STMicroelectronics

SR5E1E7 - High-Performance Microcontroller | STMicroelectronics

Name: SR5E1E7
Brand: STMicroelectronics
Price: 12.50 USD
Availability: InStock

MPN: SR5E1E7 ✓ Active

In Stock (99,999) Ships in 1-3 business days

3.3 V to 5 V Vdss LQFP-176 Package 400 MHz Speed 2 MB Memory

$12.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
1	$12.5	$12.50
10	$11.25	$112.50
100	$10	$1,000.00
500	$9	$4,500.00
1,000	$8.1	$8,100.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for SR5E1E7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

SR5E1E6

✅ Drop-In

📦 LQFP-176

Lower clock speed and reduced memory, pin-compatible

📋 Reference alternative (not in catalog)

SR5E1E8

✅ Drop-In

📦 LQFP-176

Higher memory and additional features, pin-compatible

📋 Reference alternative (not in catalog)

ℹ️ 2 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

SR5E1E7 Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M7
Maximum Clock Frequency	400 MHz
Flash Memory	2 MB
SRAM	1 MB
Supply Voltage Range	3.3 V to 5 V
Package	LQFP-176
Operating Temperature Range	-40C to +125C
Number of CAN-FD Interfaces	6
Number of UART Interfaces	4
Number of SPI Interfaces	4
Number of I2C Interfaces	2
Ethernet MAC	1
ADC Resolution	12-bit
Number of ADC Channels	24
DAC Resolution	12-bit
Functional Safety	ASIL-B
RoHS Status	Compliant

SR5E1E7 Pin Configuration

Pin 1	VDD — Power supply (3.3V-5V)
Pin 2	VSS — Ground
Pin 3	PA0 — GPIO / ADC input
Pin 4	PA1 — GPIO / ADC input
Pin 5	PA2 — GPIO / UART TX
Pin 6	PA3 — GPIO / UART RX
Pin 7	PA4 — GPIO / SPI CS
Pin 8	PA5 — GPIO / SPI SCK
Pin 9	PA6 — GPIO / SPI MISO
Pin 10	PA7 — GPIO / SPI MOSI
Pin 11	PB0 — GPIO / CAN-FD TX
Pin 12	PB1 — GPIO / CAN-FD RX
Pin 13	PB2 — GPIO / I2C SCL
Pin 14	PB3 — GPIO / I2C SDA
Pin 15	PB4 — GPIO / PWM output
Pin 16	PB5 — GPIO / PWM output
Pin 17	VDDA — Analog power supply
Pin 18	VSSA — Analog ground
Pin 19	NRST — Reset (active low)
Pin 20	BOOT0 — Boot mode selection

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

SR5E1E7 is suitable for 6 applications: Automotive Body Control Module, Battery Management System (BMS), Industrial Motor Drive, Smart Grid Infrastructure, Medical Device Control, IoT Gateway.

🚗

Automotive Body Control Module

The SR5E1E7 is ideal for automotive body control modules (BCMs) that manage lighting, windows, door locks, and other body functions. Its 6x CAN-FD interfaces enable seamless communication with the vehicle's network, while the high clock speed and rich peripheral set allow efficient control of multiple actuators and sensors. The device's functional safety features (ASIL-B) ensure reliable operation in safety-critical systems. In a typical BCM, the SR5E1E7 reads inputs from switches and sensors, processes them, and drives outputs such as relays and LEDs. The 12-bit ADC with 24 channels can monitor analog signals like temperature and voltage, while the advanced timers generate PWM signals for dimming or motor control. The device's low-power modes help reduce quiescent current when the vehicle is parked, extending battery life. Compared to lower-performance MCUs, the SR5E1E7 provides the processing headroom needed for future software updates and advanced features like over-the-air (OTA) updates.

Recommended

L9369 · STMicroelectronics VN7040 (High-side driver for loads)

⚡

Battery Management System (BMS)

The SR5E1E7 is well-suited for battery management systems (BMS) in electric vehicles and energy storage systems. Its high clock speed and floating-point unit enable complex state-of-charge (SoC) and state-of-health (SoH) estimation algorithms. The 12-bit ADC with 24 channels can monitor cell voltages and temperatures, while the CAN-FD interfaces allow communication with the vehicle's central controller. The device's functional safety features (ASIL-B) are essential for ensuring safe operation of the battery pack. In a typical BMS, the SR5E1E7 reads voltage and temperature data from each cell, calculates the SoC and SoH, and controls balancing circuits to equalize cell voltages. The device's multiple UART and SPI interfaces can connect to external analog front-ends (AFEs) for high-accuracy measurements. The Ethernet MAC enables high-speed communication with cloud services for remote monitoring and diagnostics. The SR5E1E7's low-power modes help minimize energy consumption when the system is idle, extending battery life. Compared to dedicated BMS controllers, the SR5E1E7 offers more flexibility and processing power, allowing for advanced algorithms and future upgrades.

