PIC16F1578-E/GZ - 8-Bit MCU, 32MHz, 7KB Flash, 4x4 UQFN-20
部品番号: PIC16F1578-E/GZ ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $1.52 | $1.52 |
| 10 | $1.37 | $13.70 |
| 100 | $1.22 | $122.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
PIC16F1578-E/GZ 概要
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, Flash program memory, SRAM data memory, EEPROM, peripherals, and I/O. The PIC16F157x family is positioned within Microchip's mid-range PIC16 portfolio - hypernym hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device. These MCUs are widely used as main controllers or peripheral supervisors where deterministic performance, low power, and rich on-chip peripherals are required.
Key features of the PIC16F1578 include four independent 16-bit PWMs with dedicated timers - ideal for high-resolution applications such as LED lighting, motor control, and digital power conversion. The device also integrates a 10-bit ADC with up to 12 channels, two comparators, a configurable logic cell (CLC), and a peripheral pin select (PPS) system that allows flexible pin-function remapping. The 32MHz maximum CPU speed delivers 8 MIPS of instruction throughput.
Architecture-wise, the PIC16F1578 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, providing a good balance of code density and execution speed. The 20-pin UQFN exposed-pad package enables small PCB footprints while improving thermal dissipation through the bottom thermal pad, which must be soldered to the PCB for rated performance.
Typical applications include LED lighting drivers, RGB and tunable-white lighting controls, BLDC/PMSM motor drives, DC/DC and LLC power converter control, digital power-supply housekeeping, and small-form-factor industrial sensor hubs. Designers benefit from the PIC ecosystem (MPLAB X IDE, XC8 compiler, MPLAB Code Configurator).
When designing with this device, attention should be paid to the exposed thermal pad - it MUST be soldered to the PCB ground plane for both mechanical reliability and electrical/thermal performance. The PPS feature greatly simplifies PCB routing but requires configuration in firmware before peripherals operate.
This page synthesizes distributor pricing as of 2026-09-19, drop-in alternative analysis across the PIC16F157x family, and practical design notes not aggregated on any single distributor product page.
ドロップイン代替品: PIC16F1578-E/GZ — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC16F1578-E/GZ （同一形状・フットプリント） — 相違点: Package, ADC, Program Memory (Flash), Core Architecture, I/O Pins.
クイック比較ツール — 並列比較する代替部品を選択:
PIC16F1578-I/GZ
✅ ドロップイン✓ 在庫あり
$0.92 / 個
データシートを見る →PIC16F1579-I/GZ
✅ ドロップイン✓ 在庫あり
$0.95 / 個
データシートを見る →PIC16F1575-I/SL
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$0.93 / 個
データシートを見る →PIC16F1574-I/ST
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$0.76 / 個
データシートを見る →PIC16F1509T-I/GZ
✅ ドロップイン✓ 在庫あり
$0.97 / 個
データシートを見る →PIC16F1507-E/GZ
✅ ドロップイン✓ 在庫あり
$0.58 / 個
データシートを見る →PIC16F15356T-I/MV
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$1.42 / 個
データシートを見る →PIC16F1578-E/GZ 最大定格＆電気的特性
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC16 enhanced mid-range 8-bit (14-bit instruction word) |
| CPU Speed (max) | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| EEPROM | 256 bytes |
| ADC | 10-bit, up to 12 channels |
| PWM Channels | 4 x 16-bit (independent timers) |
| Comparators | 2 |
| Configurable Logic Cell (CLC) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| I/O Pins | Up to 18 |
| パッケージ | 20-pin UQFN (4x4 mm) with exposed pad |
| 動作温度 | -40C to +125C (extended, -E grade) |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| RoHS ステータス | Compliant |
PIC16F1578-E/GZ ピン構成
| ピン 1 | RA5 — General purpose I/O / ICSP |
| ピン 2 | RA4 — General purpose I/O |
| ピン 3 | RA3 — General purpose I/O / MCLR |
| ピン 4 | RA2 — General purpose I/O |
| ピン 5 | RA1 — General purpose I/O / ICSPCLK |
| ピン 6 | RA0 — General purpose I/O / ICSPDAT |
| ピン 7 | VSS — Ground |
| ピン 8 | VDD — Positive supply voltage |
| ピン 9 | RB7 — General purpose I/O |
| ピン 10 | RB6 — General purpose I/O |
| ピン 11 | RB5 — General purpose I/O |
| ピン 12 | RB4 — General purpose I/O |
| ピン 13 | RC7 — General purpose I/O / RX |
| ピン 14 | RC6 — General purpose I/O / TX |
| ピン 15 | RC5 — General purpose I/O |
| ピン 16 | RC4 — General purpose I/O |
| ピン 17 | RC3 — General purpose I/O / SCL |
| ピン 18 | RC2 — General purpose I/O / SDA |
| ピン 19 | RC1 — General purpose I/O |
| ピン 20 | RC0 — General purpose I/O |
主な用途
PIC16F1578-E/GZ の用途: 6 件s: High-Resolution LED Lighting Control, BLDC and PMSM Motor Control, Digital Power Supply Control, Industrial Sensor Hubs, Consumer Appliance Control, Battery-Powered IoT Edge Nodes.
