Overview
The ADP5052ACPZ-R7, produced by Analog Devices Inc., is a highly integrated power management IC that combines four high-performance buck regulators and one 200 mA low dropout (LDO) regulator. This device is packaged in a 48-lead LFCSP (Lead Frame Chip Scale Package) and is designed to meet demanding performance and board space requirements. It allows for direct connection to high input voltages up to 15 V without the need for preregulators, making it suitable for a wide range of power management applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Input Voltage Range | 4.5 V to 15 V | V | |
| Output Current (Buck Regulators) | Channel 1: 1.2 A, 2.5 A, or 4 A Channel 2: 1.2 A, 2.5 A, or 4 A Channel 3 and 4: 1.2 A | A | Combining Channel 1 and 2 can provide up to 8 A |
| LDO Regulator Output Current | 200 mA | mA | |
| Switching Frequency | 250 kHz to 1.4 MHz | kHz to MHz | Programmable or synchronized to an external clock |
| Package Type | 48-lead LFCSP (7x7 mm) | ||
| Feedback Voltage Accuracy | -1.5% to +1.5% (TJ = -40°C to +125°C) | % | |
| High-Side Power FET On Resistance | 110 mΩ (typical) | mΩ |
Key Features
- Four high-performance buck regulators with programmable output currents (1.2 A, 2.5 A, or 4 A) and the ability to combine channels for higher current outputs.
- One 200 mA low dropout (LDO) regulator with low quiescent current and low dropout voltage.
- High-side power MOSFETs and low-side MOSFET drivers integrated in the device, with the option to use external NFETs for optimized efficiency.
- Programmable switching frequency or synchronization to an external clock.
- Precision enable pins for easy power-up sequencing or adjustable undervoltage lockout (UVLO) threshold.
- General-purpose LDO regulator suitable for various power management needs.
Applications
The ADP5052ACPZ-R7 is suitable for a variety of applications that require high-performance power management, including:
- Industrial control systems
- Medical devices
- Automotive systems
- Communication infrastructure
- Consumer electronics requiring multiple voltage rails
Q & A
- What is the input voltage range of the ADP5052ACPZ-R7?
The input voltage range is from 4.5 V to 15 V. - How many buck regulators does the ADP5052ACPZ-R7 have?
The device has four high-performance buck regulators. - What is the maximum output current of the LDO regulator?
The LDO regulator can provide up to 200 mA of output current. - Can the switching frequency be programmed or synchronized?
Yes, the switching frequency can be programmed or synchronized to an external clock. - What is the package type of the ADP5052ACPZ-R7?
The device is packaged in a 48-lead LFCSP (7x7 mm). - Can the output currents of the buck regulators be combined?
Yes, combining Channel 1 and Channel 2 can provide a single output with up to 8 A of current. - What is the feedback voltage accuracy of the buck regulators?
The feedback voltage accuracy is -1.5% to +1.5% over the temperature range of -40°C to +125°C. - Does the device support external NFETs for low-side power devices?
Yes, external NFETs can be used to achieve an efficiency-optimized solution. - What is the purpose of the precision enable pins?
The precision enable pins are used for easy power-up sequencing or adjustable UVLO threshold. - What types of applications is the ADP5052ACPZ-R7 suitable for?
The device is suitable for industrial control systems, medical devices, automotive systems, communication infrastructure, and consumer electronics requiring multiple voltage rails.
