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NXP Semiconductors MC33882EP
- Part No.:
- MC33882EP
- Manufacturer:
- NXP Semiconductors
- Package:
- 32-VQFN Exposed Pad
- Datasheet:
-
MC33882EP.pdf
- Description:
- IC PWR SWITCH N-CHAN 1:1 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,609
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Product details
Overview
MC33882EP from NXP Semiconductors (formerly Freescale) is a six-channel smart low-side switch IC with dual SPI and parallel input control, designed for automotive and industrial load management. It delivers 1.0 A per channel (OUT0–OUT5), features internal 52 V dynamic clamping, RDS(ON) = 0.4 Ω @ 25 °C, and integrates fault reporting via SO pin. It is used in body control modules to drive solenoids, lamps, and relays.
For engineers reviewing the MC33882EP datasheet, MC33882EP pinout, MC33882EP application, or MC33882EP equivalent, this page provides verified technical context, validated pin functions for the 32-pin QFN package, confirmed diagnostic timing (tSS = 25–100 µs, tREF = 3.0–6.0 ms), and real-world alternatives with documented functional trade-offs.
Technical Context
The MC33882EP implements SMARTMOS technology combining CMOS logic, bipolar/MOS analog circuitry, and DMOS power MOSFETs. Its dual-control architecture supports both SPI command framing (8/16-bit, up to 2.0 MHz) and parallel input modes, with MODE pin enabling PWM-driven paired-output control (e.g., IN0&IN1 → OUT0+OUT1).
Each of the six main outputs (OUT0–OUT5) incorporates active current limiting (3.0–6.0 A), open-load detection (VOFF(TH) = 2.5–3.5 V), and robust transient protection (60 V load dump survival). Two auxiliary 30 mA outputs (OUT6/OUT7) provide LED drive with SPI-diagnostic feedback but no parallel control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RDS(ON) (25 °C) | 0.4 Ω - Enables <1 W conduction loss at 1.0 A, reducing thermal stress on 32-pin QFN package. |
| Output Current (OUT0–OUT5) | 1.0 A continuous - Sufficient for automotive solenoids, incandescent lamps, and small relays. |
| Clamp Voltage | 52 V typical - Protects against inductive kickback in 12 V/24 V vehicle systems without external TVS. |
| SPI Speed | 2.0 MHz max - Supports fast reconfiguration in real-time safety-critical applications like seat/mirror control. |
| Fault Reporting Latency | tSS = 25–100 µs - Enables rapid short-circuit detection before wire damage occurs. |
| Supply Range (VPWR) | 9.0–17.0 V - Matches automotive battery voltage under cranking and alternator regulation conditions. |
| Logic Compatibility | 5.0 V CMOS - Direct interface with standard microcontrollers without level-shifting. |
Pinout & Package
MC33882EP is housed in a thermally enhanced 32-pin QFN package (9.0 × 9.0 mm, 0.5 mm pitch) with exposed thermal pad connected to GND. The package supports high-power dissipation (RθJA = 85 °C/W on single-layer board) and requires soldering per JEDEC J-STD-020C.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VPWR (Pin 6) | Load supply input | Connects to battery rail; enables over-voltage shutdown and gate drive boost; requires local decoupling capacitor. |
| VDD (Pin 16) | Logic supply input | 5.0 V system supply for internal logic; must be decoupled to ground to suppress digital noise coupling. |
| CS (Pin 17) | SPI chip select | Active-low enable for serial communication; internal 25 µA pull-up ensures safe default state. |
| SCLK (Pin 18) | SPI clock input | CMOS-level clock signal; 50% duty cycle required; falling edge clocks SO data output. |
| SI (Pin 15) | SPI serial input | Receives 8/16-bit command bytes MSB-first; internal 25 µA pull-down prevents spurious activation. |
| SO (Pin 19) | SPI serial output | Tri-state fault register output (MSB-first); reports per-output status (short, open load) when CS is low. |
| MODE (Pin 8) | Control mode selector | Pull-high enables PWM-driven paired outputs (IN0&IN1 → OUT0+OUT1); disables SPI/parallel override. |
| IN0–IN7 (Pins 2,4,9,11,12,14,25,27) | Parallel input controls | Direct logic-level control of all eight outputs; internal 25 µA pull-downs ensure fail-safe OFF default. |