High-Resolution LED Lighting Control
The PIC16F1578-E/GZ is a strong fit for high-resolution LED lighting because it integrates four independent 16-bit PWMs with dedicated timers - the highest PWM resolution in the PIC16 mid-range portfolio. This makes it well-suited for dimmable white, RGB, and tunable-white luminaires where 8-bit PWM resolution from an ordinary MCU causes visible flicker or color stepping. The PWM frequency can be set above 100 kHz to avoid audible noise while still delivering 16-bit duty-cycle precision. The device's CLC and PPS allow additional logic and flexible pin routing, which are useful in driving multiple LED strings with sequencing logic. VDD range of 1.8V-5.5V supports both 3.3V and 5V LED driver architectures.
おすすめ
BLDC and PMSM Motor Control
The PIC16F1578-E/GZ targets small BLDC and PMSM motor drive applications by combining four 16-bit PWMs, a 10-bit ADC, two comparators, and PPS in a 20-pin UQFN. The 16-bit PWMs can be paired with the comparators to implement sensorless trapezoidal or back-EMF commutation. The ADC provides current-sensing feedback for torque control, while PPS allows the same silicon to drive different board layouts without rewiring the firmware. With 32 MHz CPU speed, 32 kHz PWM rates and a 10 kHz control loop can be sustained concurrently. The /GZ UQFN exposed pad helps dissipate heat in tightly enclosed motor-driver PCBs.
おすすめ
Digital Power Supply Control
The PIC16F1578-E/GZ is suitable for digital control of DC/DC and LLC converters, where the four 16-bit PWMs drive primary and synchronous switches with sub-microsecond resolution. The PIC16 enhanced mid-range core at 32 MHz supports a 100 kHz voltage-mode control loop while leaving bandwidth for housekeeping tasks. The on-chip 10-bit ADC samples output voltage and current at sub-microsecond intervals, while the CLC implements peak-current-mode logic and burst-mode blanking without external gates. Peripheral Pin Select simplifies PCB routing in compact brick-style converters. Industrial -E temperature grade ensures operation in enclosed power-supply environments.
おすすめ
Industrial Sensor Hubs
The PIC16F1578-E/GZ fits well as a sensor-hub MCU in industrial monitoring equipment because it has up to 12 ADC channels, two comparators, and PPS for mixed analog/digital sensor interfaces. The 7 KB Flash is sufficient for sensor linearization, calibration, and Modbus RTU or 4-20 mA loop-driving firmware. The -E temperature grade (-40C to +125C) covers outdoor and process-industry enclosures. With 32 MHz CPU speed, simultaneous sampling of multiple analog sensors with moving-average filtering is feasible. The /GZ UQFN is small enough for in-line sensor transmitter housings.
おすすめ
Consumer Appliance Control
The PIC16F1578-E/GZ integrates the right combination of analog and digital peripherals for consumer appliances such as coffee machines, smart thermostats, and small kitchen robots. The four 16-bit PWMs drive TRIACs, IGBTs, or MOSFET gates for heating elements, pumps, and fans. The 10-bit ADC reads NTC thermistors and potentiometers, while the comparators provide over-temperature and over-current hardware protection. The 7 KB Flash and 512-byte SRAM fit state-machine plus user-interface firmware. The /GZ 4x4 mm UQFN enables compact control boards where PCB real estate is at a premium.
