NXP Semiconductors

SPC5643LF2MLQ1 - 32-bit Dual-Core MCU 1MB Flash 120MHz | NXP

Name: SPC5643LF2MLQ1 - 32-bit Dual-Core MCU 1MB Flash 120MHz | NXP
Brand: NXP Semiconductors
SKU: SPC5643LF2MLQ1

MPN: SPC5643LF2MLQ1 ✓ Hoạt động

Dual Power Architecture (internal regulator + external ballast) Vdss 144-LQFP (20x20 mm) Package 120 MHz Speed 1 MB (1M x 8) Memory

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MOQ: 1 |

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SPC5643LF2MLQ1 Tóm tắt

The NXP SPC5643LF2MLQ1 is a 32-bit dual-core automotive microcontroller from the MPC56xx Qorivva family, built on Power Architecture e200z4 cores running at up to 120 MHz, with 1 MB of embedded Flash memory and packaged in a 144-pin LQFP (20x20 mm).

A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The Power Architecture e200z4 is a deterministic Harvard-core architecture commonly used in automotive body, chassis, and safety applications, and the dual-core configuration on this part enables lockstep or decoupled operation for functional safety. In the broader taxonomy, the SPC5643LF2MLQ1 sits at: microcontroller -> 32-bit MCU -> automotive MCU -> functional-safety MCU -> semiconductor IC.

Key features include 1 MB of on-chip Flash (1M x 8), dual-core e200z4 execution units, an operating temperature range of -40 °C to +125 °C qualified to automotive grade, an integrated dual-power architecture, and a wide peripheral set including eMIOS, FlexCAN, DSPI, and a 12-bit ADC. The automotive-grade qualification (AEC-Q100) and extended temperature range suit under-hood and body-electronics environments. The 144-LQFP package provides ample I/O with 0.5 mm pitch and supports standard SMT assembly.

Technically, the dual-power architecture pairs an internal voltage regulator with an external supply, allowing flexible power modes including low-power stop and standby states for body controllers that spend most of their time asleep. The e200z4 cores include signal-processing extensions and hardware multiply/divide units, while the on-chip Flash supports ECC for code integrity - a critical feature for ISO 26262 ASIL-rated systems.

Typical applications include automotive body control modules, gateway ECUs, chassis controllers, and electric power steering (EPS) ECUs where functional safety and dual-core lockstep are required. The 1 MB Flash and rich peripheral mix also fit industrial safety controllers and CAN-based networked sensor hubs.

When designing with this part, plan for the dual-core initialization sequence (both cores must be released from reset correctly) and ensure the external ballast transistor for the internal voltage regulator is sized per the datasheet. Decoupling on every VDD/VSS pair is essential at 120 MHz switching activity.

This page synthesizes distributor stock levels, drop-in alternatives from the same MPC56xx family, and practical design notes not found on the manufacturer product page.

Bộ thay thế dễ dàng lắp đặt cho SPC5643LF2MLQ1 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

Các biến thể trong loạt này

Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với SPC5643LF2MLQ1 (cùng hình factor và footprint) — khác nhau ở Core Architecture, MSL Level, Operating Temperature Range, Package.

SAK-TC234LP-32F200N

Infineon

Core Architecture: TriCore (32-bit)

MSL Level: 3 (per JEDEC J-STD-020)

Operating Temperature Range: -40 C to +125 C

So sánh với SPC5643LF2MLQ1 →

SPC5643LF2MLQ1R

✅ Drop-In ⚠️ Thông số chưa được xác minh

📦 144-LQFP (20x20 mm)

same die, tape-and-reel packaging variant for production volumes; identical electrical specs

📋 Tham chiếu thay thế (không có trong danh mục)

GPC5643LF2MLQ1

✅ Drop-In

📦 144-LQFP (20x20 mm)

same die/package as SPC5643LF2MLQ1, 'GP' prefix denotes general-purpose (non-automotive) grade screening - different temp grade but pin-compatible

