DSPIC33CK32MP202-E/SS - 16-bit 100MHz DSC, 32KB Flash | Microchip
料号： DSPIC33CK32MP202-E/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.62 | $3.62 |
| 10 | $3.28 | $32.80 |
| 100 | $2.87 | $287.00 |
| 500 | $2.54 | $1,270.00 |
| 1,000 | $2.21 | $2,210.00 |
DSPIC33CK32MP202-E/SS 概述
A digital signal controller combines the computational power of a digital signal processor (DSP) with the control peripherals and ease of use of a microcontroller (MCU). In the system hierarchy, the dsPIC33CK32MP202 sits between general-purpose MCUs and full DSPs, making it a popular choice for embedded control loops that require fast, deterministic interrupt response and hardware math acceleration in a single-chip solution.
Key features include the 100 MHz dsPIC33C core with DSP instruction set and fast interrupt handling, dual-panel flash enabling live firmware updates, and on-chip op amps that reduce external component count in current-sense paths. The high-resolution PWM module supports switching power conversion and motor control topologies with fine duty-cycle resolution, while the 12-bit ADC supports simultaneous multi-channel sampling for digital power loops.
The dsPIC33CK architecture implements an optimized interrupt controller with low, deterministic latency, which is essential for peak-current-mode power supplies and field-oriented control (FOC) of motors. The C compiler toolchain (MPLAB X IDE with XC16 compiler) plus the MPLAB Code Configurator simplify peripheral setup.
Typical applications include digital power supplies (LLC, totem-pole PFC), brushless DC and PMSM motor control, digital lighting, battery charging, and advanced sensing where deterministic control-loop timing is required.
Design consideration: budget PCB decoupling for each VDD/AVDD pin pair and verify PWM dead-time settings early, since the extended-temperature E-grade part is often deployed in thermally demanding industrial environments.
This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33CK32MP202-E/SS ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33CK32MP202-E/SS （相同外形与封装尺寸） ——差异在于 Package, ADC Resolution, Operating Temperature, Architecture, Core.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK256MP202-I/SS
✅ 直接替换✓ 有现货
$3.15 / 个
查看数据手册 →DSPIC33CK32MP202-I/SS
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK64MP202-E/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.36 / 个
查看数据手册 →DSPIC33CK32MP202-E/SS 最大额定值与电气特性
| Core Processor | dsPIC33C (16-bit) |
| Core Speed | 100 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 8 KB |
| 数据总线宽度 | 16 bit |
| ADC Resolution | 12 bit |
| Integrated Op Amps | Yes |
| PWM | High-Resolution PWM |
| 工作温度 | -40C to +125C (E grade) |
| 封装 | 28-SSOP |
| 安装类型 | Surface Mount |
| Programmability | In-System Programmable (dual-panel flash) |
| Functional Safety Support | Yes (FuSa per DigiKey listing) |
| Family | dsPIC33CK (dsPIC33C DSC family) |
DSPIC33CK32MP202-E/SS 引脚配置
| 引脚 1 | MCLR — Master clear reset input (active low, programming voltage) |
| 引脚 2 | AN0/RA0 — Analog input 0 / port A bit 0 |
| 引脚 3 | AN1/RA1 — Analog input 1 / port A bit 1 |
| 引脚 4 | PGD1/AN2/RB1 — Programming data / analog input 2 / port B bit 1 |
| 引脚 5 | PGC1/AN3/RB0 — Programming clock / analog input 3 / port B bit 0 |
| 引脚 6 | AN4/RB2 — Analog input 4 / port B bit 2 |
| 引脚 7 | AN5/RB3 — Analog input 5 / port B bit 3 |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1/RA2 — Crystal oscillator input / port A bit 2 |
| 引脚 10 | OSC2/RC15 — Crystal oscillator output / port C bit 15 |
| 引脚 11 | VDD — Positive supply |
| 引脚 12 | RC13 — Port C bit 13 / peripheral pin select functions |
| 引脚 13 | RC14 — Port C bit 14 / peripheral pin select functions |
| 引脚 14 | AVDD — Analog supply |
| 引脚 15 | AVSS — Analog ground |
| 引脚 16 | RB15 — Port B bit 15 / peripheral pin select functions |
| 引脚 17 | RB14 — Port B bit 14 / peripheral pin select functions |
| 引脚 18 | RB13 — Port B bit 13 / peripheral pin select functions |
| 引脚 19 | RB12 — Port B bit 12 / peripheral pin select functions |
| 引脚 20 | VDD — Positive supply |
| 引脚 21 | RB11 — Port B bit 11 / peripheral pin select functions |
| 引脚 22 | RB10 — Port B bit 10 / peripheral pin select functions |
| 引脚 23 | RB9 — Port B bit 9 / peripheral pin select functions |
| 引脚 24 | RB8 — Port B bit 8 / peripheral pin select functions |
| 引脚 25 | RB7 — Port B bit 7 / peripheral pin select functions |
| 引脚 26 | RB6 — Port B bit 6 / peripheral pin select functions |
| 引脚 27 | RB5 — Port B bit 5 / peripheral pin select functions |
| 引脚 28 | VSS — Ground reference |
典型应用
DSPIC33CK32MP202-E/SS 适用于 6 应用s: Digital Power Supplies, BLDC / PMSM Motor Control, Battery Charging Systems, Digital Lighting and LED Drivers, Advanced Sensing and Control, Functional Safety Industrial Systems.
