Microchip Technology ATSAMD21J15B-AFT

Mfr. Part

ATSAMD21J15B-AFT

Manufacturer

Micrel / Microchip Technology. Y-IC is a quality distributor of Microchip brands and we will provide you with the best products and services

Detailed Description

Automotive-grade 32-bit ARM Cortex-M0+ microcontroller, up to 48 MHz. 32KB Flash, 4KB SRAM. 64-pin TQFP (10 x 10 mm). 52 GPIO. AEC-Q100 qualified with Functional Safety support. Built-in USB, SPI, UART/USART, LINbus. 20-channel 12-bit ADC and 1-channel 10-bit DAC. Internal oscillator. Operates from 1.62 to 3.6 V. RoHS3 compliant

Key Features

ARM Cortex-M0+ 32-bit core up to 48 MHz

32KB Flash program memory, 4KB SRAM

64-pin TQFP package, 10 x 10 mm body

52 general-purpose I/O pins

AEC-Q100 automotive qualification and Functional Safety (FuSa) support

Operating temperature range from -40°C to +125°C

Connectivity options: LINbus, SPI, UART/USART, USB

Peripherals: DMA, PWM, watchdog timer, brown-out detect/reset, power-on reset, interrupt system

Data converters: 20-channel 12-bit ADC, 1-channel 10-bit DAC

Internal oscillator for clock generation

Supply voltage range 1.62 V to 3.6 V

RoHS3 compliant

Key Advantages

Automotive reliability with wide temperature range for harsh environments

Strong peripheral mix reduces external components and saves board space

Low power operation supports battery and energy-sensitive designs

Integrated USB and LIN enable fast connectivity in and out of vehicles

Scalable SAM D21 family simplifies migration to higher memory or performance

Backed by Microchip’s ecosystem, tools, and long-term support for stable supply

Packaging

Shipment format: Tape and Reel for automated assembly

Device package: 64-pin TQFP, 10 x 10 mm quad flat plastic package with gull-wing leads

Mounting style: Surface mount

Pin resources: 64 leads with 52 GPIO, SERCOM interfaces for serial connectivity, dedicated pins for USB and analog functions

Materials and compliance: Lead-free plastic package with copper leadframe, RoHS3 compliant

Thermal characteristics: Designed for -40°C to +125°C ambient operation; actual thermal performance depends on PCB design and airflow

Electrical properties summary: Up to 48 MHz core clock, 1.62–3.6 V supply, internal oscillator, brown-out and watchdog protection

Lifecycle

Current status: Active within Microchip’s SAM D21J automotive family to the best of current knowledge

Not identified as nearing discontinuation based on family status; for the latest lifecycle confirmation, please check with Y-IC

Family alternatives for different memory sizes and options (pin compatibility and availability must be verified):

- ATSAMD21J16 for higher Flash (around 64KB)

- ATSAMD21J17 for higher Flash (around 128KB)

- ATSAMD21J18 for higher Flash (around 256KB)

- Non-automotive SAM D21J variants if automotive grade is not needed

- Related SAM D families (SAM D20 for non-USB, SAM DA1 for certain automotive features) depending on requirements

Exact drop-in replacements, suffix details, and automotive-grade options vary; contact our sales team via the Y-IC website for a precise cross-reference and availability

Key Application Areas

Automotive body electronics: door modules, window lifters, seat controllers, lighting control

LIN bus nodes and distributed automotive sensors and actuators

USB device endpoints in vehicle systems and industrial peripherals

Industrial controllers and instrumentation in wide temperature environments

IoT and consumer products needing low power and compact form factor

Data acquisition, control panels, and human-machine interfaces leveraging the 12-bit ADC, PWM, and DMA

Datasheet

Y-IC provides the most authoritative and up-to-date datasheet for ATSAMD21J15B-AFT on our product page. Download it now for complete specifications, pinouts, timing, and design guidance

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