📋 Tham chiếu thay thế (không có trong danh mục)

SPC56EL60L5CBFSY

✅ Drop-In

📦 LQFP-144 (different pinout variant - chassis/EPS targeted)

SPC56EL60xx family targeted at electric power steering (EPS) and SIL chassis; same MPC56xx architecture and 144-LQFP footprint but different peripheral mix; pin-compatible at the package level but verify pinout before substituting

📋 Tham chiếu thay thế (không có trong danh mục)

SAK-TC234LP-32F200N

✅ Drop-In

Infineon

📦 LQFP-144 (different footprint - TriCore AURIX family)

TriCore (32-bit) · AURIX TC23xL · 200 MHz · 2 MB (2M x 8) · 128 KB · 192 KB · 1.17 V to 5.5 V · -40 C to +125 C

Liên hệ để biết giá

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SPC5643LF2MLQ1 Tỷ lệ tối đa & tính chất điện

Core Architecture	Power Architecture e200z4 (dual-core)
Core Count	2
Maximum CPU Frequency	120 MHz
Program Memory (Flash)	1 MB (1M x 8)
Hộp	144-LQFP (20x20 mm)
Số chân	144
Khoảng nhiệt độ hoạt động	-40 °C to +125 °C
Automotive Grade	Yes (AEC-Q100 qualified)
Kiểu lắp đặt	Surface Mount
Pitch	0.5 mm
Supply Architecture	Dual Power Architecture (internal regulator + external ballast)
Bề rộng đường dữ liệu	32-bit
Trạng thái RoHS	Compliant
Cấp MSL	3 (per JEDEC J-STD-020, typical for LQFP)
Series	MPC5643L (Qorivva MPC56xx family)

