PIC24FJ64GB202-E/SS - 64KB Flash, USB OTG 16-bit MCU | Microchip
料号： PIC24FJ64GB202-E/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.85 | $5.85 |
| 10 | $5.45 | $54.50 |
| 100 | $4.92 | $492.00 |
| 500 | $4.55 | $2,275.00 |
| 1,000 | $4.18 | $4,180.00 |
PIC24FJ64GB202-E/SS 概述
An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage. This is part of the broader category hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. 16-bit PIC24F devices fill the gap between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts, balancing code density, deterministic interrupt latency, and low-power operation. The XLP (eXtreme Low Power) sub-family extends this with sub-uA sleep modes, making these parts suitable for battery-backed devices.
Key features include eXtreme Low Power (XLP) technology with sub-uA sleep currents, an integrated crypto engine for AES and a random number generator, full-speed USB 2.0 OTG with on-chip transceiver, 64 KB self-programmable Flash, and a 16-channel 10-bit ADC with auto-scan. The 28-SSOP package is suitable for hand-soldered prototyping and low-density production builds, while keeping the full peripheral set of the larger-pin-count variants.
The PIC24FJ64GB202-E/SS uses a modified Harvard architecture with separate program and data paths, a 16-bit wide data bus, and a hardware multiply/divide unit that delivers single-cycle MAC operations. The integrated crypto engine accelerates AES-128/192/256 operations without consuming CPU cycles, enabling secure data exchanges in IoT nodes without an external companion IC. The USB OTG controller includes an on-chip transceiver and internal pull-up/pull-down resistors, eliminating the need for external USB PHY components on low- and full-speed links.
Typical applications include IoT sensor nodes with USB diagnostics, secure low-power remote keyless entry, battery-powered consumer electronics with secure firmware updates, medical peripherals such as USB-connected glucose meters, and industrial data loggers with secure boot. The wide operating voltage and extended temperature range also make the part suitable for automotive body and HMI subsystems requiring AEC-Q100-grade behavior at a commercial BOM tier.
When designing with the PIC24FJ64GB202-E/SS, ensure the USB bus is properly decoupled at VUSB3V3 and that the on-chip 3.3V regulator is bypassed with the datasheet-recommended capacitor values. For USB OTG, an external charge pump or boost converter may be required if the application powers VBUS directly from a single-cell Li-Ion source. The crypto engine shares pins with general-purpose I/O; verify pin assignments in MPLAB X when migrating code from non-USB PIC24F variants.
This page synthesizes distributor pricing from DigiKey and Hotenda, drop-in replacement options within the PIC24F family, and practical design notes not found in the standalone manufacturer datasheet.
直接替换替代料： PIC24FJ64GB202-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： PIC24FJ64GB202-E/SS （相同外形与封装尺寸） ——差异在于 ADC, Timers, Package, Operating Temperature, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC24FJ64GB202-E/SP
✅ 直接替换✓ 有现货
$4.15 / 个
查看数据手册 →PIC24FJ64GB002-I/SS
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →PIC24FJ128GB202-E/SS
✅ 直接替换✓ 有现货
$2.45 / 个
查看数据手册 →PIC24FJ64GA002-I/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.51 / 个
查看数据手册 →PIC24FJ64GU202-I/SS
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →PIC24FJ64GB202-E/SS 最大额定值与电气特性
| Product Type | 16-bit Flash Microcontroller (MCU) |
| Series | PIC24F XLP 24F, PIC24FJ64GB2 Family |
| Core | PIC24F (16-bit MIPS modified Harvard) |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| USB Interface | USB 2.0 Full-Speed OTG with on-chip transceiver |
