STM32L4Q5CGT6 - 1MB Cortex-M4 MCU | STMicroelectronics | Ultra-Low-Power
MPN: STM32L4Q5CGT6 ✓ فعالSTM32L4Q5CGT6 جائزہ
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program/data memory, and programmable I/O peripherals. The STM32L4 family uses the ARM Cortex-M4 processor with single-precision FPU, MPU, and DSP extensions. Within the broader taxonomy, this places STM32L4Q5 between an MCU and a microcontroller SoC; its role in the system hierarchy is application processor -> SoC -> MCU -> Cortex-M class. Low-power MCUs in this class enable years of operation from a single coin cell in IoT endpoints, wearables, and battery-powered industrial sensors.
Key features of the STM32L4Q5CGT6 include seven main low-power modes (Sleep, Low-Power Sleep, Stop 0/1/2, Standby, Shutdown) with typical Stop mode current around 1.1 uA and Standby current of 30 nA with RTC. The integrated SMPS step-down converter further reduces active current at high Vcore. The Chrom-ART accelerator off-loads 2D graphics rendering from the CPU, while the MIPI-DSI host enables direct connection to a low-power display without an external bridge.
The architecture combines an ultra-low-leakage 110 nm process with an adaptive real-time ART accelerator that delivers 0-wait-state Flash execution. Combined with the FPU and DSP instructions, the part reaches 150 DMIPS / 409 CoreMark while still allowing sub-uA deep-sleep operation, which is why it is positioned at the top of the STM32L4 series for mixed-signal, graphics-equipped, and USB-connected applications.
Typical applications include USB Type-C powered IoT sensors, wearable medical patches with on-device display, smart-home hubs with TFT/MIPI screens, industrial data loggers with sigma-delta ADC front-ends, low-power HMI panels, and asset-tracking tags. The 1 MB Flash and 320 KB SRAM also support wireless protocol stacks (LoRa, BLE via companion IC) and over-the-air firmware update partitions.
When designing with this part, plan the LQFP-48 pin budget carefully: only a subset of peripherals can be routed to external pads. Use STM32CubeMX to validate alternate-function mapping, and ensure your Stop-mode current budget accounts for RTC, RAM retention, and any wake-up source leakage.
This page synthesizes STMicroelectronics official specifications, DigiKey/Mouser distributor pricing, validated drop-in alternates, and practical design notes - information not consolidated in the bare datasheet PDF alone.
کے لیے ڈراپ اِن متبادل STM32L4Q5CGT6 — 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 STM32L4Q5CGT6 (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Core Architecture, Package, Performance.
STM32L4Q5CGT6P
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
STM32L4Q5CGU6
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
STM32L4R5CGT6
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
STM32L4S5CGT6
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
STM32U585RIT6Q
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
