PIC16LF707-I/MV - 8-bit MCU, 14KB Flash, mTouch, 40-UQFN | Microchip
MPN: PIC16LF707-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.28 | $228.00 |
| 500 | $2.03 | $1,015.00 |
| 1,000 | $1.85 | $1,850.00 |
PIC16LF707-I/MV Overview
An 8-bit microcontroller (MCU) is a small, low-cost computer-on-a-chip built around an 8-bit data path and is one of the most widely deployed computing platforms in embedded systems. Within the broader taxonomy, the PIC16LF707 sits under: microcontroller -> 8-bit MCU -> PIC16 family -> mid-range PIC16F/LF -> Microchip mid-range MCU architecture. These devices integrate CPU core, non-volatile Flash program memory, RAM, EEPROM data memory, and a rich set of peripherals (ADC, timers, communication, touch sensing) into a single IC, replacing discrete logic and reducing BOM cost.
Key features include 14KB Flash (8K x 14 words), 20MHz maximum CPU clock, an integrated 16MHz internal oscillator (no external crystal required), 8-bit ADC with multiple channels, Capture/Compare/PWM (CCP) modules, hardware I2C/SPI and AUSART (Enhanced USART) serial interfaces, and Microchip's XLP (eXtreme Low Power) technology that delivers nanoWatt standby currents. The mTouch peripheral supports up to 32 capacitive touch channels, enabling robust touch button, slider, and proximity sensor implementations without external touch ICs.
The PIC16LF707 utilizes Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, providing deterministic interrupt latency and Harvard bus architecture. The device operates from 1.8V to 3.6V (the 'LF' low-voltage variant of the PIC16F707, which extends to 5.5V), making it suitable for battery-powered applications where the wider Vdd range and lower minimum voltage extend runtime on depleted cells. XLP technology enables deep sleep currents in the sub-microamp range, critical for always-on touch-sensing user interfaces in IoT and consumer appliances.
Typical applications include capacitive touch user interfaces for appliances and consumer electronics, mTouch button replacement panels, capacitive proximity sensors, low-power IoT sensor nodes, battery-powered home automation controls, white goods control boards, and human-machine interface (HMI) front panels in industrial equipment. The wide operating voltage also makes it suitable for USB-powered embedded devices running from regulated 3.3V rails.
When designing with the PIC16LF707-I/MV, ensure the PCB layout follows UQFN grounding recommendations: a continuous ground plane under the exposed pad (EP) is mandatory for thermal dissipation and electrical performance. Decouple VDD with a 100nF ceramic capacitor placed within 3mm of the supply pin, and add a bulk 1uF-10uF capacitor near the regulator. For mTouch designs, follow Microchip's AN1258 and AN1478 application notes for sensor PCB layout and noise immunity guidelines.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single manufacturer or distributor page, providing engineers and procurement specialists with the consolidated information needed for component selection and BOM management.
Drop-in alternatives for PIC16LF707-I/MV — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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PIC16F707-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF707-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Maximum CPU Clock | 20 MHz |
| Internal Oscillator | 16 MHz (factory calibrated) |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (industrial) |
| ADC | 8-bit, multi-channel |
| Capacitive Touch Channels (mTouch/CSM) | 32 channels |
| Communication Interfaces | I2C, SPI, AUSART (Enhanced USART) |
| CCP Modules | Capture/Compare/PWM |
| Low-Power Technology | XLP (eXtreme Low Power) / nanoWatt |
| Package | 40-pin UQFN (5x5 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Lead-Free | Yes |
PIC16LF707-I/MV 40-pin uqfn (5x5 mm) Pin Configuration Guide
Pin configuration for PIC16LF707-I/MV (40-pin uqfn (5x5 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC16LF707-I/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC16LF707-I/MV is suitable for 6 applications: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, White Goods Control Board, Capacitive Proximity Sensor Module, Industrial HMI Front Panel, USB-Powered Consumer Device.
