PIC16F1765-I/P - 8-Bit 32MHz 14KB Flash MCU w/ DAC, Op-Amp | Microchip
MPN: PIC16F1765-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.3 | $2.30 |
| 10 | $2.07 | $20.70 |
| 100 | $1.78 | $178.00 |
| 500 | $1.55 | $775.00 |
| 1,000 | $1.34 | $1,340.00 |
PIC16F1765-I/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory, and peripherals around an 8-bit data bus. Within the product hierarchy, the PIC16F1765 sits as: MCU -> 8-bit microcontroller -> PIC16 family -> PIC16F176x sub-family -> Flash-based XLP (eXtreme Low Power) devices. The 8-bit PIC architecture offers deterministic instruction execution, low power consumption, and a compact instruction set optimized for embedded control rather than raw throughput.
Key features include 14KB Flash, 1KB RAM, 1024 bytes of EEPROM, 32MHz CPU speed, 12 ADC channels with 10-bit resolution, and 100mA high-current I/O capability. Peripherals include three 10/16-bit PWMs, three configurable logic cells (CLC), an internal temperature sensor, and peripheral pin select (PPS) for flexible signal routing. The XLP designation indicates ultra-low-power operation with sleep currents in the nanoampere range.
The PIC16F1765 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word and hardware multiply support. Intelligent analog integration means that op-amps, comparators, DAC, and ADC are interconnected through internal analog routing, allowing sophisticated signal-conditioning topologies without external components. The 100mA high-current I/O simplifies direct LED and relay drive.
Typical applications include LED lighting and drivers with smooth dimming, switched-mode power supply (SMPS) control, battery chargers, sensor conditioning, and general-purpose embedded control. The combination of high-current I/O, on-chip op-amps, and PWMs makes it especially suitable for closed-loop current/voltage regulation. Designers choose this part when they need mixed analog/digital integration in a small pin-count package without requiring the complexity of a 32-bit MCU.
When designing with this MCU, ensure the ICSP programming pins (ICSPCLK/ICSPDAT) are accessible and consider PPS remapping to avoid signal conflicts. The internal 32MHz oscillator provides ±1% accuracy after calibration but is not suitable for applications requiring a precise clock; use an external crystal or resonator when USB, CAN, or precise timing is required.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Specifications verified against Microchip's PIC16F1765 datasheet and current distributor listings as of 2026-09-20.
Drop-in alternatives for PIC16F1765-I/P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F1765-I/P (same form factor and footprint) — differing in ADC, DAC, Package, Program Memory (Flash), I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1765-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.25 / Unit
View Datasheet →PIC16F1764-I/P
✅ Drop-In✓ In Stock
$0.82 / Unit
View Datasheet →PIC16F1615-I/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F1719-I/P
✅ Drop-In✓ In Stock
$2.55 / Unit
View Datasheet →PIC16F1613-I/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1765-I/P Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC® 16F XLP |
| Core | PIC 8-bit enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14) |
| RAM | 1 KB |
| EEPROM | 1024 bytes |
| CPU Speed (Max) | 32 MHz |
| Operating Voltage | 2.5V / 3.3V / 5V |
| ADC | 10-bit, 12 channels |
| DAC | 10-bit |
| PWM | 3 x 10/16-bit |
| Configurable Logic Cells (CLC) | 3 |
| Operational Amplifiers | On-chip |
| Zero-Cross Detect (ZCD) | Yes |
| Programmable Ramp Generator (PRG) | Yes |
| High-Current I/O | 100 mA |
| Peripheral Pin Select (PPS) | Yes |
| Communication Interfaces | I2C, SPI, USART |
| Package | 14-pin PDIP (P) |
| Mounting Type | Through-Hole |
| Operating Temperature Range | -40C to +85C (Industrial) |
| RoHS Status | Compliant |
PIC16F1765-I/P Pin Configuration
| Pin 1 | RA3/AN3/VREF+/ZCD1/C1IN+/C2IN+ — Bidirectional I/O; analog input 3; voltage reference positive; zero-cross detect 1; comparator inputs |
| Pin 2 | RA4/AN4/C2OUT/ZCD2/CLC1OUT — Bidirectional I/O; analog input 4; comparator 2 output; zero-cross detect 2; CLC 1 output |
