PIC16LF1776-E/SP - 8-Bit 32MHz 14KB Flash MCU | Microchip
料号： PIC16LF1776-E/SP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.2271 | $3.23 |
| 10 | $2.9 | $29.00 |
| 100 | $2.55 | $255.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $2.05 | $2,050.00 |
PIC16LF1776-E/SP 概述
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a rich set of peripheral blocks onto one silicon die. Within the broader semiconductor hierarchy, an MCU sits below microprocessors (MPUs) in complexity but above simple logic ICs, and it is the workhorse of embedded control. The PIC16 family specifically targets cost-sensitive industrial, consumer, lighting, motor-control, and power-supply applications where deterministic instruction execution, low power, and rich analog integration reduce or eliminate the need for external components. PIC16LF177x parts integrate intelligent analog peripherals such as 10-bit and 12-bit ADCs, multiple 10-bit DACs, comparators, op amps, programmable ramp generators, and PWM/timer/capture modules.
Key features of the PIC16LF1776-E/SP include 28 I/O pins, four 16-bit timers, four 10-bit PWM modules, two USART, two SPI, two I2C, an enhanced 16-bit capture/compare/PWM (ECCP) module, a 10-bit DAC with output, and a 32 kHz internal oscillator. The -E temperature grade supports -40 C to +125 C operation, making the part suitable for industrial and extended-temperature environments. XLP nanoWatt technology delivers standby currents below the 100 nA typical range with real-time clock operation from a 32 kHz source, allowing years of operation on a single coin cell.
Typical applications for the PIC16LF1776-E/SP include LED lighting and driver control, switched-mode power supplies, battery chargers, motor control (BLDC, stepper, brushed DC), sensor conditioning, smart sensor hubs, and human-machine interface (HMI) products. The combination of multiple op amps, comparators, and DACs lets designers build tight analog control loops without external analog ICs.
When designing in this part, decouple VDD with a 100 nF X7R ceramic capacitor placed within 5 mm of the VDD pin, and follow Microchip's recommended ground-return techniques for the analog AVdd/AVss pins. For noise-sensitive analog peripherals, isolate the digital switching current paths from the analog traces and consider using the internal fixed-voltage reference (FVR) for ADC and comparator thresholds.
直接替换替代料： PIC16LF1776-E/SP ——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： PIC16LF1776-E/SP （相同外形与封装尺寸） ——差异在于 Package, ADC, Mounting Type, Program Memory (Flash), Operating Voltage Range.
快速对比工具——选择替代料号进行并排对比：
PIC16F1776-E/SP
✅ 直接替换✓ 有现货
$2.2 / 个
查看数据手册 →PIC16LF1765-I/SP
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1718-I/SP
✅ 直接替换✓ 有现货
$1.32 / 个
查看数据手册 →PIC16F1765-I/SP
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1713-I/SP
✅ 直接替换✓ 有现货
$1.65 / 个
查看数据手册 →PIC16LF1776-E/SP 最大额定值与电气特性
| Product Family | PIC16 (XLP 16F) |
| Core Architecture | 8-bit PIC enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| SRAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 25 (28-pin package) |
| 封装 | 28-SPDIP (Skinny Plastic DIP, through-hole) |
| 工作温度 | -40 C to +125 C (industrial -E grade) |
| Timers | Four 16-bit timers |
| Communication Peripherals | 2x USART, 2x SPI, 2x I2C |
| PWM Channels | Four 10-bit PWM + 1 ECCP module |
| ADC | 12-bit (multiple channels) |
| DAC | 10-bit |
| Comparators / Op Amps | Integrated |
| Internal Oscillator | 32 MHz (software-selectable) |
| Low-Power Technology | XLP nanoWatt (standby < 100 nA typical) |
| 安装类型 | Through-Hole |
| RoHS 状态 | Compliant |
PIC16LF1776-E/SP 引脚配置