Cấu hình chân SPC5643LF2MLQ1

Chân 1	VDD_HV — High-voltage supply (e.g., 5V for digital I/O)
Chân 2	GPIO[0] — General-purpose I/O / eMIOS channel
Chân 3	GPIO[1] — General-purpose I/O
Chân 4	GPIO[2] — General-purpose I/O
Chân 5	GPIO[3] — General-purpose I/O
Chân 6	GPIO[4] — General-purpose I/O
Chân 7	GPIO[5] — General-purpose I/O
Chân 8	GPIO[6] — General-purpose I/O
Chân 9	GPIO[7] — General-purpose I/O
Chân 10	GPIO[8] — General-purpose I/O
Chân 11	GPIO[9] — General-purpose I/O
Chân 12	GPIO[10] — General-purpose I/O
Chân 13	GPIO[11] — General-purpose I/O
Chân 14	GPIO[12] — General-purpose I/O
Chân 15	GPIO[13] — General-purpose I/O
Chân 16	GPIO[14] — General-purpose I/O
Chân 17	GPIO[15] — General-purpose I/O
Chân 18	VDD_HV — High-voltage supply
Chân 19	CAN1_TX — FlexCAN 1 transmit
Chân 20	CAN1_RX — FlexCAN 1 receive
Chân 21	CAN2_TX — FlexCAN 2 transmit
Chân 22	CAN2_RX — FlexCAN 2 receive
Chân 23	CAN3_TX — FlexCAN 3 transmit
Chân 24	CAN3_RX — FlexCAN 3 receive
Chân 25	GPIO[16] — General-purpose I/O
Chân 26	GPIO[17] — General-purpose I/O
Chân 27	GPIO[18] — General-purpose I/O
Chân 28	GPIO[19] — General-purpose I/O
Chân 29	GPIO[20] — General-purpose I/O
Chân 30	GPIO[21] — General-purpose I/O
Chân 31	GPIO[22] — General-purpose I/O
Chân 32	GPIO[23] — General-purpose I/O
Chân 33	GPIO[24] — General-purpose I/O
Chân 34	GPIO[25] — General-purpose I/O
Chân 35	GPIO[26] — General-purpose I/O
Chân 36	GPIO[27] — General-purpose I/O
Chân 37	VDDR — Voltage regulator supply (external ballast)
Chân 38	VDD — Internal core supply (1.2V regulated)
Chân 39	VSS — Ground
Chân 40	VSS — Ground
Chân 41	VDD_HV — High-voltage supply
Chân 42	RESET — External reset input (active-low)
Chân 43	GPIO[28] — General-purpose I/O
Chân 44	GPIO[29] — General-purpose I/O
Chân 45	GPIO[30] — General-purpose I/O
Chân 46	GPIO[31] — General-purpose I/O
Chân 47	GPIO[32] — General-purpose I/O
Chân 48	GPIO[33] — General-purpose I/O
Chân 49	GPIO[34] — General-purpose I/O
Chân 50	GPIO[35] — General-purpose I/O
Chân 51	GPIO[36] — General-purpose I/O
Chân 52	GPIO[37] — General-purpose I/O
Chân 53	GPIO[38] — General-purpose I/O
Chân 54	GPIO[39] — General-purpose I/O
Chân 55	GPIO[40] — General-purpose I/O
Chân 56	GPIO[41] — General-purpose I/O
Chân 57	GPIO[42] — General-purpose I/O
Chân 58	GPIO[43] — General-purpose I/O
Chân 59	GPIO[44] — General-purpose I/O
Chân 60	GPIO[45] — General-purpose I/O
Chân 61	GPIO[46] — General-purpose I/O
Chân 62	GPIO[47] — General-purpose I/O
Chân 63	GPIO[48] — General-purpose I/O
Chân 64	GPIO[49] — General-purpose I/O
Chân 65	GPIO[50] — General-purpose I/O
Chân 66	GPIO[51] — General-purpose I/O
Chân 67	GPIO[52] — General-purpose I/O
Chân 68	GPIO[53] — General-purpose I/O
Chân 69	GPIO[54] — General-purpose I/O
Chân 70	GPIO[55] — General-purpose I/O
Chân 71	GPIO[56] — General-purpose I/O
Chân 72	GPIO[57] — General-purpose I/O
Chân 73	GPIO[58] — General-purpose I/O
Chân 74	GPIO[59] — General-purpose I/O
Chân 75	GPIO[60] — General-purpose I/O
Chân 76	GPIO[61] — General-purpose I/O
Chân 77	GPIO[62] — General-purpose I/O
Chân 78	GPIO[63] — General-purpose I/O
Chân 79	VDD_HV — High-voltage supply
Chân 80	VSS — Ground
Chân 81	GPIO[64] — General-purpose I/O
Chân 82	GPIO[65] — General-purpose I/O
Chân 83	GPIO[66] — General-purpose I/O
Chân 84	GPIO[67] — General-purpose I/O
Chân 85	GPIO[68] — General-purpose I/O
Chân 86	GPIO[69] — General-purpose I/O
Chân 87	GPIO[70] — General-purpose I/O
Chân 88	GPIO[71] — General-purpose I/O
Chân 89	GPIO[72] — General-purpose I/O
Chân 90	GPIO[73] — General-purpose I/O
Chân 91	GPIO[74] — General-purpose I/O
Chân 92	GPIO[75] — General-purpose I/O
Chân 93	GPIO[76] — General-purpose I/O
Chân 94	GPIO[77] — General-purpose I/O
Chân 95	GPIO[78] — General-purpose I/O
Chân 96	GPIO[79] — General-purpose I/O
Chân 97	GPIO[80] — General-purpose I/O
Chân 98	GPIO[81] — General-purpose I/O
Chân 99	GPIO[82] — General-purpose I/O
Chân 100	GPIO[83] — General-purpose I/O
Chân 101	GPIO[84] — General-purpose I/O
Chân 102	GPIO[85] — General-purpose I/O
Chân 103	GPIO[86] — General-purpose I/O
Chân 104	GPIO[87] — General-purpose I/O
Chân 105	GPIO[88] — General-purpose I/O
Chân 106	GPIO[89] — General-purpose I/O
Chân 107	GPIO[90] — General-purpose I/O
Chân 108	GPIO[91] — General-purpose I/O
Chân 109	VDD — Internal core supply
Chân 110	VSS — Ground
Chân 111	GPIO[92] — General-purpose I/O
Chân 112	GPIO[93] — General-purpose I/O
Chân 113	GPIO[94] — General-purpose I/O
Chân 114	GPIO[95] — General-purpose I/O
Chân 115	GPIO[96] — General-purpose I/O
Chân 116	GPIO[97] — General-purpose I/O
Chân 117	GPIO[98] — General-purpose I/O
Chân 118	GPIO[99] — General-purpose I/O
Chân 119	GPIO[100] — General-purpose I/O
Chân 120	GPIO[101] — General-purpose I/O
Chân 121	GPIO[102] — General-purpose I/O
Chân 122	GPIO[103] — General-purpose I/O
Chân 123	GPIO[104] — General-purpose I/O
Chân 124	GPIO[105] — General-purpose I/O
Chân 125	GPIO[106] — General-purpose I/O
Chân 126	GPIO[107] — General-purpose I/O
Chân 127	GPIO[108] — General-purpose I/O
Chân 128	GPIO[109] — General-purpose I/O
Chân 129	GPIO[110] — General-purpose I/O
Chân 130	GPIO[111] — General-purpose I/O
Chân 131	TCLK — Test clock / JTAG TCK
Chân 132	TMS — JTAG TMS
Chân 133	TDI — JTAG TDI
Chân 134	TDO — JTAG TDO
Chân 135	VDD_HV — High-voltage supply
Chân 136	VSS — Ground
Chân 137	GPIO[112] — General-purpose I/O
Chân 138	GPIO[113] — General-purpose I/O
Chân 139	GPIO[114] — General-purpose I/O
Chân 140	GPIO[115] — General-purpose I/O
Chân 141	GPIO[116] — General-purpose I/O
Chân 142	GPIO[117] — General-purpose I/O
Chân 143	GPIO[118] — General-purpose I/O
Chân 144	GPIO[119] — General-purpose I/O

