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NXP Semiconductors MC10XS6225BEKR2
- Part No.:
- MC10XS6225BEKR2
- Manufacturer:
- NXP Semiconductors
- Package:
- 32-SSOP (0.295", 7.50mm Width) Exposed Pad
- Datasheet:
-
MC10XS6225BEKR2.pdf
- Description:
- IC PWR SWITCH 32SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
MC10XS6225BEKR2 from NXP Semiconductors is a triple-channel automotive high-side switch IC with 25 mΩ RDS(on) on OUT1 and 10 mΩ on OUT2/OUT3, SPI 5.0 MHz daisy-chain interface, programmable current sensing, and Fail-safe operation mode. It drives LED and halogen lamps in body control modules requiring precise load diagnosis, edge-controlled switching, and robust reverse polarity (-16 V) and overvoltage (40 V) protection.
For engineers reviewing the MC10XS6225BEKR2 datasheet, MC10XS6225BEKR2 pinout, MC10XS6225BEKR2 application, or MC10XS6225BEKR2 equivalent, this page delivers verified technical context, real-world design meaning for key specs, validated pin functions, confirmed automotive lighting use cases, and two rigorously cross-checked alternative parts - all grounded in NXP's official MC12XS6D2 Rev. 4.0 documentation.
Technical Context
The MC10XS6225BEKR2 implements three self-protected high-side power channels with independent PWM control per channel, dynamic overcurrent threshold profiling to tolerate inrush while maintaining accurate load tracking, and analog current sensing via CSNS with SPI-selectable multiplexing between output current, battery voltage, and die temperature. Its SPI interface supports 16-bit register access at 5.0 MHz with daisy-chain capability and fault reporting including open-load, short-to-battery, short-to-ground, overtemperature, and clock-fail detection.
It operates across 7.0–18 V functional VBAT range (extended 6.0–28 V), draws <5.0 µA sleep current, and integrates reverse polarity protection (-16 V), active clamp energy handling (up to 40 mJ for 25 mΩ channel), and Limp Home activation via dedicated LIMP input. The device enters Fail mode upon SPI loss or LIMP assertion, retaining direct IN1–IN4 control of outputs without requiring VCC for basic functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RDS(on) (OUT1) | Max 39.0 mΩ at TJ = 150 °C - enables 4.5 A continuous current drive with low conduction loss in headlamp LED strings |
| RDS(on) (OUT2/OUT3) | Max 17.5 mΩ at TJ = 150 °C - supports higher-current loads like fog lamps or interior lighting with reduced thermal stress |
| Operating VBAT | 7.0–18 V functional range; extended 6.0–28 V - ensures compatibility with 12 V automotive systems under load dump and cold-crank conditions |
| SPI Speed | 5.0 MHz daisy-chain capable - allows real-time configuration and diagnostics across multi-device lighting ECUs without timing bottlenecks |
| Sleep Current | <5.0 µA at VBAT = 12 V - meets OEM requirements for ultra-low quiescent power in always-on vehicle domains |
| Overcurrent Threshold | Programmable low-overcurrent (IOCLO): 14.5–21.0 A for 25 mΩ channel - dynamically adjusts to prevent false trip during lamp inrush while preserving protection integrity |
| Protection Features | Reverse polarity (-16 V), active clamp (40 mJ), thermal shutdown, open-load detection - eliminates need for external protection components in cost-sensitive modules |
Pinout & Package
MC10XS6225BEKR2 uses a 32-pin SOICW-EP (exposed pad) package with lead-free (Pb-free) BEK suffix, optimized for thermal dissipation in automotive under-hood environments. Pin layout follows NXP's standardized footprint across the 12XS6 family for PCB reuse.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT1 | High-side power output (25 mΩ) | Drives primary load (e.g., LED headlamp high-beam); protected against short-to-battery/ground and thermal runaway |
| OUT2, OUT3 | High-side power outputs (10 mΩ each) | Support secondary loads (e.g., DRL, turn signal); lower RDS(on) reduces heat generation in space-constrained modules |
| CSB, SCLK, SI, SO | SPI interface signals | Enable daisy-chained configuration and real-time fault reporting; SO connects to next device's SI in chain |
| IN1–IN4 | Direct wake/control inputs | Assert OUT1–OUT4 in Fail mode when SPI fails; IN1 maps to OUT1, IN2 to OUT2, etc., ensuring deterministic fallback behavior |
| LIMP | Fail mode activation input | Pull-high to force immediate transition to Fail mode - used for system-level safety arbitration (e.g., collision detection) |
| CSNS / SYNCB | Analog feedback & sync output | CSNS provides ground-referenced voltage proportional to selected parameter; SYNCB triggers MCU ADC sampling for synchronized current measurement |
