Overview
The ADP2140ACPZ1528R7 is a power management integrated circuit (PMIC) produced by Analog Devices Inc. This component integrates a high-efficiency, low-quiescent current step-down DC-to-DC converter and a low-dropout (LDO) regulator. It is packaged in a compact 10-lead 3 mm × 3 mm LFCSP (Lead Frame Chip Scale Package) with an exposed pad, making it suitable for space-constrained applications.
The ADP2140 is designed to provide efficient power management solutions, particularly in portable and battery-powered devices, where minimizing power consumption is crucial for extending battery life.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Package | 10-VFDFN Exposed Pad, CSP | Compact 3 mm × 3 mm Lead Frame Chip Scale Package |
| Number of Pins | 10 | Total number of pins on the component |
| Operating Temperature | -40°C to 125°C | Range of ambient temperature for operation |
| Output Voltage | Adjustable from 0.6V to 5.5V (Buck), 1.5V (LDO) | Output voltage range for the step-down DC-to-DC converter and LDO regulator |
| Output Current | 600 mA (Buck), 300 mA (LDO) | Maximum output current for each regulator |
| Switching Frequency | Up to 3 MHz | Frequency of the PWM control scheme for the buck regulator |
| Input Voltage Range | 2.3V to 5.5V | Range of input voltages that the component can operate with |
| Quiescent Current | Typically 65 µA | Current drawn by the component when it is in standby or low-power mode |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | Susceptibility to moisture-induced damage during storage and soldering |
Key Features
- High Efficiency Buck Regulator: The ADP2140 features a high-efficiency step-down DC-to-DC converter with a proprietary high-speed current-mode, constant frequency PWM control scheme for excellent stability and transient response.
- Low Quiescent Current: The component has a low quiescent current to ensure long battery life in portable applications, with a power-saving variable frequency mode to reduce power consumption.
- Compact Package: The 10-lead 3 mm × 3 mm LFCSP package makes it ideal for space-constrained designs.
- Adjustable Output Voltage: The output voltage of the buck regulator is adjustable from 0.6V to 5.5V, and the LDO regulator provides a fixed 1.5V output.
- Minimal External Components: The total solution requires only four tiny external components, including capacitors and an inductor, making it a simple and cost-effective solution.
Applications
- Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and handheld gaming consoles where power efficiency is critical.
- Industrial Control Systems: Suitable for industrial control systems that require reliable and efficient power management.
- Medical Devices: Can be used in medical devices that need compact and efficient power solutions.
- Consumer Electronics: Applicable in various consumer electronics such as set-top boxes, routers, and other small form factor devices.
Q & A
- What is the package type of the ADP2140ACPZ1528R7?
The ADP2140ACPZ1528R7 is packaged in a 10-lead 3 mm × 3 mm LFCSP (Lead Frame Chip Scale Package) with an exposed pad.
- What are the operating temperature ranges for the ADP2140?
The operating temperature range for the ADP2140 is from -40°C to 125°C.
- What are the output voltage and current capabilities of the ADP2140?
The ADP2140 features a step-down DC-to-DC converter with an adjustable output voltage from 0.6V to 5.5V and a maximum output current of 600 mA. Additionally, it includes a 300 mA LDO regulator with a fixed 1.5V output.
- What is the typical quiescent current of the ADP2140?
The typical quiescent current of the ADP2140 is 65 µA, which helps in extending battery life in portable applications.
- How many external components are required for the ADP2140 solution?
The total solution requires only four tiny external components, including capacitors and an inductor.
- What is the switching frequency of the buck regulator in the ADP2140?
The switching frequency of the buck regulator in the ADP2140 can be up to 3 MHz.
- What is the input voltage range for the ADP2140?
The input voltage range for the ADP2140 is from 2.3V to 5.5V.
- What is the moisture sensitivity level (MSL) of the ADP2140ACPZ1528R7?
The moisture sensitivity level (MSL) of the ADP2140ACPZ1528R7 is 3, indicating a susceptibility to moisture-induced damage for up to 168 hours.
- In what types of applications is the ADP2140 commonly used?
The ADP2140 is commonly used in portable electronics, industrial control systems, medical devices, and various consumer electronics where efficient power management is required.
- What are the benefits of using the ADP2140 in power management designs?
The benefits include high efficiency, low quiescent current, compact packaging, adjustable output voltage, and minimal external component requirements, making it ideal for space-constrained and power-efficient designs.
