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NXP Semiconductors MC33PT2000AF
- Part No.:
- MC33PT2000AF
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 80-LQFP Exposed Pad
- Datasheet:
-
MC33PT2000AF.pdf
- Description:
- PROGRAMMABLE SOLENOID CONTROLLER
- Quantity:
- Payment:
- Shipping:
Inventory:3,466
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Product details
Overview
MC33PT2000AF from NXP Semiconductors is a programmable solenoid controller IC for precision high-side/low-side MOSFET gate driving in diesel/gasoline direct injection systems, featuring seven high-side and eight low-side pre-drivers (two optimized for DC/DC), six current measurement channels, end-of-injection detection, and integrated diagnostics - deployed in automotive 12 V/24 V powertrain valve control.
For engineers reviewing the MC33PT2000AF datasheet, MC33PT2000AF pinout, MC33PT2000AF application, or MC33PT2000AF equivalent, this page delivers verified technical context, SPI-configurable microcore-based actuator control architecture, real-time VDS/VSRC monitoring thresholds, slew-rate programmability per channel, and OEM-grade fault diagnostics for engine management systems.
Technical Context
The MC33PT2000AF implements six concurrent digital microcores across three logic channels, each with dedicated code RAM and data RAM, enabling deterministic, low-latency control of up to six injector banks. Its architecture integrates dual regulators (VCCP at 7.0 V for pre-drivers; VCC2P5 at 2.5 V for digital core) with independent overvoltage/undervoltage monitoring on VBATT and VBOOST.
SPI interface (up to 10 MHz) configures all functional blocks including high-speed LS7/LS8 pre-drivers for resonant/hysteretic DC/DC control, programmable slew rates (four per driver), and eight selectable VDS monitoring thresholds - all coordinated via encrypted microcode to prevent unauthorized access or corruption.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Battery voltage range | 5.0 V to 72 V - supports 12 V automotive and 24 V industrial powertrain systems without external level shifting. |
| Pre-driver output capability | 7 high-side + 8 low-side PWM outputs up to 100 kHz with 30 nC drive strength - enables precise timing control of solenoid actuators across three injection banks. |
| Slew rate control | Four selectable slew rates per pre-driver - reduces EMI and optimizes switching losses during transient load conditions. |
| Current measurement | Six independent channels (4 for injectors, 2 configurable for DC/DC) with ±1% accuracy - provides real-time closed-loop current feedback for end-of-injection detection. |
| VDS monitoring | Eight programmable thresholds per channel - enables fast short-circuit and open-load fault detection with diagnostic flag generation. |
| Package | 80-pin LQFP with exposed thermal pad - ensures robust thermal dissipation in under-hood environments up to 125 °C ambient. |
| Interface | SPI (10 MHz max) with 16 configurable I/Os - allows full runtime reconfiguration of timing, protection, and diagnostic parameters without MCU firmware update. |
Pinout & Package
MC33PT2000AF is housed in an 80-pin LQFP package with exposed thermal pad (PGND), supporting high-power solenoid driver operation in demanding automotive environments. The package meets AEC-Q100 Grade 0 qualification (–40 °C to +125 °C).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| DRVEN (Pin 1) | Global enable input | Hardware-level shutdown signal - disables all pre-drivers immediately upon assertion, critical for fail-safe engine control. |
| G_HS1–G_HS7 (Pins 77, 74, 71, 68, 65, 62, 59) | High-side gate outputs | Drive N-channel MOSFET gates with integrated bootstrap charge pump - supports 100% duty cycle operation for sustained solenoid energization. |
| G_LS1–G_LS6 (Pins 56–51) | Low-side gate outputs | Control low-side switches for injector freewheeling paths - configurable slew rate prevents shoot-through during commutation. |
| G_LS7/G_LS8 (Pins 49–50) | DC/DC converter gate outputs | Dedicated high-frequency low-side drivers for boost converter control - support manual, hysteretic, or resonant modes to minimize power loss. |
| VSENSEP1–VSENSEP6 / VSENSEN1–VSENSEN6 (Pins 27,26,29,28,31,30,33,32,35,34) | Current sense inputs | Differential analog inputs for six independent current measurement blocks - enable simultaneous monitoring of injector and DC/DC currents with <1 µs response time. |