Capacitive Touch User Interface
The PIC16LF707-I/MV's 32-channel mTouch Capacitive Sensing Module makes it a strong fit for capacitive touch user interfaces in appliances, consumer electronics, and industrial control panels. With hardware charge-time measurement (CTMU/CVD), the part delivers robust touch detection across noisy environments and supports button, slider, and wheel topologies without external touch ICs. The 20 MHz CPU provides enough headroom for advanced touch filtering, gesture decoding, and LED/HMI feedback loops, while XLP nanoWatt technology keeps quiescent current below 1 uA in idle states. Compared to discrete touch ICs, the integrated MCU + touch engine reduces BOM by ~30% and PCB area by ~40% in typical 16-button control panels. The 1.8V-3.6V Vdd range supports direct Li-ion battery operation for portable touch interfaces.
Recommended
Battery-Powered IoT Sensor Node
The PIC16LF707-I/MV fits battery-powered IoT sensor nodes thanks to its 1.8V-3.6V Vdd range, integrated 16MHz internal oscillator (eliminating external crystal power drain), and XLP nanoWatt technology with sub-microamp sleep current. The part can wake periodically from sleep via the Watchdog Timer or mTouch interrupt, sample a sensor via the 8-bit ADC, transmit over AUSART, and return to sleep within milliseconds - a duty cycle that enables multi-year coin-cell or 2x AA battery life. The 14KB Flash accommodates small protocol stacks (Modbus RTU, vendor-proprietary) and OTA-ready bootloaders. Drop-in compatibility with PIC16F707-I/MV (same 40-UQFN footprint) gives designers a future migration path to 5V-rail industrial gateways.
Recommended
White Goods Control Board
The PIC16LF707-I/MV serves as a main or sub-controller on white goods control boards (washing machines, dishwashers, ovens, refrigerators) where its 32-channel mTouch replaces mechanical pushbuttons with sealed glass touch panels - improving water resistance and reducing mechanical wear. The integrated CCP modules drive TRIAC/SSR control of motors, heaters, and pumps; AUSART interfaces to LED display drivers or HVAC modules; the 8-bit ADC reads NTC temperature sensors and current shunts. The 1.8V-3.6V supply simplifies 3.3V regulator design, while the 40-UQFN (5x5 mm) package fits compact control board footprints. Industrial -40C to +85C temperature grade handles appliance under-cabinet thermal environments.
Recommended
Capacitive Proximity Sensor Module
The PIC16LF707-I/MV's 32-channel CSM and CTMU hardware enables robust capacitive proximity sensing through glass, plastic, and wood up to 10 cm - making it suitable for automatic faucets, soap dispensers, hand dryers, and smart lighting occupancy sensors. The hardware CVD engine handles environmental compensation (temperature, humidity drift), reducing firmware complexity vs pure software-based touch libraries. The 20 MHz CPU executes proximity detection algorithms within <2 ms, well below typical 50 ms response requirements. The 1.8V-3.6V supply supports direct 2x AA battery operation for retrofit proximity modules; the 40-UQFN package fits inside small IP65-rated enclosures with conformal coating.
Recommended
Industrial HMI Front Panel
The PIC16LF707-I/MV is well-suited for industrial HMI front panels requiring sealed capacitive touch buttons, status LEDs, and serial communication to a host controller. The AUSART (RS-232/RS-485 via external transceiver) interfaces directly to PLCs or industrial gateways; the SPI bus drives LED driver chains for backlight and indicator control. The mTouch peripheral replaces up to 32 mechanical switches with a single glass overlay, improving ingress protection (IP65+) and reducing panel cutout complexity. The 40-UQFN footprint (5x5 mm) leaves ample PCB space for isolators, RS-485 transceivers, and TVS protection components. AEC-Q100 is not required for industrial non-automotive HMIs, so the standard -40C to +85C industrial grade is sufficient.
Recommended
USB-Powered Consumer Device
The PIC16LF707-I/MV integrates cleanly into USB-powered consumer devices (USB desktop gadgets, charging accessories, smart-home hubs) where the regulated 3.3V rail from the USB 5V VBUS feeds the MCU directly. The integrated 16 MHz internal oscillator eliminates the external crystal + load capacitors, freeing PCB area for USB connector, ESD protection, and buck regulators. The 14KB Flash accommodates USB HID class drivers, vendor-specific descriptors, and small command parsers. The AUSART peripheral handles debug logging; CCP modules drive status LEDs or PWM-controlled fans. The 40-UQFN package allows compact consumer-form-factor designs while maintaining ROHS3 compliance for EU markets.
