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NXP Semiconductors MC10XS3435DPNAR2
- Part No.:
- MC10XS3435DPNAR2
- Manufacturer:
- NXP Semiconductors
- Package:
- 24-PowerQFN
- Datasheet:
-
MC10XS3435DPNAR2.pdf
- Description:
- IC PWR SWITCH N-CHAN 1:1 24PQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,531
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Product details
Overview
MC10XS3435DPNAR2 from NXP Semiconductors is a quad high-side switch IC designed for automotive lighting control, integrating two 10 mΩ and two 35 mΩ MOSFETs (at 25 °C), 8.0 MHz 16-bit SPI interface, programmable slew rate, and Fail-safe mode. It drives four independent loads-such as 55/28 W halogen bulbs, Xenon modules, or LEDs-in low-voltage automotive systems.
For engineers reviewing the MC10XS3435DPNAR2 datasheet, MC10XS3435DPNAR2 pinout, MC10XS3435DPNAR2 application, or MC10XS3435DPNAR2 equivalent, key selection criteria include RDS(on) matching per channel pair, SPI daisy-chain capability, analog current feedback ratio configurability, and fault detection blanking time (5–20 μs) for EMC-critical lighting control.
Technical Context
The MC10XS3435DPNAR2 implements SMARTMOS technology with integrated gate drivers, thermal shutdown (155–195 °C), overvoltage (28–36 V) and undervoltage (3.3–4.3 V) protection, and time-limited autoretry on fault recovery. Its dual-RDS(on) architecture supports mixed-load configurations-HS0/HS1 for high-current lamps (e.g., headlamp high-beam), HS2/HS3 for lower-power functions (e.g., position lights).
SPI-controlled diagnostics include per-channel overcurrent trip levels (6.4–110 A range), programmable lamp inrush duration, openload detection (OFF: 30–100 μA source; ON: 100–600 mA sink), and short-to-battery reporting. The Fail-safe input (FSI) enables watchdog timeout (217–400 ms) to maintain defined output states during MCU failure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RDS(on) HS0/HS1 | 10 mΩ at 5 A, 25 °C, VPWR = 13 V - enables efficient 55 W halogen bulb drive with <1.3 W conduction loss |
| RDS(on) HS2/HS3 | 35 mΩ at 5 A, 25 °C, VPWR = 13 V - optimized for 28 W bulbs or LED arrays with balanced thermal margin |
| SPI Interface | 8.0 MHz, 16-bit, 3.3 V/5.0 V compatible with daisy-chain support - allows centralized control of multiple switches without additional GPIO |
| Supply Range | VPWR: 6.0–20 V (fully operational); extended mode 4.0–28 V - supports cold-crank (4.0 V) and load-dump (41 V clamp) conditions |
| Sleep Current | <5.0 μA at 12 V, TA = 25 °C - meets automotive quiescent current requirements for always-on lighting modules |
| Fault Blanking Time | 5.0–20 μs (device variant dependent) - suppresses false trips during PWM edge transients or inrush surges |
| Output Slew Rate | Selectable: 0.07–1.2 V/μs (rising/falling) - reduces EMI in sensitive RF environments while maintaining response speed |
Pinout & Package
MC10XS3435DPNAR2 is housed in a 24-pin PQFN package (5 mm × 5 mm, 0.5 mm pitch) with exposed thermal pad. Pin layout supports symmetric PCB routing for dual high-current paths and dedicated GND pins (pins 14, 17, 23) for low-impedance return paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HS0, HS1 | High-side power outputs | 10 mΩ protected switches for high-power loads (e.g., headlamp high/low beam); support PWM via IN0 clock or internal oscillator |
| HS2, HS3 | High-side power outputs | 35 mΩ protected switches for auxiliary lighting (e.g., fog lamps, DRLs); independent openload and short-to-battery detection |
| CSNS | Analog current/temperature monitor | Provides ground-referenced voltage proportional to selected HSx current (CSR0/CSR1 ratios) or die temperature - enables closed-loop current regulation |
| IN0–IN3 | Direct control inputs | Enable hardware-level ON/OFF override of corresponding HSx outputs; IN0 also serves as external PWM clock source |
| FS, FSI | Fault status / Fail-safe enable | FS is open-drain fault indicator (active-low); FSI enables watchdog timeout to retain safe output state if MCU fails |
| CS, SCLK, SI, SO | SPI interface | Full-duplex 16-bit SPI with chip select, serial clock, data in/out - supports daisy-chaining up to 8 devices using single CS line |
