BQ2031PN-A5E4中文资料德州仪器数据手册PDF规格书

特性 Features

➤ Conforms to battery manufacturers'

charge recommendations for

cyclic and float charge

➤ Pin-selectable charge algorithms

- Two-Step Voltage with

temperature-compensated

constant-voltage maintenance

- Two-Step Current with

constant-rate pulsed current

maintenance

- Pulsed Current: hysteretic,

on-demand pulsed current

➤ Pin-selectable charge termination

by maximum voltage,Δ2V, minimum

current, and maximum

time

➤ Pre-charge qualification detects

shorted, opened, or damaged cells

and conditions battery

➤ Charging continuously qualified by

temperature and voltage limits

➤ Internal temperature-compensated

voltage reference

➤ Pulse-width modulation control

- Ideal for high-efficiency

switch-mode power conversion

- Configurable for linear or

gated current use

➤ Direct LED control outputs display

charge status and fault conditions