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BQ29410DCT3RE6 Datasheet

  • BQ29410DCT3RE6

  • Texas Instruments [VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL...

  • 158.93KB

  • TI

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bq29410, bq29411, bq29412
bq29413, bq29414, bq29415
www.ti.com
SLUS669D 鈥?AUGUST 2005 鈥?REVISED OCTOBER 2006
VOLTAGE PROTECTION FOR 2-, 3-, OR 4-CELL Li-Ion BATTERIES
(2
nd
-LEVEL PROTECTION)
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
2-, 3-, or 4-Cell Secondary Protection
Low Power Consumption I
CC
< 2 碌A
[VCELL
(ALL)
< V
(PROTECT)
]
Fixed High Accuracy Overvoltage Protection
Threshold
鈥?bq29410 = 4.35 V
鈥?bq29411 = 4.40 V
鈥?bq29412 = 4.45 V
鈥?bq29413 = 4.50 V
鈥?bq29414 = 4.55 V
鈥?bq29415 = 4.60 V
Programmable Delay Time of Detection
High Power Supply Ripple Rejection
Stable During Pulse Charge Operation
FUNCTION
Each cell in a multiple-cell pack is compared to an
internal reference voltage. If one cell reaches an
overvoltage condition, the protection sequence
begins. The bq2941x device starts charging an
external capacitor through the CD pin. When the CD
pin voltage reaches 1.2 V, the OUT pin changes
from a low level to a high level.
DCT PACKAGE
(TOP VIEW)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
OUT
VDD
CD
VC4
1
2
3
4
8
7
6
5
VC1
VC2
VC3
GND
APPLICATIONS
2
nd
-Level Overvoltage Protection in Li-Ion
Battery Packs in:
鈥?Notebook Computers
鈥?Portable Instrumentation
鈥?Portable Equipment
VC1
VC2
VC3
GND
1
2
3
4
PW PACKAGE
(TOP VIEW)
8
7
6
5
OUT
VDD
CD
VC4
DESCRIPTION
The bq2941x is a secondary overvoltage protection
IC for 2-, 3-, or 4-cell lithium-ion battery packs that
incorporates a high-accuracy precision overvoltage
detection circuit. It includes a programmable delay
circuit for overvoltage detection time.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005鈥?006, Texas Instruments Incorporated

BQ29410DCT3RE6 PDF文件相关型号

bq29410PWRG4,bq29411DCTR,BQ29411DCTRG4,BQ29412DCT3RE6,bq29412DCTT,BQ29412DCTTG4,bq29412PWG4,BQ29413DCTRG4,bq29413DCTT,BQ29413DCTTG4,BQ29413PWG4,BQ29414DCTTG4,bq29414PW,bq29414PWR,BQ29414PWRG4,bq29419PWR

BQ29410DCT3RE6 产品属性

  • 3,000

  • 集成电路 (IC)

  • PMIC - 电池管理

  • -

  • 过压/欠压保护

  • 锂离子（Li-Ion）

  • 4 V ~ 25 V

  • -40°C ~ 110°C

  • 表面贴装

  • 7-LSSOP（0.11"?，2.80mm 宽）

  • SM8

  • 带卷 (TR)

  • 296-22907-ND - MODULE EVAL BQ20Z90/29330/29412296-30729-ND - MODULE EVAL BQ20Z70/29330/29412

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