Datasheet > BQ2164B-KT

BQ2164B-KT

更新时间： 2024-11-08 22:27:43

品牌	Logo	应用领域
德州仪器 - TI		电池仪表
页数	文件大小	规格书
7页	145K
描述
NiCd or NiMH Gas Gauge Module with Fast-Charge Control

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中文翻译

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数据手册

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BQ2164B-KT 数据手册

bq2164

NiCd or NiMH Gas Gauge Module

with Fast-Charge Control

Features

Complete bq2004/bq2014 battery management

solution for NiCd or NiMH pack

Accurate battery state-of-charge monitoring

Reliable fast charge termination

Automatic full capacity calibration

specified in the configuration table. They consist of the fast

charge hold-off, safety timers, and the pulse trickle rate as

shown in the bq2004 data sheet. The bq2164 is optimized for

temperature termination with the thermistor provided with

the development kit. Figure 1 shows how the module con-

nects to the cells.

Battery information available over a single-wire

bi-directional serial port

Nominal capacity, cell chemistry, and charge control

parameters pre-configured

Compact size for battery pack integration

The sense resistor value and type should also be specified

on the configuration sheet. The two options available are

a 3W through-hole type or a 1W surface-mount type.

Please refer to the application note entitled “A Tutorial for

Gas Gauging” to select the proper value.

General Description

The bq2164 Gas Gauge Module provides a complete and

compact battery management solution for NiCd and NiMH

battery packs. Designed for battery pack integration, the

bq2164 combines the bq2014 Gas Gauge IC with the

bq2004 Fast-Charge IC on a small printed circuit board.

The board includes all the necessary components to accu-

rately monitor the capacity and reliably terminate fast

charge of 5 to 10 series cells.

A module development kit is also available for the

bq2164. The bq2164B-KT includes one configured mod-

ule and the following:

1) A serial interface board that allows connection to

the RS-232 port of an AT-compatible computer.

2) Menu-driven software with the bq2164 to display

charge/discharge activity and to allow user inter-

face to the bq2014 from any standard DOS PC.

The gas gauge IC uses the onboard sense resistor to track

charge and discharge activity of the battery pack. The fast

charge IC gates a current-limited or constant-current charg-

ing supply connected to PACK+. Charging termination is

based on ∆T/∆t or -∆V/PVD, maximum temperature, time,

and voltage. The bq2004 signals charge completion to the

bq2014 to indicate full capacity. The charge complete signal

to the gas gauge eliminates the need to fully cycle the bat-

tery pack to initially calibrate full pack capacity.

3) Source code for the TSR.

4) A Philips 10K NTC Thermistor type 2322-640-

63103.

Pin Description

Contacts are provided on the bq2164 for direct connec-

tion to the battery stack (BAT+, BAT-), the gas gauge's

communications port (DQ), and the thermistor

(THERM+, THERM). The thermistor is required for

temperature fast charge termination. Please refer to the

bq2004 and bq2014 data sheets for the specifics on the

operation of the gas gauge and the fast charge ICs.

DQ/Serial communication port

BAT+/Battery positive

PACK+/Pack positive

PACK-/Pack negative

Unitrode configures the bq2164 based on the informa-

tion requested in Table 1. The configuration defines

the number of series cells, the nominal battery pack

capacity, the self-discharge rate, and the fast charge

control parameters. The control parameters depend on

the charge rate, cell chemistry and termination technique

BAT-/Battery negative

THERM+/Thermistor positive

THERM-/Thermistor negative

MOD/Fast charge control output

9/96

12 3 4 5 6 7

中文翻译

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与BQ2164B-KT相关器件

型号	品牌	获取价格	描述	数据表
BQ2164B-XXX	TI	获取价格	NiCd or NiMH Gas Gauge Module with Fast-Charge Control
BQ2167	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2167B-	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2167B-KT	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2167B-XXX	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2167LB-	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2167LB-KT	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2167LB-XXX	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2168	TI	获取价格	Li-Ion Power Gauge⑩ Module with Pack Supervis
BQ2168B	TI	获取价格	BQ2168B

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