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NXP Semiconductors MC15XS3400CPNA
- Part No.:
- MC15XS3400CPNA
- Manufacturer:
- NXP Semiconductors
- Package:
- 24-PowerQFN
- Datasheet:
-
MC15XS3400CPNA.pdf
- Description:
- IC PWR SWITCH N-CHAN 1:1 24PQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,789
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Product details
Overview
MC15XS3400CPNA from NXP Semiconductors is a quad high-side switch IC designed for automotive lighting control, integrating four 15 mΩ (at 25 °C) protected MOSFETs capable of driving 55 W/28 W bulbs, Xenon modules, or LEDs. It features 8.0 MHz 16-bit SPI interface, programmable slew rate per output, independent PWM control via parallel inputs or SPI, and fail-safe mode for MCU failure recovery.
For engineers reviewing the MC15XS3400CPNA datasheet, MC15XS3400CPNA pinout, MC15XS3400CPNA application, or MC15XS3400CPNA equivalent, key selection considerations include RDS(on) at 15 mΩ (25 °C), 6.0–20 V operating range with <5.0 μA standby current, SPI daisy-chain capability, analog current feedback with selectable ratio, and integrated overcurrent/overtemperature/fail-safe protection.
Technical Context
The MC15XS3400CPNA implements a digitally controlled high-side power distribution architecture with four independent gate drivers, each featuring programmable fault trip levels, inrush current duration limits, and selectable slew rates (slow/medium/fast) to optimize EMC performance. Its internal block includes a calibratable oscillator for PWM timing, analog MUX for CSNS current/temperature feedback, and watchdog logic tied to FSI input.
Functional operation supports dual control paths: direct IN[0:3] logic-level inputs for immediate output switching, and SPI-configurable registers for diagnostics, protection thresholds, and PWM parameters. Fault reporting occurs via open-drain FS pin and SPI status registers, with time-limited autoretry on overcurrent, severe short-circuit, and overtemperature events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RDS(on) (25 °C) | 15 mΩ per channel at VPWR = 13 V, enabling efficient 6 A continuous load switching with low conduction loss |
| Operating Voltage Range | 6.0–20 V fully operational; extended mode 4.0–28 V (functional but not fully specified), supporting automotive battery transients |
| SPI Interface | 8.0 MHz, 16-bit, 3.3 V/5.0 V compatible with daisy-chain capability for multi-device systems |
| Standby Current | <5.0 μA at TA = 25 °C, minimizing quiescent drain in vehicle sleep modes |
| Fault Detection | Programmable overcurrent trip levels (6.4–110 A), blanking time ≤20 μs, and time-limited autoretry for robust lamp control |
| Thermal Protection | Overtemperature shutdown at TJ = 155–195 °C with prewarning, plus thermal resistance RθJA = 30 °C/W |
| Current Sensing | Analog CSNS output with selectable ratio (e.g., 1/8700 or 1/4350), ±12–20% accuracy, and temperature drift of 0.04 %/°C |
Pinout & Package
MC15XS3400CPNA is housed in a 24-pin PQFN package (FK suffix) with exposed thermal pad, optimized for automotive under-hood thermal environments. Pin layout supports symmetric PCB routing and GND plane integration across pins 14, 17, and 23.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HS0–HS3 (pins 18, 19, 21, 22) | High-side power outputs | Protected 15 mΩ switches driving loads to VPWR; support PWM, open-load detection, and current sensing |
| IN0–IN3 (pins 2, 3, 5, 6) | Direct digital inputs | Enable immediate ON/OFF control of corresponding HSx outputs without SPI overhead |
| CSNS (pin 1) | Analog current/temperature monitor | Provides ground-referenced voltage proportional to selected HSx current or die temperature for MCU ADC sampling |
| FS (pin 7) | Fault status output | Open-drain active-low signal indicating overcurrent, overtemperature, short-to-battery, or undervoltage faults |
| FSI (pin 24) | Fail-safe input | Enables watchdog timeout; if unasserted, forces HS[0:3] into safe state per ON[0:3] register upon MCU failure |
| VPWR (pin 15) | Main power supply | Connects to battery rail (4.0–28 V); powers internal regulators and high-side drivers |
| VDD (pin 13) | Digital supply | 3.0–5.5 V supply for SPI interface and logic; draws <5.0 μA in sleep mode |
