STM32L4Q5CGU6P STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
STMicroelectronics STM32L4Q5CGU6P is an ultra-low-power 32-bit ARM Cortex-M4 microcontroller with FPU, running up to 120MHz with 1MB Flash and 640KB SRAM in a compact QFN package. It features hardware cryptographic acceleration and DSP instructions for secure IoT and industrial embedded applications.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- STM32L4Q5CGU6P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.0914(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ARM Cortex-M4 core with FPU running at up to 120MHz delivers floating-point DSP performance within an ultra-low-power consumption budget
- 1MB Flash and 640KB SRAM provide ample memory for complex firmware stacks including RTOS, communication protocols, and cryptographic libraries
- Integrated hardware AES-256, PKI, and TRNG accelerators enable secure boot and encrypted communications without software overhead penalties
Applications
The STM32L4Q5CGU6P is ideal for secure IoT edge devices, industrial sensor hubs, and wearable medical monitors requiring both ultra-low power and hardware security. Its Cortex-M4 core with FPU at 120MHz supports real-time digital signal processing for audio, vibration analysis, and environmental sensing applications. The rich peripheral set and cryptographic hardware also make it well-suited for smart metering, payment terminals, and industrial automation controllers demanding AES-256 data protection.
Specifications
| Factory Lead Time | 12Weeks |
| YTEOL | 9 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 5A992.C |
| HTS Code | 8542.31.00.30 |
| Country of Origin | Mainland China, Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32L4Q5CGU6P:
suggested
suggested
Frequently Asked Questions
What processing performance does the STM32L4Q5CGU6P deliver for DSP-intensive workloads?
The STM32L4Q5CGU6P runs an ARM Cortex-M4 core with FPU at up to 120MHz, delivering approximately 150 DMIPS and 410 CoreMark scores. The single-cycle multiply-accumulate instruction and hardware floating-point unit enable real-time FFT and filter algorithms for vibration analysis and audio processing applications.
How much on-chip memory does the STM32L4Q5CGU6P provide for firmware and data?
The device integrates 1MB of Flash memory for program storage and 640KB of SRAM for runtime data, supporting complex RTOS-based firmware stacks with multiple communication protocol layers and data buffers. The memory architecture also supports execute-in-place from Flash at full 120MHz speed.
Which hardware security features distinguish STM32L4Q5CGU6P from standard L4 variants?
Unlike standard STM32L4 parts, the STM32L4Q5CGU6P includes hardware-accelerated AES-256 encryption, a public key infrastructure engine, a true random number generator (TRNG), and secure memory regions. These features enable FIPS-compliant cryptographic operations without software library overhead and support secure boot for tamper-resistant IoT endpoints.
For a secure IoT gateway design, why choose STM32L4Q5CGU6P over a standard STM32L4 MCU?
The STM32L4Q5CGU6P adds hardware AES-256, PKI, and TRNG to the baseline STM32L4 feature set, handling TLS 1.3 handshake operations in hardware at speeds roughly 10x faster than software equivalents, all while maintaining the same ultra-low-power profile with sub-100µA/MHz active current and single-digit µA standby modes.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $9.8200 | $9.82 |
| 100+ | $6.5900 | $659.00 |
| 250+ | $6.2900 | $1572.50 |
| 500+ | $6.1300 | $3065.00 |
| 12480+ | $6.1232 | $76417.04 |
| 24960+ | $6.0914 | $152042.09 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”