The SP6687 is a compact, highly efficient and highly integrated 4 channel charge pump white LED driver from Sipex Corporation. This device is available in a 4mm x 4mm, 16 pin QFN package and can support from 1 to 4 White LEDs. It is optimized for Li-Ion battery applications.
The SP6687 is a compact, highly efficient 4‑channel charge‑pump white LED driver designed for Li‑ion battery applications. It supports 1‑4 white LEDs, offers three programmable charge‑pump modes (X1, X1.5, X2), and includes soft‑start, short‑circuit, over‑voltage, and thermal‑shutdown protection.
The datasheet provides pin descriptions, absolute maximum ratings, electrical characteristics, typical application circuits, and package dimensions (16‑pin QFN 4 mm × 4 mm). It also details LED current setting, dimming control methods, and ordering information for the SP6687ER1‑L/TR variant.
| Input Supply Voltage | 2.85 V to 5.5 V |
|---|---|
| LED Current per Channel | up to 30 mA |
| Efficiency | > 90 % |
| Oscillator Frequency | 0.8 MHz to 1.2 MHz |
| Package | 16‑pin QFN 4 mm × 4 mm |
Each channel can drive up to 30 mA of LED current.
The device provides three charge‑pump modes: X1, X1.5, and X2.
The device is supplied in a 16‑pin QFN package measuring 4 mm × 4 mm.