DSPIC33FJ32GP101T-E/SO - 16-Bit 16 MIPS DSC 32KB Flash | Microchip
料号： DSPIC33FJ32GP101T-E/SO ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.2 | $62.00 |
| 100 | $5.5 | $550.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.45 | $4,450.00 |
DSPIC33FJ32GP101T-E/SO 概述
A digital signal controller is a hybrid device that merges the deterministic control structure of a microcontroller (MCU) with the math throughput of a digital signal processor (DSP). Within the power management hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, making it a natural fit for closed-loop power conversion, motor control, and sensor signal conditioning where both fast interrupts and multiply-accumulate operations are required.
Key features of the DSPIC33FJ32GP101 include three 12-bit 1000 ksps ADC channels with simultaneous sampling support, a CTMU (Charge Time Measurement Unit) for capacitive touch and precision time measurement, an RTCC (Real-Time Clock and Calendar) module for timekeeping, and multiple remappable peripheral pin select (PPS) options that let designers route UART, SPI, and I2C functions to flexible pin locations. General-purpose I/O can sink or source up to 10 mA or 6 mA per pin, with 5V-tolerant input pins easing interfacing with legacy 5V logic.
The -E temperature grade qualifies the device for operation across -40C to +125C ambient, and this specific ordering code is AEC-Q100 qualified, making it suitable for automotive-adjacent and other high-reliability applications. In-circuit debugging and In-Circuit Serial Programming (ICSP) are supported through any PGECx/PGEDx pin pair via MPLAB X IDE and the MPLAB Snap debugger.
Typical applications include switch-mode power supplies, sensor signal conditioning, capacitive touch interfaces using the CTMU, and general-purpose control boards needing DSP-grade math in an 18-pin footprint.
A key design consideration: the device requires the ICSP pair (PGECx and PGEDx) to be used consistently as a matched pair, and all VDD and VSS pins must be connected for programming to succeed.
This page adds value beyond the manufacturer datasheet by consolidating distributor availability data, drop-in same-package alternatives, and practical design notes in one place.
直接替换替代料： DSPIC33FJ32GP101T-E/SO ——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： DSPIC33FJ32GP101T-E/SO （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, Packaging, I/O Sink/Source Current, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ32GP101-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ32GP101T-I/SO
✅ 直接替换✓ 有现货
$3.8 / 个
查看数据手册 →DSPIC33FJ32GP101-I/SO
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →DSPIC33FJ32GP102T-I/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.19 / 个
查看数据手册 →DSPIC33FJ32GP101-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ32GP101T-E/SO 最大额定值与电气特性
| Core Architecture | dsPIC 16-bit core |
| Core Performance | 16 MIPS |
| Program Memory (FLASH) | 32 KB (11K x 24) |
| RAM | 2 KB |
| ADC | 3-channel, 12-bit |
| CTMU | Charge Time Measurement Unit, 1 module |
| RTCC | Real-Time Clock and Calendar, 1 module |
| Comparators | 3 comparators |
| I/O Sink/Source Current | 10 mA or 6 mA per pin (pin-specific) |
| 5V Tolerant Pins | Yes |
| External Interrupts | 3 (two remappable) |
| Programming Interface | ICSP via PGECx/PGEDx pin pairs |
| 工作温度 | -40C to +125C (E grade) |
| Qualification | AEC-Q100 qualified |
| 封装 | 18-pin SOIC (300 mil) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
DSPIC33FJ32GP101T-E/SO 引脚配置
| 引脚 1 | MCLR — Master clear reset (active low), programming voltage input during ICSP |
| 引脚 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / port B bit 0 |
| 引脚 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B bit 1 |
| 引脚 4 | PGED1/AN2/C1IN+/RP0/CN4/RB2 — ICSP data 1 / analog input 2 / comparator 1 input + / remappable RP0 / port B bit 2 |
| 引脚 5 | PGEC1/AN3/C1IN-/RP1/CN5/RB3 — ICSP clock 1 / analog input 3 / comparator 1 input - / remappable RP1 / port B bit 3 |
| 引脚 6 | AN4/C2IN+/RP2/CN6/RB4 — Analog input 4 / comparator 2 input + / remappable RP2 / port B bit 4 |
| 引脚 7 | VDD — Positive supply |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1/CLKI/CN0/RC12 — Crystal oscillator input / external clock input / port C bit 12 |
| 引脚 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / port C bit 15 |
| 引脚 11 | T2CK/RP3/CN7/RC2 — Timer 2 external clock / remappable RP3 / port C bit 2 |
| 引脚 12 | T1CK/RP4/CN8/RC3 — Timer 1 external clock / remappable RP4 / port C bit 3 |
| 引脚 13 | PGED2/RP5/CN9/RC4 — ICSP data 2 / remappable RP5 / port C bit 4 |
| 引脚 14 | PGEC2/RP6/CN10/RC5 — ICSP clock 2 / remappable RP6 / port C bit 5 |
| 引脚 15 | VDD — Positive supply |
| 引脚 16 | RP7/CN11/RC6 — Remappable RP7 / port C bit 6 |
| 引脚 17 | RP8/CN12/RC7 — Remappable RP8 / port C bit 7 |
| 引脚 18 | VSS — Ground reference |
典型应用
DSPIC33FJ32GP101T-E/SO 适用于 6 应用s: Switch-Mode Power Supply Control, Capacitive Touch Interfaces, Sensor Signal Conditioning, Motor Control (Small Loads), Automotive-Adjacent Control Nodes, Battery-Powered and Portable Instruments.
