Overview
The ADP5050ACPZ-R7 is a highly integrated power management IC (PMIC) designed by Analog Devices Inc. This component combines four high-performance synchronous buck regulators and one low dropout (LDO) regulator, making it an ideal solution for demanding applications that require multiple voltage rails. The ADP5050ACPZ-R7 is packaged in a 48-lead, 7 mm × 7 mm LFCSP package, ensuring a compact footprint while maintaining high performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Voltage Range | 4.5 | 15.0 | V | PVIN1, PVIN2, PVIN3, PVIN4 pins | |
| Output Current (Buck Regulators) | 1.2 A / 2.5 A / 4 A | A | Channel 1 and Channel 2 | ||
| Output Current (LDO Regulator) | 200 mA | mA | Channel 5 | ||
| Switching Frequency | 250 kHz | 1.4 MHz | Hz | Programmable or synchronized to an external clock | |
| Output Voltage Accuracy | −1.5% | +1.5% | % | Over full temperature range | |
| Junction Temperature Range | −40°C | +125°C | °C | ||
| Package Type | 48-lead LFCSP | 7 mm × 7 mm |
Key Features
- Four high-performance synchronous buck regulators with programmable output currents (1.2 A, 2.5 A, 4 A) and one 200 mA LDO regulator.
- Wide input voltage range: 4.5 V to 15 V.
- Adjustable/fixed output options via factory fuse or I2C interface.
- Dynamic voltage scaling (DVS) for Channel 1 and Channel 4.
- Precision enable with 0.8 V accurate threshold.
- Active output discharge switch and programmable phase shift in 90° steps.
- Individual channel FPWM/PSM mode selection and frequency synchronization input or output.
- Optional latch-off protection on OVP/OCP failure and power-good flag on selected channels.
- Low input voltage detection, overheat detection on junction temperature, UVLO, OCP, and TSD protection.
Applications
- Small cell base stations.
- FPGA and processor applications.
- Security and surveillance systems.
- Medical applications.
Q & A
- What is the input voltage range of the ADP5050ACPZ-R7?
The input voltage range is from 4.5 V to 15 V.
- How many buck regulators and LDO regulators does the ADP5050ACPZ-R7 have?
The ADP5050ACPZ-R7 has four synchronous buck regulators and one 200 mA LDO regulator.
- What is the switching frequency range of the ADP5050ACPZ-R7?
The switching frequency can be programmed or synchronized to an external clock and ranges from 250 kHz to 1.4 MHz.
- What is the junction temperature range of the ADP5050ACPZ-R7?
The junction temperature range is from −40°C to +125°C.
- Does the ADP5050ACPZ-R7 support I2C interface?
- What are some of the protection features of the ADP5050ACPZ-R7?
The ADP5050ACPZ-R7 includes UVLO, OCP, TSD protection, low input voltage detection, and overheat detection on junction temperature.
- What is the package type and size of the ADP5050ACPZ-R7?
The ADP5050ACPZ-R7 is packaged in a 48-lead LFCSP package, measuring 7 mm × 7 mm.
- Can the output voltages be adjusted?
- What are some typical applications of the ADP5050ACPZ-R7?
- Does the ADP5050ACPZ-R7 support dynamic voltage scaling?
