BQ24133
Description
The BQ24133 device is a highly integrated standalone Li-Ion and Li-Polymer switched-mode battery charger with two integrated N-channel power MOSFETs. The device offers a constant-frequency synchronous PWM controller with high accuracy regulation of input current, charge current, and voltage.
Key Features
- 1.6-MHz Synchronous switched-mode charger with 2.5-A integrated N-MOSFETs
- Up to 92% efficiency
- 30-V Input rating with adjustable overvoltage protection – 4.5-V to 17-V Input operating voltage
- Battery charge voltage – 1-Cell, 2-cell, or 3-cell with 4.2 V/cell
- Accuracy – ±0.5% Charge voltage regulation – ±5% Charge current regulation – ±6% Input current regulation
- <15-μA Battery current with adapter removed
- <1.5-mA Input current with adapter present and charge disabled package ADAPTER+ D1 RAC
