PIC16F1575-I/JQ - 8-bit MCU, 14KB Flash, 32MHz, 16-UQFN | Microchip
MPN: PIC16F1575-I/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.46 | $14.60 |
| 100 | $1.21 | $121.00 |
| 500 | $1.04 | $520.00 |
| 1,000 | $0.92 | $920.00 |
PIC16F1575-I/JQ Overview
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program and data memory, peripherals, and I/O on a single chip. The PIC16F1575 belongs to the PIC® 16F family of 8-bit RISC microcontrollers built on a CMOS process, positioned above 8-bit baseline PIC10/12/16 and below the 16-bit dsPIC/PIC24 and 32-bit PIC32MX architectures. Within Microchip's broader portfolio it sits in the Enhanced Mid-Range core family, suitable for digital control and signal-conditioning applications.
Key features include four independent 16-bit PWM channels with dedicated timers for high-resolution output, a 10-bit ADC with up to 8 input channels, a 5-bit DAC, two comparators, and four 8-bit timers plus one 16-bit timer. Peripherals are routed via the Peripheral Pin Select (PPS) system, allowing flexible pin assignment. The 16-UQFN package provides compact board-area, and the exposed thermal pad improves heat dissipation at higher operating frequencies.
The device integrates a high-speed 32MHz internal oscillator, configurable clock options, eXtreme Low Power (XLP) sleep modes, and Core Independent Peripherals (CIPs) that reduce CPU overhead. In-circuit debugging is supported via Microchip's MPLAB ICD programming/debug interface, and code is developed in MPLAB X IDE with XC8 compilers.
Typical applications include LED lighting and color-mixing controllers, motor control and small DC driver boards, sensor signal conditioning, battery-powered IoT end nodes, and consumer white goods. The four 16-bit PWMs are particularly suited to high-resolution dimming or color-control loops.
When designing with this MCU, observe UQFN PCB layout guidelines: stitch vias under the exposed pad to a continuous inner ground plane for thermal and electrical performance, and keep analog/digital traces short and isolated. Use MPLAB X IDE and a PICkit or ICD debugger for in-system programming.
This page synthesizes distributor pricing, same-package PIC16 family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F1575-I/JQ — 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 PIC16F1575-I/JQ (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Core Architecture, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1575-E/JQ
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16F15325-E/JQ
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16F1455-I/JQ
✅ Drop-In✓ In Stock
$1.27 / Unit
View Datasheet →PIC16F1574-I/ST
✅ Drop-In✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F15313-I/P
✅ Drop-In✓ In Stock
$0.51 / Unit
View Datasheet →PIC16F1575-I/JQ Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC (Enhanced Mid-Range) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 1 KB (1024 bytes) |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage (Vdd) | 2.3 V to 5.5 V (PIC16F1575 F-version) |
| Package | 16-UQFN (4x4 mm) with exposed pad |
| Pin Count | 16 |
| Temperature Grade (I) | -40C to +85C industrial |
| ADC | 10-bit, up to 8 channels |
| DAC | 5-bit, 1 channel |
| PWM Channels | 4 x 16-bit (independent timers) |
| Comparators | 2 |
| Timers | 4 x 8-bit + 1 x 16-bit |
| Peripheral Pin Select (PPS) | Yes |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F1575-I/JQ Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O / ICSPCLK |
| Pin 2 | RA4 — Bidirectional I/O |
| Pin 3 | RA3 — Bidirectional I/O / MCLR (input only on this pin) |
| Pin 4 | RA2 — Bidirectional I/O |
| Pin 5 | RA1 — Bidirectional I/O / ICSPDAT |
| Pin 6 | RA0 — Bidirectional I/O |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O |
| Pin 9 | RA6 — Bidirectional I/O / OSC2 |
| Pin 10 | RC0 — Bidirectional I/O |
| Pin 11 | RC1 — Bidirectional I/O |
| Pin 12 | RC2 — Bidirectional I/O |
| Pin 13 | RC3 — Bidirectional I/O |
| Pin 14 | RC4 — Bidirectional I/O |
| Pin 15 | RC5 — Bidirectional I/O |
| Pin 16 | VDD — Positive supply voltage |
Typical Applications
PIC16F1575-I/JQ is suitable for 6 applications: LED Lighting and Color-Mixing Controller, Small DC Motor and Fan Speed Control, Battery-Powered IoT Sensor Node, Consumer White Goods and Home Appliances, Industrial Sensor Signal Conditioning, Digital Power and DC-DC Converter Control.
