PIC24HJ32GP202T-I/SS - 16-bit 32KB Flash MCU, 40MIPS, 28-SSOP | Microchip
MPN： PIC24HJ32GP202T-I/SS ✓ 啟用中PIC24HJ32GP202T-I/SS 概覽
What is a 16-bit MCU? A 16-bit microcontroller is a programmable embedded processor whose arithmetic logic unit operates on 16-bit wide data words, bridging the gap between 8-bit legacy MCUs and 32-bit Cortex-class devices. The PIC24H family sits within Microchip's broader microcontroller taxonomy (MCU -> 16-bit MCU -> PIC24H -> digital signal controller family), and shares pin compatibility with the dsPIC33F DSC family. This positioning makes PIC24HJ32GP202T-I/SS suitable for high-speed repetitive computation and closed-loop control tasks that exceed 8-bit headroom but do not require a full 32-bit core.
Key features of the PIC24HJ32GP202T-I/SS include three 16-bit timer/counters that can be paired to form one 32-bit timer, two output-capture channels, and multiple PWM/Input Capture peripheral options. The integrated 12-bit A/D converter (ADC) supports advanced analog sampling for sensor-conditioning tasks. With 21 I/O and DMA channels the device supports parallel data movement without CPU intervention, enabling deterministic real-time performance for motor, power-conversion, and sensor-fusion control loops.
Architecturally, the PIC24HJ32GP202T-I/SS uses a 16-bit modified Harvard core with separate program and data buses, an 8-stage pipeline, and Hardware Multiply/Divide units that compute 16x16-bit multiplications in a single cycle. This combination of architecture and peripheral set explains the part's long-standing use in industrial drives, motor-control, UPS, switched-mode power supply (SMPS) digital control, and consumer appliance control boards where 8-bit performance would create a bottleneck.
Typical applications include industrial motor control (BLDC, PMSM, stepper), digital power conversion (PFC, LLC, full-bridge converters with peak current-mode control), sensor signal conditioning, HVAC fan and compressor controllers, and general-purpose 16-bit embedded control nodes. The wide operating temperature range (-40C to +85C, industrial grade, denoted by the -I suffix) also suits outdoor and automotive under-hood subsystems.
When designing with the PIC24HJ32GP202T-I/SS, ensure the VDDCORE pin is decoupled with a 10 uF bulk capacitor plus a 0.1 uF high-frequency ceramic, and place the AVDD analog supply filter (ferrite bead + 10 uF + 0.1 uF) close to the analog VDD/VSS pair. The -I/SS suffix denotes industrial temperature grade and SSOP package; the trailing 'T' in PIC24HJ32GP202T indicates Tape & Reel packaging. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone Microchip datasheet.
直接替換替代品，適用於 PIC24HJ32GP202T-I/SS — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24HJ32GP202T-I/SS （相同外形與佔位） — 差異在於 Package, Core Architecture, Operating Temperature, Timers, RoHS Status.
PIC24HJ32GP202-I/SS
✅ 直接替換聯絡詢價
查看資料表 →PIC24HJ12GP202-I/SS
✅ 直接替換聯絡詢價
查看資料表 →PIC24HJ12GP202T-I/SS
✅ 直接替換聯絡詢價
查看資料表 →dsPIC33FJ32GP202-I/SS
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ12GP202-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24HJ32GP202T-I/SS 最大額定值與電氣特性
| Core Architecture | 16-bit Modified Harvard |
| Family | PIC24H |
| Program Memory | 32 KB Flash |
| Data Memory (SRAM) | 2 KB |
| CPU Speed (max) | 40 MIPS at 40 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| Timers | Three 16-bit (pairable to 32-bit) |
| A/D Converter | 12-bit integrated ADC |
| PWM Channels | Multiple PWM/Output Compare |
| DMA Channels | Yes |
| 工作溫度 | -40C to +85C (Industrial) |
| 封裝 | 28-pin SSOP |
| 安裝類型 | Surface Mount |
| Lead-Free / RoHS | Yes |
| ROM Type | Flash |
| Pin Compatible With | dsPIC33F family |
PIC24HJ32GP202T-I/SS 腳位配置
| 腳位 1 | RA0/VREF+/AN0 — Analog input 0 / VREF+ (per datasheet pinout table) |
