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MC33912G5AC from FREESCALE

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MC33912G5AC

Manufacturer: FREESCALE, Freescal

LIN System Basis Chip with DC Motor Pre-driver and Current Sense

Partnumber Manufacturer Quantity Availability
MC33912G5AC FREESCALE, Freescal 159 In Stock

Description and Introduction

LIN System Basis Chip with DC Motor Pre-driver and Current Sense The MC33912G5AC is a system basis chip (SBC) manufactured by Freescale Semiconductor (now part of NXP Semiconductors). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Freescale Semiconductor (now NXP Semiconductors)  
- **Part Number:** MC33912G5AC  
- **Type:** System Basis Chip (SBC)  
- **Package:** 32-pin LQFP (Low-profile Quad Flat Package)  
- **Operating Voltage Range:** 4.5V to 28V (supports 12V and 24V automotive systems)  
- **Operating Temperature Range:** -40°C to +125°C (automotive-grade)  
- **Communication Interfaces:**  
  - LIN (Local Interconnect Network) transceiver  
  - SPI (Serial Peripheral Interface)  
- **Power Management:**  
  - Integrated voltage regulator (5V/100mA)  
  - Watchdog timer with windowed and timeout modes  
- **Protection Features:**  
  - Overvoltage protection  
  - Undervoltage detection  
  - Thermal shutdown  
  - Short-circuit protection  

### **Descriptions:**  
The MC33912G5AC is designed for automotive applications, providing power management, communication interfaces, and system monitoring in a single chip. It is commonly used in body control modules, lighting systems, and other automotive electronic control units (ECUs).  

### **Features:**  
- **Integrated LIN Transceiver:** Compliant with LIN 2.x and SAE J2602 standards.  
- **SPI Interface:** Enables communication with a microcontroller.  
- **Low-Power Modes:** Supports sleep and standby modes for reduced power consumption.  
- **Fault Reporting:** Provides diagnostic feedback via SPI.  
- **High ESD Protection:** Robust against electrostatic discharge (ESD) per automotive standards.  
- **AEC-Q100 Qualified:** Meets automotive reliability and quality standards.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

LIN System Basis Chip with DC Motor Pre-driver and Current Sense

Alternative Part Number

  • TJA1021T/20/C,118 --: NXP LIN transceiver in the same system basis chip family lineage, pin-compatible function for LIN physical layer, widely available and drop-in for many MC33912 LIN applications.
  • ATA6625C-GAQW --: Integrated LIN transceiver with voltage regulator and watchdog, functionally similar to the MC33912 system basis chip, suitable replacement with different naming and proven automotive qualification.
  • TLE7269G --: Automotive system basis chip with LIN transceiver and power supply features comparable to MC33912, different series naming and good second-source option.
  • TLE9263BQXV33XUMA1 --: System basis chip with integrated CAN/LIN transceivers and voltage regulator, functionally comparable to the MC33912 system basis chip family.
  • TLE9262BQXV33XUMA1 --: Similar system basis chip with LIN transceiver and power supply features, suitable as a functional substitute in body/comfort applications.
  • UJA1075ATW/3V3/WD --: System basis chip integrating CAN/LIN transceivers and regulators, offering comparable integration for automotive ECU designs.

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