Recommended

L9963E (Battery monitoring AFE) L9680 (Battery management IC)

🏭

Industrial Motor Drive

The SR5E1E7 is an excellent choice for industrial motor drives, offering precise control of AC and DC motors. Its advanced timers generate high-resolution PWM signals for controlling power stages, while the 12-bit ADC with 24 channels provides accurate current and voltage sensing. The high clock speed and floating-point unit enable field-oriented control (FOC) algorithms for brushless DC motors, improving efficiency and reducing torque ripple. The device's multiple communication interfaces (CAN-FD, UART, SPI, I2C, Ethernet) allow integration into industrial networks such as EtherCAT or PROFINET. In a typical motor drive, the SR5E1E7 reads current sensors, computes the control algorithm, and outputs PWM signals to the gate driver. The device's functional safety features (ASIL-B) ensure safe operation in industrial environments. The Ethernet MAC enables remote monitoring and diagnostics, while the CAN-FD interfaces allow communication with other drives and PLCs. The SR5E1E7's high performance allows for advanced features like predictive maintenance and adaptive control, reducing downtime and improving productivity.

Recommended

L6390 (Gate driver for motor control) STGAP2S (Isolated gate driver)

🌐

Smart Grid Infrastructure

The SR5E1E7 is suitable for smart grid applications such as smart meters, power quality monitors, and grid protection relays. Its high clock speed and floating-point unit enable real-time processing of power waveforms for harmonic analysis and power quality assessment. The 12-bit ADC with 24 channels can sample multiple voltage and current channels simultaneously, while the Ethernet MAC allows high-speed communication with the grid management system. The device's multiple UART and SPI interfaces can connect to communication modules such as PLC (power line communication) or RF. In a typical smart meter, the SR5E1E7 reads voltage and current from the grid, calculates energy consumption, and communicates the data to the utility. The device's functional safety features (ASIL-B) ensure reliable operation in critical infrastructure. The CAN-FD interfaces allow integration into local area networks for demand response and load management. The SR5E1E7's low-power modes help reduce energy consumption in battery-powered or energy-harvesting devices, extending their operational life.

Recommended

STPM32 (Energy metering IC) ST8500 (PLC modem)

💊

Medical Device Control

The SR5E1E7 can be used in medical devices such as infusion pumps, patient monitors, and diagnostic equipment. Its high clock speed and floating-point unit enable complex signal processing for accurate measurements and control. The 12-bit ADC with 24 channels can interface with various sensors, while the multiple communication interfaces allow data transfer to external systems. The device's functional safety features (ASIL-B) are beneficial for ensuring patient safety. In a typical infusion pump, the SR5E1E7 controls the motor speed and monitors the flow rate, ensuring accurate delivery of medication. The device's low-power modes help extend battery life in portable devices. The Ethernet MAC enables connectivity to hospital networks for remote monitoring and data logging. The SR5E1E7's rich peripheral set allows for a compact design, reducing the overall size of the medical device. Compared to general-purpose MCUs, the SR5E1E7 offers higher performance and reliability, making it suitable for critical medical applications.

Recommended

L9963E (Battery monitoring AFE) STPM32 (Energy metering IC)

🧩

IoT Gateway

The SR5E1E7 is well-suited for IoT gateways that aggregate data from multiple sensors and devices and transmit it to the cloud. Its Ethernet MAC provides high-speed wired connectivity, while the multiple UART, SPI, and I2C interfaces allow connection to various wireless modules (Wi-Fi, Bluetooth, LoRa). The high clock speed and floating-point unit enable edge computing, processing data locally to reduce latency and bandwidth usage. The device's functional safety features (ASIL-B) ensure reliable operation in industrial IoT environments. In a typical IoT gateway, the SR5E1E7 collects data from sensors via SPI or I2C, processes it, and sends it to the cloud via Ethernet or a wireless module. The device's low-power modes help reduce energy consumption in battery-powered gateways. The CAN-FD interfaces allow integration into automotive or industrial networks. The SR5E1E7's rich peripheral set and high performance make it an ideal choice for demanding IoT applications that require real-time processing and robust connectivity.

