Overview
The MC33665ATS4AE, produced by NXP USA Inc., is a general-purpose battery management communication gateway and transport protocol link (TPL) transceiver. This device is designed to forward messages from different TPL ports through standard communication protocols such as SPI, CAN (FD), or UART, ensuring compatibility with various microcontrollers. It serves as a gateway between the MCU and battery management system (BMS) devices connected to its integrated TPL ports. The MC33665A is AEC-Q100 grade 1 qualified and suitable for use in safety-critical applications up to ASIL D level.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | LQFP48, plastic, low profile quad flat leaded package; 48 terminals; 0.50 mm pitch; 7 * 7 * 1.4 mm body |
| MCU Host Interface | SPI, CAN (FD), or UART |
| SPI Mode | Single or dual SPI mode, up to 10 Mbit/s data rate |
| CAN (FD) Mode | CAN up to 1 Mbit/s, CAN FD up to 5 Mbit/s data rate |
| UART Mode | Full duplex operation, auto baud rate detection, up to 6 MBd data rate |
| IO Voltage | Selectable IO voltage of 5 V or 3.3 V |
| TPL Ports | Four independent TPL daisy chain ports, each supporting capacitive or inductive isolation, 2 Mbit/s data rate |
| Operating Temperature | -40 °C to +125 °C ambient temperature range |
| Power Supply | Supply via external 5 V regulator or integrated 5 V regulator |
| Power Modes | Active mode, Sleep mode (25 μA typ.) |
Key Features
- Supports SPI, CAN (FD), or UART interfaces for communication with MCU
- Four independent TPL daisy chain ports with capacitive or inductive isolation
- Automatic message routing based on the address of the TPL message
- Supports up to four TPL daisy chains and 62 nodes per chain
- Message synchronization and transmission triggered by external events
- Configurable response and request buffers
- Status/handshake signals for data flow control
- Error detection and reporting
- General-purpose inputs/outputs (GPIOs) with assignable status and events
- I2C-bus master interface to control external devices
- Unique device ID
Applications
The MC33665ATS4AE is suitable for use in various battery management systems, particularly in automotive and industrial applications. It is designed to be used in safety-critical applications up to ASIL D level, making it ideal for advanced battery management in electric vehicles, hybrid vehicles, and other high-reliability systems. Additionally, it can be used in any application requiring robust and reliable communication between the MCU and BMS devices.
Q & A
- What is the primary function of the MC33665ATS4AE?
The MC33665ATS4AE is a general-purpose battery management communication gateway and TPL transceiver, designed to forward messages between MCU and BMS devices through standard communication protocols like SPI, CAN (FD), or UART.
- What communication interfaces does the MC33665ATS4AE support?
The device supports SPI, CAN (FD), and UART interfaces for communication with the MCU.
- How many TPL ports does the MC33665ATS4AE have?
The device has four independent TPL daisy chain ports, each supporting capacitive or inductive isolation.
- What is the data rate of the TPL ports?
Each TPL port supports a data rate of 2 Mbit/s.
- What are the power supply options for the MC33665ATS4AE?
The device can be supplied via an external 5 V regulator or an integrated 5 V regulator.
- What are the operating modes of the MC33665ATS4AE?
The device operates in active mode and sleep mode (with a typical current of 25 μA).
- Is the MC33665ATS4AE suitable for safety-critical applications?
Yes, the MC33665ATS4AE is AEC-Q100 grade 1 qualified and suitable for use in safety-critical applications up to ASIL D level.
- What is the operating temperature range of the MC33665ATS4AE?
The device operates within an ambient temperature range of -40 °C to +125 °C.
- Does the MC33665ATS4AE support message synchronization?
Yes, the device supports message synchronization across all TPL daisy chain ports and transmission triggered by external events.
- What additional interfaces does the MC33665ATS4AE support?
The device supports an I2C-bus master interface to control external devices such as EEPROMs and security ICs.