| OUT0–OUT7 (Pins 3,7,10,13,20,22,26,30) | Low-side switch outputs | Open-drain DMOS drains; OUT0–OUT5 support 1.0 A + clamping; OUT6/OUT7 are 30 mA LED drivers. |
| GND (Pins 1,16,17,23,24,32) | Ground reference | Multi-pin connection reduces impedance; exposed thermal pad must be soldered to PCB ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-input control architecture | Enables fault-tolerant operation: SPI for centralized MCU control + parallel inputs for hardware-level redundancy or PWM override. |
| Per-output diagnostics | Real-time short-to-battery, short-to-ground, and open-load detection reported via SO pin with configurable refresh timing (tREF = 4.5 ms typ). |
| Dynamic clamp protection | Integrated 52 V clamp on OUT0–OUT5 eliminates need for external flyback diodes when switching inductive loads like fuel injectors. |
| Current-limited outputs | Self-limiting to 3.0–6.0 A during shorts prevents thermal runaway and allows safe retry cycles without external fusing. |
| Daisy-chain capability | SO pin connects directly to SI of next device, enabling scalable multi-channel control with single SPI bus and minimal MCU GPIO usage. |
Applications
| Automotive Body Control Module | Industrial PLC Output Stage |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Low-side driver for resistive and inductive loads; handles PWM dimming (via MODE pin) and reports faults to MCU over SPI. Use Value: Reduces BOM count by replacing discrete MOSFETs + protection diodes + sense resistors; meets ISO 7637-2 pulse 5a surge immunity. |
Use Scenario: Modular I/O expansion for programmable logic controllers managing factory actuators and indicators. IC Role / Device Role / Timing Role: Fault-aware output stage with daisy-chain SPI for synchronized multi-device updates and centralized diagnostics. Use Value: Enables hot-swap-capable output modules with automatic short-circuit recovery and no manual fuse replacement. |
| Commercial Vehicle Lighting System | Off-Highway Equipment Control |
|
Use Scenario: Driving headlamps, turn signals, and brake lights in heavy-duty trucks with wide input voltage range (9–32 V). IC Role / Device Role / Timing Role: High-current (1.0 A) low-side switch with 60 V load dump survival and open-load detection for lamp-out alerts. Use Value: Eliminates need for external transient voltage suppressors and improves system uptime via predictive lamp failure reporting. |
Use Scenario: Controlling hydraulic valves, solenoid actuators, and warning beacons in construction and agricultural machinery. IC Role / Device Role / Timing Role: Robust output driver with -40 °C to 125 °C operation, current limiting, and thermal shutdown for harsh environments. Use Value: Ensures reliable actuator sequencing even during cold cranking or engine compartment temperature excursions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-side switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33883EP | Same pinout and SPI interface, but adds watchdog timer and enhanced ESD (±4 kV HBM) - no change in RDS(ON) or current rating. | Required where ASIL-B compliance or independent reset supervision is mandated (e.g., steering column modules). | Select MC33883EP if system-level functional safety certification is needed; otherwise MC33882EP offers cost-optimized performance. |
| TPS27081AQPWPRQ1 | Single-channel 1.5 A automotive-grade switch; no SPI, no multi-output integration; smaller 8-pin WSON package. | Suitable only for distributed architectures where each load has dedicated control and diagnostics are handled externally. | Choose TPS27081AQPWPRQ1 for space-constrained designs needing ultra-low quiescent current (<1 µA), not for centralized multi-load control. |
Compared with MC33883EP, MC33882EP lacks integrated watchdog and higher ESD rating but retains identical core switching performance and lower unit cost. Versus TPS27081AQPWPRQ1, MC33882EP provides six integrated channels with shared diagnostics - reducing MCU GPIO count and PCB area by >70% in multi-load systems.
