BQ2145LB-KT

更新时间： 2024-11-05 22:18:27

品牌	Logo	应用领域
德州仪器 - TI		电池
页数	文件大小	规格书
7页	835K
描述
Smart Battery Module with LEDs

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中文翻译

获取价格

数据手册

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BQ2145LB-KT 数据手册

Preliminary bq2145

Smart Battery Module with LEDs

Features

Complete smart battery solution for NiCd, NiMH,

and Li-Ion battery packs

Based on the bq2945 Gas Gauge IC

Accurate measurement of available battery

capacity

Designed for battery pack integration:

–

Measures only 2.5 (L) x 0.7 (W) inches

Includes Gas Gauge IC, configuration

EEPROM, and sense resistor

–

Five onboard state-of-charge LEDs with

push-button activation

Low operating current for minimal battery

drain

A module development kit is also available for the

bq2145. The bq2145B-KT or the bq2145LB-KT includes

one configured module and the following:

Critical battery information available over two-wire

serial port

1) An EV2200-45 interface board that allows connec-

tion to the serial port of any AT-compatible com-

puter.

General Description

2) Menu-driven software to display charge/discharge

activity and to allow user interface to the Gas

Gauge IC and serial E²PROM from any standard

Windows 95 or 3.1x PC.

The bq2145 Smart Battery Module provides a complete

solution for the design of intelligent battery packs. The

bq2145 uses the SMBus protocol and supports Smart

Battery Data commands in the SMB/SBD specifications.

Designed for battery pack integration, the bq2145 com-

bines the bq2945 Gas Gauge IC with a serial EEPROM

on a small printed circuit board. The board includes all

the necessary components to accurately monitor battery

capacity and communicate critical battery parameters to

the host system or battery charger. The bq2145 also in-

cludes five LEDs. The push-button switch activates the

LEDs to show remaining battery capacity in 20% incre-

ments.

Pin Descriptions

BAT+/Battery positive/Pack positive

PACK-/Pack negative

SMBC/Communications clock

SMBD/Serial data

B+

P-

Contacts are provided on the bq2145 for direct connec-

tion to the battery stack (B+, B-) and the two-wire inter-

face (C, D). Please refer to the bq2945 data sheet for

specific information on the operation of the Gas Gauge

and communication interface.

BAT-/Battery negative

Control pin 2

B-

CP2

CP1

Control pin 1

Unitrode configures the bq2145 based on the informa-

tion requested in Table 1. The configuration defines the

pack voltage, capacity, and chemistry and charge control

parameters. The Smart Battery Module uses the on-

board sense resistor to track charge and discharge activ-

ity of the battery pack. Figure 1 shows how the module

connects to the cells.

5/99

12 3 4 5 6 7

中文翻译

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与BQ2145LB-KT相关器件

型号	品牌	获取价格	描述	数据表
BQ2145LB-XXX	TI	获取价格	Smart Battery Module with LEDs
BQ2145LMODULE	TI	获取价格	IC DC-DC REG PWR SUPPLY MODULE, Power Supply Module
BQ2148	TI	获取价格	Smart Battery Module with LEDs and Pack Supervisor
BQ2148B	TI	获取价格	BQ2148B
BQ2148B-	TI	获取价格	Smart Battery Module with LEDs and Pack Supervisor
BQ2148B-KT	TI	获取价格	Smart Battery Module with LEDs and Pack Supervisor
BQ2148B-XXX	TI	获取价格	Smart Battery Module with LEDs and Pack Supervisor
BQ2148LB	TI	获取价格	BQ2148LB
BQ2148LB-	TI	获取价格	Smart Battery Module with LEDs and Pack Supervisor
BQ2148LB-KT	TI	获取价格	Smart Battery Module with LEDs and Pack Supervisor

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