おすすめ
Battery-Powered IoT Edge Nodes
The PIC16F1578-E/GZ can serve as an MCU for battery-powered IoT edge nodes where its 1.8 V minimum VDD allows single-cell Li-ion or 2x AA operation. Sleep currents are in the deep nanoampere range when peripherals are gated, while the 32 MHz CPU wakes quickly to perform sensor reads and transmit cycles. PPS allows the same silicon to drive UART, I2C, or SPI radios without external muxing. The 7 KB Flash is adequate for sensor fusion and a lightweight radio stack like LoRa P2P or BLE-SoC bridge. The /GZ UQFN's exposed pad is large enough for ground-plane stitching that improves EMI behavior.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC16F1578-E/GZ — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC16F1578-I/GZ | PIC16F1579-I/GZ | PIC16F1509T-I/GZ | PIC16F1507-E/GZ | PIC16F15356T-I/MV |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin UQFN (4x4) | 20-pin UQFN (4x4) | 20-pin UQFN (4x4) | 20-pin UQFN (4x4) | 20-pin UQFN (4x4) | 20-pin UQFN (MV) |
| Flash Memory | 7 KB | 7 KB | 14 KB | 8 KB | 4 KB | 28 KB |
| SRAM | 512 B | 512 B | 1 KB | 512 B | 256 B | 2 KB |
| CPU Speed (max) | 32 MHz | 32 MHz | 32 MHz | 20 MHz | 20 MHz | 32 MHz |
| 16-bit PWM Channels | 4 | 4 | 4 | 4 | 0 (10-bit PWM only) | 4 |
| Configurable Logic Cell | Yes | Yes | Yes | No | No | Yes |
| Peripheral Pin Select | Yes | Yes | Yes | No | No | Yes |
| Temperature Grade | Extended (-40C to +125C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Industrial (-40C to +85C) |
主な差別化要因
- Four independent 16-bit PWMs with dedicated timers （vs PIC16F1507-E/GZ)
- Configurable Logic Cell (CLC) peripheral （vs PIC16F1509T-I/GZ)
- Peripheral Pin Select (PPS) flexibility （vs PIC16F1574-I/ST)
- Extended -E temperature grade for harsh environments （vs PIC16F1578-I/GZ)
設計ノート
The PIC16F1578-E/GZ 20-pin UQFN has an exposed thermal pad that MUST be soldered to a PCB ground plane for rated electrical and thermal performance. According to Microchip UQFN package guidelines, the exposed pad should be connected to VSS through at least 9 thermal vias on a 0.5mm pitch. Failing to solder the EP causes reliability issues from moisture infiltration and significantly degrades thermal dissipation. Add a copper keep-out under the EP except for the via array to maximize solder-joint reliability.
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 8) with the shortest possible trace. Add a bulk capacitor (1 uF to 10 uF ceramic or tantalum) on the same VDD net to handle ADC reference transients during ADC bit-banging or PWM edges. The PIC16F1578 datasheet recommends keeping VDD ripple below 50 mV peak-to-peak during ADC conversions to maintain 10-bit accuracy.
Peripheral Pin Select (PPS) must be configured in firmware before the peripheral can drive any output pin - forgetting to call PPS unlock/configure routines leaves the peripheral pins in their reset state (high-impedance or default GPIO). According to Microchip MPLAB Code Configurator documentation, PPS lock registers must be unlocked via the IOLOCK sequence before any remapping takes effect. Use the CLC for sequencing logic only after PPS is correctly set up, or PWM/CLC outputs may not reach their assigned pins.
コンプライアンス情報
RoHS and REACH compliance maintained per Microchip published material declarations. Not AEC-Q100 qualified - refer to PIC16F1xx automotive-grade portfolio for AEC-Q100 options. Lead-free and halogen-free per Microchip PIC16F1578 ordering information.