Digital Power Supplies
The DSPIC33CK32MP202-E/SS fits digital power conversion because its 100 MHz dsPIC33C core closes voltage- and current-loop compensation in software with deterministic interrupt latency, while the 12-bit ADC samples output voltage and shunt current at control-loop rate. The high-resolution PWM module provides fine duty-cycle and dead-time control essential for LLC, buck, and totem-pole PFC topologies. In a typical design the DSC sits between the feedback divider and gate drivers, executing the compensator every switching cycle; unlike fixed-frequency analog controllers it allows firmware-tunable loop dynamics and startup sequencing. The integrated op amps buffer current-shunt signals without external amplifiers, saving board area. The -40C to +125C E grade tolerates the elevated ambient temperatures found near magnetics and power switches.
推荐
BLDC / PMSM Motor Control
The DSPIC33CK32MP202-E/SS is well matched to sensorless field-oriented control (FOC) of brushless DC and PMSM motors. The 100 MHz core with DSP multiply-accumulate instructions executes Clarke/Park transforms and the current-loop PI controllers within one PWM period, and the low deterministic interrupt latency keeps torque ripple low. The high-resolution PWM generates the three-phase drive with fine duty resolution and hardware dead-time insertion, while the 12-bit ADC simultaneously samples phase currents via the integrated op amps, eliminating external current-amplifier ICs. The controller typically interfaces with a three-phase gate driver; positioning the E-grade part on the motor-drive PCB also survives the +85C to +125C ambients common in sealed industrial and e-appliance housings. Microchip provides motor-control libraries and reference designs for this family.
推荐
Battery Charging Systems
Battery chargers benefit directly from the DSPIC33CK32MP202-E/SS parameter set. The 12-bit ADC measures battery voltage, current, and temperature with sufficient resolution for CC/CV and stage-based charging profiles, and the high-resolution PWM drives synchronous buck power stages with the duty-cycle accuracy needed for tight constant-current regulation. The 100 MHz core runs the charging state machine and safety monitors (over-voltage, over-current, over-temperature) entirely in firmware, so charge profiles can be tuned per battery chemistry without hardware redesign. The dual-panel flash allows firmware updates in the field, useful when charge algorithms are revised. In a typical implementation the DSC supervises a synchronous buck between the adapter rail and the pack; the extended 125C grade suits chargers integrated into hot enclosures such as power tools or e-bike packs.
推荐
Digital Lighting and LED Drivers
For digitally controlled LED drivers, the DSPIC33CK32MP202-E/SS provides the PWM resolution and loop speed required for flicker-free dimming. The high-resolution PWM can set both switching duty cycle for current regulation and an auxiliary channel for dimming, achieving high dimming-ratio linearity that 8-bit microcontroller PWM cannot reach. The 12-bit ADC closes the LED current loop each cycle, compensating for forward-voltage drift as the junction heats. The 100 MHz core also handles communication protocols such as DMX or DALI decoding in the same chip, consolidating the driver controller into one 28-pin device. Because lighting fixtures often reach high internal ambient temperatures, the -40C to +125C E-grade qualification is a practical advantage. The 8 KB RAM comfortably holds comms buffers alongside the control loop.
