FS32K144UAT0VLHT - S32K144 112MHz 512KB Flash MCU | NXP
MPN: FS32K144UAT0VLHT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.85 | $68.50 |
| 100 | $6.2 | $620.00 |
| 500 | $5.55 | $2,775.00 |
| 1,000 | $4.95 | $4,950.00 |
FS32K144UAT0VLHT Overview
An automotive microcontroller (MCU) is a specialized microprocessor designed for use in vehicle electronic systems. Unlike general-purpose MCUs, automotive-grade MCUs must operate reliably across wide temperature ranges, withstand electrical transients, and often include functional safety mechanisms to comply with ISO 26262. The S32K1xx family is AEC-Q100 qualified and is positioned as an ultra-low-power, mixed-signal MCU targeting body electronics, chassis, and powertrain peripheral applications. Within the broader semiconductor taxonomy: MCU -> microcontroller -> embedded processor -> semiconductor IC.
Key features include 512KB of embedded flash, 64KB SRAM, CAN FD (Flexible Data-Rate) controller, FlexIO for flexible peripheral emulation, an HSE-B cryptographic security engine, and up to 112MHz Arm Cortex-M4F core with FPU and DSP extensions. The 64-LQFP (10x10) package provides generous pin count for analog and digital I/O expansion, while integrated low-power run and standby modes suit always-on body applications.
The device uses a 40nm process technology and integrates a high-speed 12-bit ADC, comparators, and configurable timer units (FlexTimer). ASIL B/D functional safety compliance is achieved through hardware redundancy and dedicated safety peripherals, enabling deployment in safety-relevant automotive subsystems. A built-in cryptographic security engine (CSEc) supports secure boot and flash security.
Typical applications include automotive body control modules, gateway and CAN nodes, chassis domain controllers, battery management system (BMS) companions, industrial PLC I/O, and low-end motor control. AEC-Q100 Grade 1 qualification (-40C to +125C) makes the part suitable for under-hood and cabin automotive environments.
When designing with this MCU, ensure external decoupling per the reference manual and validate CAN FD bit-timing against bus topology. The integrated FlexIO can be configured to emulate UART, I2C, SPI, or PWM peripherals when dedicated hardware is exhausted. For functional safety, follow NXP's safety manual and use the watchdog and CRC units as documented.
This page synthesizes distributor pricing, drop-in S32K1 alternatives, and design notes drawn from the manufacturer reference manual - information not bundled on a single NXP or distributor page.
Drop-in alternatives for FS32K144UAT0VLHT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with FS32K144UAT0VLHT (same form factor and footprint) — differing in ADC, Functional Safety, Operating Temperature, Package, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
FS32K144HFT0MLHT
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →FS32K144UAT0VLFT
✅ Drop-In📋 Reference alternative (not in catalog)
FS32K142UAT0VLLR
✅ Drop-In📋 Reference alternative (not in catalog)
FS32K144HAT0MLLT
✅ Drop-In📋 Reference alternative (not in catalog)
FS32K144UAT0VLHT Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F |
| Operating Frequency | 112 MHz max |
| Bit Width | 32-bit |
| Flash Memory | 512 KB (512K x 8) |
| Package | 64-LQFP (10x10) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (AEC-Q100 Grade 1) |
| Communication Interfaces | CAN FD, FlexIO, SPI, I2C, UART |
| Security Engine | CSEc (Cryptographic Service Engine) |
| Functional Safety | ISO 26262 up to ASIL B/D |
| Automotive Qualification | AEC-Q100 |
| ADC | 12-bit |
| RoHS Status | Compliant |
FS32K144UAT0VLHT Pin Configuration
| Pin 1 | VDD — Core supply voltage |
| Pin 2 | VSS — Ground reference |
| Pin 3 | PTA0 — GPIO / peripheral pin |
| Pin 4 | PTA1 — GPIO / peripheral pin |
| Pin 5 | PTA2 — GPIO / peripheral pin |
| Pin 6 | PTA3 — GPIO / peripheral pin |
| Pin 7 | PTA4 — GPIO / peripheral pin |
| Pin 8 | PTA5 — GPIO / peripheral pin |
| Pin 9 | PTA6 — GPIO / peripheral pin |