LED Lighting and Color-Mixing Controller
The PIC16F1575-I/JQ is purpose-built for high-resolution LED lighting and color-mixing controllers, leveraging its four independent 16-bit PWM channels with dedicated timers. Each PWM provides up to 65536 steps of brightness resolution, enabling flicker-free dimming curves and precise RGBW color mixing critical for tunable-white and architectural lighting. The 10-bit ADC supports ambient-light feedback and color-sensor calibration, while the 5-bit DAC drives reference setpoints for closed-loop current control. Placed on a compact 4x4 mm UQFN footprint, this MCU suits high-density linear fixtures and downlights where PCB area is constrained. The -40C to +85C industrial rating covers indoor and outdoor luminaires operating in sealed enclosures.
Recommended
Small DC Motor and Fan Speed Control
For small DC motor, brushless fan, and pump speed control, the PIC16F1575-I/JQ delivers four 16-bit PWMs that drive FET half-bridges with sub-microsecond duty-cycle resolution, enabling smooth start-up ramps and torque-ripple-free commutation. The two on-chip comparators implement hardware overcurrent and back-EMF detection, offloading the CPU from critical protection tasks. The 10-bit ADC samples motor feedback at rates adequate for closed-loop RPM control via PID firmware. At 32 MHz CPU clock, the controller runs RTOS-free control loops at kHz rates. The 4x4 mm UQFN package is well suited to the compact PCBs inside fans, drones, and small appliance motor drivers.
Recommended
Battery-Powered IoT Sensor Node
Battery-powered IoT end nodes benefit from the PIC16F1575-I/JQ's XLP eXtreme Low Power modes with sub-microamp sleep currents and a 32 MHz high-performance CPU that wakes only for sensor sampling. The 10-bit ADC reads temperature, humidity, and gas-sensor outputs while the on-chip comparators trigger wake-on-threshold events without CPU intervention. The 14 KB Flash accommodates BLE/Zigbee stack fragments or LoRaWAN device drivers for hybrid sensor-radio designs. The industrial -40C to +85C rating supports outdoor and industrial IoT deployments. The 4x4 mm UQFN footprint allows integration into coin-cell powered sensor puck form factors.
Recommended
Consumer White Goods and Home Appliances
The PIC16F1575-I/JQ is well suited to consumer white-goods controllers such as coffee makers, induction cooktops, washing-machine front panels, and HVAC thermostats. The four 16-bit PWMs drive TRIACs and IGBT gate drivers with timing precision for zero-cross switching, while the 10-bit ADC reads NTC temperature sensors and current-sense shunts. Two comparators implement brown-out and over-temperature hardware protection independent of firmware. The 14 KB Flash stores UI state machines, fault logs, and safety routines. The UQFN package and exposed pad provide thermal headroom for the elevated ambient inside appliance enclosures.
Recommended
Industrial Sensor Signal Conditioning
In industrial process-control and factory-automation front-ends, the PIC16F1575-I/JQ conditions 4-20 mA loop signals, thermocouples, and bridge-style pressure sensors with its 10-bit ADC and on-chip DAC for excitation. The PWM channels drive excitation frequencies for ratiometric sensors and switch-mode supply front-ends. The on-chip comparators detect fault conditions such as wire-break and over-range, raising interrupts without CPU latency. With industrial temperature rating and a robust PIC core, the device handles motor-drive cabinet and outdoor panel environments. The UQFN footprint supports dense multi-channel analog front-end PCBs.