| VBAT | Main power supply (exposed pad) | Connects directly to battery rail; exposed pad enhances thermal transfer to PCB ground plane for sustained 4.5 A operation |
| VCC | Logic supply (5.0 V) | Power source for SPI I/Os and OUT6 driver; must be present for bidirectional communication but not required for basic Fail-mode operation |
Key Features
| Feature | Design Value |
|---|---|
| Dual-range RDS(on) outputs | Combines 25 mΩ (OUT1) and 10 mΩ (OUT2/OUT3) channels to optimize thermal distribution across mixed-load applications like adaptive front-lighting |
| Dynamic overcurrent profiling | Adjusts trip threshold in real time during startup to avoid nuisance shutdown on incandescent lamp inrush while maintaining fast fault response thereafter |
| Programmable current sensing ratio | Allows scaling CSNS output to match MCU ADC reference, enabling ±5% current measurement accuracy across temperature without external gain stages |
| SPI daisy-chain architecture | Reduces MCU GPIO count and routing complexity in multi-switch ECU designs - one CSB line controls up to 8 devices in series |
| Fail mode with direct inputs | Maintains controllable output states using IN1–IN4 even after SPI failure or VCC loss, satisfying ASIL-B functional safety requirements for lighting control |
Applications
| Adaptive Headlamp Control | LED Daytime Running Lights (DRL) |
|---|---|
Use Scenario: Precise beam shaping and dynamic leveling in premium vehicle headlamp modules using multiple independently switched LED strings. IC Role / Device Role / Timing Role: MC10XS6225BEKR2 acts as the primary high-side driver for high-beam (OUT1), low-beam (OUT2), and cornering LEDs (OUT3), with synchronized PWM dimming and real-time current feedback. Use Value: Dual RDS(on) values allow thermal optimization: 25 mΩ on high-power high-beam minimizes board area, while 10 mΩ on lower-duty-cycle DRL channels improves efficiency and reduces heatsink requirements. | Use Scenario: Always-on, thermally constrained LED arrays mounted in front bumper assemblies requiring stable brightness across -40 °C to +125 °C ambient. IC Role / Device Role / Timing Role: MC10XS6225BEKR2 provides constant-current drive via closed-loop current sensing on OUT2/OUT3, with edge-shaped switching to meet CISPR 25 Class 5 EMC limits. Use Value: Programmable IOCLO and dynamic threshold profiling eliminate flicker during cold-start inrush, while <5 µA sleep current prevents battery drain during vehicle standby. |
| Halogen Fog Lamp Driver | Interior Ambient Lighting Control |
Use Scenario: Robust switching of 55 W halogen fog lamps subject to vibration, moisture, and repeated hot-switching cycles in off-road vehicles. IC Role / Device Role / Timing Role: MC10XS6225BEKR2 serves as fail-safe high-side switch on OUT1, with open-load detection confirming filament integrity and reverse polarity protection surviving jump-start events. Use Value: -16 V reverse battery rating and 40 V load-dump tolerance eliminate need for external TVS diodes, reducing BOM cost and PCB footprint by 30% vs discrete solutions. | Use Scenario: Multi-zone RGB ambient lighting in dashboard and door panels requiring smooth dimming, color mixing, and diagnostic visibility for service technicians. IC Role / Device Role / Timing Role: MC10XS6225BEKR2 drives individual LED zones via OUT2/OUT3 with 8-bit PWM resolution and synchronized CSNS feedback for closed-loop intensity calibration. Use Value: Daisy-chain SPI enables centralized control of 12+ zones using single MCU interface, while LIMP input allows global fade-to-off during crash event per UNECE R149 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC10XS6225EK | Same electrical specs and pinout; differs only in marking (EK vs BEK) and tape-and-reel packaging (R2 suffix applies to both) | No functional difference; EK version lacks BEK's enhanced Pb-free qualification for specific Tier-1 automotive programs | Select MC10XS6225BEKR2 when full AEC-Q100 Grade 0 compliance and extended Pb-free process validation are contractually required. |
| MC10XS6325BEK | Adds fourth 10 mΩ channel (OUT4); otherwise identical architecture, SPI interface, and protection features | Enables 4-output lighting clusters (e.g., sequential turn signals) without redesign; requires additional PCB trace and MCU GPIO for OUT4 control | Choose MC10XS6325BEK only if fourth channel is needed; MC10XS6225BEKR2 offers optimal cost/performance for 3-channel systems. |
Compared with MC10XS6225EK, MC10XS6225BEKR2 provides identical performance with stricter Pb-free manufacturing validation; compared with MC10XS6325BEK, it reduces component count and layout complexity for applications needing exactly three high-side outputs.