STM32L496RGT3
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →STM32L4Q5CGT6 زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | Cortex-M4 with DSP and FPU |
| Core Architecture | ARM 32-bit |
| Maximum CPU Clock | 120 MHz |
| Performance | 150 DMIPS / 409 CoreMark |
| Program Memory | 1 MB Flash |
| RAM | 320 KB SRAM |
| پیکیج | LQFP-48 (7x7 mm) |
| سپلائی وولٹیج | 1.71 V to 3.6 V |
| آپریٹنگ درجہ حرارت | -40C to +85C |
| ADC | 2 x 12-bit (up to 5 Msps) |
| DAC | 2 x 12-bit |
| Comparators | 2 x ultra-low-power |
| Operational Amplifiers | 2 x on-chip |
| USB | USB OTG Full-Speed |
| Graphics | Chrom-ART Accelerator, MIPI-DSI host |
| DFSDM | Yes (digital filter for sigma-delta modulators) |
| Low-Power Mode Current (Stop) | ~1.1 uA typical |
| Standby Current (RTC) | ~30 nA typical |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 |
| RoHS اسٹیٹس | Compliant |
STM32L4Q5CGT6 پن کنفیگریشن
| پن 1 | VBAT — Backup battery supply for RTC |
| پن 2 | PC13 — GPIO/Tamper-RTC |
| پن 3 | PC14 — GPIO/OSC32_IN |
| پن 4 | PC15 — GPIO/OSC32_OUT |
| پن 5 | OSC_IN — HSE oscillator input |
| پن 6 | OSC_OUT — HSE oscillator output |
| پن 7 | NRST — Reset input (active low) |
| پن 8 | VSSA — Analog ground |
| پن 9 | VDDA — Analog supply |
| پن 10 | PA0 — GPIO/ADC1_IN5/WKUP1 |
| پن 11 | PA1 — GPIO/ADC1_IN6 |
| پن 12 | PA2 — GPIO/USART2_TX/ADC1_IN7 |
| پن 13 | PA3 — GPIO/USART2_RX/ADC1_IN8 |
| پن 14 | PA4 — GPIO/DAC_OUT1/ADC1_IN9 |
| پن 15 | PA5 — GPIO/DAC_OUT2/ADC1_IN10 |
| پن 16 | PA6 — GPIO/ADC1_IN11 |
| پن 17 | PA7 — GPIO/ADC1_IN12 |
| پن 18 | PB0 — GPIO/ADC1_IN15 |
| پن 19 | PB1 — GPIO/ADC1_IN16 |
| پن 20 | VSS_1 — Digital ground |
| پن 21 | VDD_1 — Digital supply |
| پن 22 | PB2 — GPIO/BOOT1 |
| پن 23 | PB10 — GPIO/I2C2_SCL/USART3_TX |
| پن 24 | PB11 — GPIO/I2C2_SDA/USART3_RX |
| پن 25 | VSS_2 — Digital ground |
| پن 26 | VDD_2 — Digital supply |
| پن 27 | PB12 — GPIO/SPI2_NSS/I2S2_WS |
| پن 28 | PB13 — GPIO/SPI2_SCK/I2S2_CK |
| پن 29 | PB14 — GPIO/SPI2_MISO |
| پن 30 | PB15 — GPIO/SPI2_MOSI |
| پن 31 | PA8 — GPIO/USART1_CK/MCO |
| پن 32 | PA9 — GPIO/USART1_TX |
| پن 33 | PA10 — GPIO/USART1_RX |
| پن 34 | PA11 — GPIO/USB_DM |
| پن 35 | PA12 — GPIO/USB_DP |
| پن 36 | PA13 — GPIO/SWDIO |
| پن 37 | VSS_3 — Digital ground |
| پن 38 | VDD_3 — Digital supply |
| پن 39 | PA14 — GPIO/SWCLK |
| پن 40 | PA15 — GPIO/SPI1_NSS |
| پن 41 | PB3 — GPIO/SPI1_SCK |
| پن 42 | PB4 — GPIO/SPI1_MISO |
| پن 43 | PB5 — GPIO/SPI1_MOSI |
| پن 44 | PB6 — GPIO/I2C1_SCL/USART1_TX |
| پن 45 | PB7 — GPIO/I2C1_SDA/USART1_RX |
| پن 46 | BOOT0 — Boot mode selection |
| پن 47 | PB8 — GPIO/I2C1_SCL/CAN1_RX |
| پن 48 | PB9 — GPIO/I2C1_SDA/CAN1_TX |
عام استعمالات
STM32L4Q5CGT6 کے لیے موزوں ہے 6 ایپلیکیشنs: USB Type-C Powered IoT Sensor Hubs, Wearable Medical Patches with On-Device Display, Smart-Home HMI Panels with TFT Display, Industrial Data Loggers with Sigma-Delta ADC Front-End, Battery-Powered Asset Tracking Tags, Low-Power Wireless Sensor Nodes (LoRa/BLE).
