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

應(yīng)用 Application

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