BQ4050RSMR Power Path Management IC Battery Management 1S - 4S CEDV GG with LED Support
battery charge management ic
,power management integrated circuit
BQ4050RSMR Power Path Management IC Battery Management 1S - 4S CEDV GG with LED Support
1 Features
- High-Side Protection N-CH FET Drive Enables Serial Bus Communication During Fault Conditions
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Cell Balancing with Internal Bypass Optimizes Battery Health
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Diagnostic Lifetime Data Monitor and Black Box Recorder for Failure Analysis
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Full Array of Programmable Protection Features: Voltage, Current, Temperature
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JEITA Charge Algorithms Support Smart Charging
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Analog Front End with Two Independent ADCs
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– Simultaneous Current and Voltage Sampling
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– High-Accuracy Coulomb Counter with Input
Offset Error < 1 μV (Typical)
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Supports Battery Trip Point (BTP) Function for
Windows® Integration
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LED Display for State of Charge and Battery Status Indication
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100-KHz SMBus v1.1 Communications Interface for Programming and Data Access with Alternate 400-KHz Mode
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SHA-1 Authentication Responder for Increased Battery Pack Security
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Compact 32-Pin VQFN Package (RSM)
2 Applications
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Notebooks
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Medical and Test Equipment
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Portable Instrumentation
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Cordless Vacuum Cleaners and Vacuum Robots
3 Description
The Texas Instruments bq4050 device, incorporating Compensated End-of-Discharge Voltage (CEDV) technology, is a highly integrated, accurate, 1-series to 4-series cell gas gauge and protection solution, enabling autonomous charger control and cell balancing.
The bq4050 device provides a fully integrated pack- based solution with a flash programmable custom reduced instruction-set CPU (RISC), safety protection, and authentication for Li-Ion and Li- Polymer battery packs.
The bq4050 gas gauge communicates via an SMBus- compatible interface and combines an ultra-low power, high-speed TI bqBMP processor, high- accuracy analog measurement capabilities, integrated flash memory, an array of peripheral and communication ports, an N-CH FET drive, and a SHA-1 Authentication transform responder into a complete, high-performance battery management solution.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
bq4050 |
VQFN (32) |
4.00 mm × 4.00 mm |
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