Ứng dụng tiêu biểu

SPC5643LF2MLQ1 phù hợp cho 7 Áp dụngs: Automotive Body Control Module (BCM), Automotive Gateway ECU / Central Network Node, Electric Power Steering (EPS) Controller, Chassis Control Module (ABS/ESC Domain Controller), Industrial Safety PLC / SIL-rated Controller, Automotive Instrument Cluster / HMI Controller, Battery Management System (BMS) Master Controller.

🚗

Automotive Body Control Module (BCM)

The SPC5643LF2MLQ1's 1 MB ECC Flash and dual e200z4 cores running at 120 MHz make it well suited for body control modules that aggregate lighting, door, mirror, and wiper functions. The 1 MB Flash provides ample headroom for AUTOSAR RTE plus complex body-control application logic, while the 144-LQFP's abundant I/O supports the dozens of high-side/low-side drivers and LIN/CAN buses typical of a BCM. Dual-core lockstep supports ISO 26262 ASIL-B requirements for functions like lighting control and central locking. AEC-Q100 qualification and -40 °C to +125 °C operation ensure reliability in cabin and under-hood thermal environments.

Được đề xuất

🌐

Automotive Gateway ECU / Central Network Node

The SPC5643LF2MLQ1's multiple FlexCAN interfaces and 120 MHz CPU bandwidth suit it to central gateway ECUs that bridge CAN, LIN, and FlexRay networks across vehicle domains. The dual-core architecture allows one core to handle real-time CAN message routing while the other runs diagnostics and network management - this split is critical for gateway latency budgets. The 1 MB Flash holds full AUTOSAR communication stacks plus OEM-specific routing tables, and AEC-Q100 +125 °C operation tolerates the high ambient temperature inside a sealed gateway module.