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Recommended Products Summary
Engineering reference data for PIC16LF707-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F707-I/MV | PIC16LF707-I/PT |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) - same | 44-TQFP - different pin count |
| Program Memory (Flash) | 14 KB (8K x 14) | 14 KB (8K x 14) | 14 KB (8K x 14) |
| Operating Voltage (Vdd) | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| Maximum CPU Clock | 20 MHz | 20 MHz | 20 MHz |
| Internal Oscillator | 16 MHz | 16 MHz | 16 MHz |
| mTouch / CSM Channels | 32 channels | 32 channels | 32 channels |
| ADC | 8-bit | 8-bit | 8-bit |
| Low-Power Technology | XLP / nanoWatt | XLP / nanoWatt | XLP / nanoWatt |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Lowest minimum Vdd in PIC16F707 family (vs PIC16F707-I/MV)
- Same UQFN footprint as F-variant for drop-in upgrade path (vs PIC16F707-I/MV)
- 32 mTouch channels exceed most PIC16 mid-range competitors (vs PIC16LF1938-I/ML)
Design Notes
The 40-UQFN (5x5 mm) package has a center exposed thermal pad (EP) that MUST be soldered to a continuous PCB ground plane for electrical performance and thermal dissipation. Per Microchip datasheet DS40001418C and AN1258, the EP should connect to GND via at least 9 thermal vias in a 3x3 array (0.3mm drill, 0.5mm pitch). Failing to solder the EP will cause erratic mTouch behavior and elevated junction temperature. Decouple VDD with a 100 nF X7R ceramic capacitor placed within 3 mm of the supply pin, plus a bulk 1 uF-10 uF tantalum or ceramic capacitor near the regulator output.
For mTouch sensor PCB layout, follow Microchip AN1478 ('mTouch Sensing Algorithm Operation and Tuning') and AN1258 ('Layout and Physical Design Considerations for mTouch'). Key rules: (1) Route sensor traces as short as possible with minimal via count; (2) Guard each sensor trace with a ground trace to reduce noise coupling; (3) Avoid routing digital signals (SPI, PWM) parallel to or under sensor electrodes; (4) Use a ground pour under and around sensors, with hatched pattern if moisture detection is needed; (5) Keep switching power supplies (DC-DC, LED drivers) at least 30 mm from sensor electrodes or shield them with ground fences.
The PIC16LF707-I/MV's XLP nanoWatt technology achieves typical sleep currents below 1 uA when the mTouch wake-up peripheral is enabled, and below 100 nA in full sleep with all peripherals disabled. To realize these figures in production: (1) Disable all unused peripherals via firmware before sleep entry; (2) Switch unused I/O pins to outputs driving low (not high-impedance inputs) to avoid floating-pin leakage; (3) Use the internal 16 MHz HFINTOSC only when CPU is active; (4) For periodic wake applications, use the Watchdog Timer (WDT) with postscaler rather than an external RTC. Estimated: at 1 Hz wake-up with 5 ms active time, average current can drop below 5 uA on a CR2032 coin cell.
Common design pitfalls with the PIC16LF707-I/MV include: (1) Exceeding 3.6V Vdd - the LF variant is NOT 5V-tolerant; connecting it to a 5V rail will damage the part. Use PIC16F707 for 5V systems. (2) Missing the decoupling capacitor on VDD - causes ADC noise, mTouch mis-triggers, and erratic brown-out resets. (3) Forgetting to configure the AUX pin (pin 11 on 40-UQFN) - this pin defaults to analog mode and must be set to digital if used as GPIO. (4) Using the internal oscillator without enabling the PLL when CPU performance is critical - the 16 MHz HFINTOSC gives only 16 MIPS; PLL-multiplied to 32 MHz is required for full 20 MHz CPU clock with 4x PLL.
Compliance Information
ROHS3 Compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified - for automotive designs, use AEC-Q100-qualified Microchip MCUs (e.g., PIC16F18446 automotive family). Halogen-free status not explicitly listed on the provided sources.
