.00 |
| 500 | $4.2 | $2,100.00 |
| 1,000 | $3.85 | $3,850.00 |
DSPIC33CK512MP308-E/PT Overview
A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP engine. Within the power-management hierarchy, the DSC sits above a conventional 16-bit MCU: it pairs a RISC CPU with multiply-accumulate (MAC) DSP instructions, making it the preferred device class for closed-loop control loops such as field-oriented motor control, digital power conversion, and real-time signal processing.
Key features include 100 MIPS execution from the dsPIC33CK core, dual-panel Flash enabling live firmware updates and boot partitioning, integrated operational amplifiers that reduce external analog component count, 12-bit ADCs for high-resolution current and voltage sensing, and advanced PWM peripherals tailored for power conversion topologies. The Mouser listing confirms the configuration: 100 MHz core, 512K dual-panel Flash, 64K RAM, OpAmps, 12-bit ADCs, and PWM.
Technically, the dsPIC33CK family operates from a single 3.0 V to 3.6 V supply with an operating voltage ceiling of 3.6 V, as reflected in distributor parametric data. The dual-partitioned program memory may be used unpartitioned as a single block (0x000000-0x058000) or split so each partition can boot the device, per third-party documentation. Eight DMA channels and eight general-purpose timers offload the CPU for high-throughput tasks. The -E temperature suffix denotes the extended operating range for harsh environments.
Typical applications include precision motor control (BLDC/PMSM field-oriented control), digital SMPS and power-factor-correction converters, industrial automation, and battery management systems, all of which exploit the 100 MIPS core and specialized PWM and ADC peripherals.
When designing with this device, budget the 3.3 V rail carefully and take advantage of the on-chip op amps with external resistor networks to condition shunt-current signals ahead of the 12-bit ADC, minimizing bill-of-material cost.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33CK512MP308-E/PT — 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 DSPIC33CK512MP308-E/PT (same form factor and footprint) — differing in Core, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK512MP308-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.95 / Unit
View Datasheet →DSPIC33CK512MP308-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK256MP308-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MP308-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK512MP508-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK512MP308-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Clock Frequency | 100 MHz |
| Performance | 100 MIPS |
| Program Memory Size | 512 KB (512K x 8) Flash |
| Program Memory Type | Dual Panel Flash (boot-partitionable) |
| RAM Size | 64 KB |
| Supply Voltage | 3 V to 3.6 V |
| ADC Resolution | 12 bit |
| On-chip Op Amps | Yes |
| PWM Peripherals | Yes (advanced PWM) |
| DMA Channels | 8 |
| Timers | 8 general-purpose timers |
| Number of Terminals | 80 |
| Package | 80-TQFP (12x12 mm), TFQFP, 0.50 mm pitch, Gull Wing |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
DSPIC33CK512MP308-E/PT 80-tqfp (12x12 mm), tfqfp, 0.50 mm pitch, gull wing Pin Configuration Guide
Pin configuration for DSPIC33CK512MP308-E/PT (80-tqfp (12x12 mm), tfqfp, 0.50 mm pitch, gull wing package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33CK512MP308-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK512MP308-E/PT is suitable for 6 applications: Precision Motor Control (FOC for BLDC/PMSM), Digital Switch-Mode Power Supplies and PFC, Industrial Automation and PLC I/O, Battery Management Systems (BMS), Real-Time Signal Processing and Sensing Front Ends, Automotive-Adjacent and Harsh-Environment Control Units.
Precision Motor Control (FOC for BLDC/PMSM)
Microchip positions the dsPIC33CK family explicitly for high-performance, precision motor control systems, and the DSPIC33CK512MP308-E/PT fits that role directly. Its 100 MHz (100 MIPS) core executes field-oriented control (FOC) current loops well above typical 10-20 kHz PWM frequencies, while the advanced PWM peripheral provides complementary outputs, programmable dead time, and hardware fault shutdown for three-phase inverters. The on-chip operational amplifiers amplify shunt-resistor phase-current signals into the 12-bit ADCs, eliminating external amplifier ICs and shortening the feedback path. In a typical PMSM drive, the DSC runs the FOC loop in interrupt context while DMA services ADC results, leaving CPU headroom for communications and protocol handling. The dual-panel Flash also allows firmware-field updates of motor control code without suspending production programming stations.
Recommended
Digital Switch-Mode Power Supplies and PFC
Digital SMPS designs benefit from the DSPIC33CK512MP308-E/PT's combination of a 100 MIPS core, high-resolution 12-bit ADC sampling, and purpose-built PWM with dead-time and fault controls suited to buck, boost, LLC, and power-factor-correction stages. The op amps condition current-transformer or shunt feedback ahead of the ADC, enabling average-current-mode control without external analog front-end parts. Control loops are executed in a high-priority interrupt each switching cycle, and eight DMA channels stream ADC results into RAM so the CPU is not burdened with data movement. The 3.0 V to 3.6 V single-supply operation simplifies bias generation from an auxiliary winding. The extended -E temperature rating supports power supplies mounted inside sealed industrial enclosures where ambient temperatures exceed standard commercial limits.
Recommended
Industrial Automation and PLC I/O
In industrial automation nodes, the DSPIC33CK512MP308-E/PT acts as a real-time coprocessor handling deterministic tasks such as encoder decoding, sensor filtering, and actuator PWM while a host processor or PLC manages protocol logic. The 512 KB dual-panel Flash accommodates large firmware images including communication stacks and diagnostics, and the dual-partition scheme (single block 0x000000-0x058000 unpartitioned, or split into two bootable partitions) enables field firmware upgrades with rollback safety. Sixty-four KB of RAM buffers DMA-driven ADC streams from analog input cards. The 80-pin TQFP provides abundant GPIO for relay, optocoupler, and digitizer interfacing. The -E extended-temperature grade aligns with cabinet environments that routinely reach elevated temperatures, and its RoHS-compliant construction meets industrial environmental requirements.