| 引脚 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| 引脚 2 | RA5 — Port A bit 5 / analog input / I/O |
| 引脚 3 | RA4 — Port A bit 4 / analog input / I/O |
| 引脚 4 | RA3 — Port A bit 3 / analog input / I/O |
| 引脚 5 | RC5 — Port C bit 5 / I/O |
| 引脚 6 | RC4 — Port C bit 4 / I/O |
| 引脚 7 | RC3 — Port C bit 3 / I/O |
| 引脚 8 | RC2 — Port C bit 2 / I/O |
| 引脚 9 | RC1 — Port C bit 1 / I/O |
| 引脚 10 | RC0 — Port C bit 0 / I/O |
| 引脚 11 | RB7 — Port B bit 7 / I/O |
| 引脚 12 | RB6 — Port B bit 6 / I/O |
| 引脚 13 | RB5 — Port B bit 5 / I/O |
| 引脚 14 | VSS — Ground reference |
| 引脚 15 | RB4 — Port B bit 4 / I/O |
| 引脚 16 | RB3 — Port B bit 3 / I/O |
| 引脚 17 | RB2 — Port B bit 2 / I/O |
| 引脚 18 | RB1 — Port B bit 1 / I/O |
| 引脚 19 | RB0 — Port B bit 0 / interrupt-on-change |
| 引脚 20 | RA0 — Port A bit 0 / analog input / I/O |
| 引脚 21 | RA1 — Port A bit 1 / analog input / I/O |
| 引脚 22 | RA2 — Port A bit 2 / analog input / I/O |
| 引脚 23 | RC6 — Port C bit 6 / I/O |
| 引脚 24 | RC7 — Port C bit 7 / I/O |
| 引脚 25 | RA6 — Port A bit 6 / I/O |
| 引脚 26 | RA7 — Port A bit 7 / I/O |
| 引脚 27 | RE3 — Port E bit 3 / I/O |
| 引脚 28 | MCLR/VPP — Master clear reset (active low) / programming voltage input |
典型应用
PIC16LF1776-E/SP 适用于 7 应用s: LED Lighting Drivers, Switched-Mode Power Supplies (SMPS), Brushless DC (BLDC) Motor Control, Battery Charging Systems, Industrial Sensor Hubs, Human-Machine Interface (HMI) Boards, Smart Agriculture / IoT Sensor Nodes.
LED Lighting Drivers
Drives LED lighting strings with constant current regulation. The PIC16LF1776-E/SP's four 16-bit timers, four 10-bit PWM channels, and integrated ECCP module generate high-resolution dimming waveforms. The integrated op amps form constant-current feedback loops for drive stages, eliminating external analog ICs. The -E temperature grade and 1.8 V to 3.6 V VDD support wide-input LED driver designs including battery-powered fixtures. Recommended companion is the PIC16LF1718-I/SP for smaller LED strips.
推荐
Switched-Mode Power Supplies (SMPS)
Implements primary-side or secondary-side digital control for AC-DC, DC-DC, and PFC converters. The PIC16LF1776-E/SP's 32 MHz CPU clock and 14 KB Flash handle complex state-machine control loops, while the 12-bit ADC samples current and voltage with high resolution. The built-in 10-bit DAC programs reference thresholds during transient load testing. The XLP standby < 100 nA typical supports Energy Star efficiency targets for standby power on consumer and industrial PSU designs. Recommended companion: PIC16LF1703-I/ML for auxiliary housekeeping rails.
推荐
Brushless DC (BLDC) Motor Control
Drives BLDC, stepper, or brushed DC motors with field-oriented or trapezoidal commutation. The PIC16LF1776-E/SP's ECCP module generates complementary PWM with programmable dead-band for half-bridge and full-bridge stages, while the integrated comparators handle back-EMF zero-crossing detection without external components. Hall-sensor or sensorless FOC algorithms fit within the 14 KB Flash budget. The -40 C to +125 C temperature range supports automotive underhood and industrial servo environments. Recommended companion: PIC16LF1718-I/SO for lower-power companion-controller implementations.
推荐
Battery Charging Systems
Builds CC/CV chargers for Li-ion, LiFePO4, NiMH, and lead-acid chemistries. The PIC16LF1776-E/SP's 12-bit ADC monitors battery voltage and charge current, while the 10-bit DAC programs precise charge-current setpoints. The 1.8 V to 3.6 V VDD permits direct operation from a single-cell Li-ion source. XLP low-power modes keep quiescent draw below 100 nA typical to extend shelf life. Recommended companion: PIC16LF1554-I/ST for low-power battery state-of-health monitoring.
