LTC3300IUK-1#PBF Battery Cell Balancers by Analog Devices

Battery Cell Balancers
Status: Production
Series: LTC3300-1
RoHS: Compliant
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The LTC3300-1 is a fault-protected controller IC for transformer-based bidirectional active balancing of multicell battery stacks. All associated gate drive circuitry, precision current sensing, fault detection circuitry and a robust serial interface with built-in watchdog timer are integrated.Each LTC3300-1 can balance up to 6 series-connected battery cells with an input common mode voltage up to 36V. Charge from any selected cell can be transferred at high efficiency to or from 12 or more adjacent cells. A unique level-shifting SPI-compatible serial interface enables multiple LTC3300-1 devices to be connected in series, without opto-couplers or isolators, allowing for balancing of every cell in a long string of series-connected batteries.When multiple LTC3300-1 devices are connected in series they can operate simultaneously, permitting all cells in the stack to be balanced concurrently and independently. Fault protection features include readback capability, cyclic redundancy check (CRC) error detection, maximum on-time volt-second clamps, and overvoltage shutoffs. Features LTC3300-1 SPI-compatible serial interface in which each chip in the stack communicates bidirectionally to the chips of the same type above and below it via currents. There is no limit to the stack height. Large common mode voltage differences are handled by each LTC3300-1. The microprocessor in the BMS system communicates ONLY with the bottom chip in the stack and subsequently all of the chips use the same fixed internal address. LTC3300-2 SPI-compatible serial interface in which each chip has a unique 5-bit pin-strapped address. The microprocessor in the BMS system communicates directly with every chip in the stack with common mode voltage differences handled by digital isolators or opto-couplers. Because of the 5-bit address, the stack height is limited to 32 LTC3300-2 ICs or 192 cells (~800V). There are 5 pins which have a different assignment, all of them serial interface related.

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Features

Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series
Up to 10A Balancing Current (Set by Externals)
Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors
Bidirectional Architecture Minimizes Balancing Time and Power Dissipation
Up to 92% Charge Transfer Efficiency
Stackable Architecture Enables >1000V Systems
Uses Simple 2-Winding Transformers
1MHz Daisy-Chainable Serial Interface with 4-Bit CRC Packet Error Checking
High Noise Margin Serial Communication
Numerous Fault Protection Features
48-Lead Exposed Pad QFN and LQFP Packages
AEC-Q100 Qualified for Automotive Applications

Last 6 months Inventory & Pricing History

Alternative Descriptions

Hi Eff Bi-dir Multicell Bat Ba | Analog Devices

LTC3300IUK-1#PBF Semiconductors - ICs by Linear Technology

BATT BALANCER 6 LI-ION/LIFEPO4 48QFN

Electronic & Electrical Components>Semiconductors - ICs>Battery Management
Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Battery Type LiFePO4 Li-Ion
IC Interface Type Serial
No. of Batteries 6
Supply Voltage Min -
Supply Voltage Max 36V
Battery IC Case Style QFN
No. of Pins 48Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Frequently Asked Questions

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What category does LTC3300IUK-1#PBF fall under?

The LTC3300IUK-1#PBF is listed under Battery Cell Balancers.

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Is the LTC3300IUK-1#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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