PIC16F1575-I/SL - 8-Bit MCU, 32MHz, 14KB Flash | Microchip
MPN: PIC16F1575-I/SL ✓ فعالPIC16F1575-I/SL جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a mix of analog and digital peripherals. Within the broader taxonomy, the PIC16F1575 sits under 8-bit microcontrollers -> microcontrollers -> microprocessors & MCUs -> embedded processors -> semiconductors. Its enhanced mid-range (XLP) core supports a 49-instruction set with 16 hardware stack levels and deterministic interrupt latency, making it appropriate for real-time control tasks where predictability matters more than raw throughput.
Key differentiating features of the PIC16F1575-I/SL include its four 16-bit PWMs (each with dedicated timer base and period register, capable of edge-aligned and center-aligned modes), 10-bit ADC with acquisition timer, 5-bit DAC, comparator, EUSART, MSSP (SPI/I2C), two 8-bit timers, one 16-bit timer, and 12 I/O pins. The device also features the eXtreme Low Power (XLP) sleep mode drawing sub-microamp currents for battery-driven designs.
Architecturally, the PIC16F1575 employs a Harvard RISC architecture with separate program and data buses, allowing instruction fetch and data access in a single clock cycle. The on-chip high-precision 16 MHz internal oscillator can be used directly or scaled to 32 MHz via the 4x Phase-Locked Loop, removing the need for external crystals in cost-sensitive designs. Configurable logic cells (CLC), Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO) provide synthesizable digital functions in hardware, freeing the core for higher-level tasks.
Typical applications include LED lighting drivers (where the four 16-bit PWMs allow individual channel intensity control for RGBW strips), stepper and brushed DC motor control, switch-mode power supply (SMPS) digital control loops, battery chargers, fan controllers, and general-purpose sensor interfacing. The 10-bit ADC and op-amp peripheral allow direct signal conditioning of low-level analog inputs without external components.
When designing with this MCU, pay particular attention to the maximum I/O current budget (per-pin and aggregate) and the recommended decoupling network (typically 100 nF plus 10 uF bulk near VDD). The internal oscillator is factory-calibrated to +/- 1 % across voltage and temperature, but a software PLL trim can tighten this further for time-sensitive protocols such as UART at high baud rates.
This page synthesizes distributor pricing, drop-in alternatives from the PIC16F157x and PIC16F152x families, and practical design notes not found in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16F1575-I/SL — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16F1575-I/SL (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Core Architecture, Operating Temperature, ADC, Program Memory (Flash).
PIC16F1575T-I/SL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1575-E/SL
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F1574-I/SL
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F1575-I/SL زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC16 8-bit Enhanced Mid-range RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 1024 bytes |
| Data EEPROM | 0 bytes (Flash emulated) |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 10-bit, up to 8 channels |
| PWM Channels | 4 x 16-bit (independent) |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Communication | 1 x EUSART, 1 x MSSP (SPI/I2C) |
| Internal Oscillator | 16 MHz factory-calibrated (+/- 1 %) |
| PLL | 4x (yields 32 MHz from 8 MHz) |
| پیکیج | 14-SOIC (SL), 150-mil, 3.90 mm body |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 1 (unlimited floor life) |
| RoHS اسٹیٹس | Compliant |
PIC16F1575-I/SL پن کنفیگریشن
| پن 1 | VDD — Positive power supply (2.3 V to 5.5 V) |
| پن 2 | RA5 — Bidirectional I/O / PWM4 output |
| پن 3 | RA4 — Bidirectional I/O / PWM3 output |
| پن 4 | RA3/MCLR — I/O or Master Clear (reset) input; tie to VDD via pull-up for normal operation |
| پن 5 | RC5 — Bidirectional I/O / PWM2 output |
| پن 6 | RC4 — Bidirectional I/O / PWM1 output |
| پن 7 | RC3 — Bidirectional I/O / analog input |
| پن 8 | RC2 — Bidirectional I/O / analog input |
| پن 9 | RC1 — Bidirectional I/O / analog input |
| پن 10 | RC0 — Bidirectional I/O / analog input |
| پن 11 | RA2 — Bidirectional I/O / analog input |
| پن 12 | RA1 — Bidirectional I/O / analog input |
| پن 13 | RA0 — Bidirectional I/O / analog input |
| پن 14 | VSS — Ground reference |
عام استعمالات
PIC16F1575-I/SL کے لیے موزوں ہے 6 ایپلیکیشنs: LED Lighting Drivers, Stepper Motor Control, Switch-Mode Power Supply (SMPS) Digital Control, Battery Chargers and Power Banks, Sensor Interface and IoT Edge Nodes, Brushed DC Motor and Fan Control.
LED Lighting Drivers
The PIC16F1575-I/SL is purpose-built for LED lighting. Its four independent 16-bit PWMs each drive a channel with up to 16-bit duty cycle resolution (>65 000 steps), eliminating flicker and supporting smooth color mixing on RGBW strips. The internal 32 MHz clock and 10-bit ADC allow closed-loop current regulation through a sense resistor and op-amp front end, while the XLP sleep mode draws sub-microamp standby current for Always-on smart-bulb designs.