推荐
Industrial Sensor Hubs
Aggregates analog and digital sensors on industrial 4-20 mA, 0-10 V, RS-485, and I2C networks. The PIC16LF1776-E/SP's multiple USART, SPI, and I2C peripherals address several sensor channels in parallel. On-chip op amps condition 4-20 mA current-loop signals directly to the 12-bit ADC. The 1.8 V to 3.6 V supply range supports loop-powered transmitters with input voltage as low as 2.0 V. Recommended companion: PIC16LF1713-E/SO for cost-optimized secondary sensors.
推荐
Human-Machine Interface (HMI) Boards
Implements keypad scanning, LCD or LED display refresh, and rotary-encoder decoding in industrial control panels and appliance UI. The PIC16LF1776-E/SP's four 16-bit timers drive software PWM for LED brightness and LCD contrast, while interrupt-on-change I/O decodes mechanical key matrices without continuous polling. The 14 KB Flash accommodates multi-language menus and icon states, and the 1 KB SRAM buffers character streams before commit to display. Recommended companion: PIC16LF1764-I/P for simpler single-page displays.
推荐
Smart Agriculture / IoT Sensor Nodes
Builds long-life remote sensor nodes with battery or energy-harvesting power supplies. The PIC16LF1776-E/SP's XLP nanoWatt technology keeps average current consumption below 1 uA when sampled once per minute, allowing multi-year operation on a single 3 V coin cell. The 12-bit ADC and integrated op amps digitize soil-moisture, temperature, and humidity probes without external analog ICs. The -40 C to +125 C operating range covers outdoor enclosure environments. Recommended companion: PIC16LF1554-E/SL for radio co-processor interfacing.
推荐
推荐产品汇总
工程参考数据： PIC16LF1776-E/SP ——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 | PIC16F1776-E/SP | PIC16LF1765-I/SP | PIC16F1718-I/SP | PIC16F1765-I/SP | PIC16F1713-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (through-hole) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) |
| Program Memory (Flash) | 14 KB | 14 KB | 8 KB (-43%) | 16 KB (+14%) | 8 KB (-43%) | 8 KB (-43%) |
| SRAM | 1 KB | 1 KB | 1 KB | 512 B (-50%) | 1 KB | 512 B (-50%) |
| VDD Range | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C |
关键差异点
- Largest program memory in PIC16LF177x family matched to 28-SPDIP （对比 PIC16LF1765-I/SP)
- Lower VDD operating range for battery applications （对比 PIC16F1718-I/SP)
- Full set of integrated analog peripherals （对比 PIC16F1713-I/SP)
设计说明
Place a 100 nF X7R ceramic decoupling capacitor as close as possible (within 5 mm) to the VDD pin (pin 1) and use a separate analog VDD/AVss pair if available for the analog peripherals. For battery-powered designs using the 1.8 V to 3.6 V VDD range, add a 10 uF bulk capacitor near the supply to handle inrush during PWM transitions. The XLP nanoWatt idle mode with the 32 kHz internal oscillator reduces quiescent current to under 100 nA typical, supporting multi-year battery life on a coin cell.
Do not exceed the absolute maximum VDD of 3.6 V on the LF variant - transients above this value can permanently damage the part; use the F variant (PIC16F1776) for 5 V systems. Ensure the MCLR pin (pin 28) is pulled high through a 10 kohm resistor for normal operation; leaving it floating can cause spurious resets. For ADC accuracy above 10 bits, calibrate the internal fixed-voltage reference (FVR) against an external reference or use the dedicated AVdd/AVss pins with a low-noise analog LDO such as the MCP1700. Watch out for code that exceeds the 14 KB Flash limit when migrating from the 8 KB PIC16F1765 family.
For noise-sensitive ADC sampling, route analog input traces over a continuous ground plane and keep them short and perpendicular to digital switching traces. Use a separate analog ground island connected to digital ground at a single point near the AVss pin to avoid ground-loop noise injection into the ADC. The 28-SPDIP through-hole package is ideal for prototype development and breadboarding; consider migrating to PIC16LF1776-E/SO (28-SOIC) or PIC16LF1776-E/SS (28-SSOP) for volume production where surface-mount assembly is required.
合规信息
RoHS compliant per Microchip product family data. AEC-Q100 not qualified; consider dsPIC33 variant for automotive designs.
