PIC16F1777T-I/MV - 8-Bit MCU, 14KB Flash, 32MHz | Microchip
料号： PIC16F1777T-I/MV ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.86 | $1.86 |
| 10 | $1.74 | $17.40 |
| 100 | $1.58 | $158.00 |
| 500 | $1.42 | $710.00 |
| 1,000 | $1.27 | $1,270.00 |
PIC16F1777T-I/MV 概述
A PIC16F microcontroller is a member of the 8-bit RISC MCU family from Microchip, sitting in the hierarchy PIC16 -> PIC mid-range -> 8-bit microcontroller -> microcontroller -> embedded processor. The XLP (eXtreme Low Power) designation indicates nanoWatt sleep-current techniques intended for battery-powered designs. The 177x sub-family is positioned by Microchip for intelligent analog and digital-peripheral integration in lighting, power conversion, motor control, and general-purpose applications, combining an analog-rich peripheral set with conventional digital I/O on a single die.
Key features include a 32 MHz internal oscillator, 14 KB self-programmable Flash (8K x 14 words), 1 KB RAM, 256 bytes of EEPROM, brown-out reset, in-circuit serial programming (ICSP), and an extended instruction set for C-compiled code. Multiple PWM channels with synchronization, dead-band control, and ramp generation enable digital power-supply and LED-driving topologies, while on-chip op-amps and comparators allow signal conditioning without external components.
Typical applications span LED lighting drivers, switched-mode power supply control, battery-charging management, brushless-DC and stepper motor control, and sensor-conditioning front ends. Industrial-grade temperature range and 5V-tolerant I/O make it suitable for factory automation and home appliances, while the small 5x5 mm UQFN footprint supports space-constrained consumer products.
When designing with the PIC16F1777T-I/MV, ensure the exposed thermal pad is soldered to a sufficient copper pour for heat spreading and mechanical reliability. Use MPLAB X IDE with the XC8 compiler for firmware development, and consider the migration path to the pin-compatible PIC16F1776 if reduced Flash/RAM is acceptable.
This page synthesizes distributor pricing, drop-in alternatives, and design considerations not consolidated in the manufacturer datasheet alone, helping engineers compare the PIC16F1777T-I/MV against same-package alternatives in the PIC16F17xx family.
直接替换替代料： PIC16F1777T-I/MV ——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： PIC16F1777T-I/MV （相同外形与封装尺寸） ——差异在于 Package, ADC, DAC, Operating Temperature, Communication.
快速对比工具——选择替代料号进行并排对比：
PIC16F1777-I/MV
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1776T-I/MV
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC16F1779T-I/MV
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.78 / 个
查看数据手册 →PIC16F1719T-I/MV
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.78 / 个
查看数据手册 →PIC16F1773T-I/MV
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC16F1777T-I/MV 最大额定值与电气特性
| Core Architecture | PIC16 Enhanced Mid-Range 8-bit |
| CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Data EEPROM | 256 B |
| ADC | 10-bit, multiple channels |
| DAC | 10-bit, multiple channels |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| 工作温度 | -40 °C to +85 °C (Industrial) |
| 封装 | 40-pin UQFN (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Instruction Set | Enhanced PIC16, 49 instructions |
| Timers | Multiple 8-bit and 16-bit |
| PWM Channels | Multiple with complementary outputs and dead-band |
| Communication | UART, I2C, SPI |
| Programming | ICSP (In-Circuit Serial Programming) |
| MSL 等级 | 3 (168 hours) |
| RoHS 状态 | Compliant |
PIC16F1777T-I/MV 40-pin uqfn (5x5 mm) with exposed pad 引脚配置指南
PIC16F1777T-I/MV（40-pin uqfn (5x5 mm) with exposed pad 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC16F1777T-I/MV.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC16F1777T-I/MV 适用于 6 应用s: LED Lighting Drivers, Switched-Mode Power Supply (SMPS) Control, Battery Charging Management, Brushless DC (BLDC) Motor Control, Sensor Conditioning Front Ends, Industrial Appliance Control.
LED Lighting Drivers
The PIC16F1777T-I/MV is well-suited to LED lighting driver designs because it integrates multiple 10-bit DACs, programmable ramp generators, and complementary PWM outputs with dead-band control in a single 32 MHz core. According to the Microchip datasheet, the on-chip 10-bit DAC channels directly modulate current-reference setpoints for constant-current LED drivers, eliminating external DAC ICs and reducing BOM cost. The PIC16F1777's 8 MIPS of throughput supports 16-bit PID color-temperature loops and DMX/RDM protocol parsing in commercial fixtures. Use the UQFN exposed pad for thermal relief in high-power 1A+ driver stages.
推荐
Switched-Mode Power Supply (SMPS) Control
For digital SMPS control, the PIC16F1777T-I/MV delivers up to 32 MHz CPU bandwidth plus on-chip slope compensation, programmable ramp generators, and high-speed comparators that handle peak-current-mode control loops. The 14 KB Flash accommodates advanced control algorithms such as DPWM, adaptive dead-time compensation, and soft-start state machines. With 5V-tolerant I/O, the PIC16F1777 directly interfaces to gate-driver optocouplers and analog front-end sensors in isolated DC-DC and PFC topologies.