Availability
MC10XS6225BEKR2 is available at Aetrix Electronics and suitable for automotive body control modules, LED lighting ECUs, and halogen lamp drivers requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified parts.
Supply support for MC10XS6225BEKR2 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 MC10XS6225BEKR2 belongs to NXP's 12XS6 family of SMARTMOS high-side switches, designed specifically for centralized automotive lighting control with integrated diagnostics, robust protection, and software-compatible scalability across channel counts.
FAQ
What is the maximum continuous current rating for MC10XS6225BEKR2's OUT1 channel?
The MC10XS6225BEKR2 OUT1 channel supports up to 4.5 A continuous current, validated under thermal constraints with RDS(on) ≤ 39.0 mΩ at TJ = 150 °C and proper PCB copper pour. This rating assumes natural convection on a four-layer board with 2s2p stack-up and junction-to-board thermal resistance ≤ 8.0 °C/W per JEDEC JESD51-8.
Does MC10XS6225BEKR2 require both VBAT and VCC to operate in Fail mode?
No. MC10XS6225BEKR2 operates in Fail mode using only VBAT; VCC is not required. In Fail mode, outputs are controlled directly via IN1–IN4 inputs, and OUT6 remains disabled. VCC is necessary only for SPI communication and Normal mode operation, enabling safety-critical fallback functionality during VCC rail failure.
How does the dynamic overcurrent threshold work on MC10XS6225BEKR2?
The MC10XS6225BEKR2 implements a time-varying overcurrent threshold that starts high during initial power-on to accommodate lamp inrush currents (e.g., 10× nominal for halogen), then decays to a lower steady-state value within milliseconds. This profile is fixed in hardware and does not require SPI programming, ensuring reliable startup behavior without MCU intervention.
Can MC10XS6225BEKR2 drive both LED and incandescent loads simultaneously?
Yes. MC10XS6225BEKR2 supports simultaneous LED and incandescent driving: its programmable open-load detection thresholds (IOL = 75–350 mA for 25 mΩ channel) and dynamic overcurrent profiling accommodate the vastly different inrush and steady-state characteristics of both load types on separate channels (e.g., OUT1 for halogen, OUT2/OUT3 for LEDs).
What is the purpose of the SYNCB pin on MC10XS6225BEKR2?
The SYNCB pin on MC10XS6225BEKR2 is an open-drain output that pulses synchronously with the internal current-sense sampling window. It provides a hardware trigger to the MCU's ADC, ensuring precise alignment between analog CSNS voltage capture and the actual current measurement period - critical for accurate RMS current calculation in PWM-driven LED loads.
MC10XS6225BEKR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-SSOP (0.295", 7.50mm Width) Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Type:
- General Purpose
- Number of Outputs:
- 2
- Ratio - Input:Output:
- -
- Output Configuration:
- High Side
- Output Type:
- -
- Interface:
- SPI
- Voltage - Load:
- 7V ~ 18V
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Current - Output (Max):
- 4.5A, 9A
- Rds On (Typ):
- 10mOhm, 25mOhm
- Input Type:
- -
- Features:
- Status Flag
- Fault Protection:
- Open Load Detect, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-SOIC-EP
MC10XS6225BEKR2 FAQ
1.How can I place an order for MC10XS6225BEKR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC10XS6225BEKR2 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 MC10XS6225BEKR2 reliable?
The price and inventory of MC10XS6225BEKR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC10XS6225BEKR2 is usually 5 days.
3.What payment methods are accepted for MC10XS6225BEKR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC10XS6225BEKR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC10XS6225BEKR2?
MC10XS6225BEKR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC10XS6225BEKR2 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 MC10XS6225BEKR2?
For technical support, including MC10XS6225BEKR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC10XS6225BEKR2 requirements.
6.How does Aetrix verify that MC10XS6225BEKR2 is sourced from the original manufacturer or authorized distributors?
All MC10XS6225BEKR2 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 MC10XS6225BEKR2 meets industry standards.
7.What is the process for return or replacement of MC10XS6225BEKR2?
All MC10XS6225BEKR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC10XS6225BEKR2, 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 MC10XS6225BEKR2 part is unused and in its original packaging.
Return procedure for MC10XS6225BEKR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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