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bq2158

Features: Complete and compact lithium-ion pack supervisor Provides overvoltage,undervoltage,and overcurrent protection for three or four series Li-Ion cells Combines bq2058 with charge/discharge control FETs High side low on-resistance FETs Designed for battery pack integration Directconnectionf...

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bq2158: Features: Complete and compact lithium-ion pack supervisor Provides overvoltage,undervoltage,and overcurrent protection for three or four series Li-Ion cells Combines bq2058 with charge/discharge co...

bq2158 Data Sheet

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Part Number:
bq2158
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: 2024/5/13

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Product Details

Description



Features:

Complete and compact lithium-ion pack supervisor
Provides overvoltage,undervoltage,and overcurrent protection for three or four series Li-Ion cells
Combines bq2058 with charge/discharge control FETs
High side low on-resistance FETs
Designed for battery pack integration
   Directconnectionforseriesbatteryterminals
   Measures2.10X0.70inches
Low standby and operating currents


Specifications

Symbol Parameter Value Unit Notes
VOP Supply voltage (B1P to B4N) 18 V DC
VTR Maximum transient voltage (B1P to B4N) 32 V  Maximum duration =
1.5s
VCHG Charging voltage 18 V
ICHG Continuous charge/discharge current 3.9 A VOP > 6V
TA = 25°C
TOPR Operatingtemperature 0 to +70 °C Commercial
TSTR Storage temperature -55 to +125 °C  



Description

The bq2158 provides a complete solution for the supervision of three or four series Li-Ion cells. Designed for battery pack integration, the bq2158 incorporates a bq2058 Pack Supervisor, two FETs, and all other components required to monitor overvoltage, undervoltage, and overcurrent conditions. The board provides direct connections for the negative and positive terminals of each cell. See Figure 1. Please refer to the bq2058 data sheet for specific information on the operation of the bq2058.


Unitrode configures the bq2158 based on the informa-tioninTable1.




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