Overview
The MC34704AEPR2,528 is a multiple-channel DC-DC power management IC produced by NXP USA Inc. This integrated circuit is designed to provide efficient and flexible power management solutions for various electronic systems. It features a 4-switch synchronous buck-boost PWM voltage-mode control, making it suitable for applications requiring dynamic voltage scaling and robust protection mechanisms.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.7 | - | 5.5 | V |
| Output Voltage Range (REG3) | 0.6 | - | 1.8 | V |
| Output Voltage Range (REG4) | 0.6 | - | 3.6 | V |
| Output Accuracy (REG3) | -4.0 | - | 4.0 | % |
| Output Accuracy (REG4) | -2.0 | - | 2.0 | % |
| Continuous Output Current (REG3) | 150 | - | 550 | mA |
| Continuous Output Current (REG4) | 100 | - | 300 | mA |
| Overcurrent Limit (REG3) | 1.0 | - | - | A |
| Overcurrent Limit (REG4) | 1.5 | - | - | A |
| Package | - | - | 56-Pin QFN EP | - |
| Operating Temperature Range | -20 | - | 85 | °C |
Key Features
- I2C programmability for flexible configuration
- Dynamic voltage scaling on all regulators
- Selectable output voltage or current regulation on REG8
- Output undervoltage and overvoltage detection for each regulator
- Overcurrent limit detection and short-circuit protection for each regulator
- Thermal limit detection for each regulator, except REG7
- Integrated compensation for REG1, REG3, REG6, and REG8
- True cutoff on all of the boost and buck-boost regulators
- Low shutdown current (5.0 µA maximum)
Applications
The MC34704AEPR2,528 is suitable for a variety of applications requiring advanced power management, including:
- Mobile devices and handheld electronics
- Embedded systems and IoT devices
- Automotive electronics
- Industrial control systems
- Consumer electronics requiring multiple voltage rails
Q & A
- What is the input voltage range of the MC34704AEPR2,528?
The input voltage range is from 2.7V to 5.5V. - How many output regulators does the MC34704AEPR2,528 have?
The IC has multiple output regulators, including REG3 and REG4, among others. - What is the output voltage range for REG3 and REG4?
For REG3, the output voltage range is 0.6V to 1.8V, and for REG4, it is 0.6V to 3.6V. - Does the MC34704AEPR2,528 support I2C programming?
Yes, it supports I2C programmability for flexible configuration. - What kind of protection mechanisms are integrated into the MC34704AEPR2,528?
The IC includes overcurrent limit detection, short-circuit protection, and thermal limit detection for each regulator. - What is the maximum shutdown current of the MC34704AEPR2,528?
The maximum shutdown current is 5.0 µA. - In what package is the MC34704AEPR2,528 available?
The IC is available in a 56-Pin QFN EP package. - What is the operating temperature range of the MC34704AEPR2,528?
The operating temperature range is from -20°C to 85°C. - Does the MC34704AEPR2,528 support dynamic voltage scaling?
Yes, it supports dynamic voltage scaling on all regulators. - What are some common applications for the MC34704AEPR2,528?
Common applications include mobile devices, embedded systems, automotive electronics, industrial control systems, and consumer electronics requiring multiple voltage rails.
