STM32L4P5VGT6 - Ultra-Low-Power ARM Cortex-M4 MCU | STMicroelectronics
MPN: STM32L4P5VGT6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.44 | $5,440.00 |
Drop-in alternatives for STM32L4P5VGT6 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:
STM32L4R5VGT6
β Drop-Inπ Reference alternative (not in catalog)
STM32L4P5VGT6TR
β Drop-Inπ Reference alternative (not in catalog)
STM32L4P5VGT6Q
β Drop-Inπ Reference alternative (not in catalog)
STM32L4S5VGT6
β Drop-Inπ Reference alternative (not in catalog)
STM32L4P5VGT6P
β Drop-Inπ Reference alternative (not in catalog)
STM32L4P5VGT6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4 with FPU |
| Max Clock Speed | 120 MHz |
| Flash Memory | 1 MB |
| SRAM | 320 KB |
| Package | LQFP-100 (14x14 mm) |
| Operating Voltage | 1.71 V to 3.6 V |
| GPIO Pins | 82 |
| ADC | 3x 12-bit, up to 5 Msps |
| DAC | 2x 12-bit |
| Timers | 2x advanced, 6x general-purpose, 2x basic, 2x low-power |
| Communication Interfaces | 4x I2C, 3x USART, 2x UART, 3x SPI, 2x CAN FD, 1x SDMMC, 1x USB OTG FS/HS |
| Operating Temperature | -40C to +85C |
| Supply Current (Standby) | 100 nA (with backup domain) |
| Supply Current (Run mode) | 112 uA/MHz (typical) |
| RoHS Status | Compliant |
STM32L4P5VGT6 Pin Configuration
| Pin 1 | VBAT β Backup battery supply |
| Pin 2 | PC14 β GPIO / OSC32_IN |
| Pin 3 | PC15 β GPIO / OSC32_OUT |
| Pin 4 | PF0 β GPIO / OSC_IN |
| Pin 5 | PF1 β GPIO / OSC_OUT |
| Pin 6 | NRST β Reset (active low) |
| Pin 7 | PC0 β GPIO / ADC_IN10 |
| Pin 8 | PC1 β GPIO / ADC_IN11 |
| Pin 9 | PC2 β GPIO / ADC_IN12 |
| Pin 10 | PC3 β GPIO / ADC_IN13 |
| Pin 11 | VDD β Digital power supply |
| Pin 12 | VSS β Ground |
| Pin 13 | PC4 β GPIO / ADC_IN14 |
| Pin 14 | PC5 β GPIO / ADC_IN15 |
| Pin 15 | PB0 β GPIO / ADC_IN8 |
| Pin 16 | PB1 β GPIO / ADC_IN9 |
| Pin 17 | PB2 β GPIO / BOOT1 |
| Pin 18 | PB10 β GPIO / I2C2_SCL |
| Pin 19 | PB11 β GPIO / I2C2_SDA |
| Pin 20 | VDD β Digital power supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32L4P5VGT6 is suitable for 6 applications: IoT Edge Devices, Industrial Sensors, Portable Medical Devices, Smart Meters, Wearable Devices, Building Automation.
IoT Edge Devices
The STM32L4P5VGT6 is ideal for IoT edge devices due to its ultra-low-power modes (100 nA standby) and integrated connectivity (USB, CAN FD, SPI, I2C). It can process sensor data locally and communicate wirelessly via external modules. The cryptographic accelerator ensures secure data transmission. In a typical IoT node, the MCU wakes from Stop mode periodically to read sensors, process data, and transmit via LoRa or BLE, achieving years of battery life. The 1 MB flash allows storing firmware updates and data logs. The 12-bit ADC with hardware oversampling provides accurate sensor readings. The device's wide voltage range (1.71V-3.6V) supports direct battery operation. Designers should optimize the duty cycle to minimize average current consumption.
Recommended
Industrial Sensors
The STM32L4P5VGT6 is well-suited for industrial sensors requiring high accuracy and low power. Its 3x 12-bit ADCs with hardware oversampling enable precise measurement of analog signals from pressure, temperature, and flow sensors. The 2x DACs can generate analog output for calibration or control. The CAN FD interface allows robust communication in industrial networks. The device operates over -40Β°C to +85Β°C, suitable for harsh environments. In a typical industrial sensor, the MCU samples multiple channels, performs digital filtering, and transmits data over CAN FD. The low-power modes allow battery-powered wireless sensors. The FMC interface can connect external memory for data logging. Designers should use the internal voltage reference buffer for accurate ADC conversions.
