Overview
The NXP MC33912BACR2 is a System Basis Chip (SBC) designed to integrate multiple essential functions for MCU-based systems. This device is controlled via a Serial Peripheral Interface (SPI) and includes a Local Interconnect Network (LIN) transceiver, making it highly versatile for various automotive and industrial applications. The MC33912BACR2 is built using SMARTMOS technology, ensuring efficient and reliable operation.
Key Specifications
| Characteristic | Min. | Typ. | Max. | Unit | Notes |
|---|---|---|---|---|---|
| Package Type | - | - | 32-LQFP (7x7) | - | - |
| Voltage Regulator Output | - | 5.0 V | - | V | 50 mA/60 mA |
| LIN Transceiver Data Rate | - | - | 100 kbps | kbps | - |
| High-Side Switches | - | - | 50 mA | mA | Protected |
| Low-Side Switches | - | - | 150 mA/160 mA | mA | Protected |
| Operating Temperature Range | -40 °C | - | 125 °C | °C | - |
| SPI Interface Frequency | - | - | 4.0 MHz | MHz | - |
Key Features
- SPI-controlled System Basis Chip (SBC) integrating multiple functions for MCU-based systems.
- LIN transceiver compliant with LIN Protocol Specification 2.0, 2.1, and SAEJ2602-2.
- 5.0 V low dropout regulator with fault detection and low voltage reset (LVR) circuitry.
- Two 50 mA high-side switches and two 150 mA/160 mA low-side switches with output protection.
- Current sense module and configurable window watchdog.
- Four high voltage analog/logic inputs and analog multiplexer module.
- Pulse-width modulation (PWM) capability for all outputs.
Applications
- Door modules: window lift, mirror, door lock, seat control switch.
- Seat position motors and occupancy sensors.
- Rain and light sensors, light control, sun roof.
- Wiper, turning light, cruise control.
- Climate control: small motors, control panel.
- Engine control: sensors, small motors.
Q & A
- What is the MC33912BACR2? The MC33912BACR2 is a System Basis Chip (SBC) that integrates multiple functions for MCU-based systems, including a LIN transceiver and various switches and regulators.
- What is the package type of the MC33912BACR2? The MC33912BACR2 comes in a 32-LQFP (7x7) package.
- What is the data rate of the LIN transceiver in the MC33912BACR2? The LIN transceiver in the MC33912BACR2 can operate up to 100 kbps.
- What are the current ratings of the high-side and low-side switches? The high-side switches are rated at 50 mA, and the low-side switches are rated at 150 mA/160 mA.
- What is the operating temperature range of the MC33912BACR2? The operating temperature range is from -40 °C to 125 °C.
- What is the maximum frequency of the SPI interface? The SPI interface can operate up to 4.0 MHz.
- Does the MC33912BACR2 support PWM? Yes, all outputs of the MC33912BACR2 can be pulse-width modulated (PWM).
- What are some common applications of the MC33912BACR2? Common applications include door modules, seat position motors, rain and light sensors, climate control, and engine control.
- What technology is used to power the MC33912BACR2? The MC33912BACR2 is powered using SMARTMOS technology.
- Does the MC33912BACR2 have built-in diagnostic features? Yes, it provides full SPI readable diagnostics and a selectable timing watchdog for detecting errant operation.
