PIC16F1575T-I/JQ - 8-Bit MCU, 14KB Flash, 16-bit PWM | Microchip
MPN: PIC16F1575T-I/JQ β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.45 | $14.50 |
| 100 | $1.28 | $128.00 |
| 500 | $1.15 | $575.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16F1575T-I/JQ Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and programmable peripherals. The PIC16F1575 sits in the 8-bit RISC family and combines general-purpose digital I/O, high-resolution analog, and flexible PWM generation. Within the broader taxonomy: MCU -> microcontroller -> embedded processor -> semiconductor IC. This device is optimized for applications that demand both analog signal conditioning and precise PWM timing in a small footprint.
Key features include four 16-bit PWM channels with independent timers for high-resolution dimming and motor control, a 10-bit ADC with eight input channels, a 5-bit DAC for reference generation, two comparators with rail-to-rail inputs, and 1KB of RAM with 14KB of self-programmable Flash. The device also supports in-circuit serial programming (ICSP) and Microchip's enhanced mid-range core with 49 instructions and 16-level hardware stack.
Architecturally, the PIC16F1575 uses an enhanced mid-range 8-bit RISC core with a hardware multiplier-free instruction set, deep pipeline, and a deterministic interrupt controller. The four 16-bit PWMs each run from independent time bases, enabling phase-shifted or synchronized outputs without CPU intervention. The integrated Core Independent Peripherals (CIPs) reduce firmware overhead and allow event-driven responses to analog comparator and ADC triggers.
Typical applications include LED lighting drivers, motor control, battery chargers, digital power conversion, fan control, and general-purpose embedded control nodes. The wide operating voltage range supports battery-powered and USB-powered designs, while the small UQFN footprint suits space-constrained PCB layouts such as backlight drivers and compact IoT nodes.
A key design consideration is the exposed thermal pad on the UQFN package, which must be soldered to the PCB ground plane to meet thermal and electrical performance. Decoupling capacitors of 0.1uF and 1uF should be placed close to VDD with the ICSP pins reserved for in-circuit programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone datasheet. Compare against cross-brand and same-family PIC16F1574/1579 options before committing to a BOM.
Drop-in alternatives for PIC16F1575T-I/JQ β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F1575-I/JQ
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1575T-I/JQVAO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1574T-I/JQ
β Drop-Inπ Reference alternative (not in catalog)
PIC16LF1575T-I/JQ
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1575T-I/JQ Maximum Ratings & Electrical Characteristics
| Core Architecture | Enhanced Mid-Range 8-bit PIC RISC |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Data EEPROM | None (emulated in Flash) |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 16-UQFN (4x4 mm) with exposed pad |
| Pin Count | 16 |
| ADC | 10-bit, up to 8 channels |
| DAC | 5-bit, 1 channel |
| Comparators | 2 |
| PWM Channels | 4 x 16-bit (independent timers) |
| Timers | 2 x 8-bit, 1 x 16-bit |
| I/O Pins | 12 |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Instruction Set | 49 instructions, 16-level hardware stack |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F1575T-I/JQ Pin Configuration
| Pin 1 | RA5 β General purpose I/O / ICSP data |
| Pin 2 | RA4 β General purpose I/O |
| Pin 3 | RA3 β General purpose I/O / MCLR |
| Pin 4 | RA2 β General purpose I/O |
| Pin 5 | RA1 β General purpose I/O / DAC output |
| Pin 6 | RA0 β General purpose I/O |
| Pin 7 | VSS β Ground |
| Pin 8 | RC5 β General purpose I/O / PWM |
| Pin 9 | RC4 β General purpose I/O / PWM |
| Pin 10 | RC3 β General purpose I/O / PWM |
| Pin 11 | RC2 β General purpose I/O / PWM |
| Pin 12 | RC1 β General purpose I/O |
| Pin 13 | RC0 β General purpose I/O |
| Pin 14 | VDD β Positive supply voltage |
| Pin 15 | RB7 β General purpose I/O / ICSP clock |
| Pin 16 | RB6 β General purpose I/O / ICSP data |
Typical Applications
PIC16F1575T-I/JQ is suitable for 6 applications: High-Resolution LED Lighting Driver, Brushless DC Motor Control, Digital Battery Charger / Power Conversion, IoT Sensor Node with PWM-driven IR/Visible LED, Smart Fan / Pump Speed Controller, Industrial Backlight / Display Dimming.
High-Resolution LED Lighting Driver
The PIC16F1575T-I/JQ's four independent 16-bit PWM channels deliver up to 65536 duty-cycle steps per channel, supporting smooth dimming without visible flicker in premium LED fixtures. Each PWM runs from its own timer, so multiple LED strings can be phase-shifted for reduced EMI. Place the MCU between the 5V rail and the LED string drivers; the 1.8V-5.5V VDD range allows direct USB or battery powering while the 16-UQFN footprint keeps total PCB area under 20 mm^2.
