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NXP MC34912G5AC Automotive Relay Driver

The MC34912G5AC is a highly integrated automotive and industrial relay driver solution featuring high-side and low-side PWM-capable switches, LIN physical layer, current and voltage sensing, and multiple wake-up options. It supports LIN protocols 2.0, 2.1, and SAEJ2602, with configurable slew rates, overtemperature and overcurrent protections, and a window watchdog. Suitable for automotive body electronics such as window control, sunroof, and relay switching, it includes internal regulators, fault reporting, and versatile interface options for reliable system management.

Authorized Distributors
Source:DigiKey
Part No:MC34912G5AC
Stock:230
Inv Date:06-09-2026
Price: Unit price: $5.69
Buy/RFQ:
Source:DigiKey
Part No:MC34912G5AC
Stock:6850
Inv Date:06-09-2026
Price: Unit price: $4.25
Buy/RFQ:
Part No:MC34912G5AC
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

NXP MC34912G5AC Automotive Relay Driver Specifications:

  • Supply Voltage: 5.5 V to 18 V (VS1, VS2)
  • Output Current: 60-950 mA (high-side), 160-350 mA (low-side)
  • Overtemperature Protection: 150-180 °C
  • Switch Resistance: <70 ohms (high-side), <25 ohms (low-side) at 25°C
  • Voltage Sense: Direct connection up to +40 V, scaled via internal divider
  • LIN Protocol: 2.0, 2.1, SAEJ2602, slew rate selection capabilities
  • Wake-up Inputs: L1-L4 with cyclic-sense mode and external triggers
  • Fault Detection: Overcurrent, overtemperature, short-circuit, open load detection
  • Internal Regulators: 5 V main regulator, switchable hall sensor supply
  • Communication: SPI interface for configuration and status, with dedicated interrupt (IRQ) and reset (RST) pins
  • Protection: Reverse battery, transient suppression, active clamps in drivers
  • Operating Modes: Reset, Normal, Stop, Sleep with automatic transitions and wake-up options
  • Package: 32-pin QFN (7x7x1.4 mm)

Buy the Buy NXP MC34912G5AC Automotive Relay Driver with LIN SPI Control Online

Enhance your automotive systems with the NXP MC34912G5AC relay driver. Featuring high- and low-side PWM capable switches, LIN protocol, current and voltage sensing, fault detection, and versatile wake-up options, this device ensures dependable operation. Its integrated regulators and comprehensive protection features make it ideal for vehicle window lifts, sunroofs, relay controls, and body electronics. Easy SPI control and multiple modes enable seamless integration into modern automotive control modules, offering robust performance and system safety.

Order your NXP MC34912G5AC automotive relay driver with integrated LIN transceiver and fault management today and ensure reliable vehicle control systems.

Frequently Asked Questions

Where can I buy NXP MC34912G5AC?

You can click on the BUY or RFQ button to purchase MC34912G5AC from an authorized NXP distributor.

How do I troubleshoot issues or seek technical support for part MC34912G5AC?

You can download the MC34912G5AC datasheet or visit the NXP website for support.

Who is the manufacturer of MC34912G5AC?

NXP

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