HT4089 | Electronic Cigarette Optimized Charger IC with MCU-Compatible CE Control | HOTCHIP

HT4089 charging IC from HOTCHIP is optimized for electronic cigarette applications, featuring intelligent thermal regulation, adjustable charging current, multi-state output control, and MCU-friendly low-level CE function for flexible system integration.

Key Features
Optimized for electronic cigarette charging systems
Intelligent thermal current regulation
Adjustable charging current control
Built-in overvoltage protection (OVP)
Battery temperature detection support
Battery reverse protection
MCU-compatible low-level CE control
Supports 0V battery charging capability
Input voltage range up to 40V
High precision linear charging (±1%)
ESOP8 / DFN8 package
Applications
Electronic cigarette chargers
Digital cameras
PDA devices
Mobile phones
Portable handheld devices
Toy charging systems