Overview
The MC34704BEPR2 is a multi-channel DC-DC Power Management IC (PMIC) designed by NXP USA Inc. to address the power management needs of various multimedia application microprocessors. This device is particularly suited for portable devices powered by Li-Ion or polymer batteries, as well as USB-powered devices. It leverages SMARTMOS technology to provide high efficiency and compact power management solutions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.7 | 5.5 | V | |
| Output Voltage Range (REG4) | VOUT | 0.6 | 3.6 | V | |
| Output Voltage Accuracy | ±2.0% | % | |||
| Switching Frequency | 2.0 MHz | MHz | |||
| Package Type | QFN56 (7x7 mm) | ||||
| Operating Temperature Range | TA | -20 | 85 | °C | |
| Shutdown Current (All regulators off, 5.5 V VIN) | 5.0 µA | µA |
Key Features
- 8 DC/DC (MC34704A) or 5 DC/DC (MC34704B) switching regulators with up to ±2% output voltage accuracy.
- Dynamic voltage scaling on all regulators.
- Selectable output voltage or current regulation on REG8.
- I2C programmability.
- 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.
Applications
The MC34704BEPR2 is ideal for various multimedia and portable devices, including those powered by Li-Ion or polymer batteries and USB-powered devices. It is particularly useful in applications requiring multiple independent output voltages with high efficiency and compact design, such as smartphones, tablets, and other handheld multimedia devices.
Q & A
- What is the input voltage range of the MC34704BEPR2? The input voltage range is from 2.7 V to 5.5 V.
- How many DC/DC switching regulators does the MC34704B have? The MC34704B has 5 DC/DC switching regulators.
- What is the maximum switching frequency of the MC34704BEPR2? The maximum switching frequency is up to 2.0 MHz.
- What is the package type and size of the MC34704BEPR2? The package type is QFN56, and the size is 7x7 mm.
- What is the operating temperature range of the MC34704BEPR2? The operating temperature range is from -20°C to 85°C.
- Does the MC34704BEPR2 support I2C programmability? Yes, it supports I2C programmability.
- What kind of protection features does the MC34704BEPR2 have? It includes overcurrent limit detection, short-circuit protection, and thermal limit detection for each regulator.
- What is the shutdown current when all regulators are off at 5.5 V VIN? The shutdown current is 5.0 µA.
- Is the MC34704BEPR2 suitable for USB-powered devices? Yes, it is suitable for USB-powered devices.
- What technology does the MC34704BEPR2 use? It uses SMARTMOS technology.
