AC/DC converters | DC/DC converters | DC/DC converters with built-in switching FET | Lithium battery charger ICs | Supply Voltage Monitoring | Power management switches |
Lithium Battery Charger ICs
Used in portable products that use Li-ion batteries, such as notebook computers. *: Ta = -10 °C to 85 °C
| Model | Maximum oscil- lation freq- uency |
Power supply voltage (V) | Output voltage | Accuracy | Package | Method | FET compa- tibility |
Remarks | |
|---|---|---|---|---|---|---|---|---|---|
| Ta=25°C | Ta=-30 to +85°C | ||||||||
| MB3832A |
500kHz | 3.6V to 18V | Optional | ±0.5% | ±1.0%* | SSOP20 | Step down | Yes | 1 to 3 cells, Output voltage can be set externally. |
| MB3874 |
500kHz | 7V to 25V | 12.6V | ±0.8% | ±1.0% | SSOP24 | Step down | Yes | 3-cell, Parallel charging, dynamically controlled charging |
| MB3875 |
500kHz | 7V to 25V | 12.6V | ±0.8% | ±1.0% | SSOP24 | Step down | Yes | 3-cell, dynamically controlled charging possible |
| MB3876 |
500kHz | 7V to 25V | 16.8V | ±0.8% | ±1.0% | SSOP24 | Step down | Yes | 4-cell, Parallel charging, dynamically controlled charging |
| MB3877 |
500kHz | 7V to 25V | 16.8V | ±0.8% | ±1.0% | SSOP24 | Step down | Yes | 4-cell, Dynamically controlled charging possible |
| MB3878 |
500kHz | 7V to 25V | 4.2V/cell | ±0.8% | ±1.0% | SSOP24 | Step down | Yes | 1-4 cells, Dynamically controlled charging possible |
| MB3887 |
500kHz | 8V to 25V | 4.2V/cell | ±0.5% | ±0.74%* | SSOP24 | Step down | Yes | 1-4 cells, Dynamically controlled charging possible, High-charging current accuracy |
| MB3888 |
500kHz | 8V to 25V | Optional | ±0.5% | ±0.74%* | SSOP20 | Step down | Yes | 1 to 4 cells, High-charging current accuracy |
| MB3879 |
500kHz | 8V to 25V | 12.6V/16.8V 12.3V/16.4V | ±0.8% ±0.9% | ±1.0% ±1.1% | LQFP48 | Step down | Yes | Supports 3/4 cells, 2-mode charging possible (dynamically controlled charging, differential charging) |
| MB39A113 |
500kHz | 8V to 25V | 4.2V/cell | ±0.5% | ±0.74%* | SSOP24 | Step down | Yes | 1 to 4 cells, Built-in 2-mode constant current control circuilt, Built-in low voltage protection function, Constant voltage control function enables detection of false full charge, Built-in function to detect overvoltage in charging voltage |
| MB39A114 |
500kHz | 8V to 25V | 12.6V/16.8V | ±0.5% | ±0.74%* | SSOP24 | Step down | Yes | 3/4 cells, Built-in 2-mode constant current control circuilt, Built-in low voltage protection function, Constant voltage control function enables detection of false full charge, Built-in function to detect overvoltage in charging voltage Built-in output setting resistor Built-in function to switch output setting voltage |
| MB39A119 |
1MHz | 8V to 25V | 4.2V/cell | ±0.5% | ±0.74%* | QFN28 | Step down | Yes | 1 to 4 cells, Built-in 2 mode constant current control circuilt, Built-in AC adaptor detection function, Built-in off time control function, Constant voltage control function enables detection of false full charge, Synchronous rectification for Nch MOS FET |
| MB39A125 |
500kHz | 8V to 25V | 4.2V/cell | ±1% | ±0.74%* | SSOP24, | Step down | Yes | 1 to 4 cells, Dynamically controlled charging possible, ACOK function included |
| MB39A126 |
500kHz | 8V to 25V | 12.6V/16.8V | ±1% | ±0.8%* | SSOP24, | Step down | Yes | 3/4 cells, Dynamically controlled charging possible, ACOK function included |
| MB39A129 |
2MHz | 8V to 25V | 4.1V/4.2V/cell | ±0.3% | ±0.5%* | TSSOP-24, SSOP-24 | Step down | Yes | 2, 3, 4 cells, Charging voltage can be set without externally attached resistor, Charging current can be set without externally attached resistor, Dynamically controlled charging possible ACOK function included |