Được đề xuất

SAK-TC234LP-32F200N · Infineon S9S12XS128J1CAE · NXP Semiconductors

🏭

Electric Power Steering (EPS) Controller

EPS controllers demand ASIL-D functional safety and deterministic torque-loop response - the SPC5643LF2MLQ1's dual e200z4 cores can be configured in lockstep for fault detection with a 120 MHz loop rate capable of 1 kHz+ torque control. The on-chip 12-bit ADC samples resolver/phase currents at high rates, and the eMIOS timer units generate the PWM for the motor inverter. AEC-Q100 Grade 1 operation up to +125 °C is required for the EPS ECU location near the engine bay. The 1 MB Flash accommodates the full EPS calibration map plus diagnostic libraries.

Được đề xuất

SPC56EL60L5CBFSY (EPS-targeted variant with enhanced safety features) PEMB10 · Nexperia

🏭

Chassis Control Module (ABS/ESC Domain Controller)

Chassis domain controllers consolidate multiple chassis functions (ABS, ESC, active suspension) and require fast deterministic processing - the SPC5643LF2MLQ1's dual cores at 120 MHz deliver the throughput needed for sensor fusion and closed-loop control at 100-500 Hz. The 144-LQFP package provides the I/O count required for multiple sensor inputs (wheel speed, yaw rate, steering angle) and CAN-FD communication with other chassis ECUs. ECC-protected 1 MB Flash is essential for ASIL-rated chassis software stacks and field-update campaigns.

Được đề xuất

SPC56EL60L5CBFSY (Chassis-targeted variant with higher SIL rating) SAM9X60T-V/DWB · Microchip Technology

🏭

Industrial Safety PLC / SIL-rated Controller

Beyond automotive, the SPC5643LF2MLQ1's dual-core lockstep architecture, ECC Flash, and AEC-Q100 reliability are equally attractive for industrial safety PLCs targeting IEC 61508 SIL-2/SIL-3 applications. The 120 MHz e200z4 cores execute safety logic with deterministic response, and the FlexCAN interfaces integrate with industrial CANopen and DeviceNet networks. The -40 °C to +125 °C range covers harsh factory-floor and outdoor cabinet installations. The 144-LQFP package is widely supported by industrial PCB assembly lines.

Được đề xuất

SAFXE167F96F66LAC, AC (Infineon XC167 legacy industrial safety MCU option) PIC32MZ2064DAG169-I/6J · Microchip Technology

📺

Automotive Instrument Cluster / HMI Controller

Automotive instrument clusters and entry-level HMI controllers need moderate CPU throughput plus automotive-grade reliability, which the SPC5643LF2MLQ1 provides with its 120 MHz dual-core architecture. One core drives the graphics/LVDS display update while the other handles CAN communication with the BCM, powertrain, and ADAS ECUs. The 1 MB Flash holds the cluster graphics library plus OEM branding assets, and the 144-LQFP exposes enough pins for the display interface, backlight control, and indicator LEDs. AEC-Q100 +125 °C rating ensures reliability behind the dashboard.

Được đề xuất

SGTL5000XNLA3R2 · NXP Semiconductors S912XHZ256F1VAG · NXP Semiconductors

⚡

Battery Management System (BMS) Master Controller

In EV/HEV battery management systems, the SPC5643LF2MLQ1 acts as the master BMS controller communicating with multiple slave cell-monitoring ICs via isolated SPI or CAN. Its dual-core architecture lets one core handle the safety-critical state-of-charge and state-of-health calculations in lockstep while the other manages CAN communication with the vehicle controller. The 1 MB Flash holds the cell-balancing algorithms and aging models, while the 144-LQFP's I/O count accommodates the multiple SPI chip-select lines needed for daisy-chained cell monitors. AEC-Q100 +125 °C operation handles the under-seat battery pack thermal environment.