تجویز کردہ
Stepper Motor Control
Stepper drives need precise, high-resolution PWM phase generation. The PIC16F1575-I/SL delivers four 16-bit PWMs that can be software-interleaved to generate microstepping waveforms at 1/256 step resolution. Its 32 MHz CPU provides ample headroom for acceleration/deceleration ramps, while the 10-bit ADC monitors back-EMF for stall detection. The Complementary Waveform Generator (CWG) hardware IP supports dead-band insertion for half-bridge drivers.
تجویز کردہ
Switch-Mode Power Supply (SMPS) Digital Control
Digital SMPS control loops benefit from the PIC16F1575-I/SL's 4 x 16-bit PWMs (each independently triggerable), 10-bit ADC with dedicated acquisition timer, and on-chip op-amp peripheral. The MCU can implement peak-current-mode control of a buck/boost/SEPIC topology at switching frequencies up to 1 MHz when each PWM is paired with the high-speed ADC. The 32 MHz CPU executes the PID compensator in well under 1 us, keeping control-loop latency well within typical 10 us target.
تجویز کردہ
Battery Chargers and Power Banks
For single-cell Li-ion/LiFePO4 chargers, the PIC16F1575-I/SL runs the CC/CV algorithm, samples charge current with its 10-bit ADC, and modulates a synchronous buck through a 16-bit PWM. Its wide 2.3-5.5 V operating range allows direct connection to the USB input rail without a separate LDO. The XLP sleep mode drops quiescent current below 1 uA, preserving battery shelf life when the host is unplugged.
تجویز کردہ
Sensor Interface and IoT Edge Nodes
IoT edge nodes benefit from the PIC16F1575-I/SL's low-power sleep, 10-bit ADC for analog sensors, MSSP for SPI/I2C sensor buses, and EUSART for UART-linked radios. The Core Independent Peripherals (CIPs) allow sensor polling and threshold-triggered wake-up without CPU involvement, holding average current in the single-digit microamp range. The 14 KB Flash accommodates small TLS or LoRaWAN-style protocol stacks.
تجویز کردہ
Brushed DC Motor and Fan Control
The PIC16F1575-I/SL drives brushed DC motors and fans with closed-loop speed regulation. A 16-bit PWM sets the power-stage duty, the 10-bit ADC reads tachometer or back-EMF, and the 32 MHz core executes the PID loop in microseconds. The hardware CWG block generates complementary drive signals with programmable dead-time, reducing switching losses in half-bridge drivers. The 14-SOIC footprint fits inside the motor housing.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F1575-I/SL — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F1575T-I/SL | PIC16F1575-E/SL | PIC16F1574-I/SL | PIC16F1575-E/ST | PIC16F1574-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | TSSOP-14 - different footprint | PDIP-14 - through-hole, different footprint |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB (-50 %) | 14 KB | 7 KB (-50 %) |
| RAM | 1024 B | 1024 B | 1024 B | 512 B (-50 %) | 1024 B | 512 B (-50 %) |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 16-bit PWM Channels | 4 | 4 | 4 | 4 | 4 | 4 |
| Operating Temperature | -40 to +85 C | -40 to +85 C | -40 to +125 C (Extended) | -40 to +85 C | -40 to +125 C (Extended) | -40 to +85 C |
| ADC | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch |
اہم امتیازی خصوصیات
- Four independent 16-bit PWMs in a 14-pin package (بمقابلہPIC16F1455-I/SL)
- Same-package Flash density upgrade path (بمقابلہPIC16F1574-I/SL)
- Industrial vs Extended temperature variants available (بمقابلہPIC16F1575-I/SL vs PIC16F1575-E/SL)
ڈیزائن نوٹس
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 1) with a short trace to the VSS ground pour. Add a bulk 10 uF tantalum or ceramic near the MCU for switching transient support. The PIC16F1575's internal voltage regulator requires both capacitors within 5 mm of the package to keep VDD core ripple below 50 mVpp during PWM transitions.
The 14-SOIC package has a thermal pad requirement of roughly 1 square inch of copper pour on VDD/VSS layers to dissipate ~0.5 W under worst-case CPU+ADC+all-PWM operation. Route all PWM outputs away from analog ADC inputs to minimize digital crosstalk, and place a ground guard ring around the MCLR pin to suppress ESD coupling into the reset line. Keep traces under the package short - the SOIC lead inductance affects signal integrity above 50 MHz.
Do not leave the MCLR/RA3 pin floating. A 10 kohm pull-up to VDD is required for normal operation; without it, the part will randomly enter reset under noisy conditions. When using the internal oscillator, set the OSCCON and PLL configuration bits correctly - failing to enable the 4x PLL results in 8 MHz operation, halving PWM frequency and ADC throughput. Finally, never write to Flash while the ADC is sampling on the same bank; this can inject noise into the conversion.
تعمیل کی معلومات
RoHS compliant and lead-free per Microchip product page; the SL package is MSL-1 rated. Not AEC-Q100 qualified - automotive customers should validate against the PIC16F1xxx automotive-grade roadmap.
