Key facts
- Brand
- Sun
- Model
- SUN4001
- Category
- Other device
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2011-11-06
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SUN 4001 Lithium Battery Charger Controller Datasheet
The SUN4001 is a high‑accuracy linear lithium‑ion/ lithium‑polymer battery charger controller designed for low‑cost portable chargers. It integrates pre‑charge, constant‑current, constant‑voltage charging, temperature monitoring, battery‑impedance compensation and status indication in a compact SOP8/MSOP8 package.
The document provides functional descriptions, pin assignments, electrical limits, typical performance parameters and package dimensions, enabling designers to implement the controller in devices such as PDAs, mobile phones and handheld equipment. This manual is written in Chinese.
Sun SUN4001 specifications
| Output voltage | 4.2 V |
|---|---|
| Re‑charge voltage | 4.075 V |
| Package | SOP‑8 |
| Supply voltage range (VCC) | 4.5 V – 12 V |
| Operating temperature | -40 °C to +85 °C |
| Maximum pre‑charge time | 10 – 20 min |
Source: SUN 4001 Lithium Battery Charger Controller Datasheet
All Sun SUN4001 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical output voltage of the SUN4001?
The controller provides a regulated output voltage of 4.2 V.
How can the pre‑charge current be adjusted?
The pre‑charge current is set by an external resistor R9 connected to the CS1 pin.