Overview
The MC33FS5502Y3ESR2 is a high-voltage multi-output power supply integrated circuit (PMIC) designed by NXP USA Inc. This device is specifically tailored for automotive applications, particularly in radio and radar systems. It is part of a global platform that includes other devices like the FS5502, VR5500, FS84, and FS85, offering pin-to-pin and software compatibility. The MC33FS5502Y3ESR2 is qualified in compliance with AEC-Q100 rev H (Grade 1, MSL3), ensuring high reliability and performance in automotive environments.
Key Specifications
| Specification | Details |
|---|---|
| Maximum Input Voltage | 60 V DC (for 12 V and 24 V applications) |
| VPRE Synchronous Buck Controller | Configurable output voltage, switching frequency, and current capability up to 10 A peak |
| BUCK1 Converter | Low voltage integrated synchronous converter, configurable output voltage, and current capability up to 3.6 A peak |
| BUCK3 Converter | Low voltage integrated synchronous converter, configurable output voltage, and current capability up to 3.6 A peak |
| Linear Voltage Regulator | Configurable output voltage and current capability up to 400 mA DC for MCU IOs and ADC supply |
| OFF Mode Sleep Current | Very low sleep current (10 μA typ) |
| Wake-up Detection and Battery Voltage Sensing | Two input pins for wake-up detection and battery voltage sensing |
| Device Control Interface | I2C interface with CRC |
| Power Synchronization | Power synchronization pin to operate two FS5502 devices or FS5502 plus an external PMIC |
| Voltage Monitoring Circuits | Three voltage monitoring circuits, dedicated interface for MCU monitoring, power good, reset, and interrupt outputs |
| Package Type | HVQFN56, plastic, thermally enhanced very thin quad flat package, no lead, wettable flanks (SOT684-23) |
Key Features
- Multiple switch mode and linear voltage regulators.
- External frequency synchronization input and output for optimized system EMC performance.
- EMC optimization techniques including SMPS frequency synchronization, spread spectrum, slew rate control, and manual frequency tuning.
- Configuration by OTP programming with prototype enablement to support custom settings during project development in engineering mode.
- Device control via I2C interface with CRC.
- Low power consumption with very low sleep current in OFF mode.
- Wake-up detection and battery voltage sensing capabilities.
- Power synchronization pin for operating multiple devices or with an external PMIC.
- Three voltage monitoring circuits with dedicated interfaces for MCU monitoring, power good, reset, and interrupt outputs.
Applications
- Radio systems in automotive applications.
- Radar systems in automotive applications.
- V2X (Vehicle-to-Everything) communication systems.
- Infotainment systems in vehicles.
Q & A
- What is the maximum input voltage of the MC33FS5502Y3ESR2?
The maximum input voltage is 60 V DC, suitable for 12 V and 24 V automotive applications.
- What types of voltage regulators are included in the MC33FS5502Y3ESR2?
The device includes multiple switch mode (SMPS) and linear voltage regulators (LDOs).
- How does the MC33FS5502Y3ESR2 optimize EMC performance?
It uses external frequency synchronization input and output, SMPS frequency synchronization, spread spectrum, slew rate control, and manual frequency tuning.
- What is the sleep current in OFF mode?
The sleep current in OFF mode is very low, typically 10 μA.
- How is device control achieved in the MC33FS5502Y3ESR2?
Device control is achieved via an I2C interface with CRC.
- What package type is used for the MC33FS5502Y3ESR2?
The package type is HVQFN56, a plastic, thermally enhanced very thin quad flat package with no lead and wettable flanks (SOT684-23).
- What are the primary applications of the MC33FS5502Y3ESR2?
The primary applications include radio and radar systems, V2X communication, and infotainment systems in vehicles.
- Is the MC33FS5502Y3ESR2 qualified for automotive use?
Yes, it is qualified in compliance with AEC-Q100 rev H (Grade 1, MSL3).
- How can the device be configured?
The device can be configured by OTP programming with prototype enablement to support custom settings during project development in engineering mode.
- What are the wake-up detection and battery voltage sensing capabilities?
The device has two input pins for wake-up detection and battery voltage sensing.
