PIC16F1769-E/P - 8-Bit 32MHz 14KB Flash MCU w/ DAC | Microchip
料号： PIC16F1769-E/P ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.18 | $218.00 |
| 500 | $1.89 | $945.00 |
| 1,000 | $1.62 | $1,620.00 |
PIC16F1769-E/P 概述
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and Harvard architecture; the PIC16F1769-E/P belongs to the PIC16F family of mid-range microcontrollers, which sits in the broader hierarchy: PIC16F MCU -> 8-bit PIC -> Microchip MCU -> microcontroller -> embedded processor -> semiconductor. The 'F' suffix indicates Flash program memory, allowing in-circuit reprogramming.
Key features of the PIC16F1769-E/P include two operational amplifiers, two 10-bit DACs, two configurable logic cells (CLC), zero-cross detect (ZCD), two programmable ramp generators (PRG), 10-bit ADC, high-current I/O (100 mA), Peripheral Pin Select (PPS), and two 10/16-bit PWMs with independent timing. The combination of on-chip op amps and DACs allows closed-loop analog control without external components, supporting LED lighting, power conversion, and sensor signal conditioning.
Architecturally, the PIC16F1769-E/P uses Microchip's enhanced mid-range core (14-bit instruction width) with a modified Harvard bus, providing single-cycle instruction execution except for branches. The XLP (eXtreme Low Power) technology enables sleep currents below typical 8-bit MCU levels, making the device suitable for battery-powered or energy-harvesting designs.
Typical applications include LED lighting drivers, closed-loop fan/thermal control, power conversion, sensor signal conditioning, and small appliance controls. Its 20-pin PDIP form factor is breadboard-friendly and favored in through-hole industrial designs. When designing with this part, ensure your programmer/debugger supports the PIC16F176x family (e.g., PICkit 3/4, MPLAB ICD) and verify the wide operating voltage range of 2.3V to 5.5V matches your rail.
This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC16F1769-E/P ——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： PIC16F1769-E/P （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, ADC, DAC, Mounting Type.
快速对比工具——选择替代料号进行并排对比：
PIC16F1769-I/P
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1768-E/P
✅ 直接替换✓ 有现货
$1.4 / 个
查看数据手册 →PIC16F1768-I/P
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1765-E/P
✅ 直接替换✓ 有现货
$1.25 / 个
查看数据手册 →PIC16F1769-E/P 最大额定值与电气特性
| Core Architecture | 8-bit PIC16F enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V |
| 工作温度范围 | -40C to +125C (E suffix = Extended) |
| 封装 | 20-pin PDIP (0.300 inch / 7.62 mm) |
| I/O Pins | High-current I/Os rated 100 mA |
| ADC | 10-bit |
| DAC | 2x 10-bit DAC |
| Operational Amplifiers | 2x on-chip op amps |
| PWM | 2x 10/16-bit PWM |
| Configurable Logic Cells (CLC) | 2x |
| Zero-Cross Detect (ZCD) | Yes |
| Programmable Ramp Generator (PRG) | 2x |
| Peripheral Pin Select (PPS) | Yes |
| XLP (eXtreme Low Power) | Yes |
| RoHS 状态 | Compliant |
PIC16F1769-E/P 引脚配置
| 引脚 1 | RA3/AN3/Vref+/C1IN+/ZCD — Analog input / Vref+ / ZCD input |
| 引脚 2 | RA4/AN4/C1OUT — Analog input / comparator output |
| 引脚 3 | RA5/AN5 — Analog input |
| 引脚 4 | RA6 — I/O pin |
| 引脚 5 | RA7 — I/O pin |
| 引脚 6 | VSS — Ground reference |
| 引脚 7 | RA0/AN0/C1IN-/DAC1OUT/OPA1IN+ — Analog I/O / DAC1 / Op-amp 1 input |
| 引脚 8 | RA1/AN1/C12IN0-/DAC2OUT/OPA1IN- — Analog I/O / DAC2 / Op-amp 1 input |
| 引脚 9 | RA2/AN2/OPA1OUT — Analog I/O / Op-amp 1 output |
| 引脚 10 | RC0/SOSCO — I/O / secondary oscillator |
| 引脚 11 | RC1/SOSCI — I/O / secondary oscillator |
| 引脚 12 | RC2 — I/O pin |
| 引脚 13 | RC3 — I/O pin |
| 引脚 14 | RC4 — I/O pin |
| 引脚 15 | RC5 — I/O pin |
| 引脚 16 | RC6 — I/O pin |
| 引脚 17 | RC7 — I/O pin |
| 引脚 18 | VDD — Positive supply voltage |
| 引脚 19 | VSS — Ground reference |
| 引脚 20 | MCLR/VPP/RE3 — Reset / programming voltage / I/O |
典型应用
PIC16F1769-E/P 适用于 6 应用s: LED Lighting Drivers, Closed-Loop Fan Speed Control, Power Conversion and SMPS, Sensor Signal Conditioning, Small Appliance Control, Battery Charging and Management.