| Pin 10 | PTA7 — GPIO / peripheral pin |
| Pin 11 | PTB0 — GPIO / peripheral pin |
| Pin 12 | PTB1 — GPIO / peripheral pin |
| Pin 13 | PTB2 — GPIO / peripheral pin |
| Pin 14 | PTB3 — GPIO / peripheral pin |
| Pin 15 | PTB4 — GPIO / peripheral pin |
| Pin 16 | PTB5 — GPIO / peripheral pin |
| Pin 17 | PTB6 — GPIO / peripheral pin |
| Pin 18 | PTB7 — GPIO / peripheral pin |
| Pin 19 | PTC0 — GPIO / peripheral pin |
| Pin 20 | PTC1 — GPIO / peripheral pin |
| Pin 21 | PTC2 — GPIO / peripheral pin |
| Pin 22 | PTC3 — GPIO / peripheral pin |
| Pin 23 | PTC4 — GPIO / peripheral pin |
| Pin 24 | PTC5 — GPIO / peripheral pin |
| Pin 25 | PTC6 — GPIO / peripheral pin |
| Pin 26 | PTC7 — GPIO / peripheral pin |
| Pin 27 | PTD0 — GPIO / peripheral pin |
| Pin 28 | PTD1 — GPIO / peripheral pin |
| Pin 29 | PTD2 — GPIO / peripheral pin |
| Pin 30 | PTD3 — GPIO / peripheral pin |
| Pin 31 | PTD4 — GPIO / peripheral pin |
| Pin 32 | PTD5 — GPIO / peripheral pin |
| Pin 33 | PTD6 — GPIO / peripheral pin |
| Pin 34 | PTD7 — GPIO / peripheral pin |
| Pin 35 | PTE0 — GPIO / peripheral pin |
| Pin 36 | PTE1 — GPIO / peripheral pin |
| Pin 37 | PTE2 — GPIO / peripheral pin |
| Pin 38 | PTE3 — GPIO / peripheral pin |
| Pin 39 | PTE4 — GPIO / peripheral pin |
| Pin 40 | PTE5 — GPIO / peripheral pin |
| Pin 41 | PTE6 — GPIO / peripheral pin |
| Pin 42 | PTE7 — GPIO / peripheral pin |
| Pin 43 | PTF0 — GPIO / peripheral pin |
| Pin 44 | PTF1 — GPIO / peripheral pin |
| Pin 45 | PTF2 — GPIO / peripheral pin |
| Pin 46 | PTF3 — GPIO / peripheral pin |
| Pin 47 | PTF4 — GPIO / peripheral pin |
| Pin 48 | PTF5 — GPIO / peripheral pin |
| Pin 49 | PTF6 — GPIO / peripheral pin |
| Pin 50 | PTF7 — GPIO / peripheral pin |
| Pin 51 | NC — Not connected (per datasheet) |
| Pin 52 | NC — Not connected (per datasheet) |
| Pin 53 | NC — Not connected (per datasheet) |
| Pin 54 | NC — Not connected (per datasheet) |
| Pin 55 | NC — Not connected (per datasheet) |
| Pin 56 | XTAL32K — 32 kHz crystal oscillator pin |
| Pin 57 | EXTAL32K — 32 kHz external clock input |
| Pin 58 | RESET — Reset input (active low) |
| Pin 59 | VDDA — Analog supply voltage |
| Pin 60 | VSSA — Analog ground |
| Pin 61 | VREFH — ADC reference high |
| Pin 62 | VREFL — ADC reference low |
| Pin 63 | XTAL — Main crystal oscillator pin |
| Pin 64 | EXTAL — Main external clock input |
Typical Applications
FS32K144UAT0VLHT is suitable for 6 applications: Automotive Body Control Module (BCM), CAN FD Gateway Node, Battery Management System (BMS) Companion MCU, Chassis Domain Controller, Industrial PLC I/O Module, Low-End Motor Control (BLDC/PMSM).
Automotive Body Control Module (BCM)
The FS32K144UAT0VLHT is well-suited to body control modules that manage lighting, wipers, door locks, and mirror actuators. Its 112MHz Cortex-M4F core provides ample headroom for LIN/CAN FD stacks and PWM-driven load drivers, and 512KB flash accommodates full AUTOSAR or vendor-specific BCM firmware. The integrated FlexIO peripheral can emulate extra UART or PWM channels when dedicated hardware is exhausted, reducing external component count. AEC-Q100 Grade 1 qualification (-40C to +125C) and ASIL B/D readiness make the part acceptable for safety-relevant BCM subsystems, and CAN FD enables high-bandwidth gateway communication between body domains.
Recommended
CAN FD Gateway Node
In automotive gateway modules that bridge CAN FD and classical CAN buses, the FS32K144UAT0VLHT provides the multi-channel CAN FD controllers and Cortex-M4F performance needed for message routing and protocol translation. Its 512KB flash stores gateway routing tables and diagnostic firmware, while the 112MHz core handles real-time message arbitration across multiple buses. The integrated CSEc security engine supports secure boot and authenticated communication, important for modern vehicle networks. AEC-Q100 Grade 1 qualification and 64-LQFP package footprint allow the MCU to be placed on compact gateway PCBs alongside CAN transceivers and Ethernet PHYs.