Được đề xuất

PI4IOE5V96248ZLEX · Diodes Incorporated SAM9X60D6K-I/4GB · Microchip Technology

Tóm tắt các sản phẩm được đề xuất

What is the operating frequency of SPC5643LF2MLQ1?

The SPC5643LF2MLQ1 runs its dual e200z4 cores at up to 120 MHz. According to the NXP MPC5643L datasheet, this frequency is derived from the system clock and applies to both cores simultaneously, with the peripheral bus (IPBus) typically clocked at one-half of the CPU frequency. The 120 MHz rating is guaranteed over the full -40 °C to +125 °C automotive temperature range.

How much Flash memory does SPC5643LF2MLQ1 have?

The SPC5643LF2MLQ1 integrates 1 MB of on-chip Flash memory (organized as 1M x 8). The Flash supports ECC for code integrity, which is mandatory for ISO 26262 functional-safety designs. The Flash array is accessible from both e200z4 cores and supports read-while-write operation, enabling live firmware updates in body and gateway ECUs.

Is SPC5643LF2MLQ1 AEC-Q100 qualified?

Yes, the SPC5643LF2MLQ1 is qualified to the AEC-Q100 automotive reliability standard and operates from -40 °C to +125 °C. The 'Q1' suffix in the MPN is NXP's automotive grade designation. According to the NXP product page, this part is suitable for under-hood, body, and chassis applications where AEC-Q100 stress test profiles and extended temperature are required.

Where can I buy SPC5643LF2MLQ1 online?

The SPC5643LF2MLQ1 is currently stocked at major distributors including DigiKey (part number 3743243), Mouser, LCSC (from $11.98), Octopart, Heisener, and Veswin, with reported stock levels ranging from a few thousand to tens of thousands of pieces as of 2026-10-10. Authorized NXP distributors provide traceable stock with full warranty coverage.

What is the price of SPC5643LF2MLQ1?

The SPC5643LF2MLQ1 unit price ranges from approximately $11.98 at LCSC for higher volumes to $32.29 at Heisener for low-quantity orders, as of 2026-10-10. NXP-authorized distributors such as DigiKey and Mouser typically list the part in the $25-$35 range for single-piece purchases, reflecting the AEC-Q100 automotive grade and dual-core architecture premium.

What is the lead time for SPC5643LF2MLQ1?

As of 2026-10-10, Heisener reports immediate shipping capability with delivery dates of Jul 28 - Aug 2 from the order date, while DigiKey lists the part as 'ships today'. Lead times for NXP automotive MCUs typically range from stock to 8-12 weeks at volume; designers should confirm current lead time with their distributor before committing to a production schedule.

What package does SPC5643LF2MLQ1 use?

The SPC5643LF2MLQ1 uses a 144-pin LQFP package measuring 20x20 mm with 0.5 mm pitch. According to the NXP datasheet, this is a low-profile quad flat pack with gull-wing leads suitable for standard SMT reflow processes. The package exposes a generous number of I/O pins required for automotive ECU applications.

Where can I download the SPC5643LF2MLQ1 datasheet PDF?

The official SPC5643LF2MLQ1 datasheet PDF is published by NXP at the MPC5643L product page. Mirror copies are also available from all datasheet.com, alldatasheet.com (136-page document), and digchip.com. The document covers electrical characteristics, pinout, peripheral programming, and application schematics for the MPC5643L family.

Where can I find the SPC5643LF2MLQ1 pinout?

The complete 144-pin pinout for the SPC5643LF2MLQ1 is provided in the NXP MPC5643L datasheet in the 'Pinout and Signal Description' chapter. It lists each pin number, its primary function (e.g., GPIO, CAN_TX, ADC input), and alternate functions. Pin 1 is located at the top-left of the LQFP package as marked by the dot indicator.