LED Lighting Drivers
The PIC16F1769-E/P's two on-chip 10-bit DACs, two operational amplifiers, and zero-cross detect make it ideal for closed-loop constant-current LED driver designs. The DAC sets the current reference while the integrated op amp forms the transconductance error amplifier comparing the sense resistor voltage to the reference. PRG (Programmable Ramp Generator) enables flicker-free dimming ramps, and CLC provides hardware-based blanking logic for high-PF flyback topologies. Operating from 2.3V to 5.5V allows direct connection to rectified mains-derived rails, while the -40C to +125C range covers outdoor luminaire environments.
推荐
Closed-Loop Fan Speed Control
For thermal management, the PIC16F1769-E/P combines a 10-bit ADC for temperature sensing, op amps for signal conditioning, and 10/16-bit PWMs for variable-speed fan control. The ZCD peripheral synchronizes PWM switching to AC line crossings, reducing EMI in brushless DC fan applications. Closed-loop firmware runs in 14 KB Flash while 1 KB RAM handles PID state variables, and XLP technology keeps standby current minimal during quiet-fan periods. The 20-pin PDIP package supports industrial PCBA reliability in long-life fan assemblies.
推荐
Power Conversion and SMPS
The PIC16F1769-E/P supports primary-side regulation in isolated and non-isolated SMPS topologies using its high-resolution PWM, programmable ramp generator (PRG) for slope compensation, and operational amplifiers for current-mode control. PPS (Peripheral Pin Select) routes PWM and analog signals to any I/O pin, simplifying PCB routing. At 32 MHz, the control loop runs at adequate bandwidth for sub-100W adapters and auxiliary supplies in 5V to 24V systems operating from universal mains.
推荐
Sensor Signal Conditioning
The PIC16F1769-E/P excels at analog sensor conditioning thanks to its integrated op amps (configurable as buffers, inverting/non-inverting amplifiers, or filters) and 10-bit ADC. Bridge sensors (load cells, strain gauges) connect directly to the op amp inputs while the ADC digitizes the conditioned output. The DAC can drive excitation voltages for ratiometric sensors, eliminating external references. PPS routes sensor signals to preferred pins for clean analog layout in industrial measurement instruments.
推荐
Small Appliance Control
Small appliances (coffee makers, induction cooktops, washing machine sub-systems) leverage the PIC16F1769-E/P's mix of high-current I/Os (100 mA) for direct relay/triac drive, op amps for sensor interface, and CLC for safety logic. The extended -40C to +125C temperature range supports unconditioned kitchen or garage environments. Flash-resident firmware can be updated via bootloader for in-field feature additions, while XLP sleep preserves battery life in portable appliance controls.
推荐
Battery Charging and Management
For low-to-medium power battery charging, the PIC16F1769-E/P provides the DAC-controlled current/voltage loop, ADC for cell monitoring, and PWMs for switching element drive. CLC implements charging state sequencing in hardware without CPU intervention, freeing firmware to manage communication. The wide 2.3V-5.5V supply range suits single-cell Li-ion through multi-cell NiMH packs, and XLP extends standby time between charge cycles in portable medical or IoT devices.
推荐
推荐产品汇总
工程参考数据： PIC16F1769-E/P ——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 | PIC16F1769-I/P | PIC16F1768-E/P | PIC16F1768-I/P | PIC16F1765-E/P | PIC16F1764-E/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin PDIP | 20-pin PDIP | 20-pin PDIP | 20-pin PDIP | 20-pin PDIP | 20-pin QFN |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 8 KB | 4 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 512 B |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| On-Chip Op Amps | 2 | 2 | 2 | 2 | 2 | 0 |
| DACs | 2x 10-bit | 2x 10-bit | 2x 10-bit | 2x 10-bit | 2x 10-bit | 1x 10-bit |
| PWM Outputs | 2x 10/16-bit | 2x 10/16-bit | 2x 10/16-bit | 2x 10/16-bit | 2x 10/16-bit | 2x 10/16-bit |
| CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS |
关键差异点
- Largest Flash in 14/20-pin PIC16F176x family （对比 PIC16F1768-E/P)
- Extended temperature range for industrial and outdoor use （对比 PIC16F1769-I/P)
- Two integrated operational amplifiers （对比 PIC16F1764-E/ML)
设计说明
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 18) and a bulk capacitor (e.g., 10 uF) on the same power rail to suppress switching noise. For battery-powered designs, the PIC16F1769-E/P's XLP sleep mode draws sub-microamp current but requires the secondary oscillator (SOSC) on RC0/RC1 for accurate periodic wake-up.
Route analog signals (ANx, OPA inputs) away from PWM outputs and high-current switching traces. Use a ground plane for VSS (pin 6 and pin 19) and avoid splitting the ground between analog and digital domains; the PIC16F1769-E/P has a single VSS pin pair, which simplifies grounding but demands careful placement of analog components relative to digital I/O.
Do not drive pins above VDD or below VSS even by small margins; the PIC16F1769-E/P lacks internal ESD clamping diodes on most pins. Configure unused I/O pins as outputs with low state rather than inputs to avoid floating-pin current draw. When migrating firmware between PIC16F1769 and PIC16F1768, verify Flash size - PIC16F1768 has only 7 KB which may cause link errors.
合规信息
RoHS and lead-free per Microchip product declaration. AEC-Q100 qualification is not applicable for general-purpose MCU. PIC16F176x family is not automotive-qualified; use PIC16F1769-E/P only in non-automotive applications.
