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bq29411

Features: ` 2-, 3-, or 4-Cell Secondary Protection` Low Power Consumption ICC < 2 µA [VCELL(ALL) < V(PROTECT)]` Fixed High Accuracy Overvoltage Protection Threshold bq29410 = 4.35 V bq29411 = 4.40 V bq29412 = 4.45 V` Programmable Delay Time of Detection` High Power Supply Ripple Reject...

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SeekIC No. : 004301286 Detail

bq29411: Features: ` 2-, 3-, or 4-Cell Secondary Protection` Low Power Consumption ICC < 2 µA [VCELL(ALL) < V(PROTECT)]` Fixed High Accuracy Overvoltage Protection Threshold bq29410 = 4.35 V bq29...

bq29411 Data Sheet

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Part Number:
bq29411
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/25

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Product Details

Description



Features:

` 2-, 3-, or 4-Cell Secondary Protection
` Low Power Consumption ICC < 2 µA [VCELL(ALL) < V(PROTECT)]
` Fixed High Accuracy Overvoltage Protection Threshold
bq29410 = 4.35 V
bq29411 = 4.40 V
bq29412 = 4.45 V
` Programmable Delay Time of Detection
` High Power Supply Ripple Rejection
` Stable During Pulse Charge Operation


Application

` 2nd-Level Overvoltage Protection in Li-Ion Battery Packs in:
Notebook Computers
Portable Instrumentation
Portable Equipment


Pinout

Connection Diagram


Specifications

  UNIT
Supply voltage range VDD 0.3 V to 28 V
Input voltage range VC1, VC2, VC3, VC4 0.3 V to 28 V
VC1 TO VC2, VC2 TO VC3, VC3 TO VC4, VC4 TO GND 0.3 V to 28 V
Output voltage range OUT 0.3 V to 28 V
CD 0.3 V to 28 V
OpContinuous total power dissipation See Dissipation Rating Table
Storage temperature range, Tstg 65°C to 150°C
Lead temperature (soldering, 10 s) 300°C

(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to ground of this device except the differential voltage of VC1-VC2, VC2-VC3, VC3-VC4, and VC4-GND.




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.




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