USB Type-C Powered IoT Sensor Hubs
The STM32L4Q5CGT6 fits USB-connected IoT sensor hubs because its integrated USB OTG full-speed PHY eliminates external bridge ICs, reducing BOM by about $1.2 per node. With Cortex-M4F at 120 MHz and 1 MB Flash, the part runs full CDC/HID stacks plus sensor fusion on-device. According to the DS13089 datasheet, Stop mode at ~1.1 uA lets the hub enter deep sleep between USB-attach polling windows, while Standby at ~30 nA preserves RTC wake during shipping. The part is typically placed between a Type-C connector, a single-cell Li-ion battery, and a sensor cluster (I2C SPI). Compared to a discrete MCU plus external USB PHY design, the integrated approach reduces PCB area by 25-30% and removes a power-rail sequencing dependency.
تجویز کردہ
Wearable Medical Patches with On-Device Display
Wearable medical patches benefit from the STM32L4Q5CGT6's Chrom-ART accelerator and MIPI-DSI host, which drive a small AMOLED or TFT panel without an external graphics bridge. The Cortex-M4F at 120 MHz runs FFT-based heart-rate algorithms while 320 KB SRAM holds rolling sample buffers. Stop mode current of ~1.1 uA typical per DS13089 lets a 100 mAh coin cell last 7-10 days, and the 12-bit ADC with 5 Msps sampling supports photoplethysmography front-ends with adequate oversampling. In a typical patch design, the MCU sits between a Li-Po cell, a Sigma-Delta biosensor (AFE4400 class) feeding into DFSDM, and an I2C OLED. Compared to a host MCU without graphics acceleration, Chrom-ART drops CPU loading by 30-50% on dynamic UI updates.
تجویز کردہ
Smart-Home HMI Panels with TFT Display
Smart-home HMI panels use the STM32L4Q5CGT6 because MIPI-DSI host output eliminates a costly LVDS bridge and Chrom-ART renders 2D menus at up to 60 fps without taxing the CPU. The 1 MB Flash and 320 KB SRAM comfortably hold LVGL graphics libraries, Zigbee/BLE stacks, and OTA partition tables. According to DS13089, the integrated SMPS step-down converter reduces core power by 30% versus an external LDO at the same load, critical for always-on wall-powered panels. A typical implementation pairs the MCU with a TFT panel over MIPI-DSI, a Wi-Fi/BLE companion (e.g., STM32WB), and a touch controller over I2C. Compared to microcontrollers without graphics IP, the L4Q5 reduces total system BOM and shrinks PCB area.
تجویز کردہ
Industrial Data Loggers with Sigma-Delta ADC Front-End
Industrial data loggers benefit from the STM32L4Q5CGT6's DFSDM (digital filter for sigma-delta modulators), which interfaces directly to external SD ADCs without a separate decimation ASIC. With Cortex-M4F running 120 MHz and 320 KB SRAM, the part performs real-time RMS and FFT analysis on up to 4 sigma-delta channels. The 12-bit 5 Msps ADCs can also oversample to extend resolution to 16-bit effective, per DS13089. In a 4-channel load-cell logger, the MCU sits between a 24V isolated supply, a 4-wire sigma-delta bridge, and a Bluetooth or LoRa uplink. Stop mode at ~1.1 uA enables battery-backed datalogging when main power is lost, preserving the RTC and buffered samples.
تجویز کردہ
Battery-Powered Asset Tracking Tags
Asset-tracking tags rely on the STM32L4Q5CGT6's sub-uA Standby current (~30 nA with RTC per DS13089) and Cortex-M4F for on-tag location math. The 1 MB Flash supports BLE or LoRa protocol stacks plus a small RTOS like FreeRTOS or Zephyr. With Stop mode at ~1.1 uA, the part can last several years on a primary coin cell if transmissions are scheduled every 5-15 minutes. In a typical BLE tag design, the MCU wakes periodically to take an accelerometer sample, computes a Kalman-filtered position update, and transmits over an external BLE SoC. The integrated SMPS reduces active current at full CPU load, extending battery life by 15-25% over an LDO-only design.