Switch-Mode Power Supply Control
The DSPIC33FJ32GP101T-E/SO fits SMPS control because its 16 MIPS dsPIC core executes digital control loops (PI/PID compensation) with deterministic interrupt latency, while the 12-bit ADC samples the output voltage at converter-appropriate rates. In a typical topology, the ADC trigger is synchronized to the PWM period so sampling avoids switching noise, and the comparator modules provide fast overcurrent trip paths independent of firmware. The -E temperature grade of -40C to +125C plus AEC-Q100 qualification covers power supplies mounted near hot components such as rectifiers and magnetics. Placed as the controller in a buck or flyback stage, the DSC adds flexibility to change compensation coefficients in firmware - a quantified benefit over fixed analog controllers - though designers must budget the small 2KB RAM for control state and scaling math.
推荐
Capacitive Touch Interfaces
The CTMU (Charge Time Measurement Unit) makes this DSC a strong fit for capacitive touch buttons and sliders: the CTMU's precision current source charges external touch pads, and the 12-bit ADC measures charge time, detecting the few-hundred-femtofarad shift caused by a finger. Microchip's CTMU touch approach eliminates a dedicated touch controller in an 18-pin system, leaving remappable PPS pins for UART or SPI communication to a host. The RTCC module additionally lets touch appliances implement wake/sleep timing. In deployment, the -E grade tolerates the +125C ambients seen inside ovens or industrial enclosures where touch panels are increasingly used. A design trade-off: the 2KB RAM constrains multi-channel touch libraries, so designers typically limit to 4-8 channels and store the touch tuning tables in the 32KB FLASH via program space visibility.
推荐
Sensor Signal Conditioning
With a 12-bit, 3-channel ADC, three analog comparators, and DSP multiply-accumulate capability at 16 MIPS, the DSPIC33FJ32GP101T-E/SO handles raw sensor signal chains: it can sample bridge or thermistor inputs, apply digital filtering (IIR/FIR) in firmware, and threshold with the hardware comparators for alarm outputs that react without CPU intervention. The 5V-tolerant I/O eases direct connection to legacy 5V sensor rails without level shifters. The RTCC timestamps measurements, valuable in datalogging nodes. Typical use is an 18-pin front-end board reading up to three analog channels while a remappable UART streams processed data upstream. Because the -E grade spans -40C to +125C and is AEC-Q100 qualified, the same board design works for both indoor instrumentation and under-hood or high-heat sensing positions.
推荐
Motor Control (Small Loads)
The MC-family heritage of dsPIC33F makes the GP101 usable for small motor control such as DC fan, pump, or single-phase motor control, where its 16 MIPS supports field-oriented or trapezoidal commutation math on one motor at a time. The remappable peripheral pins let PWM outputs, fault inputs, and encoder inputs (via external interrupt pins - three are available, two remappable) be routed to fit an existing 18-SOIC board. The comparators serve as hardware overcurrent protection with microsecond-class response, independent of firmware. Within this application the -E grade matters because motor-drive enclosures routinely exceed +85C near the power stage; the -I variant would derate there. The main limitation is the single ADC front-end and 2KB RAM, confining this part to low-channel-count, single-motor designs rather than multi-axis systems.
推荐
Automotive-Adjacent Control Nodes
Because this exact ordering code is AEC-Q100 qualified and rated -40C to +125C per Microchip USA's product data, it suits non-safety automotive-adjacent electronics: body control sub-nodes, lighting controllers, pump controllers, and sensor modules exposed to under-hood temperatures. The 18-SOIC 300-mil package handles the thermal and vibration profile typical of such modules, and the RTCC supports time-based functions such as scheduled loads or diagnostics logging. In-circuit serial programming through PGECx/PGEDx pairs enables end-of-line firmware updates with the MPLAB Snap on the production fixture. The caveat is lifecycle: with the part marked obsolete on distributor databases, automotive programs should treat it as a maintenance part and qualify a modern dsPIC33CK replacement for any new platform, since supply continuity cannot be guaranteed.