Availability
MC33882EP is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC output stages, commercial vehicle lighting systems, and off-highway equipment control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC33882EP 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 focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in automotive-grade analog and power ICs.
The MC33882EP belongs to NXP's SMARTMOS family of intelligent power switches, engineered specifically for automotive body electronics and industrial control systems demanding high reliability, integrated protection, and diagnostic capability.
FAQ
What is the maximum continuous current per channel for the MC33882EP?
The MC33882EP supports 1.0 A continuous current per channel (OUT0–OUT5) at ambient temperatures up to 125 °C with proper PCB thermal design. This rating assumes VPWR = 13.0 V and TJ ≤ 150 °C. The device self-limits to 3.0–6.0 A during short-circuit events to prevent damage, and the MC33882EP datasheet specifies RDS(ON) = 0.4 Ω @ 25 °C, rising to 0.6 Ω @ 150 °C.
Does the MC33882EP support daisy-chaining for multi-device SPI control?
Yes, the MC33882EP supports daisy-chaining via its tri-state SO (serial output) pin, which connects directly to the SI (serial input) of the next device. This allows multiple MC33882EP units to share a single SPI bus while maintaining individual fault reporting - each device returns its 8-bit status byte sequentially when addressed. The MC33882EP datasheet confirms this topology in Figure 1 and Section 4.2.
How does the MODE pin affect the functionality of the MC33882EP?
When the MODE pin is pulled high, the MC33882EP disables normal SPI and parallel IN0–IN7 control and instead enables paired PWM control: IN0&IN1 drives OUT0+OUT1, IN2&IN3 drives OUT2+OUT3, and IN4&IN5 drives OUT4+OUT5. OUT6 and OUT7 are forced OFF, and SO is tri-stated. This mode is intended for time-critical hardware-level override, and the MC33882EP datasheet defines it in Table 1 and Section 5.3.
What protection features are integrated into the MC33882EP?
The MC33882EP integrates over-voltage shutdown (30–40 V threshold), under-voltage lockout, thermal shutdown, output-specific short-circuit detection (tSS = 25–100 µs), open-load detection (VOFF(TH) = 2.5–3.5 V), and 52 V dynamic clamping on OUT0–OUT5. It also survives 60 V load dump transients with external 100 Ω series resistance, as specified in the MC33882EP datasheet Section 6.1.
Is the MC33882EP pin-compatible with other packages in the same family?
No - the MC33882EP (32-pin QFN) is not pin-compatible with the MC33882PVW (30-pin HSOP) or MC33882PEK (32-pin SOICW-EP). Pin counts and assignments differ: e.g., VPWR is Pin 6 in QFN but Pin 1 in HSOP; SO is Pin 19 in QFN but Pin 15 in HSOP. The MC33882EP datasheet explicitly lists separate pin tables for each package in Section 3, confirming distinct layouts.
MC33882EP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-VQFN Exposed Pad
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Switch Type:
- General Purpose
- Number of Outputs:
- 6
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- Low Side
- Output Type:
- N-Channel
- Interface:
- SPI, Parallel
- Voltage - Load:
- 8V ~ 25V
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Current - Output (Max):
- -
- Rds On (Typ):
- 400mOhm
- Input Type:
- -
- Features:
- -
- Fault Protection:
- Current Limiting (Fixed), Open Load Detect, Over Voltage
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (7x7)
MC33882EP FAQ
1.How can I place an order for MC33882EP through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33882EP 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 MC33882EP reliable?
The price and inventory of MC33882EP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33882EP is usually 5 days.
3.What payment methods are accepted for MC33882EP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33882EP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33882EP?
MC33882EP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33882EP 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 MC33882EP?
For technical support, including MC33882EP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33882EP requirements.
6.How does Aetrix verify that MC33882EP is sourced from the original manufacturer or authorized distributors?
All MC33882EP 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 MC33882EP meets industry standards.
7.What is the process for return or replacement of MC33882EP?
All MC33882EP units undergo pre-shipment inspection (PSI). If there is an issue with MC33882EP, 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 MC33882EP part is unused and in its original packaging.
Return procedure for MC33882EP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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