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MCZ33812EK
NXP USA Inc.
IC DVR IGNITION/INJECTOR 32-SOIC
1543 Pcs New Original In Stock
PMIC 32-SOIC-EP
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*Quantity
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Minimum 1
5.0 / 5.0
- (480 Ratings)
MCZ33812EK
Product Overview
7241687
DiGi Electronics Part Number
MCZ33812EK-DGManufacturer
NXP USA Inc.
MCZ33812EK
Description
IC DVR IGNITION/INJECTOR 32-SOICInventory
1543 Pcs New Original In Stock
PMIC 32-SOIC-EP
Quantity
Minimum 1
Minimum 1
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MCZ33812EK Technical Specifications
Category
Power Management (PMIC), Power Management - Specialized
Packaging
-
Series
-
Product Status
Discontinued at Digi-Key
Applications
-
Current - Supply
10mA
Voltage - Supply
4.7V ~ 36V
Operating Temperature
-40°C ~ 125°C
Grade
Automotive
Mounting Type
Surface Mount
Package / Case
32-SSOP (0.295", 7.50mm Width) Exposed Pad
Supplier Device Package
32-SOIC-EP
Base Product Number
MCZ33812
Datasheet & Documents
HTML Datasheet
MCZ33812EK-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
935309861574
Standard Package
42
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
구매한 제품이 예상보다 훨씬 튼튼해서 계속 활용하고 있습니다. 오랜 시간 사용해도 문제가 없어서 매우 만족해요.
de desembre 02, 2025
Die Logistikarbeiten sind bei DiGi Electronics wirklich effizient organisiert. Meine Bestellungen treffen immer zuverlässig ein.
de desembre 02, 2025
素早い発送のおかげで、すぐに制作活動を開始できて助かりました。
de desembre 02, 2025
My experience was greatly enhanced by their quick shipping and professional team.
de desembre 02, 2025
Delivery was impressively fast, with updates that kept me informed throughout.
de desembre 02, 2025
Reliability and quality are at the core of DiGi Electronics' values.
de desembre 02, 2025
I find their pricing to be fair and perfectly transparent, which simplifies my shopping.
de desembre 02, 2025
I recommend DiGi Electronics for their unwavering focus on quality and customer care.
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Frequently Asked Questions (FAQ)
What are the key design risks when integrating the NXP MCZ33812EK in a high-temperature automotive environment near 125°C?
When integrating the NXP MCZ33812EK in high-temperature environments near its 125°C operating limit, thermal runaway and reduced long-term reliability are primary risks. The device lacks internal thermal shutdown, so external PCB thermal management—such as adequate copper pour and use of the exposed pad—is critical. Monitor junction temperature using ambient measurements and derate supply voltage or duty cycle if sustained high loads are expected. Always verify thermal performance under worst-case conditions, especially in under-hood applications where ambient can exceed 105°C.
How does the MCZ33812EK compare to the MC33812EK in terms of design compatibility and potential replacement challenges?
The NXP MCZ33812EK and MC33812EK are functionally similar and often used interchangeably, but pin-to-pin and timing compatibility must be verified. Key differences include updated qualification standards and potential variations in ESD tolerance or transient response under cold-cranking conditions. When replacing MC33812EK with MCZ33812EK, confirm ignition coil drive timing and diagnostic feedback behavior in your application, especially if used with legacy engine control algorithms. Check NXP's migration documentation to assess any required firmware or external component adjustments.
What precautions should be taken when using the MCZ33812EK in a 12V automotive system with load dump transients up to 40V?
Although the MCZ33812EK supports up to 36V supply voltage, automotive load dump events can exceed this level (up to 40V), risking device failure. Since the MCZ33812EK has no built-in clamp above 36V, add external transient voltage suppression (TVS) diodes on the VCC line rated for ISO 7637-2 Pulse 5. Use a TVS with a breakdown voltage of ~38V and sufficient peak pulse power handling. Ensure PCB layout minimizes inductance in the protection path to prevent voltage overshoot beyond the IC’s absolute maximum rating.
Can the MCZ33812EK reliably drive high-side ignition coils in modern DIS (Distributorless Ignition Systems), and what are the drive capability limitations?
Yes, the NXP MCZ33812EK can drive high-side ignition coils in DIS configurations, but its output drive strength must be evaluated against coil requirements. The device provides up to 1.9A peak sink/source current, suitable for most inductive ignition loads. However, for coils with high inductance (>10mH) or fast turn-off requirements, verify that the internal clamping and decay control meet spark energy and duration targets. Poorly tuned decay timing may cause excessive voltage ringing or reduced spark efficiency. Simulate or measure coil current fall time and use external zener clamps if faster energy dissipation is needed.
What are the reliability concerns when sourcing the discontinued MCZ33812EK from non-franchised suppliers for long-term production?
Since the MCZ33812EK is discontinued at Digi-Key, long-term reliability risks include counterfeit parts, inconsistent MSL (Moisture Sensitivity Level 3) compliance, and potential obsolescence-related quality variance. Only source from trusted suppliers with full traceability and original packaging. Perform incoming inspection for marking authenticity, reballing signs, and moisture exposure. Consider lifetime buy strategies or evaluate alternatives like the NCV7528 or newer digital ignition drivers. Maintain compatibility testing protocols to ensure drop-in replacements perform reliably under temperature cycling and EMI conditions.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MCZ33812EK CAD Models
NXP USA Inc. MCZ33812EK PCB symbols & footprints
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