| VPWR, VDD, GND | Power supplies | VPWR powers high-side drivers (4–28 V); VDD powers digital logic (3.0–5.5 V); three GND pins minimize ground bounce in multi-output switching |
Key Features
| Feature | Design Value |
|---|---|
| Dual RDS(on) channel pairing | HS0/HS1 (10 mΩ) and HS2/HS3 (35 mΩ) allow simultaneous control of high- and low-power lighting loads without external current balancing |
| Programmable slew rate | Three selectable rates per output (slow/medium/fast) reduce radiated emissions while preserving timing integrity in EMC-sensitive vehicle cabins |
| Configurable overcurrent protection | Eight programmable OC trip levels per channel (6.4–110 A) with adjustable blanking time - adapts to diverse lamp inrush profiles |
| Analog current feedback | Selectable CSNS current sense ratio (e.g., 1/4450 or 1/26500) and ±5% calibrated accuracy - enables precise current monitoring without external shunt |
| Fail-safe mode | FSI input triggers watchdog timeout (217–400 ms); outputs retain last commanded state or default safe state upon MCU communication loss |
Applications
| Headlamp High/Low Beam Control | Xenon Ignition Module Drive |
|---|---|
|
Use Scenario: Dynamic switching between high-beam (55 W) and low-beam (28 W) halogen lamps in adaptive front-lighting systems. IC Role / Device Role / Timing Role: MC10XS3435DPNAR2 acts as the primary high-side driver, delivering precise PWM dimming and real-time current feedback to the MCU for closed-loop brightness control. Use Value: Dual 10 mΩ channels (HS0/HS1) minimize conduction loss (<1.3 W @ 55 W), while programmable slew rate ensures EMI compliance during rapid beam transitions. |
Use Scenario: Powering Xenon HID ballasts requiring controlled turn-on sequencing and overcurrent protection during ignition surge. IC Role / Device Role / Timing Role: MC10XS3435DPNAR2 provides isolated high-side switching with configurable fault blanking (5–20 μs) to tolerate ignition spikes without false shutdown. Use Value: 35 mΩ HS2/HS3 outputs handle sustained 28 W loads; analog CSNS feedback enables accurate arc-current monitoring during steady-state operation. |
| LED Daytime Running Light (DRL) | Automotive Flasher / Turn Signal |
|
Use Scenario: Driving parallel strings of white LEDs (12–24 V, 300–600 mA) with thermal derating and open-circuit fault detection. IC Role / Device Role / Timing Role: MC10XS3435DPNAR2 serves as constant-current switch with ON openload detection (2.5–10 mA threshold) tailored for LED forward-voltage drop. Use Value: Programmable OC thresholds down to 3.0 A and ±5% calibrated current sense accuracy enable stable LED current regulation across temperature. |
Use Scenario: Controlling incandescent flasher bulbs (27 W) with timed on/off cycling and thermal overload protection during stuck-relay conditions. IC Role / Device Role / Timing Role: MC10XS3435DPNAR2 executes precise 1–2 Hz flash timing via SPI-commanded PWM, with auto-retry after overtemperature shutdown (155–195 °C). Use Value: Fail-safe mode maintains flash pattern integrity during MCU reset; daisy-chain SPI allows synchronized flashing across multiple vehicle zones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC10XS3435BHFK | Same die, -40 to 125 °C operating range; wake clamp voltage 18–25 V (vs. 20–27 V for D variant) | Preferred for under-hood applications with higher ambient temperature exposure | Select MC10XS3435BHFK when ambient exceeds 105 °C; otherwise MC10XS3435DPNAR2 offers tighter wake-clamp tolerance for battery-sensing circuits |
| TLE7231EM | Quad high-side switch (2 × 10 mΩ, 2 × 40 mΩ); 4.5–28 V VPWR; SPI-compatible but no daisy-chain; fixed slew rate | Lacks programmable slew rate and CSNS temperature feedback; requires external current sensing | Choose TLE7231EM only if SPI daisy-chain and analog current monitoring are not required; MC10XS3435DPNAR2 provides superior diagnostic granularity |
Compared with MC10XS3435BHFK and TLE7231EM, MC10XS3435DPNAR2 delivers unique value through its 8.0 MHz daisy-chain SPI, dual-ratio CSNS feedback, and 5–20 μs configurable fault blanking-critical for EMI-sensitive adaptive lighting systems where timing precision and diagnostic fidelity are non-negotiable.