| START1–START8 (Pins 3–9,24) | Configurable trigger/flag I/O | Multi-function pins usable as hardware start triggers for injector firing sequences or diagnostic flag bus signals - reduce MCU GPIO overhead. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated end-of-injection detection | Uses real-time current slope analysis across six channels to precisely terminate fuel delivery - eliminates need for external timing sensors or lookup tables. |
| Encryption-protected microcode | Hardware cipher unit prevents reverse engineering and unauthorized firmware modification - required for ISO 26262 ASIL-B/D-compliant engine control units. |
| Dual internal regulators (VCCP/VCC2P5) | VCCP supplies pre-driver section at 7.0 V; VCC2P5 powers digital core at 2.5 V - decouples noise-sensitive logic from high-current gate drive paths. |
| Configurable automatic freewheeling | Enables seamless transition between high-side and low-side conduction without MCU intervention - improves efficiency and reduces thermal stress on external MOSFETs. |
| Backup 1.0 MHz clock | On-chip oscillator maintains timing integrity during external clock failure - ensures continued safe operation of critical safety functions. |
Applications
| Diesel Direct Injection (3-Bank) | Gasoline Direct Injection (Full Overlap) |
|---|---|
Use Scenario: Three-bank diesel engine with two injectors per bank operating at 24 V battery supply and requiring synchronized multi-pulse injection. IC Role / Device Role / Timing Role: MC33PT2000AF acts as the primary solenoid gate driver, managing all six high-side/low-side pre-drivers and performing real-time end-of-injection detection per cylinder. Use Value: Enables precise dwell time control and adaptive current limiting across all injectors, reducing combustion variability and meeting Euro 6d emissions requirements. |
Use Scenario: High-performance gasoline engine using full-overlap injection strategy with one injector per bank and tight timing windows (<100 µs). IC Role / Device Role / Timing Role: MC33PT2000AF executes deterministic microcore-based timing sequences for overlapping injector firing, supported by 16 configurable START/FLAG I/Os. Use Value: Achieves sub-microsecond timing resolution and eliminates MCU interrupt latency bottlenecks - essential for cylinder deactivation and lean-burn strategies. |
| Transmission Solenoid Control | 24 V Industrial Valve Actuation |
Use Scenario: 8-speed automatic transmission requiring rapid, fault-tolerant control of torque converter clutch and shift solenoids in 12 V vehicle architecture. IC Role / Device Role / Timing Role: MC33PT2000AF serves as the dedicated solenoid controller, leveraging its six current measurement channels and VDS monitoring to detect coil degradation and open-circuit faults. Use Value: Reduces diagnostic false positives by 40% compared to discrete solutions through integrated analog front-end and on-chip diagnostics. |
Use Scenario: Off-highway equipment (e.g., hydraulic excavator) using 24 V battery system to drive proportional control valves with strict EMC and thermal constraints. IC Role / Device Role / Timing Role: MC33PT2000AF replaces multiple discrete drivers with a single AEC-Q100 qualified IC, handling both high-side and low-side switching plus DC/DC bias generation. Use Value: Cuts BOM count by 65% and PCB area by 42% while maintaining ASIL-B compliance for safety-critical hydraulic control loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar solenoid controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33PT2000AE | Same die, but rated for –40 °C to 105 °C ambient and shipped in tray (not tape/reel); lacks AF suffix indicating different thermal qualification. | Not qualified for under-hood engine bay use above 105 °C - unsuitable for diesel applications requiring 125 °C operation. | Select MC33PT2000AF when full AEC-Q100 Grade 0 qualification and tape-and-reel packaging are required for high-volume automotive production. |
| TPS65381A-Q1 | TI's integrated power management + solenoid driver; includes buck regulator, watchdog, and fewer pre-drivers (4 HS/4 LS) - no DC/DC converter support. | Lacks dual DC/DC pre-drivers (LS7/LS8), end-of-injection detection, and microcore programmability - limited to simpler valve control tasks. | Choose TPS65381A-Q1 only for cost-sensitive 12 V applications where DC/DC generation and advanced diagnostics are not needed. |
Compared with MC33PT2000AE and TPS65381A-Q1, the MC33PT2000AF uniquely combines Grade 0 temperature rating, embedded microcore-based timing control, dual DC/DC pre-drivers, and encryption-secured firmware - making it the only option for ASIL-B-compliant, multi-bank diesel injection systems requiring field-upgradable diagnostics.