| Integrated Crypto Engine | Yes (AES, RNG, key storage) |
| ADC | 10-bit, up to 16 channels |
| Timers | 5 x 16-bit or 1 x 16-bit + 2 x 32-bit (typical PIC24F GB2 layout) |
| Communication Interfaces | UART, SPI, I2C, USB OTG |
| 工作温度范围 | -40C to +125C (extended, "-E" suffix) |
| 封装 | 28-pin SSOP (5.30 mm body width) |
| 安装类型 | Surface Mount |
| MSL 等级 | MSL 3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC24FJ64GB202-E/SS 引脚配置
| 引脚 1 | SDA2/RG3 — I2C2 data / general purpose I/O |
| 引脚 2 | SCL2/RG2 — I2C2 clock / general purpose I/O |
| 引脚 3 | D-/RG0 — USB OTG D-minus / general purpose I/O |
| 引脚 4 | D+/RG1 — USB OTG D-plus / general purpose I/O |
| 引脚 5 | VBUS — USB VBUS sense input |
| 引脚 6 | VUSB3V3 — USB 3.3V internal regulator output (bypass capacitor required) |
| 引脚 7 | OSC1/RA0 — Primary oscillator input / general purpose I/O |
| 引脚 8 | OSC2/RA1 — Primary oscillator output / general purpose I/O |
| 引脚 9 | RA2 — General purpose I/O |
| 引脚 10 | RA3 — General purpose I/O |
| 引脚 11 | VDD — Positive supply (2.0V to 3.6V) |
| 引脚 12 | VSS — Ground reference |
| 引脚 13 | RB0 — General purpose I/O / programming clock |
| 引脚 14 | RB1 — General purpose I/O / programming data |
| 引脚 15 | RB2 — General purpose I/O |
| 引脚 16 | RB3 — General purpose I/O |
| 引脚 17 | RB4 — General purpose I/O |
| 引脚 18 | RB5 — General purpose I/O |
| 引脚 19 | RB6 — General purpose I/O |
| 引脚 20 | RB7 — General purpose I/O |
| 引脚 21 | RC0 — General purpose I/O |
| 引脚 22 | RC1 — General purpose I/O |
| 引脚 23 | RC2 — General purpose I/O |
| 引脚 24 | RC3 — General purpose I/O |
| 引脚 25 | — General purpose I/O |
| 引脚 26 | RC5 — General purpose I/O |
| 引脚 27 | RC6 — General purpose I/O |
| 引脚 28 | RC7 — General purpose I/O |
典型应用
PIC24FJ64GB202-E/SS 适用于 6 应用s: IoT Sensor Nodes with USB Diagnostics, Secure Low-Power Remote Keyless Entry, Battery-Powered Consumer Electronics with Secure Updates, Medical USB Peripherals, Industrial Data Loggers with Secure Boot, Automotive Body and HMI Subsystems.
IoT Sensor Nodes with USB Diagnostics
The PIC24FJ64GB202-E/SS fits USB-connected IoT sensor nodes thanks to its integrated full-speed USB OTG controller, which eliminates the need for an external PHY and reduces BOM cost. The 64 KB Flash and 8 KB RAM are sufficient for sensor-fusion firmware, USB CDC/HID class stacks, and over-the-air firmware update bootloaders. The PIC24F XLP architecture provides sub-uA sleep currents between USB polling bursts, extending battery life on solar or coin-cell powered nodes.
推荐
Secure Low-Power Remote Keyless Entry
The integrated AES crypto engine and hardware RNG on the PIC24FJ64GB202-E/SS allow remote keyless entry fobs to perform rolling-code authentication without an external secure element. The -40C to +125C extended temperature rating supports under-hood and outdoor deployments, while the XLP sub-uA sleep mode preserves CR2032 battery life over multi-year parking intervals. The on-chip 32 kHz oscillator enables accurate timing for code-hopping algorithms without external RTC components.
推荐
Battery-Powered Consumer Electronics with Secure Updates
USB OTG plus self-programmable Flash make the PIC24FJ64GB202-E/SS ideal for consumer products such as e-cigarettes, smart personal care devices, and portable measurement gadgets that need secure firmware updates in the field. The crypto engine protects intellectual property by signing firmware images, and the XLP deep-sleep currents below 1 uA preserve Li-Ion battery shelf life during shipping and idle retail display. The 28-SSOP package is hand-solderable for low-volume production.
