Overview
The PCA9420UKZ, produced by NXP USA Inc., is a highly integrated Power Management IC (PMIC) designed to provide a comprehensive power management solution for low-power microcontroller applications. This device is tailored to support a wide range of power management needs, including battery charging, voltage regulation, and power supply management. The PCA9420UKZ features advanced protection mechanisms and flexible configuration options, making it an ideal choice for various low-power electronic systems.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 25-WLCSP (2.09x2.09 mm), 24-pin QFN (3x3 mm) |
| Linear Battery Charger | Up to 315 mA current, I2C programmable Constant Current (CC) and Constant Voltage (CV) values |
| Step-Down DC-DC Converters | Two buck regulators with I2C programmable output voltage, integrated high-side and low-side switches |
| LDO Regulators | Two on-chip LDOs: LDO1 (1.70 V to 1.90 V, up to 1 mA), LDO2 (1.5 V to 2.1 V/2.7 V to 3.3 V, up to 250 mA) |
| Protection Features | Input overvoltage protection, overcurrent protection, thermal protection, under-voltage lockout (UVLO) |
| Operating Temperature | -40 °C to +85 °C |
| I2C Interface | 1 MHz I2C-bus target interface |
Key Features
- Highly integrated PMIC for low-power microcontroller applications
- Linear battery charger with I2C programmable CC and CV values
- Two step-down DC-DC converters with integrated high-side and low-side switches and PFM for better efficiency under light load conditions
- Two on-chip LDO regulators for various voltage rails
- Advanced protection features including input overvoltage protection, overcurrent protection, thermal protection, and under-voltage lockout (UVLO)
- JEITA-compliant charging
- Low-power mode for extra power saving
- 1 MHz I2C-bus target interface
Applications
- Low-power microcontroller applications
- Other similar low-power electronic systems requiring comprehensive power management solutions
Q & A
- What is the PCA9420UKZ?
The PCA9420UKZ is a highly integrated Power Management IC (PMIC) designed for low-power microcontroller applications.
- What types of packages are available for the PCA9420UKZ?
The PCA9420UKZ is available in 25-WLCSP (2.09x2.09 mm) and 24-pin QFN (3x3 mm) packages.
- What are the key features of the linear battery charger in the PCA9420UKZ?
The linear battery charger can charge up to 315 mA current and has I2C programmable Constant Current (CC) and Constant Voltage (CV) values.
- How many step-down DC-DC converters does the PCA9420UKZ have, and what are their features?
The PCA9420UKZ has two step-down DC-DC converters with I2C programmable output voltage, integrated high-side and low-side switches, and PFM for better efficiency under light load conditions.
- What are the specifications of the LDO regulators in the PCA9420UKZ?
The PCA9420UKZ includes two on-chip LDO regulators: LDO1 (1.70 V to 1.90 V, up to 1 mA) and LDO2 (1.5 V to 2.1 V/2.7 V to 3.3 V, up to 250 mA).
- What protection features does the PCA9420UKZ offer?
The PCA9420UKZ offers input overvoltage protection, overcurrent protection, thermal protection, and under-voltage lockout (UVLO).
- What is the operating temperature range of the PCA9420UKZ?
The operating temperature range is -40 °C to +85 °C.
- Does the PCA9420UKZ support I2C interface?
Yes, the PCA9420UKZ supports a 1 MHz I2C-bus target interface.
- What are the typical applications of the PCA9420UKZ?
The PCA9420UKZ is typically used in low-power microcontroller applications and other similar low-power electronic systems.
- Is the PCA9420UKZ JEITA-compliant for charging?
Yes, the PCA9420UKZ is JEITA-compliant for charging.