Availability
MC10XS3435DPNAR2 is available at Aetrix Electronics and suitable for automotive headlamp control, Xenon ignition modules, LED daytime running lights, and flasher circuits requiring stable component supply, AEC-Q100 qualification, and long-term production continuity.
Supply support for MC10XS3435DPNAR2 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-grade power management and system basis chips.
The MC10XS3435DPNAR2 belongs to NXP's SMARTMOS high-side switch family, engineered specifically for intelligent, fault-resilient control of automotive lighting loads-including halogen, Xenon, and LED-under harsh electrical and thermal conditions.
FAQ
What is the maximum continuous output current rating for MC10XS3435DPNAR2?
The MC10XS3435DPNAR2 supports up to 6.0 A continuous output current per channel, provided the junction temperature remains within the -40 to 150 °C limit. This rating assumes proper PCB thermal design using the 24-pin PQFN package's low RθJC (<1.0 °C/W) and adequate copper pour on the exposed thermal pad. Derating is required above 125 °C ambient.
Does MC10XS3435DPNAR2 support daisy-chained SPI communication?
Yes, MC10XS3435DPNAR2 supports true daisy-chain SPI configuration: the SO pin of one device connects directly to the SI pin of the next, allowing up to eight devices to share a single CS line and MCU SPI peripheral. This eliminates GPIO overhead and simplifies wiring in multi-switch lighting modules.
How does the Fail-safe mode function in MC10XS3435DPNAR2?
In MC10XS3435DPNAR2, Fail-safe mode is activated by pulling the FSI pin low. When enabled, a watchdog timer (217–400 ms timeout) monitors SPI activity; if communication is lost, outputs retain their last commanded state or transition to a preconfigured safe state-ensuring critical lighting remains functional during MCU failure.
What are the CSNS current sense ratio options for MC10XS3435DPNAR2?
MC10XS3435DPNAR2 offers four CSNS current sense ratios via SPI-configurable bits: 1/4450, 1/26500 (HS0/HS1); and 1/4350, 1/25500 (HS2/HS3). These ratios enable precise current monitoring across wide dynamic ranges-from milliamp-level LED bias to 6 A lamp loads-with ±5% calibrated accuracy after single-point calibration.
Is MC10XS3435DPNAR2 qualified for automotive use?
Yes, MC10XS3435DPNAR2 is AEC-Q100 qualified for Grade 1 (-40 to 125 °C ambient) operation and designed for automotive lighting applications. It meets stringent requirements including load-dump immunity (41 V clamp), reverse-battery protection (-18 V), and ESD robustness (±8 kV HBM on HS/VPWR/GND pins).
MC10XS3435DPNAR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 24-PowerQFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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):
- 10mOhm (Max), 35mOhm (Max)
- 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)
MC10XS3435DPNAR2 FAQ
1.How can I place an order for MC10XS3435DPNAR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC10XS3435DPNAR2 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 MC10XS3435DPNAR2 reliable?
The price and inventory of MC10XS3435DPNAR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC10XS3435DPNAR2 is usually 5 days.
3.What payment methods are accepted for MC10XS3435DPNAR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC10XS3435DPNAR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC10XS3435DPNAR2?
MC10XS3435DPNAR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC10XS3435DPNAR2 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 MC10XS3435DPNAR2?
For technical support, including MC10XS3435DPNAR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC10XS3435DPNAR2 requirements.
6.How does Aetrix verify that MC10XS3435DPNAR2 is sourced from the original manufacturer or authorized distributors?
All MC10XS3435DPNAR2 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 MC10XS3435DPNAR2 meets industry standards.
7.What is the process for return or replacement of MC10XS3435DPNAR2?
All MC10XS3435DPNAR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC10XS3435DPNAR2, 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 MC10XS3435DPNAR2 part is unused and in its original packaging.
Return procedure for MC10XS3435DPNAR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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