| GND (pins 14, 17, 23) | Ground reference | Internally shorted analog/digital ground; must be externally shorted on PCB for noise immunity and thermal dissipation |
Key Features
| Feature | Design Value |
|---|---|
| Quad 15 mΩ high-side switches | Enables compact, thermally efficient control of four independent lighting loads up to 55 W each without external heatsinking |
| Selectably programmable slew rate | Reduces EMI emissions by allowing per-channel tuning of rise/fall times (0.07–1.2 V/μs) to match load and board layout |
| Independent PWM control per channel | Supports both external clock (via IN0) and internal calibratable oscillator, enabling precise dimming without MCU resource contention |
| Smart fault management | Configurable overcurrent trip levels and durations, plus time-limited autoretry, prevent nuisance shutdowns during lamp inrush |
| Fail-safe mode with watchdog | Guarantees defined output states (ON/OFF) during MCU lockup or reset, critical for functional safety in lighting systems |
| Analog current + temperature feedback | Single CSNS pin multiplexes load current and die temperature signals, reducing MCU ADC channel count and BOM cost |
Applications
| Front Fog Lamp Control | Rear Combination Lamp |
|---|---|
|
Use Scenario: Driving halogen or LED fog lamps requiring precise inrush management and thermal monitoring. IC Role / Device Role / Timing Role: Quad high-side switch providing independent ON/OFF and PWM control with programmable slew rate for EMC compliance. Use Value: Eliminates discrete protection components; enables adaptive current limiting during cold filament startup (55 W bulb). |
Use Scenario: Controlling brake, tail, turn, and reverse functions in a single rear lamp module. IC Role / Device Role / Timing Role: High-side driver with open-load detection (ON/OFF) and short-to-battery diagnosis per channel. Use Value: Reduces wiring harness complexity by consolidating four independent loads onto one IC with diagnostic coverage. |
| Xenon Headlamp Ballast Enable | LED Daytime Running Light (DRL) |
|
Use Scenario: Enabling high-voltage Xenon ballasts with precise timing and fault isolation. IC Role / Device Role / Timing Role: High-side switch with severe short-circuit detection (RSHORT ≤100 mΩ) and fast fault blanking (≤20 μs). Use Value: Prevents catastrophic failure during ballast ignition arcs while maintaining system uptime via autoretry. |
Use Scenario: Dimmable DRL using PWM with stable current regulation and thermal derating. IC Role / Device Role / Timing Role: Current-sensing high-side driver with CSR0 ratio calibration and temperature drift compensation (0.04 %/°C). Use Value: Enables closed-loop brightness control without external shunt resistors or temperature sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC15XS3400DHFK | Same die, higher ambient temperature grade (–40 °C to 125 °C vs. –40 °C to 125 °C), identical electrical specs and pinout | No functional difference; qualified for same automotive zones; differs only in test conditions and qualification documentation | Select MC15XS3400DHFK when full AEC-Q100 Grade 0 qualification evidence is contractually required |
| TPS4H160-Q1 | Quad 160 mΩ high-side switch (vs. 15 mΩ), lower integration (no analog current sense, no internal PWM oscillator, no daisy-chain SPI) | Targeted at less demanding loads (e.g., small solenoids, indicators); lacks lamp-specific features like inrush programming and bulb cooling timers | Choose TPS4H160-Q1 only for cost-sensitive non-lighting applications where RDS(on) >100 mΩ is acceptable |
Compared with MC15XS3400DHFK, the MC15XS3400CPNA offers identical functionality but may differ in qualification documentation scope; versus TPS4H160-Q1, it delivers superior RDS(on), integrated diagnostics, and lamp-optimized timing-justifying its use in premium automotive lighting modules.
Availability
MC15XS3400CPNA is available at Aetrix Electronics and suitable for front fog lamp control, rear combination lamp management, Xenon headlamp enable, and LED daytime running light (DRL) systems requiring stable component supply, automotive-grade reliability, and long-term lifecycle support.
