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Name: BQ40Z50RSMR-R2
Brand: Texas Instruments
SKU: BQ40Z50RSMR-R2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments BQ40Z50RSMR-R2

Part No.:: BQ40Z50RSMR-R2

Manufacturer:: Texas Instruments

Package:: 32-VFQFN Exposed Pad

Datasheet:: BQ40Z50RSMR-R2.pdf

Description:: IC BATT MFUNC LI-ION 1-4C 32VQFN

In Stock:: 2646

Quantity:: Add To Cart

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BQ40Z50RSMR-R2 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Impedance Track™
ProductStatus:
Active
Function:
Multi-Function Controller
BatteryChemistry:
Lithium Ion/Polymer
NumberofCells:
1 ~ 4
FaultProtection:
Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface:
SMBus
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

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BQ40Z50RSMR-R2 information

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BQ40Z50RSMR-R2 Typical application Circuitry

BQ40Z50RSMR-R2

The BQ40Z50RSMR-R2 is a sophisticated battery management system (BMS) integrated circuit (IC) from Texas Instruments, designed for accurate monitoring and protection of multi-cell lithium-ion battery packs. It is equipped with advanced features like precise fuel gauging, battery protection mechanisms, data logging, and communication via I2C and SMBus interfaces. This makes it particularly suitable for applications such as electric vehicles, portable power tools, large-scale energy storage systems, and other devices where effective battery management is critical.

BQ40Z50RSMR-R2: Functional Overview and Application Scenarios

Typical Applications

- Electric Vehicles: Manages the battery pack to ensure efficiency and safety.

- Portable Power Tools: Monitors battery status to optimize performance and lifespan.

- Energy Storage Systems: Utilized in renewable energy systems for accurate battery management.

- Large Portable Electronics: Ensures reliable power management in devices like laptops and portable medical equipment.

Key Specifications

- Multi-Cell Battery Management: Optimized for lithium-ion and lithium-polymer batteries in multi-cell configurations.

- Accurate Fuel Gauging: Provides precise measurements of state-of-charge (SOC), voltage, current, and temperature.

- Integrated Safety Features: Includes overcharge, over-discharge, and short-circuit protection.

- Communication Capabilities: Supports I2C and SMBus for data communication.

Circuit Integration: BQ40Z50RSMR-R2 in an Electric Vehicle Battery System

1. Battery Pack Connection

- BAT (Pin 1): Connect to the positive terminal of the electric vehicle's battery pack.

- PACK+ (Pin 2): Connect to the positive terminal for pack voltage sensing.

2. Grounding and Communication Interface

- GND (Pin 3): Connect to the battery pack's ground for reference.

- SMBCLK (Pin 4): SMBus clock line, connect to the vehicle's control unit for communication.

3. Data and Control Interface

- SMBDAT (Pin 5): SMBus data line, used for exchanging data with the control unit.

- HDQ (Pin 6): High-Speed Data Line for alternative communication protocol.

4. Additional Features and Monitoring

- TS1/TS2 (Pins 7 and 8): Connect to thermistors for accurate temperature monitoring of the battery.

- SR (Pin 9): System Reset pin, can be connected to a microcontroller or control unit for reset functionality.

Design Considerations

- Battery Chemistry and Configuration: Ensure compatibility with the specific type and arrangement of the lithium-ion cells in the pack.

- Communication Protocols: Implement I2C or SMBus communication protocols effectively for data exchange and control.

- Safety Mechanisms: Utilize the IC's protection features to prevent battery overcharge, over-discharge, and overheating.

- Thermal Monitoring: Accurately integrate temperature sensors for effective battery temperature monitoring.

- PCB Layout and EMI: Design the PCB to handle high currents and minimize electromagnetic interference, especially around communication lines.

- System Integration: Ensure the BMS integrates seamlessly with the electric vehicle's overall battery management system.

- Data Logging and Analysis: Use the data logging feature for ongoing battery performance analysis and diagnostics.

- Component Selection and Reliability: Choose high-quality components to ensure system reliability and longevity under varying operating conditions.

Incorporating the BQ40Z50RSMR-R2 into an electric vehicle battery system requires careful consideration of these factors to achieve reliable battery management and to ensure the safety and efficiency of the vehicle. For comprehensive specifications, including pin layout and electrical parameters, refer to the BQ40Z50RSMR-R2's datasheet and technical documentation.

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6. What is the process for return or replacement of BQ40Z50RSMR-R2?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BQ40Z50RSMR-R2.

(3)The PartNo is unused and only in the original unpacked packaging.

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