What is the difference between SPC5643LF2MLQ1 and SPC56EL60L5CBFSY?

The SPC5643LF2MLQ1 is a 1 MB Flash, 120 MHz dual-core e200z4 device for general automotive body and gateway ECUs, while the SPC56EL60L5CBFSY belongs to the SPC56EL60xx family targeted at electric power steering (EPS) and other SIL-rated chassis applications. Both share the MPC56xx Power Architecture lineage but differ in peripheral mix, safety features, and software ecosystem. Verify pin compatibility before substituting in chassis designs.

SPC5643LF2MLQ1 vs SPC560P44L3CEFAR - which is better for a body ECU?

The SPC5643LF2MLQ1 is the better choice for a high-performance body or gateway ECU: it offers 1 MB Flash versus 448 KB on the SPC560P44L3CEFAR, dual e200z4 cores versus single-core, and 120 MHz versus 64 MHz. The SPC560P44L3CEFAR is suited to lower-cost body applications (e.g., simple lighting or seat controllers) where single-core performance is sufficient. They use different packages, so PCB redesign is required to migrate.

When should I choose SPC5643LF2MLQ1 over SPC5602BAVLL4?

Choose the SPC5643LF2MLQ1 when your design requires dual-core lockstep for ISO 26262 functional safety, 1 MB Flash for large AUTOSAR stacks, or 120 MHz CPU throughput for gateway and chassis ECUs. The SPC5602BAVLL4 is appropriate for cost-sensitive body modules without dual-core safety requirements. Both share the MPC56xx family heritage, easing firmware portability between them.

What is the best drop-in replacement for SPC5643LF2MLQ1?

The closest drop-in replacements for the SPC5643LF2MLQ1 in the same 144-LQFP footprint are other MPC5643L family members such as the SPC5643LF2MLQ1R (reel-packaged variant) and the GPC5643LF2MLQ1 (general-purpose grade). According to NXP's product page, both share the same die and pinout. For functionally equivalent alternatives with the same package, the MPC5642A family is a closely related but not pin-identical option - verify the pinout before substituting.

What are the key specifications of SPC5643LF2MLQ1 that automotive engineers should know?

Key specifications: dual e200z4 Power Architecture cores at 120 MHz, 1 MB ECC Flash, 144-LQFP package (20x20 mm, 0.5 mm pitch), AEC-Q100 automotive qualified, -40 °C to +125 °C operating range, dual-power architecture with internal voltage regulator. According to the NXP datasheet, the peripheral set includes multiple FlexCAN modules, DSPI, eMIOS timers, and 12-bit ADC channels. This combination targets automotive body, gateway, and chassis ECUs.

Dữ liệu tham khảo kỹ thuật cho SPC5643LF2MLQ1 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose the SPC5643LF2MLQ1 when your design requires dual-core lockstep for ISO 26262 ASIL-B functional safety, 1 MB ECC Flash for AUTOSAR communication stacks plus diagnostics, and 120 MHz CPU throughput across automotive body, gateway, or chassis ECU domains. The 144-LQFP package provides ample I/O for multi-CAN and SPI peripheral connections typical of central body or gateway modules. Choose the SPC5602BAVLL4 for cost-sensitive single-core body modules without lockstep requirements, or the SPC560P44L3CEFAR when 448 KB Flash and 64 MHz are sufficient for entry-level BCMs. The SAK-TC234LP-32F200N (Infineon AURIX) is the cross-brand migration path when higher CPU frequency (200 MHz) and SIL-3 capability are required, though it requires full firmware re-validation. For chassis-domain applications targeting electric power steering, the SPC56EL60L5CBFSY offers EPS-targeted features within the same MPC56xx family.

