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NXP Semiconductors MCZ33298EGR2
- Part No.:
- MCZ33298EGR2
- Manufacturer:
- NXP Semiconductors
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MCZ33298EGR2.pdf
- Description:
- IC PWR SWITCH N-CHAN 1:8 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,308
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Product details
Overview
MCZ33298EGR2 from NXP Semiconductors (formerly Freescale) is an eight-channel low-side power switch IC with SPI serial interface, designed for automotive load control. It integrates eight independent DMOS output transistors (RDS(ON) ≤ 0.4 Ω @ 25°C, VPWR = 13 V), supports 5.5–26.5 V supply range, delivers up to 3.0 A transient sink per channel, and reports faults via tri-state SO pin - used in solenoid, relay, lamp, and small DC motor control.
For engineers reviewing the MCZ33298EGR2 datasheet, MCZ33298EGR2 pinout, MCZ33298EGR2 application, or MCZ33298EGR2 equivalent, key selection considerations include its 24-pin SOICW Pb-free package, 2.0 MHz guaranteed SPI operation (up to 8.5 MHz at 25°C), open-load detection on OFF outputs, over-temperature/over-current fault reporting, and 65 V output clamp voltage during inductive switching.
Technical Context
The MCZ33298EGR2 implements a synchronous 8-bit serial-in/parallel-out shift register driving eight independent low-side DMOS switches. Each output features dedicated over-temperature, over-current, and open-load detection circuitry with fault status reported serially via SO pin under CS control.
It uses SMARTMOS™ mixed-technology integration: CMOS logic for serial control, bipolar/MOS analog monitoring, and double-diffused MOS (DMOS) power transistors. No internal charge pump is required - logic-level gate drive enables full conduction with VDD ≤ 5.0 V, supporting direct interfacing with 5 V microcontrollers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output count | Eight independent low-side switches with individual fault reporting |
| RDS(ON) max | 0.4 Ω @ 25°C, VPWR = 13 V - enables <1 W dissipation per channel at 0.5 A continuous |
| SPI clock rate | 2.0 MHz guaranteed, up to 8.5 MHz @ 25°C - supports fast MCU command throughput |
| Supply range | VPWR: 5.5–26.5 V; VDD: 4.5–5.5 V - compatible with 12 V/24 V automotive battery systems |
| Fault reporting | SO pin reports over-voltage, over-temperature, short-to-battery, and OFF open-load conditions |
| Output clamp voltage | 50–75 V (typ. 60 V) - protects against inductive kickback up to 0.5 A |
| Thermal shutdown | 155–185 °C junction threshold with 10–20 °C hysteresis - prevents thermal runaway |
Pinout & Package
MCZ33298EGR2 is housed in a 24-pin SOICW (wide-body) Pb-free surface-mount package (suffix EG), with 0.635 mm lead pitch and exposed thermal pad. Pin 1 is OP7; pin 24 is OP0. Ground pins occupy positions 5–8 and 17–20 (eight total) for enhanced thermal dissipation and noise immunity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OP0–OP7 | Low-side output drains | Eight independent open-drain NMOS outputs capable of sinking up to 3.0 A transient current each |
| VPWR | Power MOSFET supply | Drives output transistor gates; accepts 5.5–26.5 V input; decoupling required near pin |
| VDD | Logic supply | 5 V ±10 % digital core supply; powers SPI interface and shift register |
| SCLK, SI, SO, CS | SPI interface signals | Fully compliant with standard 3-wire SPI protocol; SO is tri-stateable under CS control |
| RST | Active-low reset | Clears internal shift register and forces all outputs OFF; requires ≥250 ns low pulse |
| SFPD | Short-fault protect disable | When pulled high (5.0 V), disables latching-off during over-current; when grounded, enables shutdown |
| GND (pins 5–8, 17–20) | Power ground | Eight dedicated ground connections provide low-impedance return path and thermal conduction |
Key Features
| Feature | Design Value |
|---|---|
| Wide VPWR operating range | 5.5–26.5 V supports 12 V and 24 V automotive systems without external regulators |
| Output current limiting | Self-limiting 3.0–6.0 A per channel accommodates incandescent lamp in-rush currents |
| Open-load detection | Reports OFF-state open loads via SO pin - enables diagnostics without external sensing |
| Low standby current | Max 25 µA IPWR in sleep state - critical for always-on automotive modules |
| Inductive load protection | Integrated 65 V clamp with 100 mJ repetitive energy rating - eliminates need for external TVS |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Output Stage |
|---|---|
|
Use Scenario: Controlling door locks, interior lighting, and seat actuators in modern BCMs. IC Role / Device Role / Timing Role: Low-side switch translating MCU SPI commands into 12 V load actuation with real-time fault feedback. Use Value: Replaces discrete driver + protection circuits; reduces BOM count while enabling diagnostic logging of open/short faults. |
Use Scenario: Driving solenoid valves and indicator lamps in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Serial I/O expander providing eight isolated, protected outputs with daisy-chain capability. Use Value: Enables compact, scalable I/O design using only four MCU pins (CS/SCLK/SI/SO) instead of 12 parallel lines. |
| Truck & Bus Lighting System | Off-Highway Equipment Control |
|
Use Scenario: Managing headlight, fog light, and marker lamp loads subject to wide battery voltage swings (9–32 V). IC Role / Device Role / Timing Role: High-voltage-tolerant low-side driver with built-in over-voltage shutdown (28–36 V) and thermal foldback. Use Value: Survives load-dump transients without external clamping; maintains functionality across cold-crank (5.5 V) to alternator-overvoltage events. |
Use Scenario: Controlling hydraulic solenoids and warning beacons in construction and agricultural machinery. IC Role / Device Role / Timing Role: Ruggedized power switch with -40°C to +125°C ambient rating and 150°C junction limit. Use Value: Eliminates need for external heat sinks at 0.5 A continuous per channel; simplifies conformal coating and enclosure design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-side power switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33880DW | 8-channel, 3.0 A peak, but uses parallel control (not SPI); no SO fault reporting | Lacks serial diagnostics; suited for simpler systems where MCU GPIO count is sufficient | Choose when SPI interface and fault visibility are not required, and PCB layout favors parallel routing |
| TPS27082LPRSLR | Single-channel, 2.8 A, I²C interface, integrated current sense; no open-load detection | Requires eight devices for same channel count; offers precision current measurement instead of fault flags | Prefer when per-channel current monitoring is critical and board space allows multi-chip solution |
Compared with MC33880DW and TPS27082LPRSLR, the MCZ33298EGR2 uniquely combines eight channels, SPI serial control, comprehensive fault reporting (including OFF open-load), and automotive-grade ruggedness in a single 24-pin SOICW package - making it optimal for space-constrained, diagnostic-capable systems.