Supply support for MC15XS3400CPNA 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 applications, with deep expertise in automotive power management and functional safety.
The MC15XS3400CPNA belongs to NXP's high-side switch product line, engineered specifically for intelligent, diagnostic-capable automotive lighting systems requiring robust protection, precise current control, and fail-operational behavior.
FAQ
What is the maximum continuous output current supported by the MC15XS3400CPNA?
The MC15XS3400CPNA supports up to 6 A continuous output current per channel, validated under thermal constraints (TJ ≤ 150 °C). This rating assumes proper PCB thermal design (e.g., 4-layer board with thermal vias) and accounts for RDS(on) increase at elevated temperatures-15 mΩ at 25 °C rising to 26 mΩ at 150 °C. Derating is required above 85 °C ambient.
Does the MC15XS3400CPNA support daisy-chained SPI communication?
Yes, the MC15XS3400CPNA supports daisy-chained SPI communication via its SO (serial out) and SI (serial in) pins. When multiple devices are cascaded, the SO of one device connects to the SI of the next, allowing configuration and status polling of up to 16 devices using a single chip select (CS) line-reducing MCU GPIO count and simplifying wiring in multi-lamp systems.
How does the fail-safe mode operate in the MC15XS3400CPNA?
In fail-safe mode, the MC15XS3400CPNA monitors the FSI pin; if FSI remains unasserted beyond the watchdog timeout (217–400 ms), the device forces HS[0:3] outputs into predefined states based on the ON[0:3] register bits-even if the MCU is nonfunctional. This ensures predictable lamp behavior (e.g., keeping DRLs ON) during MCU failure, meeting ASIL-B functional safety requirements.
Can the MC15XS3400CPNA drive both incandescent bulbs and LEDs simultaneously?
Yes, the MC15XS3400CPNA is designed to drive mixed loads: its programmable fault current thresholds (6.4–110 A), adjustable inrush blanking, and dual open-load detection modes (OFF-state pull-up for bulbs, ON-state current threshold for LEDs) allow concurrent control of 55 W halogen bulbs and low-current LED arrays on separate channels without hardware reconfiguration.
What is the purpose of the CSNS pin on the MC15XS3400CPNA?
The CSNS pin on the MC15XS3400CPNA provides an analog voltage output proportional to either the selected HS[0:3] channel's load current (via current recopy) or the die temperature (via GND flag sensing). Its ratio is SPI-selectable (e.g., 1/8700 or 1/4350), enabling MCU ADC measurement without external amplifiers or shunts-reducing BOM cost and board space while supporting closed-loop current regulation and thermal derating.
MC15XS3400CPNA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 24-PowerQFN
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Switch Type:
- General Purpose
- Number of Outputs:
- 4
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- High Side
- Output Type:
- N-Channel
- Interface:
- SPI
- Voltage - Load:
- 6V ~ 20V
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Current - Output (Max):
- 6A
- Rds On (Typ):
- 15mOhm
- Input Type:
- -
- Features:
- Internal PWM, Slew Rate Controlled, Watchdog Timer
- 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-PQFN (12x12)
MC15XS3400CPNA FAQ
1.How can I place an order for MC15XS3400CPNA through Aetrix?
Please submit a Request for Quotation (RFQ) for MC15XS3400CPNA 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 MC15XS3400CPNA reliable?
The price and inventory of MC15XS3400CPNA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC15XS3400CPNA is usually 5 days.
3.What payment methods are accepted for MC15XS3400CPNA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC15XS3400CPNA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC15XS3400CPNA?
MC15XS3400CPNA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC15XS3400CPNA 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 MC15XS3400CPNA?
For technical support, including MC15XS3400CPNA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC15XS3400CPNA requirements.
6.How does Aetrix verify that MC15XS3400CPNA is sourced from the original manufacturer or authorized distributors?
All MC15XS3400CPNA 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 MC15XS3400CPNA meets industry standards.
7.What is the process for return or replacement of MC15XS3400CPNA?
All MC15XS3400CPNA units undergo pre-shipment inspection (PSI). If there is an issue with MC15XS3400CPNA, 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 MC15XS3400CPNA part is unused and in its original packaging.
Return procedure for MC15XS3400CPNA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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