PIC16LF1575T-I/JQ - 14KB Flash 32MHz 8-bit MCU | Microchip
MPN： PIC16LF1575T-I/JQ ✓ 啟用中PIC16LF1575T-I/JQ 概覽
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a set of on-chip peripherals (ADC, timers, communication) on one die. MCUs sit at the lowest tier of the embedded-computing hierarchy: microcontroller -> embedded controller -> semiconductor device. They are designed for deterministic, low-power control tasks in cost-sensitive and space-constrained products, where a full application processor would be wasteful.
Key features include four 16-bit Pulse-Width Modulation (PWM) channels with independent timers, a 10-bit Analog-to-Digital Converter (ADC), a 5-bit Digital-to-Analog Converter (DAC), a Complementary Waveform Generator (CWG), comparators, Peripheral Pin Select (PPS) for flexible signal routing, and an Enhanced Universal Synchronous/Asynchronous Receiver-Transmitter (EUSART) for serial communication. The /JQ suffix designates the 16-pin UQFN package with exposed thermal pad (HVQCCN, 0.65 mm pitch).
The PIC16LF1575 architecture uses a 14-bit instruction word, modified Harvard memory organization with separate program and data buses, and on-chip oscillator calibration. Wide operating voltage (1.8 V to 3.6 V) and nanoWatt XLP deep-sleep modes make the part well-suited to battery-powered designs where quiescent current is critical.
Typical applications include LED lighting, stepper motor control, switched-mode power supplies, battery chargers, and consumer / IoT edge-node designs. The 16-pin footprint suits compact PCB modules where every pin must justify its assignment.
When laying out this device, keep analog and digital ground returns separate and stitch them together at one point under the exposed pad. Decouple VDD with 100 nF and 1 µF ceramic capacitors placed within 2 mm of the supply pins to keep ADC noise low.
This page distills manufacturer datasheet specifications, distributor pricing and stock data, drop-in alternative MPNs, and pragmatic design notes that the raw datasheet alone does not surface.
直接替換替代品，適用於 PIC16LF1575T-I/JQ — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16LF1575T-I/JQ （相同外形與佔位） — 差異在於 Package, Core Architecture, PWM Channels, ADC, Operating Temperature.
PIC16LF1575-I/JQ
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF1574-I/JQ
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF1574T-I/SL
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC16LF1575T-I/SL
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC16LF15325-I/JQ
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF15324-I/JQ
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF1575T-I/JQ 最大額定值與電氣特性
| Architecture | PIC16 enhanced mid-range 8-bit core (14-bit instruction word) |
| CPU Family | PIC® 16F |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| SRAM | 1 KB |
| 封裝 | 16-UQFN (4 mm x 4 mm) with exposed pad |
| Package Code (per data) | HVQCCN, 0.65 mm pitch, 16 terminals |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 10-bit |
| DAC | 5-bit |
| PWM Channels | 4 x 16-bit with independent timers |
| Comparator | Yes (on-chip) |
| Complementary Waveform Generator (CWG) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Communication | EUSART (Enhanced USART) |
| RoHS 狀態 | Compliant (per Verified Electronics listing) |
| Shipping Form (suffix T) | Tape & Reel |
PIC16LF1575T-I/JQ 腳位配置
| 腳位 1 | VDD — Positive supply (1.8 V to 3.6 V) |
| 腳位 2 | RA5 — Bidirectional IO / analog input / PPS-mappable |
| 腳位 3 | RA4 — Bidirectional IO / analog input / PPS-mappable |
| 腳位 4 | RA3 — Bidirectional IO / MCLR input when configured |
| 腳位 5 | RC5 — Bidirectional IO / PWM / comparator input |
| 腳位 6 | RC4 — Bidirectional IO / PWM / EUSART |
| 腳位 7 | RC3 — Bidirectional IO / PWM / EUSART |
| 腳位 8 | RC2 — Bidirectional IO / PWM |
| 腳位 9 | RC1 — Bidirectional IO / PWM / comparator output |
| 腳位 10 | RC0 — Bidirectional IO / ICSP clock |
| 腳位 11 | RA2 — Bidirectional IO / analog / DAC output |
| 腳位 12 | RA1 — Bidirectional IO / ICSPDAT / analog |
| 腳位 13 | RA0 — Bidirectional IO / analog |
| 腳位 14 | VSS — Ground return |
| 腳位 15 | RB7 — Bidirectional IO / analog / PWM |
| 腳位 16 | RB6 — Bidirectional IO / analog / PWM |
| 腳位 17 | EP — Exposed pad - must be soldered to PCB ground for thermal dissipation |
典型應用
PIC16LF1575T-I/JQ 適用於 7 應用s: LED Lighting & RGBW Color Mixing, Stepper Motor Control, Battery Chargers (Li-ion / NiMH), Switched-Mode Power Supplies (SMPS) Digital Control, Consumer / IoT Edge Nodes, Industrial Sensor Conditioning, Hobby / Maker Indicator & Driver Boards.
LED Lighting & RGBW Color Mixing
The PIC16LF1575T-I/JQ drives LED strings with four on-chip 16-bit PWM channels, each with an independent timer. Resolution of 16 bits gives ~0.0015% duty-cycle granularity, which keeps dimming curves smooth down to the lowest visible brightness - critical for theater-grade RGBW color mixing where 8-bit PWM produces visible stair-step flicker. The chip runs at 32 MHz and 1.8-3.6 V, so it can be powered directly from a single Li-ion cell with no level shifting. The on-chip CWG and 5-bit DAC complement the PWMs for warm-white/color-temperature blending. Source: PIC16(L)F1574/1575 datasheet and Microchip LED lighting reference designs.