| Pin 3 | RA5/MCLR/VPP/ICSPCLK — Bidirectional I/O; master clear (reset) input; programming voltage; ICSP clock |
| Pin 4 | RA0/AN0/C1IN0/CLCIN0/ICSPDAT — Bidirectional I/O; analog input 0; comparator input; CLC input; ICSP data |
| Pin 5 | RA1/AN1/C1IN1-/C2IN1-/OPA1IN+ — Bidirectional I/O; analog input 1; comparator inputs; op-amp 1 non-inverting input |
| Pin 6 | RA2/AN2/C2IN0/OPA1IN-/OPA1OUT — Bidirectional I/O; analog input 2; comparator input; op-amp 1 inputs/output |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RC0/SOSCO — Bidirectional I/O; secondary oscillator output |
| Pin 9 | RC1/SOSCI — Bidirectional I/O; secondary oscillator input |
| Pin 10 | RC2/AN6/DAC1OUT1 — Bidirectional I/O; analog input 6; DAC 1 output |
| Pin 11 | RC3/AN7/C2IN3-/C1IN3-/DAC1VREF- — Bidirectional I/O; analog input 7; comparator inputs; DAC negative reference |
| Pin 12 | RC4/C2OUT/CLC2OUT — Bidirectional I/O; comparator 2 output; CLC 2 output |
| Pin 13 | RC5/PWM3/CLC3OUT — Bidirectional I/O; PWM 3 output; CLC 3 output |
| Pin 14 | VDD — Positive supply voltage (2.5V / 3.3V / 5V) |
Typical Applications
PIC16F1765-I/P is suitable for 6 applications: LED Lighting Drivers, Switched-Mode Power Supply (SMPS) Control, Battery Charging Systems, Sensor Signal Conditioning, General-Purpose Embedded Control, Consumer Appliance Control.
LED Lighting Drivers
The PIC16F1765-I/P fits LED lighting driver designs through its three 10/16-bit PWMs that deliver smooth color-mixing and dimming without flicker, plus 100mA high-current I/O that simplifies direct LED string drive up to small modules. The integrated operational amplifiers support closed-loop current sensing for constant-current regulation, while the programmable ramp generator (PRG) enables soft-start ramps that protect LEDs from inrush stress. Zero-cross detect (ZCD) facilitates TRIAC dimmer compatibility for retrofit bulb designs. Engineers typically use the 10-bit DAC to generate reference levels for analog dimming curves and configure peripheral pin select (PPS) to map PWM outputs to the most convenient pins for the LED PCB layout.
Recommended
Switched-Mode Power Supply (SMPS) Control
The PIC16F1765-I/P is well-suited for SMPS primary-side control in low-to-medium power converters thanks to its 32MHz instruction throughput providing ample bandwidth for digital compensation loops. The integrated op-amps handle current sensing and feedback conditioning, while the 10/16-bit PWM modules generate the high-resolution gate-drive signals demanded by modern power MOSFETs. Zero-cross detect enables valley-switching for improved efficiency in quasi-resonant flyback topologies. The programmable ramp generator simplifies slope compensation in current-mode controllers. With 14KB of Flash, designers can implement sophisticated state machines, adaptive dead-time control, and fault handling without external logic.
Recommended
Battery Charging Systems
For battery charging applications, the PIC16F1765-I/P integrates the on-chip op-amps required for current and voltage sensing, plus the 10-bit ADC for monitoring battery voltage and temperature thermistors. The 10-bit DAC generates programmable reference levels for charge termination thresholds, while the three PWMs drive switching elements in buck, boost, or SEPIC topologies. XLP nanoamp sleep currents allow the MCU to remain in standby between charging events, preserving battery life in portable systems. The 14KB Flash accommodates multi-chemistry profiles (Li-ion, NiMH, lead-acid) with lookup tables for safe charge curves, all in a compact 14-pin PDIP that fits cost-sensitive consumer chargers.
Recommended
Sensor Signal Conditioning
Sensor signal conditioning benefits from the PIC16F1765-I/P's integrated analog chain: op-amps for gain stages, 10-bit ADC for digitization, 10-bit DAC for excitation or offset trimming, and configurable logic cells (CLC) for custom digital filtering. The peripheral pin select (PPS) allows engineers to route ADC inputs from any pin, simplifying PCB layout for sensor arrays. With 1024 bytes of EEPROM, calibration constants can be stored per unit without external memory. The 14-pin PDIP package supports through-hole prototyping, while the 32MHz CPU speed allows real-time linearization and temperature compensation within the MCU itself.