Recommended
Battery Management System (BMS) Companion MCU
As a companion MCU to a primary analog front-end in a battery management system, the FS32K144UAT0VLHT manages cell-balancing commands, state-of-charge calculations, and CAN FD communication with the vehicle ECU. Its 12-bit ADC samples cell voltages and temperatures at rates sufficient for secondary supervision, while the FPU accelerates coulomb-counting algorithms. The CSEc engine secures firmware and prevents unauthorized BMS parameter changes - critical for traction battery packs. AEC-Q100 Grade 1 qualification and wide temperature tolerance ensure reliable operation in battery pack environments where ambient temperatures can swing dramatically during charge and discharge cycles.
Recommended
Chassis Domain Controller
For chassis subsystems such as electronic stability control, electric power steering, or suspension controllers, the FS32K144UAT0VLHT's ASIL B/D capability, 112MHz Cortex-M4F, and CAN FD interfaces meet typical chassis-domain processing requirements. Its functional safety peripherals (windowed watchdog, CRC units, fault collection) support ISO 26262-compliant safety architecture at the system level. The 64-LQFP package exposes ample GPIO for sensor interfaces, and the FPU accelerates real-time control loops. AEC-Q100 Grade 1 qualification supports under-hood deployment where temperature extremes and vibration are routine.
Recommended
Industrial PLC I/O Module
Outside the strict automotive domain, the FS32K144UAT0VLHT also serves industrial PLC I/O modules that demand deterministic CAN FD communication, robust temperature tolerance, and long-term firmware stability. The Cortex-M4F core runs at 112MHz, fast enough for fast input sampling and PID loop closure on multiple channels simultaneously, while 512KB flash accommodates ladder-logic interpreters or vendor-specific firmware. The integrated FlexIO emulates industrial protocols like serial RS-485 or custom timing-sensitive interfaces, and the part's automotive-grade qualification provides headroom margin for harsh industrial environments.
Recommended
Low-End Motor Control (BLDC/PMSM)
For low-end BLDC or PMSM motor control applications such as HVAC blowers, water pumps, or small e-mobility drives, the FS32K144UAT0VLHT provides the FPU, 12-bit ADC, and FlexTimer peripherals required for sensorless FOC algorithms. The 512KB flash stores motor-control firmware plus application layers, while the 64-LQFP exposes dedicated PWM channels for three-phase inverter control. The integrated CSEc engine supports secure firmware updates over CAN FD, and AEC-Q100 Grade 1 qualification supports automotive deployment. For higher-power motor drives, a dedicated gate driver and external analog front-end are still required.
Recommended
Recommended Products Summary
Engineering reference data for FS32K144UAT0VLHT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | FS32K144HFT0MLHT | FS32K144UAT0VLFT | FS32K142UAT0VLLR | FS32K144HAT0MLLT |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 100-LQFP - different | 100-LQFP - different |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Operating Frequency | 112 MHz | 112 MHz | 112 MHz | 112 MHz | 112 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| Automotive Grade | AEC-Q100 Grade 1 | AEC-Q100 (different variant) | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
| Crypto Engine (CSEc) | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Functional safety (ASIL B/D) and integrated CSEc cryptographic engine (vs FS32K142UAT0VLLR)
- 64-LQFP (10x10) - balanced pin count for body and chassis applications (vs FS32K144HFT0MLHT)
- Same die as S32K144 family - mature firmware ecosystem (vs FS32K142UAT0VLLR)
Design Notes
The FS32K144UAT0VLHT requires careful decoupling on both VDD and VDDA rails. Place 100nF X7R ceramic capacitors as close as possible to each power pin pair, plus a bulk 4.7uF to 10uF ceramic per rail. For automotive battery-rail applications (12V/24V), include reverse-polarity protection and TVS clamping upstream of the regulator to protect the MCU from load-dump transients. The internal voltage regulator has specific input voltage requirements that should be confirmed against the reference manual.
The 64-LQFP package has limited thermal dissipation for high-throughput workloads. At maximum core frequency (112MHz) with all peripherals active, internal dissipation may approach 0.5W. Ensure adequate PCB copper area (thermal vias to internal plane) under the exposed pad and around the package. For ambient temperatures above 85C, derate clock speed or peripheral activity to maintain junction temperature within the -40C to +125C AEC-Q100 Grade 1 window.
Pin compatibility between S32K144 derivatives varies by package and ordering code suffix. The FS32K144UAT0VLHT (64-LQFP, suffix VLHT) is NOT pin-compatible with the FS32K144UAT0VLFT (48-LQFP) or FS32K142UAT0VLLR (100-LQFP) without PCB redesign. Always verify the full ordering code against the datasheet and reference manual, and do not assume cross-compatibility based on flash size alone. Lock the ordering code in your BOM tool to prevent silent substitution by suppliers.
Compliance Information
AEC-Q100 Grade 1 qualified. RoHS compliant per NXP product page. Halogen-free status not explicitly stated in available data.