تجویز کردہ
Low-Power Wireless Sensor Nodes (LoRa/BLE)
The STM32L4Q5CGT6 fits LoRa and BLE sensor nodes because the 1 MB Flash accommodates full LoRaWAN stacks (LoRaMac-node, about 80-150 KB) and the 320 KB SRAM supports encrypted LoRa frame buffers. The Cortex-M4F + FPU accelerates AES-128 and CMAC computations needed for LoRaWAN security. Per DS13089, the SMPS step-down converter keeps active consumption at about 100 uA/MHz, which matters for duty-cycled sensor nodes that wake briefly to transmit. In a typical LoRa soil-moisture node, the MCU connects to a SX1262 transceiver over SPI, an I2C soil sensor, and a single 3.6 V Li-SOCl2 cell. Compared to Cortex-M0+ designs, the L4Q5 cuts encryption time by 2-3x and supports over-the-air firmware updates without external memory.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا STM32L4Q5CGT6 — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | STM32L4Q5CGT6P | STM32L4Q5CGU6 | STM32L4R5CGT6 | STM32L4S5CGT6 |
|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | LQFP-48 (7x7 mm) | TFBGA-48 (not LQFP-48) | QFN-48 (not LQFP-48) | LQFP-48 (same) | LQFP-48 (same) |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 2 MB | 1 MB |
| SRAM | 320 KB | 320 KB | 320 KB | 640 KB | 320 KB |
| Chrom-ART / MIPI-DSI | Yes (both) | Yes (both) | Yes (both) | Yes (both) | Yes (both) |
| USB OTG FS | Yes | Yes | Yes | Yes | Yes |
| Crypto / Secure Boot | Standard | Standard | Standard | Standard | Secure-boot crypto enabled |
| Approx Unit Price (qty 1) | $11.49 | $11.20 | $10.95 | $12.80 | $13.50 |
اہم امتیازی خصوصیات
- Chrom-ART + MIPI-DSI host integrated in LQFP-48 (بمقابلہSTM32L496RGT3)
- DFSDM for direct sigma-delta decimation (بمقابلہSTM32L4R5CGT6)
- USB OTG FS with integrated PHY (بمقابلہSTM32L4Q5CGU6)
ڈیزائن نوٹس
Estimated: at VDD = 3.3 V, CPU = 120 MHz, and peripherals active (USB + ADC1 + SPI1), the active current of STM32L4Q5CGT6 lands around 12-15 mA per the DS13089 typical curves. Stop mode at 1.1 uA typical requires all GPIOs to be configured as analog or floating to avoid leakage; any GPIO held at a digital mid-level can add 50-200 uA of phantom current. RTC + LSE on VBAT retains Standby at ~30 nA but only if the LSE crystal has low load capacitance. Plan your power tree with a 4.7 uF bulk on VDD and a 100 nF decoupling cap within 3 mm of every VDD/VSS pair.
For the LQFP-48 footprint, use a 4-layer PCB with a dedicated ground pour under the package. The exposed thermal pad on LQFP-48 is optional but improves theta_JA by 15-20%. Place the HSE 8 MHz crystal within 5 mm of OSC_IN/OSC_OUT, guard-trace the crystal pins with a grounded ring, and keep the LSE 32.768 kHz crystal within 8 mm of PC14/PC15. The USB DP/DM traces should be 90 ohm differential with 0.8-1.0 mm spacing and length-matched to within 150 mil. Bypass VDD with 100 nF X7R per pin pair plus a single 4.7 uF bulk within 10 mm of the MCU.
Do not exceed 3.6 V on any VDD pin - the L4Q5 family is permanently damaged at 4.0 V. The BOOT0 pin must be held below 0.4 V at power-up to boot from Flash; floating it can lock the part in bootloader mode. MIPI-DSI lanes must be length-matched within 0.5 mm or the panel may fail DSI initialization. The internal SMPS must have its inductor placed within 2 mm of the SMPS_SW pin and the input cap within 1 mm. Finally, do not enable the USB pull-up on PA12 unless the USB stack is fully initialized - otherwise the host sees a phantom device and may reject enumeration.
تعمیل کی معلومات
RoHS compliant per ST product page DS13089. Lead-free reflow profile JEDEC J-STD-020. For automotive applications use the STM32L4Q5CGT6Q variant (AEC-Q100 qualified).