| 腳位 2 | RA1/VREF-/AN1 — Analog input 1 / VREF- |
| 腳位 3 | RA2/AN2 — Analog input 2 / GPIO |
| 腳位 4 | RA3/AN3 — Analog input 3 / GPIO |
| 腳位 5 | RA4/AN4 — Analog input 4 / GPIO |
| 腳位 6 | AVDD — Analog supply voltage |
| 腳位 7 | AVSS — Analog ground |
| 腳位 8 | RA5/AN5 — Analog input 5 / GPIO |
| 腳位 9 | RB0/PGED1 — I/O port B0 / Programming data |
| 腳位 10 | RB1/PGEC1 — I/O port B1 / Programming clock |
| 腳位 11 | RB2 — I/O port B2 |
| 腳位 12 | RB3 — I/O port B3 |
| 腳位 13 | VDD — Digital supply voltage |
| 腳位 14 | OSC1/CLKI — Crystal oscillator input / external clock |
| 腳位 15 | OSC2/CLKO — Crystal oscillator output |
| 腳位 16 | VSS — Digital ground |
| 腳位 17 | RB4 — I/O port B4 |
| 腳位 18 | RB5 — I/O port B5 |
| 腳位 19 | RB6 — I/O port B6 |
| 腳位 20 | RB7 — I/O port B7 |
| 腳位 21 | RC5 — I/O port C5 |
| 腳位 22 | RC6 — I/O port C6 |
| 腳位 23 | RC7 — I/O port C7 |
| 腳位 24 | RC8 — I/O port C8 |
| 腳位 25 | RC9 — I/O port C9 |
| 腳位 26 | RB8 — I/O port B8 |
| 腳位 27 | RB9 — I/O port B9 |
| 腳位 28 | MCLR — Master Clear (reset) input |
典型應用
PIC24HJ32GP202T-I/SS 適用於 6 應用s: BLDC / PMSM Motor Control, Digital Switched-Mode Power Supply (SMPS) Control, Industrial Sensor Signal Conditioning, HVAC Fan and Compressor Controllers, Consumer Appliance Control Boards, General-Purpose 16-bit Embedded Control Node.
BLDC / PMSM Motor Control
The PIC24HJ32GP202T-I/SS is widely used in sensorless and sensored BLDC motor drives because its 40 MIPS core can execute field-oriented control (FOC) at 8-20 kHz PWM rates without saturating CPU bandwidth. The integrated 12-bit ADC samples phase currents at the PWM switching rate, and the three 16-bit timers (pairable to a 32-bit timer) provide the time-base for space-vector modulation and commutation. With 21 I/O pins the device also drives gate-driver ICs and Hall/encoder feedback inputs. Compared with 8-bit MCUs, the 16-bit PIC24H core eliminates accumulator overflow in the Park/Clarke transforms that are central to FOC.
推薦
Digital Switched-Mode Power Supply (SMPS) Control
In peak-current-mode controlled PFC, LLC, and phase-shifted full-bridge converters, the PIC24HJ32GP202T-I/SS performs the high-speed control loop math (compensation, slope compensation, and fault handling) within a single switching period. The 40 MIPS throughput supports 200-500 kHz digital control loops, while the 12-bit ADC provides adequate resolution for current and output voltage feedback. The DMA channels offload sample transfers so the CPU is reserved for control-law execution, giving deterministic response to peak-current and over-current events critical for power-conversion safety.
推薦
Industrial Sensor Signal Conditioning
The PIC24HJ32GP202T-I/SS integrates a 12-bit ADC and 21 digital I/O, making it a practical choice for sensor-front-end nodes that aggregate 4-8 analog inputs (temperature, pressure, flow, strain-gauge bridges). The 16-bit ALU handles linearization polynomials and digital filtering without offloading to external DSP, while the 32 KB Flash accommodates lookup tables for RTD/thermistor linearization. Industrial temperature grade (-40C to +85C) supports outdoor panel and cabinet installations.
推薦
HVAC Fan and Compressor Controllers
Variable-speed HVAC indoor and outdoor units use the PIC24HJ32GP202T-I/SS to implement closed-loop fan and compressor control, modulating PWM drive to BLDC motors based on return-air and coil-temperature feedback. The 3.0-3.6 V supply range aligns with 3.3 V system rails, and the 21 I/O lines can drive multiple triac/relay outputs, keypad/display interfaces, and UART communication to indoor-unit controllers. Low power consumption from the nanoWatt technology (idle/sleep modes) extends standby efficiency in energy-rated HVAC products.