Recommended
Portable Medical Devices
The STM32L4P5VGT6 is ideal for portable medical devices such as glucose meters, pulse oximeters, and wearable health monitors. Its ultra-low-power consumption extends battery life, critical for patient compliance. The integrated op-amps and comparators can condition biosignals without external components. The 12-bit ADC with oversampling provides high-resolution measurements. The device supports secure communication via the crypto accelerator, protecting patient data. In a typical pulse oximeter, the MCU controls an LED driver, reads photodiode signals, and calculates SpO2 and heart rate. The low-power modes allow continuous monitoring for days. The wide voltage range supports coin cell batteries. Designers should ensure proper isolation and EMC compliance for medical applications.
Recommended
Smart Meters
The STM32L4P5VGT6 is well-suited for smart meters (electricity, water, gas) due to its low power and rich peripherals. The 12-bit ADCs can measure voltage and current with high accuracy. The LCD controller (if available) can display usage data. The communication interfaces (UART, SPI, CAN) enable connectivity to home area networks. The crypto accelerator secures data transmission. In a typical smart meter, the MCU samples the power line, calculates energy consumption, and communicates via PLC or RF module. The low-power modes allow battery backup operation. The 1 MB flash stores calibration data and firmware. Designers should use the internal reference for accurate measurements and implement tamper detection.
Recommended
Wearable Devices
The STM32L4P5VGT6 is ideal for wearable devices like smartwatches and fitness trackers. Its ultra-low-power modes (100 nA standby) and small LQFP-100 package enable compact designs. The integrated DACs can drive audio alerts, and the op-amps can condition sensor signals. The device supports multiple sensors via I2C/SPI. In a typical fitness tracker, the MCU reads an accelerometer, heart-rate sensor, and GPS module, processes data, and displays on an OLED. The low-power modes allow days of operation on a small battery. The crypto accelerator secures personal data. Designers should optimize the duty cycle and use the low-power timers to wake periodically.
Recommended
Building Automation
The STM32L4P5VGT6 is suitable for building automation systems such as HVAC controllers, lighting control, and access control. Its multiple communication interfaces (CAN, USB, UART) enable integration with building management systems. The 12-bit ADCs can read temperature sensors and potentiometers. The timers generate PWM for dimming LEDs or controlling motors. The device operates over -40Β°C to +85Β°C, suitable for building environments. In a typical HVAC controller, the MCU reads temperature sensors, controls actuators via PWM, and communicates over Modbus. The low-power modes allow battery backup. Designers should use the FMC to connect external memory for data logging.
Recommended
Recommended Products Summary
Engineering reference data for STM32L4P5VGT6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32L4R5VGT6 | STM32L4P5VGT6TR | STM32L4P5VGT6Q | STM32L4S5VGT6 |
|---|---|---|---|---|---|
| Package | LQFP-100 | LQFP-100 | LQFP-100 | LQFP-100 | LQFP-100 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Max Clock Speed | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 320 KB | 640 KB | 320 KB | 320 KB | 640 KB |
| Crypto Accelerator | Yes (AES, DES, 3DES) | No | Yes (AES, DES, 3DES) | Yes (AES, DES, 3DES) | No |
| Automotive Grade | No | No | No | Yes (AEC-Q100) | No |
Key Differentiators
- Integrated cryptographic accelerator (vs STM32L4R5VGT6)
- Ultra-low-power standby current (vs STM32L4R5VGT6)
- Automotive grade option (vs STM32L4P5VGT6Q)
Design Notes
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin. Additionally, place a 4.7 uF capacitor at the main power input. For low-power operation, use the internal LDO or SMPS step-down converter to optimize efficiency. In Stop mode, ensure all unused GPIOs are set to analog mode to minimize leakage current.
For the LQFP-100 package, ensure proper soldering with a stencil thickness of 0.125 mm. Provide a solid ground plane under the MCU to reduce EMI. Keep high-speed signals (USB, SDMMC) away from analog inputs to avoid noise coupling. Use via stitching around the perimeter for thermal relief.
Do not exceed the absolute maximum ratings: VDD max 3.6V, and any pin voltage must not exceed VDD+0.3V. Ensure the NRST pin is pulled up with a 100 nF capacitor to ground for reliable reset. When using the crypto accelerator, ensure proper key management to avoid security vulnerabilities.
Compliance Information
RoHS compliant per ST product page. Not AEC-Q100 qualified - choose STM32L4P5VGT6Q for automotive.