推荐
Battery-Powered and Portable Instruments
The dsPIC33F family's low-voltage operation at 2.5V/3.3V supports battery-powered instrument designs, per Microchip's family positioning for power efficiency. The 18-SOIC part can gate its clock, sleep, and wake on RTCC alarm or external interrupt, stretching battery life in dataloggers, handheld meters, and portable test fixtures. The CTMU doubles as a precision time-interval measurement engine for ultrasonic or capacitance-based measurement in such instruments. The 12-bit ADC plus DSP MAC instructions process measurement math locally, and a remappable UART sends results to Bluetooth or display modules over PPS-routed pins. A design consideration for portables: the 18-SOIC wide-body package is larger than QFN alternatives, so board area budgets must accommodate the 300-mil body; in exchange, hand assembly and rework are substantially easier for low-volume instruments.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ32GP101T-E/SO ——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 | DSPIC33FJ32GP101-E/SO | DSPIC33FJ32GP101T-I/SO | DSPIC33FJ32GP101-I/SO | DSPIC33FJ32GP102T-I/SO |
|---|---|---|---|---|---|
| Package | 18-SOIC (Tape & Reel) | 18-SOIC (Tube) - same | 18-SOIC (Tape & Reel) - same | 18-SOIC (Tube) - same | 18-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | dsPIC 16-bit, 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS |
| FLASH | 32 KB (11K x 24) | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Packaging | Tape & Reel | Tube | Tape & Reel | Tube | Tape & Reel |
| Programming Interface | ICSP (PGECx/PGEDx pairs), MPLAB X + Snap | ICSP, same toolchain | ICSP, same toolchain | ICSP, same toolchain | ICSP, same toolchain |
关键差异点
- Extended temperature and automotive qualification in the family （对比 DSPIC33FJ32GP101T-I/SO)
- Tape & Reel feeding for automated assembly （对比 DSPIC33FJ32GP101-E/SO)
- CTMU + RTCC integration in an 18-pin footprint （对比 DSPIC33FJ32GP102T-I/SO)
设计说明
ICSP pairing rule: the DSPIC33FJ32GP101 exposes multiple PGECx/PGEDx pairs, and Microchip's programming documentation requires them to be used as matched pairs - if PGEC2 carries ICSPCLK, PGED2 must carry ICSPDAT. Additionally, all VDD and VSS pins (pins 7/15 and 8/18 on this 18-SOIC device) must be connected for programming to succeed; leaving one rail pin unconnected is a common cause of failed device programming on first-article boards.
Estimated: supply decoupling for the 18-SOIC part should follow Microchip's standard recommendation of a 0.1 uF ceramic capacitor placed within a few millimeters of each VDD pin (pins 7 and 15), plus a bulk 4.7-10 uF capacitor near the device. Keep the analog supply path to the ADC's VDD/VREF pins as clean as possible; with a 12-bit ADC target, ripple above a few LSBs on the reference (up to 3.3V nominal) directly degrades effective resolution in SMPS control loops.
5V-tolerant I/O per the datasheet allows direct interfacing with legacy 5V logic, but per-pin sink/source is limited to 10 mA or 6 mA (pin-specific), and up to 16 mA or 12 mA on non-standard VOH/VOL specs. Do not drive relays, optocoupler LEDs, or LED strings directly at these limits continuously - budget total package current and use a transistor or MOSFET driver. When using remappable PPS pins (RPx), route UART/SPI signals away from the crystal traces on OSC1/OSC2 (pins 9-10) to prevent coupling.
For CTMU capacitive touch sensing, keep the touch pad traces short, guard them with ground pour where possible, and avoid routing them under or near the crystal or switching-power areas of the PCB. Charge-time measurement resolution on the order of hundreds of femtofarads is easily destroyed by switching noise coupling; if the same board drives inductive loads, isolate the touch channels and sample during quiet PWM windows. The 18-SOIC wide body aids manual rework on touch prototypes compared with QFN alternatives.
Lifecycle risk: this -E grade is marked obsolete on distributor comparison databases while DigiKey retains a live product page. For sustaining production, secure remaining factory or broker stock with verified date codes, and in parallel qualify DSPIC33FJ32GP101T-I/SO (identical silicon, same footprint) for applications where +85C maximum is acceptable - but do not use the -I part above 85C ambient even though the silicon is identical, because temperature grading is contractual, not just silicon capability.
合规信息
AEC-Q100 qualification confirmed via Microchip USA product listing for the -E grade. RoHS/REACH/lead-free status not stated in the provided web data and must be confirmed on Microchip's official product page.