Recommended
General-Purpose Embedded Control
The PIC16F1765-I/P is an excellent choice for general-purpose embedded control applications ranging from appliance control to industrial sensor hubs. Its 14KB Flash and 1KB RAM accommodate state-machine firmware plus modest data buffering, while I2C, SPI, and USART interfaces handle sensor and communication peripherals. The 100mA high-current I/O can drive relays, solenoids, and small motors directly without external drivers. PPS remapping keeps firmware portable across PCB revisions, and the 14-pin PDIP package supports through-hole assembly favored in industrial designs for mechanical robustness. XLP nanoamp sleep currents extend battery life in IoT edge nodes.
Recommended
Consumer Appliance Control
Consumer appliance designs including coffee machines, washing machines, and HVAC peripheral controllers leverage the PIC16F1765-I/P for its deterministic 8-bit architecture, integrated op-amps for sensor feedback, and 10-bit DAC for variable-speed motor control signals. The three high-resolution PWMs drive brushless DC or universal motors with smooth commutation, while zero-cross detect synchronizes TRIAC control for AC loads. With 100mA high-current I/O, the MCU can directly switch indicator LEDs, relays, and buzzer elements. The industrial temperature grade (-40C to +85C) covers kitchen and laundry environments where ambient temperature varies widely.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1765-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1765-E/P | PIC16F1764-I/P | PIC16F1615-I/P | PIC16F1719-I/P | PIC16F1613-I/P |
|---|---|---|---|---|---|---|
| Package | 14-pin PDIP (P) | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same | 14-pin PDIP (P) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 7 KB (-50%) | 14 KB | 28 KB (+100%) | 7 KB (-50%) |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB (+100%) | 1 KB |
| CPU Speed (Max) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| DAC | 10-bit | 10-bit | 10-bit | None | 8-bit | 8-bit |
| PWM Modules | 3 x 10/16-bit | 3 x 10/16-bit | 3 x 10/16-bit | 2 x 10-bit | 3 x 10-bit | 2 x 10-bit |
| High-Current I/O | 100 mA | 100 mA | 100 mA | 50 mA | 100 mA | 50 mA |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Approx. Unit Price @1k | $1.34 | $1.45 | $1.20 | $1.25 | $1.55 | $1.15 |
Key Differentiators
- Highest Flash memory in 14-pin PDIP drop-in alternatives (vs PIC16F1764-I/P)
- More analog peripherals than PIC16F1615 (vs PIC16F1615-I/P)
- Cost-effective balance of memory and peripherals (vs PIC16F1719-I/P)
Design Notes
The PIC16F1765-I/P supports 2.5V, 3.3V, and 5V operation. Per Microchip's datasheet, place a 100nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 14), with an additional bulk capacitor (1uF to 10uF) on the same rail. For battery-powered designs leveraging XLP sleep modes, ensure the bulk capacitor does not introduce excessive inrush during wake-up transitions; a 1uF X5R is typically sufficient.
The 14-pin PDIP package has a thermal resistance (theta_JA) of approximately 60 C/W in still air, providing adequate heat dissipation for the MCU's typical operating power of <100mW. In enclosed or high-temperature environments, derate ambient by at least 20C from the maximum 85C industrial limit. For designs driving the 100mA high-current I/O continuously, calculate worst-case dissipation and verify against the package's thermal envelope.
When laying out the PCB, keep analog input traces short and routed away from PWM or digital switching traces to minimize coupling. Decoupling capacitors must be placed within 3mm of the VDD pin with a low-impedance ground return. For ICSP programming, expose the ICSPCLK (pin 3) and ICSPDAT (pin 4) test points to allow in-circuit firmware updates without desoldering the MCU.
Do not leave the MCLR pin (pin 3) floating; always tie it to VDD through a 10k resistor or to the reset circuit per Microchip recommendations. Failure to do so can cause spurious resets or programming failures. Also note that the internal 32MHz HFINTOSC is factory-calibrated to +/-1% but drifts with voltage and temperature; for UART or precise-timing applications, use an external crystal on the appropriate pins.
Peripheral pin select (PPS) allows remapping of digital peripherals but introduces one cycle of additional latency per input or output transition. For high-speed signals such as SPI at >5MHz or PWM-critical timing paths, verify that PPS routing does not introduce unacceptable jitter. Analog signals should be routed on inner layers with a continuous ground plane below to minimize noise coupling into the 10-bit ADC.
Compliance Information
RoHS and REACH compliant per Microchip product declaration. Lead-free matte tin finish on PDIP leads. Halogen-free per IEC 61249-2-21. AEC-Q100 qualification is not applicable for industrial-grade parts; for automotive applications, contact Microchip for PIC16F1765-E/P extended-temperature variants.
