uP8306数据手册uPI(UBIQ)中文资料规格书

描述 Description

The uP8306 series is used for secondary protection oflithium-ion rechargeable batteries, and incorporates a highaccuracyvoltage detection circuit and a delay circuit. Shortcircuits between cells accommodate series connection oftwo to four cells. uP8306 is available in theUUTDFN1.97X2.46-8L and WDFN2x2-8L packages.

特性 Features

• High-Accuracy Voltage Detection Circuit for Each Cell
• Overcharge Detection Voltage n (n =1 to 4)
• 4.0V to 4.6V (in 50 mV steps).
• Accuracy :20 mV (+25°C),.
• Accuracy :25 mV (0°C to +60°C).

• Overcharge Hysteresis Voltage n (n = 1 to 4)
•0.38 ±150mV.


• Delay Time for Overcharge Detection Can be Set by an Internal Circuit (No ExternalCapacitor Required)
• Optional Overcharge Detection Delay Time: 4s or 6s

• Output Control Function via CTL Pin
• High Withstand Voltage Devices:
• Absolute Maximum Rating: 32V
• Wide Operating Voltage Range: 4V to 24V

• Wide Operating Temperature Range: -40°C to+85°C
•Low Current Consumption
• At 3.1V for Each Cell: 4.0uA max. (+25°C)

• CO Pull Up Voltage: VDD - 0.1V
• Support Test Mode to Shorten Mass Production Time
• RoHS Compliant and Halogen Free

应用 Application

• Lithium-ion Rechargeable Battery Packs (for Secondary Protection).
• Notebook Computers.
• Portable Instrumentation or Equipment.
• Rechargable Batteries in Serial Application.