Recommended
Brushless DC Motor Control
The PIC16F1575T-I/JQ drives sensored or sensorless BLDC motors using its four 16-bit PWMs and 10-bit ADC for back-EMF sensing. Each PWM channel can be assigned to one motor phase with independent timing, enabling field-oriented control (FOC) with software modulation on the Core Independent Peripherals. The 32MHz instruction rate gives 8 MIPS, sufficient for sensorless commutation loops at moderate RPM; the wide VDD range supports 2-cell Li-ion and 5V bus designs.
Recommended
Digital Battery Charger / Power Conversion
The PIC16F1575T-I/JQ regulates charging current and voltage in single-cell Li-ion or multi-cell NiMH chargers using its 10-bit ADC for V/I sensing, 5-bit DAC for reference, and two comparators for over-current and under-voltage protection. The 16-bit PWMs switch MOSFETs at high resolution, achieving tight regulation without external timer ICs. With 1.8V minimum VDD, the MCU can run directly from a discharged cell while managing the charging cycle.
Recommended
IoT Sensor Node with PWM-driven IR/Visible LED
In IoT hubs, the PIC16F1575T-I/JQ drives IR or visible LEDs using its 16-bit PWMs to modulate carrier waveforms for sensor data transmission. The 1KB RAM buffers sensor samples while the ADC captures analog inputs; the small 16-UQFN package (4x4 mm) drops onto coin-cell powered sensor boards. The wide VDD and low core power make it ideal for years-long battery-life applications with sleep-mode duty cycling.
Recommended
Smart Fan / Pump Speed Controller
The PIC16F1575T-I/JQ uses its 16-bit PWMs to drive BLDC or brushed fans with closed-loop RPM control. The 10-bit ADC reads back-EMF or tachometer signals; the on-chip comparators generate hardware fault shutdown for over-current without CPU latency. The 32MHz core runs PID loops at 100Hz update rate; the industrial -40C to +85C temperature range suits fans, pumps, and appliance environments.
Recommended
Industrial Backlight / Display Dimming
The PIC16F1575T-I/JQ dims LCD backlights or OLED displays with four independent 16-bit PWM channels, achieving flicker-free brightness control over the entire 1:65535 range. The comparators monitor LED current and temperature while the ADC reads ambient light sensors for automatic dimming loops. The exposed-pad UQFN package ensures good thermal dissipation at high PWM frequencies in continuous operation across industrial temperature grades.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1575T-I/JQ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1575-I/JQ | PIC16F1575T-I/JQVAO | PIC16F1574T-I/JQ | PIC16LF1575T-I/JQ |
|---|---|---|---|---|---|
| Package | 16-UQFN (4x4 mm) | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 512 B | 1 KB |
| PWM Resolution | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit |
| ADC | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 16 MHz |
Key Differentiators
- Four 16-bit PWM channels with independent timers (vs PIC16F1574T-I/JQ)
- Higher maximum CPU frequency at full VDD range (vs PIC16LF1575T-I/JQ)
- Compact 16-UQFN footprint for space-constrained designs (vs PIC16F1575T-I/ST (TSSOP-14))
Design Notes
Place a 0.1uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 14) and a bulk 1uF to 10uF capacitor on the same VDD net. Microchip recommends a minimum 0.1uF ceramic on every VDD pin and a 10uF bulk on the board for the enhanced mid-range core. Estimated: assuming 32MHz operation at 5V, average IDD is approximately 7mA, so the bulk cap must support transient loads without droop.
The 16-UQFN package includes an exposed thermal pad beneath the die that must be soldered to the PCB ground plane to meet electrical and thermal specs. Use at least 4 thermal vias (0.3mm diameter) under the pad to a continuous ground pour on the opposite layer. Without proper pad soldering, the device may exhibit elevated junction temperature and reduced reliability under high PWM switching loads.
Route ICSP pins (RA5/ICSPDAT, RB6/ICSPCLK, RA3/MCLR) so they are accessible for programming headers or test points. Keep analog traces from RA0/RA1 short and away from high-current PWM traces on RC0-RC5 to minimize crosstalk. Place the 0.1uF VDD bypass within 2mm of the VDD pin and the bulk cap within 10mm on the same VDD net.
Do not exceed the absolute maximum VDD of 7V or inject ESD on MCLR; this is the most common failure mode on UQFN-packaged PIC16 parts. Confirm the device's Flash self-write timing when emulating EEPROM - each Flash write cycle takes several ms and requires the oscillator to be stable. The 16-bit PWM outputs start in a defined state after reset; configure PWMs before enabling output modules to avoid unwanted pulses.
Compliance Information
RoHS and REACH compliant per Microchip product page. Standard PIC16F1575T-I/JQ is not AEC-Q100; choose PIC16F1575T-I/JQVAO variant for automotive qualification.
