PCA9420: PMIC for Low Power Applications
Overview
Features
Features
Optimized for low-power applications
- Typical 100 nA quiescent current in ship mode
- Small total solution size
Linear battery charger for charging single-cell Li-ion battery
- 20 V tolerance on VIN pin
- Programmable constant current (up to 315 mA) and precharge low voltage current threshold
- Programmable constant voltage regulation
- Built-in protection features such as input OVP, battery SCP, thermal protection
- JEITA compliant
- Battery attached detection
Two step-down DC-DC (Buck) converters
- Programmable output voltage
- SW1: core buck converter, 0.5 V ~ 1.5 V output, 25 mV/step, and a fixed 1.8 V, up to 250 mA
- SW2: system buck converter, 1.5 V ~ 2.1 V/2.7 V ~ 3.3 V output, 25 mV/step, up to 500 mA
- Low-power mode for extra power saving
Two LDOs
- Programmable output voltage regulation
- LDO1: always-on LDO, 1.70 V ~ 1.90 V output, 25 mV/step, up to 1 mA
- LDO2: system LDO, 1.5 V ~ 2.1 V/2.7 V ~ 3.3 V output, 25 mV/step, up to 250 mA
Offered in two package options
- 2.09 mm x 2.09 mm, 5 x 5 bump, 0.4 mm pitch WLCSP
- 3 mm x 3 mm, 24-pin QFN
Key Parametrics
-
- MCU Supported
- i.MX RT
-
- Output Current (A)
- 0.5
-
- Number of Buck Regulators
- 2
-
- Number of LDO
- 2
-
- Interface and Input Control
- I2C
Development Boards and Designs
Development Boards and Designs
MIMXRT685-EVK:i.MX RT600 Evaluation Kit
MIMXRT595-EVK:i.MX RT595 Evaluation Kit
PCA9420: Evaluation board.
Target Applications
Industrial
Mobile
Smart Home
- Audio Subsystems
Technologies
- Voice Recognition Consumer Electronics
- Voice UI enabled IoT Devices