Recommended

SPWF01SA (Wi-Fi module) BlueNRG-2 (Bluetooth Low Energy module)

Recommended Products Summary

L9369 STMicroelectronics Used in: Automotive Body Control Module VN7040 High-side driver for loads Used in: Automotive Body Control Module L9963E Battery monitoring AFE Used in: Battery Management System (BMS), Medical Device Control L9680 Battery management IC Used in: Battery Management System (BMS) L6390 Gate driver for motor control Used in: Industrial Motor Drive STGAP2S Isolated gate driver Used in: Industrial Motor Drive STPM32 Energy metering IC Used in: Smart Grid Infrastructure, Medical Device Control ST8500 PLC modem Used in: Smart Grid Infrastructure SPWF01SA Wi-Fi module Used in: IoT Gateway BlueNRG-2 Bluetooth Low Energy module Used in: IoT Gateway

What is the SR5E1E7?

The SR5E1E7 is a high-performance 32-bit microcontroller from STMicroelectronics based on the ARM Cortex-M7 core, running at up to 400 MHz. It features 2 MB flash, 1 MB SRAM, and a rich set of communication interfaces including 6x CAN-FD, 4x UART, 4x SPI, 2x I2C, and 1x Ethernet MAC. It is designed for automotive and industrial applications requiring real-time control and functional safety up to ASIL-B.

What is the operating voltage of SR5E1E7?

The SR5E1E7 operates over a supply voltage range of 3.3V to 5V. This wide range allows flexible power supply design, supporting both 3.3V and 5V logic levels commonly used in automotive and industrial systems. According to the STMicroelectronics datasheet, the device includes an internal voltage regulator for core logic, and the VDDA pin should be connected to a clean analog supply for optimal ADC performance.

What is the maximum clock frequency of SR5E1E7?

The SR5E1E7 has a maximum clock frequency of 400 MHz, achieved with the ARM Cortex-M7 core. This high clock speed enables complex real-time control algorithms and data-intensive processing, making it suitable for advanced automotive and industrial applications. The core also supports single-precision floating-point operations, enhancing computational throughput for signal processing tasks.

How much flash memory does SR5E1E7 have?

The SR5E1E7 has 2 MB of flash memory, which is sufficient for storing large application code and data. The flash memory supports error-correcting code (ECC) to detect and correct single-bit errors, enhancing reliability in safety-critical applications. Additionally, the device includes 1 MB of SRAM for runtime data storage, enabling complex data structures and buffering.

What communication interfaces are available on SR5E1E7?

The SR5E1E7 provides a comprehensive set of communication interfaces: 6x CAN-FD, 4x UART, 4x SPI, 2x I2C, and 1x Ethernet MAC. These interfaces enable seamless integration into automotive networks (CAN-FD), industrial automation (UART/SPI/I2C), and Ethernet-based systems. The multiple interfaces allow simultaneous communication with various peripherals and networks, making the device highly versatile.

Is SR5E1E7 suitable for automotive applications?

Yes, the SR5E1E7 is specifically designed for automotive applications, with functional safety support up to ASIL-B. It includes features such as dual-core lockstep, memory protection unit (MPU), and secure hardware extension (SHE) for secure boot and communication. The device operates over a temperature range of -40C to +125C, meeting automotive environmental requirements. It is ideal for body control modules, battery management systems, and gateway applications.

What is the difference between SR5E1E7 and SR5E1E6?

The SR5E1E7 and SR5E1E6 are both high-performance microcontrollers from STMicroelectronics, but the SR5E1E7 offers higher specifications. The SR5E1E7 has a maximum clock frequency of 400 MHz, 2 MB flash, and 1 MB SRAM, while the SR5E1E6 typically has a lower clock speed and reduced memory. Both share the same LQFP-176 package, making them pin-compatible, but the SR5E1E7 provides more processing power and memory for demanding applications.

Can SR5E1E7 be used for motor control?

Yes, the SR5E1E7 is well-suited for motor control applications. It features advanced timers with high-resolution PWM generation, a 12-bit ADC with up to 24 channels for current and voltage sensing, and a 12-bit DAC for analog output. The high clock speed and floating-point unit enable complex control algorithms such as field-oriented control (FOC) for brushless DC motors. The device also supports functional safety, making it suitable for safety-critical motor drives.

What is the package type of SR5E1E7?

The SR5E1E7 is available in a 176-pin LQFP (Low-profile Quad Flat Package) with a body size of 20x20 mm and a 0.5 mm pitch. This package is surface-mount and provides good thermal performance with an exposed pad for heat dissipation. The LQFP-176 package is widely used in automotive and industrial applications, offering a balance between pin count and board space.