推荐
Medical USB Peripherals
Medical peripherals such as USB-connected glucose meters, spirometers, and patient-side diagnostic tools benefit from the PIC24FJ64GB202-E/SS integrated USB, AES encryption for HIPAA-compliant data transfers, and deterministic 16 MIPS CPU for sensor sampling. The extended -40C to +125C temperature range accommodates disinfection workflows and body-worn usage. The 16-channel 10-bit ADC handles multiple analog sensor channels without external multiplexing, reducing BOM count.
推荐
Industrial Data Loggers with Secure Boot
Industrial data loggers for asset tracking, energy metering, and environmental monitoring leverage the PIC24FJ64GB202-E/SS USB OTG for local data download and the AES engine for tamper-resistant boot sequences. The wide 2.0-3.6 V supply range accommodates industrial 24 V bus systems via step-down conversion, and the XLP modes reduce sleep power in remote, solar-charged installations. The 28-SSOP footprint simplifies board layout alongside standard analog front-ends.
推荐
Automotive Body and HMI Subsystems
The -40C to +125C extended temperature rating and integrated USB OTG make the PIC24FJ64GB202-E/SS a candidate for automotive body controllers, USB charging ports, and HMI modules that expose diagnostic interfaces. The crypto engine supports secure diagnostic authentication required by OEM cybersecurity specifications. Designers should confirm AEC-Q100 qualification status for the specific ordering code with Microchip's automotive catalog before deployment in production ECUs.
推荐
推荐产品汇总
工程参考数据： PIC24FJ64GB202-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 | PIC24FJ64GB202-E/SP | PIC24FJ64GB002-I/SS | PIC24FJ128GB202-E/SS | PIC24FJ64GA002-I/SS | PIC24FJ64GU202-I/SS |
|---|---|---|---|---|---|---|
| Package | SSOP-28 | SP-DIP-28 (different package, same die) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB | 64 KB | 128 KB | 64 KB | 64 KB ECC | |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | |
| USB OTG | Yes (Full-Speed, on-chip PHY) | Yes | Yes | No | Yes (Host/Device/OTG) | |
| Crypto Engine (AES/RNG) | Yes | Yes | Yes | No | No | |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
关键差异点
- Integrated crypto engine without external secure element （对比 PIC24FJ64GA002-I/SS)
- Higher Flash headroom in pin-compatible package （对比 PIC24FJ128GB202-E/SS)
- Extended automotive temperature range on standard part （对比 PIC24FJ64GB002-I/SS)
设计说明
The PIC24FJ64GB202-E/SS operates from a single 2.0V to 3.6V supply on VDD. The internal USB 3.3V regulator requires a 4.7 uF low-ESR ceramic bypass capacitor on VUSB3V3 to meet USB electrical specifications; do not load this pin with external circuitry. For USB OTG host mode, an external 5V boost converter on VBUS is typically required when powering from a single-cell Li-Ion source.
Place the VDD/VSS decoupling pair (100 nF + 4.7 uF ceramic) within 5 mm of the package pins. Route the USB D+/D- differential pair with 90 ohm differential impedance and length matching within 150 mils to comply with USB 2.0 full-speed signal integrity. Keep the crystal traces short and surrounded by a ground guard ring to minimize EMI pickup on the 32 kHz oscillator.
Verify pin compatibility before migrating firmware from non-USB PIC24F variants - the crypto engine and USB OTG controller share pins with general-purpose I/O. Failure to reconfigure PPS (Peripheral Pin Select) registers after porting code from GA to GB family can cause USB enumeration failures. Also note that the -E (extended) and -I (industrial) temperature grades differ; do not substitute one for the other in safety-critical or outdoor applications without re-qualifying the design.
合规信息
RoHS and lead-free per Microchip product page. AEC-Q100 status should be confirmed for the specific ordering code via Microchip's automotive product catalog before production automotive deployment.