推薦
Stepper Motor Control
Four 16-bit PWMs with independent timers let the PIC16LF1575T-I/JQ synthesize the two-phase quadrature drive required for bipolar stepper motors without CPU overhead. The 32 MHz core handles trapezoidal acceleration curves and microstepping tables in firmware, while Peripheral Pin Select (PPS) reroutes each PWM to whichever pins the chosen stepper driver accepts. The 5-bit on-chip DAC plus comparator enable closed-loop current sensing on the low-side shunt. Operating from 1.8-3.6 V aligns with battery-driven robotics. Source: PIC16(L)F1575 datasheet PWM/CWG sections.
推薦
Battery Chargers (Li-ion / NiMH)
For low-cost CC/CV (constant-current / constant-voltage) chargers, the PIC16LF1575T-I/JQ samples the battery voltage with its 10-bit ADC and adjusts the charger current with a 16-bit PWM. The 5-bit DAC and comparators provide hardware-controlled charge-termination sensing, removing ADC latency from the safety loop. Wide 1.8-3.6 V operating range covers single-cell Li-ion chemistries directly. nanoWatt XLP sleep modes, typically sub-1 µA, are vital when the charger sits idle on the shelf. Source: Microchip AN2159 and PIC16LF1575 datasheet power-management sections.
推薦
Switched-Mode Power Supplies (SMPS) Digital Control
The PIC16LF1575T-I/JQ is well-suited to small DSP-free digital SMPS control. Its high-resolution PWM, paired with the Complementary Waveform Generator, yields the leading-edge / trailing-edge modulation needed for synchronous buck, boost, and half-bridge topologies. ADC feedback closes the voltage-mode loop, while the on-chip comparators enable cycle-by-cycle current-mode protection. PPS reassigns fault signals across pins to keep the analog/digital ground split intact. Source: Microchip AN1974 and PIC16LF1575 datasheet CWG section.
推薦
Consumer / IoT Edge Nodes
For IoT nodes that wake briefly to sense and transmit, the PIC16LF1575T-I/JQ offers sub-1 µA deep-sleep (nanoWatt XLP), 1.8-3.6 V supply, EUSART for sensor or sub-GHz radio links, and 14 KB Flash for small over-the-air firmware. PPS helps when the radio module dictates pin assignment. The 4x4 UQFN keeps the bill-of-materials small enough for coin-cell-powered devices like door sensors and plant moisture probes. Source: PIC16LF1575 datasheet low-power section and Microchip low-power application notes.
推薦
Industrial Sensor Conditioning
The PIC16LF1575T-I/JQ's 10-bit ADC plus on-chip comparator and 5-bit DAC lets designers implement analog front-end conditioning for low-cost industrial sensors: thermocouple cold-junction compensation, 4-20 mA loop sense scaling, and PWM-set DAC biasing. The EUSART serves RS-232 / RS-485 links through a transceiver; PPS reorders pin assignments without re-spinning the PCB. -40 to +85 °C industrial grade covers most sensor-hub environments. Source: PIC16LF1575 datasheet ADC section and Microchip sensor conditioning notes.
推薦
Hobby / Maker Indicator & Driver Boards
For low-cost, hand-built boards, the PIC16LF1575T-I/JQ's PIC16 core is unusually well-supported in MPLAB X and the free XC8 compiler. The 16-UQFN is small, but the exposed pad allows good thermal dissipation without a heatsink. Hobby uses include WS2812 / NeoPixel driving, servo multiplexing, and small robotics controllers where every pin must do useful work thanks to PPS. Source: Microchip MPLAB-X ecosystem and PIC16LF1575 datasheet family introduction.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16LF1575T-I/JQ — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16LF1575-I/JQ | PIC16LF1574-I/JQ | PIC16LF15325-I/JQ |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-UQFN (4 mm x 4 mm) | 16-UQFN (4 mm x 4 mm) - same | 16-UQFN (4 mm x 4 mm) - same | 16-UQFN (4 mm x 4 mm) - same |
| PWM Channels | 4 x 16-bit | 4 x 16-bit | 2 x 16-bit (-50%) | 4 x 10-bit (lower resolution) |
主要差異化特點
- Highest on-chip PWM resolution in its package class (對比PIC16LF1574-I/JQ)
- Drop-in higher-memory upgrade path exists (對比PIC16LF1574T-I/SL)
- Active lifecycle with multi-channel inventory (對比PIC16LF1575-I/ST)
設計說明
Solder the exposed thermal pad (EP) of the 16-UQFN to a continuous PCB ground copper pour with at least eight thermal-via stitches to the inner ground plane. A missing soldered EP can raise junction-to-ambient thermal resistance by 3-5x and cause unexpected thermal shutdown at modest loads.
Place one 100 nF and one 1 µF X7R ceramic bypass capacitor within 2 mm of the VDD pin. The PIC16LF1575 ADC requires very low supply ripple; routed impedance above ~50 milliohms between the capacitor and the VDD pin couples MCU noise into ADC readings. Keep digital return currents separate from analog return traces.
The PIC16LF1575's EUSART can deliver RS-232 levels directly only at very low data rates; for full-rate operation use an external transceiver like MCP2221 (USB) or a classic MAX232/MAX3232 (RS-232). AC-coupling and proper signal-guard spacing prevent SI issues on the PCB edge.
合規資訊
RoHS confirmed per Verified Electronics listing and DigiKey. Reach, halogen-free, and conflict-minerals status not stated in the Verified Web Data - confirm via Microchip material declaration if required.