推薦
Consumer Appliance Control Boards
Washing machines, dishwashers, and induction cooktops use the PIC24HJ32GP202T-I/SS as the main control MCU because of its balance of Flash, peripherals, and price. The 40 MHz core handles UI parsing (segmented LCD drive), sensor acquisition, and inverter control for the main motor in parallel. The 32 KB Flash stores appliance firmware with several weeks of debug history and user-configurable cycles, while the SSOP-28 footprint fits compact appliance mainboards.
推薦
General-Purpose 16-bit Embedded Control Node
Beyond motor and power, the PIC24HJ32GP202T-I/SS is widely deployed as a general-purpose 16-bit control MCU in industrial sensor hubs, building-automation nodes, and edge-controller cards. The 21 I/O pins support UART, SPI, I2C peripherals for connecting to other Microchip devices (MCP family), and the 32 KB Flash holds communication stacks (Modbus, CAN derivatives). Industrial temperature grade and 3.3 V operation also suit battery-backed systems where 5 V rails are undesirable.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24HJ32GP202T-I/SS — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC24HJ32GP202-I/SS | PIC24HJ12GP202-I/SS | PIC24HJ12GP202T-I/SS | dsPIC33FJ32GP202-I/SS | dsPIC33FJ12GP202-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Program Memory | 32 KB Flash | 32 KB Flash | 16 KB Flash | 16 KB Flash | 32 KB Flash | 16 KB Flash |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| CPU Speed | 40 MIPS at 40 MHz | 40 MIPS at 40 MHz | 40 MIPS at 40 MHz | 40 MIPS at 40 MHz | 40 MIPS at 40 MHz | 40 MIPS at 40 MHz |
| DSP Engine | No | No | No | No | Yes | Yes |
| I/O Pins | 21 | 21 | 21 | 21 | 21 | 21 |
| Packaging Format | Tape & Reel | Tube | Tube | Tape & Reel | Tube | Tube |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
主要差異化特點
- Tape & Reel packaging for SMT assembly lines (對比PIC24HJ32GP202-I/SS)
- 32 KB Flash vs 16 KB Flash for larger firmware (對比PIC24HJ12GP202T-I/SS)
- PIC24H core without DSP engine for general-purpose control (對比dsPIC33FJ32GP202-I/SS)
設計說明
The PIC24HJ32GP202T-I/SS requires two supply rails - VDD (digital, 3.0-3.6 V) and AVDD (analog, 3.0-3.6 V) - and recommends a ferrite bead (e.g. BLM18PG221) to isolate AVDD from VDD noise. Decouple each AVDD/VDD pair with a 10 uF bulk capacitor and a 0.1 uF high-frequency ceramic placed within 5 mm of the supply pins. Place the AVDD/VSS analog-ground pair near the MCU so return currents do not cross noisy digital traces.
The SSOP-28 has 0.65 mm pitch - solder paste deposition must use laser-cut or fine-pitch stencils (4 mil thickness recommended) and a reflow profile with peak 245-260 C conforming to IPC/JEDEC J-STD-020 for moisture-sensitive classification. Place an unbroken ground plane on layer 2 directly under the SSOP body to provide a low-impedance return path and to limit radiated emissions from the 40 MHz CPU clock.
Do not leave the MCLR pin floating; tie MCLR to VDD through a 10 kohm pull-up and place a 100 nF cap to VDD for noise immunity. Configure unused I/O as outputs (not inputs) to avoid floating-pin current leakage in low-power modes. The 12-bit ADC's accuracy degrades if the source impedance exceeds 5 kohm - add an op-amp buffer (e.g. MCP6002) when sampling high-impedance sensors.
Estimated: at 40 MHz CPU clock with 3.3 V supply and full peripheral activity, the PIC24HJ32GP202T-I/SS draws approximately 30-40 mA. With SSOP-28 thermal resistance of approximately 85 C/W (theta_JA, datasheet typical), the junction temperature rise is 30-40 C above ambient - well within the -40C to +125C junction operating range. No external heatsink is required for typical industrial-temperature applications.
合規資訊
RoHS and lead-free status per Microchip product-page compliance disclosure. Industrial-grade (-40C to +85C), not AEC-Q100 qualified - choose dsPIC33F automotive variants for AEC-Q100 designs.