Availability
MCZ33298EGR2 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC output stages, and off-highway equipment control requiring stable component supply, long lifecycle support, and AEC-Q100-aligned reliability.
Supply support for MCZ33298EGR2 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 automotive, industrial, and IoT applications, delivering secure, energy-efficient, and highly integrated solutions.
The MCZ33298EGR2 belongs to NXP's SMARTMOS™ automotive power switch family, engineered specifically for intelligent, fault-aware control of resistive and inductive loads in harsh environments - emphasizing diagnostic capability, thermal robustness, and system-level safety.
FAQ
What is the maximum continuous current per channel for MCZ33298EGR2?
The MCZ33298EGR2 supports 0.5 A continuous current per output when all eight channels are simultaneously ON and mounted on a typical PCB. Higher per-channel current is possible with fewer active outputs or improved thermal design - up to 1.0 A continuous per channel with adequate heatsinking and ambient derating.
Does MCZ33298EGR2 require an external charge pump for gate drive?
No, the MCZ33298EGR2 does not require an external charge pump. Its DMOS output transistors are logic-level devices fully enhanced with VDD ≤ 5.0 V, enabling direct interface with standard 5 V microcontrollers without additional voltage boosting circuitry.
How does MCZ33298EGR2 report an open-load condition?
The MCZ33298EGR2 reports OFF-state open-load faults via its SO pin when CS is asserted. It measures leakage current through the load; if below 30–100 µA (per Table 5), the SO pin asserts a fault flag. This feature operates only when the corresponding output is commanded OFF.
Can multiple MCZ33298EGR2 devices be daisy-chained?
Yes, MCZ33298EGR2 supports daisy-chaining via its SPI interface: SI of device N connects to SO of device N−1, with shared SCLK, CS, and RST lines. This configuration allows control of 32+ loads using only four MCU pins plus one dedicated CS line per chain segment.
What is the purpose of the SFPD pin on MCZ33298EGR2?
The SFPD (Short Fault Protect Disable) pin on MCZ33298EGR2 determines over-current response behavior. When grounded, an over-current event causes the affected output to latch OFF after 25–100 ms. When pulled to 5.0 V, the output remains in current-limit mode without shutdown - useful for managing in-rush surges in lamp loads.
MCZ33298EGR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Type:
- General Purpose
- Number of Outputs:
- 8
- Ratio - Input:Output:
- 1:8
- Output Configuration:
- Low Side
- Output Type:
- N-Channel
- Interface:
- SPI
- Voltage - Load:
- 5.5V ~ 26.5V
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Current - Output (Max):
- 3A
- Rds On (Typ):
- 350mOhm
- Input Type:
- -
- Features:
- -
- Fault Protection:
- Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-SOIC
MCZ33298EGR2 FAQ
1.How can I place an order for MCZ33298EGR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MCZ33298EGR2 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 MCZ33298EGR2 reliable?
The price and inventory of MCZ33298EGR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCZ33298EGR2 is usually 5 days.
3.What payment methods are accepted for MCZ33298EGR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCZ33298EGR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCZ33298EGR2?
MCZ33298EGR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCZ33298EGR2 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 MCZ33298EGR2?
For technical support, including MCZ33298EGR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCZ33298EGR2 requirements.
6.How does Aetrix verify that MCZ33298EGR2 is sourced from the original manufacturer or authorized distributors?
All MCZ33298EGR2 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 MCZ33298EGR2 meets industry standards.
7.What is the process for return or replacement of MCZ33298EGR2?
All MCZ33298EGR2 units undergo pre-shipment inspection (PSI). If there is an issue with MCZ33298EGR2, 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 MCZ33298EGR2 part is unused and in its original packaging.
Return procedure for MCZ33298EGR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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