SUN4001 is a high-precision linear lithium battery charger control circuit. It integrates high-precision pre-charging, constant current charging, constant voltage charging, battery status detection, temperature monitoring, low leakage after charging, charging status indication, battery internal resistance compensation and other functions. It can be widely used in PDA, mobile phone, handheld equipment and other fields.
The SUN SUN4001 is an integrated circuit designed for high‑accuracy linear lithium‑battery charging. It supports multiple charging modes, protection functions and a sleep mode for low‑power operation. The device is supplied in SOP‑8 or MSOP‑8 packages and is intended for use in portable electronics such as PDAs and mobile phones.
The datasheet provides detailed pin definitions, absolute maximum ratings, typical electrical characteristics, and example application circuits. Designers can use the provided specifications to size external components, set charging thresholds and implement the controller in their battery‑powered products. This manual is written in Chinese.
| VCC Minimum | 1.350 V |
|---|---|
| VCC Maximum | 1.750 V |
| V BAT Minimum | 2.94 V |
| V BAT Maximum | 4.20 V |