So sánh với các sản phẩm thay thế

Tham số	Sản phẩm này	SPC5643LF2MLQ1R	GPC5643LF2MLQ1	SPC56EL60L5CBFSY	SAK-TC234LP-32F200N
Package	144-LQFP (20x20 mm)	144-LQFP (20x20 mm) - same	144-LQFP (20x20 mm) - same	144-LQFP (20x20 mm) - same physical, verify pinout	LQFP-144 - same physical, different pinout
Brand	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors	Infineon
Core Architecture	Power Architecture e200z4 (dual-core)	Power Architecture e200z4 (dual-core)	Power Architecture e200z4 (dual-core)	Power Architecture e200z4 (dual-core)	TriCore AURIX TC234L (single-core)
Core Count	2	2	2	2	1 (single-core, with lockstep companion on multi-core variants)
Automotive Grade	AEC-Q100 (Q1 suffix)	AEC-Q100	General-purpose (GP prefix, not automotive)	AEC-Q100	AEC-Q100

Bảo phân biệt quan trọng

Dual-core Power Architecture e200z4 in 144-LQFP (vsSPC5602BAVLL4)
1 MB ECC Flash for AUTOSAR stacks (vsSPC560P44L3CEFAR)
Automotive-grade screening (AEC-Q100, Q1 suffix) (vsGPC5643LF2MLQ1)
MPC56xx family heritage with extensive automotive ecosystem (vsSAK-TC234LP-32F200N (Infineon AURIX))

Ghi chú thiết kế

The SPC5643LF2MLQ1 uses NXP's dual-power architecture: the internal core voltage is generated by an on-chip regulator that requires an external NPN ballast transistor (e.g., BCP68T1G) on the VDDR pin, plus a 4.7 µF decoupling capacitor. The VDD_HV pins (5 V or 3.3 V I/O supply) need bulk decoupling (10 µF tantalum + 100 nF ceramic) at each pair. Failing to provide the external ballast will prevent the core voltage regulator from starting and the MCU will not boot. Refer to the MPC5643L reference schematic for the exact ballast transistor part number and PCB footprint.

Estimated: at 120 MHz, switching currents on the SPC5643LF2MLQ1 can reach 200-300 mA peak with 5-10 ns edge rates. Place one 100 nF X7R 0402/0603 ceramic bypass within 2 mm of every VDD/VSS pin pair, plus four 10 µF X5R bulk capacitors distributed around the package. Use a continuous ground plane on layer 2 directly under the LQFP - never route signals under the package. The 0.5 mm pitch LQFP requires precise solder paste deposition (stencil apertures of 0.4 mm with 0.05 mm wall thickness) for reliable reflow.

Three pitfalls: (1) both e200z4 cores must be initialized correctly in the startup code - the secondary core remains in reset until released by the primary core; (2) the JTAG/DEBUG pins share functions with GPIO and require careful mux configuration to avoid locking out debug access; (3) the Flash ECC must be enabled before any code execution from Flash, otherwise unexpected resets may occur. Always load the proper BAM (Boot Assist Module) and disable the watchdog during early bring-up to avoid bricking.

The FlexCAN bus requires a 120 Ω termination resistor at each end of the bus, plus common-mode choke for AEC-Q100 EMI compliance. Keep CAN traces under 1/4 of the signal rise time delay length, and route them over a continuous ground plane separated by at least 4x the trace width from other signals. For SPI buses to peripherals, add 33 Ω series damping resistors at the driver output if the trace length exceeds 50 mm. The RESET line is noise-sensitive - place a 1 nF capacitor and 10 kΩ pull-up on it, and keep it short and guarded.

Thông tin tuân thủ

RoHS

Compliant

REACH

Compliant

AEC-Q100

Qualified

Không chì

Yes

Không halogen

Unknown

Khoáng vật xung đột

Compliant

AEC-Q100 qualified per the Q1 suffix in the MPN; RoHS and REACH compliant per NXP product page. Halogen-free status not explicitly stated in retrieved web data - verify with NXP material declaration if required.

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