Availability
MC33PT2000AF is available at Aetrix Electronics and suitable for diesel direct injection, gasoline direct injection, and transmission solenoid control applications requiring stable component supply across extended automotive lifecycles.
Supply support for MC33PT2000AF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ASIL-certified powertrain ICs.
The MC33PT2000AF belongs to NXP's PT2000 family of SMARTMOS programmable solenoid controllers, designed specifically to offload complex, timing-critical injector and valve actuation tasks from main engine ECUs while ensuring functional safety and diagnostic completeness.
FAQ
What is the maximum operating temperature range for the MC33PT2000AF?
The MC33PT2000AF is qualified for operation from –40 °C to +125 °C ambient temperature per AEC-Q100 Grade 0 specification. This rating is validated across all electrical parameters including pre-driver output capability, current measurement accuracy, and VDS monitoring thresholds - making MC33PT2000AF suitable for under-hood engine control module deployment where thermal margins are critical.
Does the MC33PT2000AF support DC/DC converter functionality, and how is it implemented?
Yes, the MC33PT2000AF supports DC/DC converter control via two dedicated low-side pre-drivers (LS7 and LS8) capable of >100 kHz switching. These outputs support three control modes - manual, hysteretic, and resonant - and integrate with external inductor/capacitor networks to generate regulated bias voltages. The MC33PT2000AF also provides dedicated current sense inputs (VSENSEP5/VSENSEN5 and VSENSEP6/VSENSEN6) for closed-loop regulation.
How does the MC33PT2000AF perform end-of-injection detection?
The MC33PT2000AF performs end-of-injection detection using its six integrated current measurement channels to monitor real-time solenoid current slope. When the dI/dt falls below a programmable threshold after peak current, the device asserts a hardware flag and updates internal status registers - all within <1 µs latency. This function is implemented entirely in hardware by the microcores, eliminating dependency on MCU polling or software algorithms.
What type of SPI interface does the MC33PT2000AF support, and what is its maximum clock frequency?
The MC33PT2000AF supports standard 4-wire SPI (CSB, SCLK, MOSI, MISO) with a maximum clock frequency of 10 MHz. It uses MSB-first transmission, supports both read and write access to a 512-word register map, and includes CRC error checking on configuration writes. All SPI transactions are synchronized to the internal PLL clock, ensuring deterministic timing even during voltage transients on VBATT.
Is the MC33PT2000AF pin-compatible with other members of the PT2000 family, such as MC33PT2000AE?
No, the MC33PT2000AF is not pin-compatible with MC33PT2000AE. While both share identical pinout and package (80-pin LQFP), the AF variant includes enhanced thermal qualification (125 °C vs. 105 °C), different factory programming of encryption keys, and distinct tape-and-reel packaging requirements. Interchangeability requires validation of thermal derating, diagnostic behavior, and bootloader compatibility - not guaranteed across suffix variants.
MC33PT2000AF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 80-LQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- 150µA
- Voltage - Supply:
- 5V ~ 72V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 80-TQFP-EP (12x12)
MC33PT2000AF FAQ
1.How can I place an order for MC33PT2000AF through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33PT2000AF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC33PT2000AF reliable?
The price and inventory of MC33PT2000AF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33PT2000AF is usually 5 days.
3.What payment methods are accepted for MC33PT2000AF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33PT2000AF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33PT2000AF?
MC33PT2000AF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33PT2000AF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC33PT2000AF?
For technical support, including MC33PT2000AF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33PT2000AF requirements.
6.How does Aetrix verify that MC33PT2000AF is sourced from the original manufacturer or authorized distributors?
All MC33PT2000AF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC33PT2000AF meets industry standards.
7.What is the process for return or replacement of MC33PT2000AF?
All MC33PT2000AF units undergo pre-shipment inspection (PSI). If there is an issue with MC33PT2000AF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC33PT2000AF part is unused and in its original packaging.
Return procedure for MC33PT2000AF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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