推荐
Battery Charging Management
The PIC16F1777T-I/MV's 10-bit ADC and on-chip op-amps provide multi-channel battery voltage and current sensing without external analog ICs, while its 32 MHz core executes CC/CV (constant-current/constant-voltage) charging profiles for Li-ion, LiFePO4, and lead-acid chemistries. Its 2.3 V minimum VDD allows direct operation from a single-cell Li-ion down to 3.0 V, and the XLP nanoWatt sleep mode reduces quiescent current for low-power standby chargers. Brown-out reset and watchdog timer ensure safe battery protection logic.
推荐
Brushless DC (BLDC) Motor Control
The PIC16F1777T-I/MV is optimized for sensorless and sensored BLDC motor control thanks to its multiple CCP/PWM channels with complementary outputs, programmable dead-band, and integrated high-speed comparators for back-EMF zero-crossing detection. The enhanced mid-range core handles field-oriented control (FOC) loops or trapezoidal commutation at motor speeds up to tens of thousands of RPM. The 40-pin UQFN footprint fits compact motor-driver PCBs for fans, pumps, and small appliances.
推荐
Sensor Conditioning Front Ends
In sensor signal-chain designs, the PIC16F1777T-I/MV integrates on-chip op-amps and 10-bit ADC channels to amplify, filter, and digitize signals from temperature, pressure, or strain-gauge sensors. The XLP technology reduces sleep-mode current for battery-powered wireless sensor nodes, and the 32 MHz CPU performs linearization and calibration algorithms. The compact UQFN package suits wearable and IoT sensor modules where PCB area is at a premium.
推荐
Industrial Appliance Control
The PIC16F1777T-I/MV's industrial -40 °C to +85 °C temperature range and robust peripheral set make it a fit for appliance controllers in washing machines, refrigerators, and HVAC systems. Multiple PWM channels drive TRIAC/SCR phase-control circuits for AC loads, while the ADC monitors temperature, humidity, and current feedback. EEPROM data storage retains user settings across power cycles, and the integrated op-amps simplify sensor signal paths.
推荐
推荐产品汇总
工程参考数据： PIC16F1777T-I/MV ——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 | PIC16F1777-I/MV | PIC16F1776T-I/MV | PIC16F1779T-I/MV | PIC16F1719T-I/MV | PIC16F1773T-I/MV |
|---|---|---|---|---|---|---|
| Package | 40-UQFN (5x5) | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 14 KB | 14 KB | 8 KB | 28 KB | 28 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 2 KB | 2 KB | 1 KB |
| On-chip 10-bit DAC | Yes (multiple) | Yes (multiple) | Yes (multiple) | Yes (multiple) | No | Yes (reduced) |
| On-chip Op-amps | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Temperature Grade | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
关键差异点
- Higher Flash density in same UQFN footprint vs PIC16F1776 （对比 PIC16F1776T-I/MV)
- Integrated 10-bit DACs not available on PIC16F1719 （对比 PIC16F1719T-I/MV)
- Same 40-pin UQFN footprint across entire PIC16F177x family （对比 PIC16F1779T-I/MV)
设计说明
The 40-pin UQFN package requires a properly designed land pattern with thermal vias under the exposed pad to ensure solder joint reliability and thermal performance. Per Microchip application notes, the central exposed pad must be soldered to a copper pour of at least 1 square inch connected through multiple thermal vias to the inner/ground plane. Failing to solder the thermal pad may cause intermittent operation under thermal cycling.
Place a 0.1 µF decoupling capacitor as close as possible to each VDD pin and a bulk capacitor (≥10 µF) at the MCU power entry point. The PIC16F1777's analog references (VDDA/VREF+) should be bypassed with a separate 0.1 µF + 10 µF RC network to minimize ADC noise. According to Microchip datasheet guidelines, VDD and VDDA must be tied to the same supply unless using a separate quiet analog rail.
When migrating firmware from PIC16F1776 (8 KB Flash) to PIC16F1777 (14 KB Flash), ensure the configuration bits for the oscillator mode, watchdog timer, and brown-out reset are re-validated since shared register layouts can differ between sub-families. Also confirm the ICSP programming pins (ICSPCLK/ICSPDAT) are not assigned as alternate functions in your schematic, which would prevent in-circuit programming.
The PIC16F1777T-I/MV's high-speed comparator outputs can couple noise into adjacent ADC channels if trace routing is not carefully managed. Keep analog input traces short and isolated from PWM/digital switching traces by at least 3x the dielectric thickness. Use a ground guard ring around sensitive analog input pins and route analog and digital grounds as separate nets tied at a single point near the MCU's GND pin.
合规信息
RoHS and REACH compliant per Microchip product page. Industrial temperature grade only; not AEC-Q100 qualified - choose automotive-grade PIC variants for vehicle applications.