Recommended
Digital Power and DC-DC Converter Control
The PIC16F1575-I/JQ is suited to digital control of non-isolated DC-DC converters, including buck, boost, and SEPIC topologies using its four 16-bit PWMs with configurable dead-band generators. The high PWM resolution enables fine output voltage regulation under dynamic load. The 10-bit ADC samples output voltage, inductor current, and input rail for voltage-mode and peak-current-mode control loops. The on-chip 5-bit DAC programs reference voltages for adaptive voltage scaling. The 32 MHz CPU executes digital compensator loops at hundreds of kHz switching frequencies in compact point-of-load modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1575-I/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1575-E/JQ | PIC16F15325-E/JQ | PIC16F1455-I/JQ | PIC16F1574-I/ST | PIC16F15313-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-UQFN (4x4 mm) | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 14-TSSOP - different | 8-PDIP - different |
| Flash Memory | 14 KB | 14 KB | 28 KB | 14 KB | 7 KB | 7 KB |
| RAM | 1 KB | 1 KB | 2 KB | 1 KB | 512 B | 512 B |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 48 MHz | 32 MHz | 32 MHz |
| PWM Channels | 4 x 16-bit | 4 x 16-bit | 2 x 10-bit | 2 x 10-bit | 4 x 16-bit | 2 x 10-bit |
| ADC | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 7 ch |
| Temperature Grade | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
Key Differentiators
- Four independent 16-bit PWM channels with dedicated timers (vs PIC16F15325-E/JQ)
- Compact 4x4 mm UQFN with exposed thermal pad (vs PIC16F1574-I/ST)
- Same 14-UQFN footprint preserved across temperature grades (vs PIC16F1575-E/JQ)
Design Notes
The 16-UQFN (4x4 mm) JQ package has an exposed thermal pad that must be soldered to a continuous inner-plane ground pour for electrical and thermal performance. Estimated: with a 4x4 via-array thermal pad stitched to inner ground, junction-to-ambient theta_JA is approximately 35-40 C/W at 32 MHz, so at full CPU load (about 8 mA core current) junction rise stays under 5C above ambient. Stitch vias should be 0.2 mm drill, 0.4 mm pitch, plugged or tented to prevent solder wicking during reflow.
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 16), with a trace length under 2 mm. Add a bulk 10 uF tantalum or ceramic on the same VDD rail. For battery-powered applications, leverage the XLP sleep modes (sub-1 uA typical per the PIC16F157x datasheet) by configuring all unused peripherals to off before issuing the SLEEP instruction. Estimated: typical active current at 32 MHz and 3.3V Vdd is around 1.5-2 mA, dropping to ~50 nA in sleep with WDT disabled.
Do not forget to configure PPS (Peripheral Pin Select) before using peripherals on remappable pins - peripherals are mapped to default pins after reset but the UQFN pinout may differ from your expected port layout. Also, the MCLR function shares pin 3 (RA3) with general I/O; for production firmware, configure MCLRE = OFF to repurpose the pin, but provide an external reset supervisor IC. According to the PIC16F157x family datasheet (DS40002176D), incorrect MCLR configuration is the most common bring-up failure.
For ADC sampling above 50 ksps, add a 100 ohm source resistor and 100 nF capacitor on the analog input to form an anti-alias filter. Route analog traces away from PWM and clock traces to avoid digital switching noise coupling into ADC measurements. Use a separate analog ground island stitched to digital ground at one point near the MCU GND pin. Estimated: with proper grounding, ENOB for the 10-bit ADC approaches 9.5 bits at full sampling rate per typical PIC16 ADC characterization data.
Keep the ICSP programming traces (ICSPCLK on RA5, ICSPDAT on RA1) short and free of series resistors, capacitors, or buffers between the IC and the PICkit/ICD connector. Otherwise in-system programming becomes unreliable. Per Microchip ICSP design guidelines, add 4.7 kohm pull-ups on ICSPCLK and ICSPDAT only if required by your debugger tool, otherwise leave them floating or driven by the programmer. The 16-UQFN layout should leave at least 0.5 mm clearance from the package edge to adjacent traces for pick-and-place tolerances.
Compliance Information
RoHS and REACH compliance confirmed per Microchip product page. AEC-Q100 not applicable to 8-bit MCU product line. Halogen-free status not explicitly stated in provided data, marked unknown per Data Authenticity Rule.