推荐
Advanced Sensing and Control
The DSPIC33CK32MP202-E/SS serves advanced sensing nodes that must condition analog signals and make fast control decisions locally. The integrated op amps amplify low-level sensor outputs such as pressure bridges or thermocouple-conditioned signals, and the 12-bit ADC digitizes multiple channels with flexible scan sequencing. The 100 MHz DSP core applies digital filtering (IIR/FIR) and even FFT-based analysis on-chip, offloading the host or removing it entirely in standalone sensors. Deterministic interrupt response timestamped against internal timers supports time-of-flight and event-detection measurements. The dual-panel flash enables firmware field updates for recalibration. Industrial sensors frequently operate above 85C, making the +125C E grade a differentiator over consumer-graded MCUs in the same footprint, and Microchip's functional-safety support eases deployment in monitored industrial equipment.
推荐
Functional Safety Industrial Systems
DigiKey classifies the DSPIC33CK32MP202-E/SS within Microchip's Functional Safety (FuSa) dsPIC33C portfolio, which makes it appropriate for industrial equipment that must document failure behavior. The 100 MHz core delivers deterministic execution, the dual-panel flash supports safe over-the-air firmware updates with fallback, and the on-chip supervisory features support watchdog-based fault containment. Typical uses include safety-monitored motor starters, power supplies with fault-reporting telemetry, and process-control actuators where control-loop timing must be predictable. Designers combine this DSC with external monitoring or use Microchip's functional-safety design collateral to accelerate ISO 13849 / IEC 61508 style documentation efforts. The extended -40C to +125C rating covers industrial cabinets and outdoor enclosures, and the 28-SSOP footprint keeps board cost low for high-volume safety-rated nodes.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK32MP202-E/SS ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33CK256MP202-I/SS | DSPIC33CK32MP202-I/SS | DSPIC33CK64MP202-E/SS |
|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 32 KB | 256 KB | 32 KB | 64 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C | -40C to +85C | -40C to +125C |
| Integrated Op Amps | Yes | Yes (MP202 die) | Yes | Yes (MP202 die) |
| 12-bit ADC | Yes | Yes | Yes | Yes |
关键差异点
- Extended temperature range in the same package （对比 DSPIC33CK32MP202-I/SS)
- Lowest-cost entry into the 100 MHz dsPIC33CK family （对比 DSPIC33CK256MP202-I/SS)
- Integrated op amps reduce BOM （对比 DSPIC33CK256MP202-I/SS (same die) and generic MCUs without op amps)
设计说明
Provide dedicated decoupling on every VDD pin (0.1 uF ceramic as close as possible to the pin) and on the AVDD pin, with a ferrite or RC filter isolating AVDD from the digital rail to preserve ADC accuracy. Place the analog ground connection so return currents from the PWM/gate-driver section do not cross the analog ground island. The 28-SSOP lead pitch of 0.65 mm is hand-solderable, but keep thermal relief on ground pads for rework. Estimated: a 1-inch 2-oz ground pour significantly lowers die temperature versus minimal copper in +125C ambients.
The -E/SS and -I/SS suffixes differ only in temperature grade but this matters: substituting an industrial -I part (85C ceiling) into a design qualified to 125C voids the thermal budget. Also, high-resolution PWM dead-time registers must be configured before enabling outputs, otherwise shoot-through can occur in half-bridge stages during the first cycles. Verify the peripheral pin-select (PPS) mapping early because the 28-pin package bonds out fewer pins than family datasheet tables suggest - a peripheral listed in the datasheet may not be routable to an available pin.
The dual-panel flash enables live firmware updates: partition the code so the active panel is never erased while the control loop runs, and gate the update logic behind a validated bootloader. In digital power applications, allocate the 12-bit ADC conversions to hardware-triggered sampling synchronized to the PWM period for jitter-free current-loop feedback; software-triggered sampling introduces conversion jitter that appears as output ripple. Estimated: even 1-2 switching periods of loop latency can reduce achievable bandwidth by roughly a third in a peak-current-mode buck.
合规信息
Compliance data not present in the provided verified web data; consult the official Microchip product page or environmental datasheet for RoHS/REACH declarations.
