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Name: LTC6811HG-1#3ZZTRPBF
Brand: Analog Devices Inc.
SKU: LTC6811HG-1#3ZZTRPBF
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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Analog Devices Inc. LTC6811HG-1#3ZZTRPBF

Part No.:: LTC6811HG-1#3ZZTRPBF

Manufacturer:: Analog Devices Inc.

Package:: 48-FSOP (0.209, 5.30mm Width)

Datasheet:: LTC6811HG-1#3ZZTRPBF.pdf

Description:: IC BATT MON MULTI 1-12C 48SSOP

In Stock:: 2266

Quantity:: Add To Cart

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LTC6811HG-1#3ZZTRPBF Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive
ProductStatus:
Active
Function:
Battery Monitor
BatteryChemistry:
Multi-Chemistry
NumberofCells:
1 ~ 12
FaultProtection:
Over Temperature
Interface:
SPI
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

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LTC6811HG-1#3ZZTRPBF information

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LTC6811HG-1#3ZZTRPBF Typical application Circuitry

LTC6811HG-1 3ZZTRPBF

LTC6811HG-1#3ZZTRPBF is a multi-cell battery monitor and balancer chip. It is intended to keep track of and balance the voltage levels of the various battery pack cell types.

Application Scenarios: LTC6811HG-1#3ZZTRPBF is commonly used in applications where accurate monitoring and balancing of multi-cell battery packs are required. It finds applications in electric vehicles, energy storage systems, and industrial equipment where battery packs with multiple series-connected cells are used.

Main Parameters: LTC6811HG-1#3ZZTRPBF features a high-precision analog-to-digital converter (ADC) with selectable resolution and sampling rate, allowing it to accurately measure the voltage levels of each cell in a battery pack. It supports battery packs with up to 12 series-connected cells and provides comprehensive cell monitoring and balancing capabilities. The chip also offers various diagnostic features such as open-wire detection and overvoltage/undervoltage detection.

Circuit Connection:

Let's consider an example circuit for a 12-cell lithium-ion battery pack using LTC6811HG-1#3ZZTRPBF:

1. Cell Connection: Connect the positive terminal of each cell in the battery pack to the corresponding Cell+ (Pin 1 to Pin 12) pins of LTC6811HG-1#3ZZTRPBF. Connect the negative terminal of each cell to the common ground or the Cell- (Pin 13) pin of the chip.

2. Balancing Connection: Connect the balancing resistors (R1 to R12) between the Cell+ and Cell- pins of LTC6811HG-1#3ZZTRPBF. These resistors allow the chip to balance the voltage levels of individual cells by discharging excess charge from higher voltage cells. The value of each balancing resistor can be chosen based on the desired balancing current and the voltage difference between cells.

3. System Connection: Connect the LTC6811HG-1#3ZZTRPBF to the system microcontroller or host processor using the appropriate communication interface (e.g., SPI or I2C). Refer to the datasheet for the specific pin connections required for communication.

4. Power Supply Connection: Connect the V+ (Pin 14) and GND (Pin 15) pins of LTC6811HG-1#3ZZTRPBF to the power supply voltage and ground, respectively. Ensure that the power supply voltage is within the specified operating range mentioned in the datasheet.

Design Considerations:

When designing a circuit with LTC6811HG-1#3ZZTRPBF considerhe ollowing:

1. Balancing Current: Determine the desired balancing current based on the battery pack's capacity and balancing requirements. Select appropriate balancing resistors to achieve the desired balancing current. Take into account the power dissipation capabilities of the balancing resistors and ensure they can handle the required power.

2. ADC Configuration: Configure the ADC resolution and sampling rate of LTC6811HG-1#3ZZTRPBF based on the desired measurement accuracy and system requirements. Higher resolution and sampling rates result in more accurate measurements but may require more processing power and increased communication bandwidth.

3. Communication Interface: Choose the appropriate communication interface (SPI or I2C) and ensure proper communication between LTC6811HG-1#3ZZTRPBF and the system microcontroller or host processor. Pay attention to the timing requirements, data format, and addressing scheme of the chosen interface.

4. PCB Layout and Noise Mitigation: Pay attention to the PCB layout to minimize noise and ensure accurate measurements. Proper grounding techniques, isolation of sensitive analog traces, and decoupling capacitors are essential for reliable performance.

In summary, LTC6811HG-1#3ZZTRPBF is a multi-cell battery monitor and balancer chip used in applications requiring precise monitoring and balancing of multi-cell battery packs. When designing a circuit with LTC6811HG-1#3ZZTRPBF, considerations should be given to balancing current, ADC configuration, communication interface, PCB layout, and noise mitigation for accurate and reliable battery monitoring and balancing.

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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 LTC6811HG-1#3ZZTRPBF.

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