Recommended
Battery Management Systems (BMS)
Battery management systems require precise current and voltage measurement plus fast protective cutoffs, all of which the DSPIC33CK512MP308-E/PT delivers. The 12-bit ADCs, aided by on-chip op amps for shunt amplification, resolve pack current and cell-stack voltages, while timer peripherals timestamp events for coulomb counting. Software-controlled balancing PWM outputs drive balancing FETs, and the 100 MHz core executes state-of-charge estimation algorithms, including Kalman-style filters, within measurement cycles. The dual-panel Flash supports field firmware updates as battery chemistry models improve over product life. Eight DMA channels offload continuous monitoring loops, and the extended -E temperature rating suits battery packs located in outdoor or under-hood adjacent environments where temperatures exceed the industrial range. RoHS compliance supports commercial battery-product certifications.
Recommended
Real-Time Signal Processing and Sensing Front Ends
The dsPIC33CK core integrates a DSP engine with multiply-accumulate instructions, making the DSPIC33CK512MP308-E/PT suitable for embedded signal-processing tasks such as digital filtering, FFT-based vibration analysis, and sensor linearization. The 12-bit ADCs, clocked continuously with DMA streaming into the 64 KB RAM, acquire waveforms without CPU intervention; the 100 MHz core then applies FIR/IIR filters or spectral transforms within deterministic time budgets. On-chip op amps buffer microphone, accelerometer, or current-transformer signals directly, reducing board area in compact sensing nodes. Dual-panel Flash permits post-deployment algorithm upgrades, valuable in predictive-maintenance products whose analytics evolve. Where a design later needs two cores for partitioned sensing and communication, the same-family dsPIC33CH dual-core devices provide an upgrade path, though not a pin-to-pin drop-in.
Recommended
Automotive-Adjacent and Harsh-Environment Control Units
While the standard DSPIC33CK512MP308-E/PT is not AEC-Q100 qualified, its extended -E temperature grading and robust peripheral set make it applicable to harsh-environment control units outside strict automotive safety scopes, such as off-road equipment controllers, pump and fan drives, and industrial vehicle accessories. The 100 MIPS core closes motor control and power-conversion loops in electric pumps and actuators, the advanced PWM handles three-phase bridges with hardware fault protection, and dual-partition Flash enables secure field reprogramming in the field. The 80-pin TQFP (12x12 mm, 0.50 mm pitch) offers a well-supported footprint for vibration-tolerant surface-mount assembly. For applications requiring formal automotive qualification, select a Microchip automotive-graded DSC variant and verify qualification documentation rather than substituting this commercial/extended-grade part.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK512MP308-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK512MP308-I/PT | DSPIC33CK512MP308-H/PT | DSPIC33CK256MP308-I/PT | DSPIC33CK64MP308-I/PT | DSPIC33CK512MP508-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Core / Speed | dsPIC33CK, 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Flash Memory | 512 KB dual-panel | 512 KB dual-panel | 512 KB dual-panel | 256 KB | 64 KB | 512 KB |
| Temperature Grade | Extended (-E) | Industrial (-I) | -40C to +150C (-H) | Industrial (-I) | Industrial (-I) | Industrial (-I) |
| On-chip OpAmps / 12-bit ADC / PWM | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes (channel counts differ - verify) |
Key Differentiators
- Extended temperature range (vs DSPIC33CK512MP308-I/PT)
- Full 512 KB dual-panel Flash with live update (vs DSPIC33CK256MP308-I/PT)
- Highest-temperature drop-in sibling (vs DSPIC33CK512MP308-H/PT)
Design Notes
Power the DSPIC33CK512MP308-E/PT from a clean 3.0 V to 3.6 V rail (nominally 3.3 V, 3.6 V max per distributor parametric data). Decouple each VDD pin with 0.1 uF ceramics placed within 2 mm of the pin, plus bulk 10 uF per supply domain; follow the power distribution guidance in Microchip's dsPIC33CK family datasheet decoupling section. The 100 MHz core produces fast current transients, so shared-rail designs with motors or power stages should use a dedicated regulator or a ferrite-isolated supply branch for the DSC.
The 80-TQFP (12x12 mm, 0.50 mm pitch) requires controlled soldering: use a 0.5 mm-pitch stencil, no-clean flux, and inspect with 10x magnification for bridging on the fine-pitch gull-wing leads. Route analog op-amp inputs (shunt sensing) away from PWM traces and keep the analog ground region continuous back to a single star point. This board strategy pairs naturally with the on-chip op amps feeding the 12-bit ADCs, preserving effective resolution of 12 bits instead of losing bits to switching-noise-coupled ground bounce.
Two frequent mistakes: (1) choosing the -E grade assuming AEC-Q100 qualification - the -E suffix is an extended-temperature commercial grade, not an automotive qualification; (2) confusing ordering codes - DSPIC33CK512MP308T-E/PT is the same die in tape-and-reel, while -I and -H are different temperature grades. Also confirm exact -E range in the current Microchip datasheet revision before finalizing thermal design, and account for the 0.058 MB (0x058000) partition boundary when using dual-boot Flash layouts.
Compliance Information
RoHS compliance indicated by distributor listings (RoHS-compliant active production part). Not AEC-Q100 qualified - the -E suffix is an extended-temperature grade, not an automotive qualification. REACH/halogen status not stated in provided data.