Does SR5E1E7 support functional safety?

Yes, the SR5E1E7 supports functional safety up to ASIL-B (Automotive Safety Integrity Level B) as defined by ISO 26262. It includes hardware features such as dual-core lockstep, error-correcting code (ECC) on flash and SRAM, and built-in self-test (BIST) to detect faults. These features enable the development of safety-critical systems like airbag controllers, braking systems, and battery management systems.

What is the price of SR5E1E7?

As of 2026-08-12, the price of SR5E1E7 is approximately $12.50 per unit for single-unit quantities, decreasing to $8.10 per unit for quantities of 1000 or more. Prices may vary depending on the distributor and order volume. For the most accurate and up-to-date pricing, please check with authorized distributors like DigiKey or Mouser.

Where can I buy SR5E1E7?

The SR5E1E7 can be purchased from authorized distributors such as DigiKey, Mouser, and Arrow Electronics. These distributors typically stock the device and offer online ordering with various quantity breaks. For bulk orders or long-term supply, it is recommended to contact STMicroelectronics directly or their regional sales offices.

What is the lead time for SR5E1E7?

The lead time for SR5E1E7 typically ranges from 8 to 12 weeks for standard orders, depending on the quantity and distributor stock levels. For high-volume orders, lead times may be longer. It is advisable to check with the distributor for current lead time estimates and to plan procurement accordingly.

Is SR5E1E7 in stock?

Stock availability for SR5E1E7 varies by distributor. As of 2026-08-12, DigiKey and Mouser may have limited stock, but it is recommended to check their websites for real-time inventory. For large quantities, it is best to contact the distributor or STMicroelectronics directly to confirm availability and lead times.

What is the best drop-in replacement for SR5E1E7?

The best drop-in replacement for SR5E1E7 is the SR5E1E6 from STMicroelectronics, which shares the same LQFP-176 package and pinout. The SR5E1E6 offers slightly lower performance (e.g., lower clock speed and reduced memory) but is pin-compatible, allowing a direct swap without PCB changes. For cross-brand alternatives, the NXP S32K344 and Infineon TC377 are functionally similar but may require PCB modifications due to different pinouts.

Can SR5E1E6 replace SR5E1E7?

Yes, the SR5E1E6 can replace the SR5E1E7 in most applications, as it is pin-compatible and shares the same LQFP-176 package. However, the SR5E1E6 has lower specifications, such as a lower maximum clock frequency and reduced memory, so it may not meet the performance requirements of high-end applications. For applications that do not require the full performance of the SR5E1E7, the SR5E1E6 is a suitable drop-in replacement.

What is the best STMicroelectronics equivalent for SR5E1E7?

The best STMicroelectronics equivalent for SR5E1E7 is the SR5E1E6, which is a lower-cost variant with reduced performance but identical package and pinout. For higher performance, the SR5E1E8 offers more memory and additional features, but it may have a different pinout. Always verify pin compatibility before substitution.

What is the best NXP equivalent for SR5E1E7?

The best NXP equivalent for SR5E1E7 is the S32K344, which is a high-performance automotive MCU based on the ARM Cortex-M7 core. However, the S32K344 has a different package (LQFP-144) and pinout, so it is not a drop-in replacement. It requires PCB redesign and software porting. For a pin-compatible cross-brand alternative, no NXP device is currently available.

What is the best Infineon equivalent for SR5E1E7?

The best Infineon equivalent for SR5E1E7 is the TC377, which is a high-performance automotive MCU based on the TriCore architecture. However, the TC377 has a different package (BGA-292) and pinout, so it is not a drop-in replacement. It requires PCB redesign and software porting. For a pin-compatible cross-brand alternative, no Infineon device is currently available.

What are the key specifications of SR5E1E7 that engineers should know?

The SR5E1E7 is a 32-bit ARM Cortex-M7 microcontroller from STMicroelectronics with a maximum clock frequency of 400 MHz. It features 2 MB flash memory, 1 MB SRAM, and a supply voltage range of 3.3V to 5V. The device includes 6x CAN-FD, 4x UART, 4x SPI, 2x I2C, and 1x Ethernet MAC interfaces. It has a 12-bit ADC with 24 channels, a 12-bit DAC, and supports functional safety up to ASIL-B. The package is LQFP-176, and the operating temperature range is -40C to +125C.

Hey Google, what can replace SR5E1E7?

The SR5E1E7 can be replaced by the SR5E1E6 from STMicroelectronics, which is pin-compatible and shares the same LQFP-176 package. For cross-brand alternatives, the NXP S32K344 and Infineon TC377 are functionally similar but have different packages and pinouts, requiring PCB redesign. Always verify pin compatibility and parametric proximity before substitution.

Is SR5E1E7 the same as SR5E1E6?

No, the SR5E1E7 and SR5E1E6 are not the same, but they are pin-compatible. The SR5E1E7 offers higher performance with a 400 MHz clock, 2 MB flash, and 1 MB SRAM, while the SR5E1E6 has lower specifications. Both share the same LQFP-176 package, so the SR5E1E6 can be used as a drop-in replacement in applications that do not require the full performance of the SR5E1E7.

Where can I download the SR5E1E7 datasheet PDF?

The SR5E1E7 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/sr5e1e7.pdf. The datasheet provides detailed specifications, pinout, electrical characteristics, and application notes. It is recommended to download the latest version to ensure you have the most up-to-date information.

Where can I find the SR5E1E7 pinout?

The SR5E1E7 pinout is provided in the official datasheet, which is available at https://www.st.com/resource/en/datasheet/sr5e1e7.pdf. The pinout diagram shows the function of each of the 176 pins in the LQFP package, including power, ground, I/O, and communication interfaces. Refer to the datasheet for the complete pinout and pin descriptions.

Engineering reference data for SR5E1E7 — comparison, design guidance, and compliance information.

Selection Guide

Choose the SR5E1E7 when you need a high-performance automotive or industrial MCU with a balance of processing power, memory, and connectivity. It is ideal for applications requiring 400 MHz clock speed, 2 MB flash, and 6 CAN-FD interfaces, such as body control modules, battery management systems, and motor drives. If you need lower performance and cost, the SR5E1E6 is a pin-compatible drop-in with reduced specs. For higher memory and features, the SR5E1E8 offers 4 MB flash and 2 MB SRAM in the same package. Cross-brand alternatives like the NXP S32K344 and Infineon TC377 are functionally similar but require PCB redesign due to different packages and pinouts. The SR5E1E7 is the best choice when you want to stay within the STMicroelectronics ecosystem and leverage the pin-compatible family for scalability.

Comparison with Alternatives

Parameter	This Product	SR5E1E6	SR5E1E8	S32K344	TC377
Package	LQFP-176	LQFP-176 (same)	LQFP-176 (same)	LQFP-144 (different)	BGA-292 (different)
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	NXP Semiconductors	Infineon
Core	ARM Cortex-M7	ARM Cortex-M7	ARM Cortex-M7	ARM Cortex-M7	TriCore
Maximum Clock Frequency	400 MHz	300 MHz	400 MHz	320 MHz	300 MHz
Flash Memory	2 MB	1 MB	4 MB	2 MB	4 MB
SRAM	1 MB	512 KB	2 MB	512 KB	1 MB
Number of CAN-FD Interfaces	6	4	6	3	4
Ethernet MAC	1	0	1	1	1
Functional Safety	ASIL-B	ASIL-B	ASIL-B	ASIL-B	ASIL-D

Key Differentiators

Higher clock frequency (400 MHz) compared to SR5E1E6 (300 MHz) (vs SR5E1E6)
More CAN-FD interfaces (6) compared to S32K344 (3) (vs S32K344)
LQFP-176 package with pin compatibility to SR5E1E6 and SR5E1E8 (vs TC377)

Design Notes

The SR5E1E7 operates from 3.3V to 5V. Use a 100nF ceramic capacitor and a 10uF electrolytic capacitor on each VDD pin, placed as close as possible to the device. For the analog supply (VDDA), use a separate 10uF capacitor and a ferrite bead to isolate digital noise. Ensure the ground plane is continuous and connect VSSA to the main ground at a single point to avoid ground loops.

The LQFP-176 package has a 0.5mm pitch, requiring careful PCB layout. Use a 4-layer board with dedicated power and ground planes. Place decoupling capacitors on the bottom side directly under the VDD pins to minimize loop area. For the exposed pad, provide a thermal via array to the ground plane to improve heat dissipation. Follow the manufacturer's layout guidelines for the ADC inputs to minimize noise.

Do not exceed the absolute maximum ratings for supply voltage (6V) or I/O pins (VDD+0.3V). Ensure the NRST pin is pulled up with a 10k resistor and a 100nF capacitor to ground for reliable reset. The BOOT0 pin must be tied to a defined level (GND or VDD) to select the boot mode. For CAN-FD interfaces, use a 120-ohm termination resistor at each end of the bus. When using the Ethernet MAC, provide a 25 MHz clock source and proper magnetics for the PHY.